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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2016 Hercules Dev Team
*
* Hercules is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LOGIN_LCLIF_P_H
#define LOGIN_LCLIF_P_H
/** @file
* Private header for the login client interface.
*/
#include "login/lclif.h"
#include "common/hercules.h"
#include "common/mmo.h"
/* Definitions and macros */
/// Maximum amount of packets processed at once from the same client
#define MAX_PROCESSED_PACKETS (3)
// Packet DB
#define MIN_PACKET_DB 0x0064
#define MAX_PACKET_DB 0x08ff
/* Enums */
/// Packet IDs
enum login_packet_id {
// CA (Client to Login)
PACKET_ID_CA_LOGIN = 0x0064,
PACKET_ID_CA_LOGIN2 = 0x01dd,
PACKET_ID_CA_LOGIN3 = 0x01fa,
PACKET_ID_CA_CONNECT_INFO_CHANGED = 0x0200,
PACKET_ID_CA_EXE_HASHCHECK = 0x0204,
PACKET_ID_CA_LOGIN_PCBANG = 0x0277,
PACKET_ID_CA_LOGIN4 = 0x027c,
PACKET_ID_CA_LOGIN_HAN = 0x02b0,
PACKET_ID_CA_SSO_LOGIN_REQ = 0x0825,
PACKET_ID_CA_REQ_HASH = 0x01db,
PACKET_ID_CA_CHARSERVERCONNECT = 0x2710, // Custom Hercules Packet
//PACKET_ID_CA_SSO_LOGIN_REQa = 0x825a, /* unused */
// AC (Login to Client)
PACKET_ID_AC_ACCEPT_LOGIN = 0x0069,
PACKET_ID_AC_REFUSE_LOGIN = 0x006a,
PACKET_ID_SC_NOTIFY_BAN = 0x0081,
PACKET_ID_AC_ACK_HASH = 0x01dc,
PACKET_ID_AC_REFUSE_LOGIN_R2 = 0x083e,
};
/* Packets Structs */
#if !defined(sun) && (!defined(__NETBSD__) || __NetBSD_Version__ >= 600000000) // NetBSD 5 and Solaris don't like pragma pack but accept the packed attribute
#pragma pack(push, 1)
#endif // not NetBSD < 6 / Solaris
/**
* Packet structure for CA_LOGIN.
*/
struct packet_CA_LOGIN {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_LOGIN)
uint32 version; ///< Client Version
char id[24]; ///< Username
char password[24]; ///< Password
uint8 clienttype; ///< Client Type
} __attribute__((packed));
/**
* Packet structure for CA_LOGIN2.
*/
struct packet_CA_LOGIN2 {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_LOGIN2)
uint32 version; ///< Client Version
char id[24]; ///< Username
uint8 password_md5[16]; ///< Password hash
uint8 clienttype; ///< Client Type
} __attribute__((packed));
/**
* Packet structure for CA_LOGIN3.
*/
struct packet_CA_LOGIN3 {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_LOGIN3)
uint32 version; ///< Client Version
char id[24]; ///< Username
uint8 password_md5[16]; ///< Password hash
uint8 clienttype; ///< Client Type
uint8 clientinfo; ///< Index of the connection in the clientinfo file (+10 if the command-line contains "pc")
} __attribute__((packed));
/**
* Packet structure for CA_LOGIN4.
*/
struct packet_CA_LOGIN4 {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_LOGIN4)
uint32 version; ///< Client Version
char id[24]; ///< Username
uint8 password_md5[16]; ///< Password hash
uint8 clienttype; ///< Client Type
char mac_address[13]; ///< MAC Address
} __attribute__((packed));
/**
* Packet structure for CA_LOGIN_PCBANG.
*/
struct packet_CA_LOGIN_PCBANG {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_LOGIN_PCBANG)
uint32 version; ///< Client Version
char id[24]; ///< Username
char password[24]; ///< Password
uint8 clienttype; ///< Client Type
char ip[16]; ///< IP Address
char mac_address[13]; ///< MAC Address
} __attribute__((packed));
/**
* Packet structure for CA_LOGIN_HAN.
*/
struct packet_CA_LOGIN_HAN {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_LOGIN_HAN)
uint32 version; ///< Client Version
char id[24]; ///< Username
char password[24]; ///< Password
uint8 clienttype; ///< Client Type
char ip[16]; ///< IP Address
char mac_address[13]; ///< MAC Address
uint8 is_han_game_user; ///< 'isGravityID'
} __attribute__((packed));
/**
* Packet structure for CA_SSO_LOGIN_REQ.
*
* Variable-length packet.
*/
struct packet_CA_SSO_LOGIN_REQ {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_SSO_LOGIN_REQ)
int16 packet_len; ///< Length (variable length)
uint32 version; ///< Clientver
uint8 clienttype; ///< Clienttype
char id[24]; ///< Username
char password[27]; ///< Password
int8 mac_address[17]; ///< MAC Address
char ip[15]; ///< IP Address
char t1[]; ///< SSO Login Token (variable length)
} __attribute__((packed));
#if 0 // Unused
struct packet_CA_SSO_LOGIN_REQa {
int16 packet_id;
int16 packet_len;
uint32 version;
uint8 clienttype;
char id[24];
int8 mac_address[17];
char ip[15];
char t1[];
} __attribute__((packed));
#endif // unused
/**
* Packet structure for CA_CONNECT_INFO_CHANGED.
*
* New alive packet. Used to verify if client is always alive.
*/
struct packet_CA_CONNECT_INFO_CHANGED {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_CONNECT_INFO_CHANGED)
char id[24]; ///< account.userid
} __attribute__((packed));
/**
* Packet structure for CA_EXE_HASHCHECK.
*
* (kRO 2004-05-31aSakexe langtype 0 and 6)
*/
struct packet_CA_EXE_HASHCHECK {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_EXE_HASHCHECK)
uint8 hash_value[16]; ///< Client MD5 hash
} __attribute__((packed));
/**
* Packet structure for CA_REQ_HASH.
*/
struct packet_CA_REQ_HASH {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_REQ_HASH)
} __attribute__((packed));
/**
* Packet structure for CA_CHARSERVERCONNECT.
*
* This packet is used internally, to signal a char-server connection.
*/
struct packet_CA_CHARSERVERCONNECT {
int16 packet_id; ///< Packet ID (#PACKET_ID_CA_CHARSERVERCONNECT)
char userid[24]; ///< Username
char password[24]; ///< Password
int32 unknown;
int32 ip; ///< Charserver IP
int16 port; ///< Charserver port
char name[20]; ///< Charserver name
int16 unknown2;
int16 type; ///< Charserver type
int16 new; ///< Whether charserver is to be marked as new
} __attribute__((packed));
/**
* Packet structure for SC_NOTIFY_BAN.
*/
struct packet_SC_NOTIFY_BAN {
int16 packet_id; ///< Packet ID (#PACKET_ID_SC_NOTIFY_BAN)
uint8 error_code; ///< Error code
} __attribute__((packed));
/**
* Packet structure for AC_REFUSE_LOGIN.
*/
struct packet_AC_REFUSE_LOGIN {
int16 packet_id; ///< Packet ID (#PACKET_ID_AC_REFUSE_LOGIN)
uint8 error_code; ///< Error code
char block_date[20]; ///< Ban expiration date
} __attribute__((packed));
/**
* Packet structure for AC_REFUSE_LOGIN_R2.
*/
struct packet_AC_REFUSE_LOGIN_R2 {
int16 packet_id; ///< Packet ID (#PACKET_ID_AC_REFUSE_LOGIN_R2)
uint32 error_code; ///< Error code
char block_date[20]; ///< Ban expiration date
} __attribute__((packed));
/**
* Packet structure for AC_ACCEPT_LOGIN.
*
* Variable-length packet.
*/
struct packet_AC_ACCEPT_LOGIN {
int16 packet_id; ///< Packet ID (#PACKET_ID_AC_ACCEPT_LOGIN)
int16 packet_len; ///< Packet length (variable length)
int32 auth_code; ///< Authentication code
uint32 aid; ///< Account ID
uint32 user_level; ///< User level
uint32 last_login_ip; ///< Last login IP
char last_login_time[26]; ///< Last login timestamp
uint8 sex; ///< Account sex
struct {
uint32 ip; ///< Server IP address
int16 port; ///< Server port
char name[20]; ///< Server name
uint16 usercount; ///< Online users
uint16 state; ///< Server state
uint16 property; ///< Server property
} server_list[]; ///< List of charservers
} __attribute__((packed));
/**
* Packet structure for AC_ACK_HASH.
*
* Variable-length packet
*/
struct packet_AC_ACK_HASH {
int16 packet_id; ///< Packet ID (#PACKET_ID_AC_ACK_HASH)
int16 packet_len; ///< Packet length (variable length)
uint8 secret[]; ///< Challenge string
} __attribute__((packed));
#if !defined(sun) && (!defined(__NETBSD__) || __NetBSD_Version__ >= 600000000) // NetBSD 5 and Solaris don't like pragma pack but accept the packed attribute
#pragma pack(pop)
#endif // not NetBSD < 6 / Solaris
/**
* Login Client Interface additional data
*/
struct lclif_interface_dbs {
struct login_packet_db packet_db[MAX_PACKET_DB + 1]; ///< Packet database.
};
/**
* Login Client Interface Private Interface
*/
struct lclif_interface_private {
struct lclif_interface_dbs *dbs;
/**
* Populates the packet database.
*/
void (*packetdb_loaddb)(void);
/**
* Attempts to validate and parse a received packet.
*
* @param fd Client connection file descriptor.
* @param sd Session data.
* @return Parse result error code.
*/
enum parsefunc_rcode (*parse_sub)(int fd, struct login_session_data *sd);
LoginParseFunc *parse_CA_CONNECT_INFO_CHANGED; ///< Packet handler for #packet_CA_CONNECT_INFO_CHANGED.
LoginParseFunc *parse_CA_EXE_HASHCHECK; ///< Packet handler for #packet_CA_EXE_HASHCHECK.
LoginParseFunc *parse_CA_LOGIN; ///< Packet handler for #packet_CA_LOGIN.
LoginParseFunc *parse_CA_LOGIN2; ///< Packet handler for #packet_CA_LOGIN2.
LoginParseFunc *parse_CA_LOGIN3; ///< Packet handler for #packet_CA_LOGIN3.
LoginParseFunc *parse_CA_LOGIN4; ///< Packet handler for #packet_CA_LOGIN4.
LoginParseFunc *parse_CA_LOGIN_PCBANG; ///< Packet handler for #packet_CA_LOGIN_PCBANG.
LoginParseFunc *parse_CA_LOGIN_HAN; ///< Packet handler for #packet_CA_LOGIN_HAN.
LoginParseFunc *parse_CA_SSO_LOGIN_REQ; ///< Packet handler for #packet_CA_SSO_LOGIN_REQ.
LoginParseFunc *parse_CA_REQ_HASH; ///< Packet handler for #packet_CA_REQ_HASH.
LoginParseFunc *parse_CA_CHARSERVERCONNECT; ///< Packet handler for #packet_CA_CHARSERVERCONNECT.
};
#endif // LOGIN_LCLIF_P_H
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