implement fixes and move login handlers to packet defs
This commit is contained in:
parent
ca2ef3a613
commit
f6334b97c9
@ -151,7 +151,7 @@ func (lc *LoginClient) handleLoginRequest(packet *udp.ApplicationPacket) {
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// Update account info
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account.LastLogin = time.Now()
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account.IPAddress = lc.connection.GetStats().State.String() // Get IP from connection
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account.IPAddress = lc.connection.GetClientAddr().IP.String()
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account.ClientVersion = lc.version
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lc.server.database.UpdateAccountLogin(account)
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@ -78,7 +78,7 @@ func (d *Database) AuthenticateAccount(username, password string) (*Account, err
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var account Account
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var passwordHash string
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var createdDate, lastLogin string
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var lastLogin string
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var clientVersion int64
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account.ID = int32(stmt.ColumnInt64(0))
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@ -86,7 +86,7 @@ func (d *Database) AuthenticateAccount(username, password string) (*Account, err
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passwordHash = stmt.ColumnText(2)
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account.LSAdmin = stmt.ColumnInt(3) != 0
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account.WorldAdmin = stmt.ColumnInt(4) != 0
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createdDate = stmt.ColumnText(5)
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// Skip created_date at index 5 - not needed for authentication
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lastLogin = stmt.ColumnText(6)
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clientVersion = stmt.ColumnInt64(7)
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@ -170,7 +170,7 @@ func (d *Database) LoadCharacters(accountID int32, version uint16) ([]*Character
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characters = append(characters, char)
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}
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return characters, stmt.Err()
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return characters, nil
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}
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// CharacterNameExists checks if a character name is already taken
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@ -242,7 +242,8 @@ func (d *Database) DeleteCharacter(charID, accountID int32) error {
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// Check if any rows were affected
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stmt, _ := d.conn.Prepare("SELECT changes()")
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defer stmt.Finalize()
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if stmt.Step() && stmt.ColumnInt(0) == 0 {
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hasRow, _ := stmt.Step()
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if hasRow && stmt.ColumnInt(0) == 0 {
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return fmt.Errorf("character not found or not owned by account")
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}
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@ -294,12 +295,12 @@ func (d *Database) GetWorldServers() ([]*WorldServer, error) {
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}
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server.Online = server.Status == "online"
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server.PopulationLevel = d.calculatePopulationLevel(server.Population)
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server.PopulationLevel = calculatePopulationLevel(server.Population)
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servers = append(servers, server)
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}
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return servers, stmt.Err()
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return servers, nil
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}
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// UpdateWorldServerStats updates world server statistics
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@ -393,3 +394,17 @@ func (d *Database) GetAccountBonus(accountID int32) uint8 {
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return bonus
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}
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// calculatePopulationLevel converts population to display level
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func calculatePopulationLevel(population int32) uint8 {
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switch {
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case population >= 1000:
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return 3 // Full
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case population >= 500:
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return 2 // High
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case population >= 100:
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return 1 // Medium
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default:
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return 0 // Low
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}
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}
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@ -3,6 +3,7 @@ package main
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import (
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"encoding/binary"
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"eq2emu/internal/common/opcodes"
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"eq2emu/internal/packets"
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"eq2emu/internal/udp"
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"fmt"
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"log"
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@ -16,61 +17,57 @@ type LoginRequest struct {
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Version uint16
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}
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// opcodeToPacketName maps opcodes to packet definition names
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var opcodeToPacketName = map[uint16]string{
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opcodes.OpLoginRequestMsg: "LS_LoginRequest",
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opcodes.OpAllWSDescRequestMsg: "LS_WorldListRequest",
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opcodes.OpAllCharactersDescRequestMsg: "LS_CharacterListRequest",
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opcodes.OpCreateCharacterRequestMsg: "LS_CreateCharacterRequest",
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opcodes.OpDeleteCharacterRequestMsg: "LS_DeleteCharacterRequest",
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opcodes.OpPlayCharacterRequestMsg: "LS_PlayCharacterRequest",
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}
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// parsePacketWithDefinition parses packet using definitions or fails
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func (lc *LoginClient) parsePacketWithDefinition(opcode uint16, data []byte) (map[string]any, error) {
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packetName, exists := opcodeToPacketName[opcode]
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if !exists {
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return nil, fmt.Errorf("no packet name mapping for opcode 0x%04X", opcode)
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}
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packetDef, exists := packets.GetPacket(packetName)
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if !exists {
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return nil, fmt.Errorf("no packet definition found for %s", packetName)
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}
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// Use client version for parsing, default flags
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result, err := packetDef.Parse(data, uint32(lc.version), 0)
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if err != nil {
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return nil, fmt.Errorf("packet parsing failed for %s: %w", packetName, err)
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}
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return result, nil
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}
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// parseLoginRequest parses the login request packet data
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func (lc *LoginClient) parseLoginRequest(data []byte) (*LoginRequest, error) {
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if len(data) < 10 {
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return nil, fmt.Errorf("packet too small")
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parsed, err := lc.parsePacketWithDefinition(opcodes.OpLoginRequestMsg, data)
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if err != nil {
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return nil, err
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}
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offset := 0
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req := &LoginRequest{}
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// Skip access code (16-bit string)
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accessCodeLen := binary.LittleEndian.Uint16(data[offset:])
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offset += 2 + int(accessCodeLen)
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// Skip unknown1 (16-bit string)
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if offset+2 > len(data) {
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return nil, fmt.Errorf("invalid packet format")
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if username, ok := parsed["username"].(string); ok {
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req.Username = username
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}
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unknown1Len := binary.LittleEndian.Uint16(data[offset:])
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offset += 2 + int(unknown1Len)
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// Parse username
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if offset+2 > len(data) {
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return nil, fmt.Errorf("invalid packet format")
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if password, ok := parsed["password"].(string); ok {
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req.Password = password
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}
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usernameLen := binary.LittleEndian.Uint16(data[offset:])
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offset += 2
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if offset+int(usernameLen) > len(data) {
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return nil, fmt.Errorf("invalid username length")
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}
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username := string(data[offset : offset+int(usernameLen)])
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offset += int(usernameLen)
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// Parse password
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if offset+2 > len(data) {
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return nil, fmt.Errorf("invalid packet format")
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}
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passwordLen := binary.LittleEndian.Uint16(data[offset:])
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offset += 2
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if offset+int(passwordLen) > len(data) {
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return nil, fmt.Errorf("invalid password length")
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}
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password := string(data[offset : offset+int(passwordLen)])
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offset += int(passwordLen)
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// Skip unknown fields and get version
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version := uint16(0)
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if offset+18 <= len(data) { // Skip 4 unknown strings + version
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// Simple parsing - in real implementation, parse all unknown fields properly
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version = binary.LittleEndian.Uint16(data[len(data)-10:])
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if version, ok := parsed["version"].(uint16); ok {
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req.Version = version
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}
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return &LoginRequest{
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Username: username,
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Password: password,
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Version: version,
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}, nil
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return req, nil
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}
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// sendLoginDenied sends login failure response
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@ -296,16 +293,24 @@ func (lc *LoginClient) handleCharacterCreateRequest(packet *udp.ApplicationPacke
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return
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}
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// Parse character creation data (simplified)
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if len(packet.Data) < 20 {
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lc.sendCharacterCreateFailed(1) // Generic error
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parsed, err := lc.parsePacketWithDefinition(opcodes.OpCreateCharacterRequestMsg, packet.Data)
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if err != nil {
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log.Printf("Failed to parse character create request: %v", err)
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lc.sendCharacterCreateFailed(1)
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return
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}
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// Extract basic info (this would need full parsing in real implementation)
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serverID := binary.LittleEndian.Uint32(packet.Data[0:4])
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nameLen := binary.LittleEndian.Uint16(packet.Data[4:6])
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name := string(packet.Data[6 : 6+nameLen])
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serverID, ok := parsed["server_id"].(uint32)
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if !ok {
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lc.sendCharacterCreateFailed(1)
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return
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}
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name, ok := parsed["character_name"].(string)
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if !ok {
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lc.sendCharacterCreateFailed(1)
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return
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}
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// Validate character name
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if len(name) < 3 || len(name) > 20 {
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@ -400,13 +405,21 @@ func (lc *LoginClient) handleCharacterDeleteRequest(packet *udp.ApplicationPacke
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return
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}
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// Parse deletion request (simplified)
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if len(packet.Data) < 12 {
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parsed, err := lc.parsePacketWithDefinition(opcodes.OpDeleteCharacterRequestMsg, packet.Data)
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if err != nil {
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log.Printf("Failed to parse character delete request: %v", err)
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return
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}
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charID := binary.LittleEndian.Uint32(packet.Data[0:4])
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serverID := binary.LittleEndian.Uint32(packet.Data[4:8])
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charID, ok := parsed["character_id"].(uint32)
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if !ok {
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return
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}
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serverID, ok := parsed["server_id"].(uint32)
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if !ok {
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return
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}
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// Verify character belongs to this account
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var char *Character
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@ -423,7 +436,7 @@ func (lc *LoginClient) handleCharacterDeleteRequest(packet *udp.ApplicationPacke
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}
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// Mark character as deleted
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err := lc.server.database.DeleteCharacter(int32(charID), lc.account.ID)
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err = lc.server.database.DeleteCharacter(int32(charID), lc.account.ID)
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if err != nil {
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log.Printf("Error deleting character: %v", err)
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return
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@ -438,11 +451,11 @@ func (lc *LoginClient) handleCharacterDeleteRequest(packet *udp.ApplicationPacke
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binary.LittleEndian.PutUint32(data[8:], charID)
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binary.LittleEndian.PutUint32(data[12:], uint32(lc.account.ID))
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packet = &udp.ApplicationPacket{
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responsePacket := &udp.ApplicationPacket{
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Opcode: opcodes.OpDeleteCharacterReplyMsg,
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Data: data,
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}
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lc.connection.SendPacket(packet)
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lc.connection.SendPacket(responsePacket)
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lc.sendCharacterList() // Refresh character list
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}
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@ -454,14 +467,24 @@ func (lc *LoginClient) handlePlayCharacterRequest(packet *udp.ApplicationPacket)
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return
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}
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// Parse play request
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if len(packet.Data) < 8 {
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parsed, err := lc.parsePacketWithDefinition(opcodes.OpPlayCharacterRequestMsg, packet.Data)
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if err != nil {
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log.Printf("Failed to parse play character request: %v", err)
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lc.sendPlayFailed(1)
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return
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}
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charID := binary.LittleEndian.Uint32(packet.Data[0:4])
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serverID := binary.LittleEndian.Uint32(packet.Data[4:8])
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charID, ok := parsed["character_id"].(uint32)
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if !ok {
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lc.sendPlayFailed(1)
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return
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}
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serverID, ok := parsed["server_id"].(uint32)
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if !ok {
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lc.sendPlayFailed(1)
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return
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}
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// Find world server
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world := lc.server.worldList.GetWorld(int32(serverID))
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@ -487,7 +510,7 @@ func (lc *LoginClient) handlePlayCharacterRequest(packet *udp.ApplicationPacket)
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lc.pendingPlayCharID = int32(charID)
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// Send play request to world server
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err := lc.server.worldList.SendPlayRequest(world, lc.account.ID, int32(charID))
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err = lc.server.worldList.SendPlayRequest(world, lc.account.ID, int32(charID))
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if err != nil {
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log.Printf("Error sending play request to world server: %v", err)
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lc.sendPlayFailed(1)
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@ -1,6 +1,7 @@
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package main
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import (
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"eq2emu/internal/packets"
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"eq2emu/internal/udp"
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"fmt"
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"log"
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@ -36,6 +37,9 @@ func NewLoginServer(config *Config) (*LoginServer, error) {
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ls.stats.StartTime = time.Now()
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// Initialize packet definitions
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log.Printf("Loaded %d packet definitions", packets.GetPacketCount())
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// Initialize database
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db, err := NewDatabase(config.Database)
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if err != nil {
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7
go.mod
7
go.mod
@ -2,18 +2,21 @@ module eq2emu
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go 1.24.5
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require (
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golang.org/x/crypto v0.40.0
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zombiezen.com/go/sqlite v1.4.2
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)
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require (
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github.com/dustin/go-humanize v1.0.1 // indirect
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github.com/google/uuid v1.6.0 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/ncruces/go-strftime v0.1.9 // indirect
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github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
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golang.org/x/crypto v0.40.0 // indirect
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golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect
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golang.org/x/sys v0.34.0 // indirect
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modernc.org/libc v1.65.7 // indirect
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modernc.org/mathutil v1.7.1 // indirect
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modernc.org/memory v1.11.0 // indirect
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modernc.org/sqlite v1.37.1 // indirect
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zombiezen.com/go/sqlite v1.4.2 // indirect
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)
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26
go.sum
26
go.sum
@ -1,5 +1,7 @@
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github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
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github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
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github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
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@ -12,16 +14,40 @@ golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
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golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
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golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 h1:R84qjqJb5nVJMxqWYb3np9L5ZsaDtB+a39EqjV0JSUM=
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golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0/go.mod h1:S9Xr4PYopiDyqSyp5NjCrhFrqg6A5zA2E/iPHPhqnS8=
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golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU=
|
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golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
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golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
|
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golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
|
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
|
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golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
|
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golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
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golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
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golang.org/x/tools v0.33.0 h1:4qz2S3zmRxbGIhDIAgjxvFutSvH5EfnsYrRBj0UI0bc=
|
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golang.org/x/tools v0.33.0/go.mod h1:CIJMaWEY88juyUfo7UbgPqbC8rU2OqfAV1h2Qp0oMYI=
|
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modernc.org/cc/v4 v4.26.1 h1:+X5NtzVBn0KgsBCBe+xkDC7twLb/jNVj9FPgiwSQO3s=
|
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modernc.org/cc/v4 v4.26.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
|
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modernc.org/ccgo/v4 v4.28.0 h1:rjznn6WWehKq7dG4JtLRKxb52Ecv8OUGah8+Z/SfpNU=
|
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modernc.org/ccgo/v4 v4.28.0/go.mod h1:JygV3+9AV6SmPhDasu4JgquwU81XAKLd3OKTUDNOiKE=
|
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modernc.org/fileutil v1.3.1 h1:8vq5fe7jdtEvoCf3Zf9Nm0Q05sH6kGx0Op2CPx1wTC8=
|
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modernc.org/fileutil v1.3.1/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
|
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modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
|
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modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
|
||||
modernc.org/libc v1.65.7 h1:Ia9Z4yzZtWNtUIuiPuQ7Qf7kxYrxP1/jeHZzG8bFu00=
|
||||
modernc.org/libc v1.65.7/go.mod h1:011EQibzzio/VX3ygj1qGFt5kMjP0lHb0qCW5/D/pQU=
|
||||
modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
|
||||
modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
|
||||
modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
|
||||
modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
|
||||
modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
|
||||
modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
|
||||
modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
|
||||
modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
|
||||
modernc.org/sqlite v1.37.1 h1:EgHJK/FPoqC+q2YBXg7fUmES37pCHFc97sI7zSayBEs=
|
||||
modernc.org/sqlite v1.37.1/go.mod h1:XwdRtsE1MpiBcL54+MbKcaDvcuej+IYSMfLN6gSKV8g=
|
||||
modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
|
||||
modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
|
||||
modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
|
||||
modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
|
||||
zombiezen.com/go/sqlite v1.4.2 h1:KZXLrBuJ7tKNEm+VJcApLMeQbhmAUOKA5VWS93DfFRo=
|
||||
zombiezen.com/go/sqlite v1.4.2/go.mod h1:5Kd4taTAD4MkBzT25mQ9uaAlLjyR0rFhsR6iINO70jc=
|
||||
|
||||
@ -551,3 +551,8 @@ func (c *Connection) IsTimedOut() bool {
|
||||
defer c.mutex.RUnlock()
|
||||
return time.Since(c.lastActivity) > c.config.Timeout
|
||||
}
|
||||
|
||||
// GetClientAddr returns the client's UDP address
|
||||
func (c *Connection) GetClientAddr() *net.UDPAddr {
|
||||
return c.addr
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user