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login: validate characters

This commit is contained in:
CPunch 2023-03-09 14:41:38 -06:00
parent 8569225ec7
commit 6df016b421
2 changed files with 33 additions and 3 deletions
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33
server/login.go
View File

@ -148,16 +148,49 @@ func (server *LoginServer) SaveCharacterName(client *Client, pkt *protocol.Packe
}, protocol.P_LS2CL_REP_SAVE_CHAR_NAME_SUCC)
}
func validateCharacterCreation(character *protocol.SP_CL2LS_REQ_CHAR_CREATE) bool {
// thanks openfusion!
// all the values have been determined from analyzing client code and xdt
// and double checked using cheat engine
// check base parameters
style := &character.PCStyle
if !(style.IBody >= 0 && style.IBody <= 2 &&
style.IEyeColor >= 1 && style.IEyeColor <= 5 &&
style.IGender >= 1 && style.IGender <= 2 &&
style.IHairColor >= 1 && style.IHairColor <= 18) &&
style.IHeight >= 0 && style.IHeight <= 4 &&
style.INameCheck >= 0 && style.INameCheck <= 2 &&
style.ISkinColor >= 1 && style.ISkinColor <= 12 {
return false
}
// facestyle and hairstyle are gender dependent
if !(style.IGender == 1 && style.IFaceStyle >= 1 && style.IFaceStyle <= 5 && style.IHairStyle >= 1 && style.IHairStyle <= 23) &&
!(style.IGender == 2 && style.IFaceStyle >= 6 && style.IFaceStyle <= 10 && style.IHairStyle >= 25 && style.IHairStyle <= 45) {
return false
}
return true
}
func (server *LoginServer) CharacterCreate(client *Client, pkt *protocol.Packet) {
var charPkt protocol.SP_CL2LS_REQ_CHAR_CREATE
pkt.Decode(&charPkt)
if !validateCharacterCreation(&charPkt) {
client.Send(&protocol.SP_LS2CL_REP_SHARD_SELECT_FAIL{IErrorCode: 2}, protocol.P_LS2CL_REP_SHARD_SELECT_FAIL)
panic(fmt.Errorf("invalid SP_CL2LS_REQ_CHAR_CREATE!"))
}
if err := db.DefaultDB.FinishPlayer(&charPkt, client.AccountID); err != nil {
client.Send(&protocol.SP_LS2CL_REP_SHARD_SELECT_FAIL{IErrorCode: 2}, protocol.P_LS2CL_REP_SHARD_SELECT_FAIL)
panic(err)
}
plr, err := db.DefaultDB.GetPlayer(int(charPkt.PCStyle.IPC_UID))
if err != nil {
client.Send(&protocol.SP_LS2CL_REP_SHARD_SELECT_FAIL{IErrorCode: 2}, protocol.P_LS2CL_REP_SHARD_SELECT_FAIL)
panic(err)
}

3
server/loginserver.go
View File

@ -1,7 +1,6 @@
package server
import (
"fmt"
"log"
"net"
"sync"
@ -67,13 +66,11 @@ func (server *LoginServer) HandlePacket(client *Client, typeID uint32, pkt *prot
func (server *LoginServer) Disconnect(client *Client) {
server.lock.Lock()
delete(server.clients, client)
fmt.Printf("Client %p disconnected\n", client)
server.lock.Unlock()
}
func (server *LoginServer) Connect(client *Client) {
server.lock.Lock()
server.clients[client] = true
fmt.Printf("Client %p connected\n", client)
server.lock.Unlock()
}