67 | | #define SOCKET_CHECK_PACKET_SIZE(P,S) if((P).size() < (S)) return SizeError((P),(S)); |
68 | | |
69 | | /// WorldSocket construction and initialization. |
70 | | WorldSocket::WorldSocket(ISocketHandler &sh): TcpSocket(sh), _cmd(0), _remaining(0), _session(NULL) |
71 | | { |
72 | | _seed = static_cast<uint32>(rand32()); |
73 | | m_LastPingMSTime = 0; // first time it will counted as overspeed maybe, but this is not important |
74 | | m_OverSpeedPings = 0; |
75 | | |
76 | | if (sWorld.getConfig(CONFIG_TCP_NO_DELAY)) |
77 | | SetTcpNodelay(true); |
78 | | } |
79 | | |
80 | | /// WorldSocket destructor |
81 | | WorldSocket::~WorldSocket() |
82 | | { |
83 | | if(_session) |
84 | | _session->SetSocket(0); |
85 | | |
86 | | WorldPacket *packet; |
87 | | |
88 | | ///- Go through the to-be-sent queue and delete remaining packets |
89 | | while(!_sendQueue.empty()) |
90 | | { |
91 | | packet = _sendQueue.next(); |
92 | | delete packet; |
93 | | } |
94 | | } |
95 | | |
96 | | /// Copy the packet to the to-be-sent queue |
97 | | void WorldSocket::SendPacket(WorldPacket const* packet) |
98 | | { |
99 | | WorldPacket *pck = new WorldPacket(*packet); |
100 | | ASSERT(pck); |
101 | | _sendQueue.add(pck); |
102 | | } |
103 | | |
104 | | /// On client connection |
105 | | void WorldSocket::OnAccept() |
106 | | { |
107 | | ///- Add the current socket to the list of sockets to be managed (WorldSocketMgr) |
108 | | sWorldSocketMgr.AddSocket(this); |
109 | | Utility::ResolveLocal(); |
110 | | |
111 | | ///- Send a AUTH_CHALLENGE packet |
112 | | WorldPacket packet( SMSG_AUTH_CHALLENGE, 4 ); |
113 | | packet << _seed; |
114 | | |
115 | | SendPacket(&packet); |
116 | | } |
117 | | |
118 | | /// Read the client transmitted data |
119 | | void WorldSocket::OnRead() |
120 | | { |
121 | | TcpSocket::OnRead(); |
122 | | |
123 | | while(1) |
124 | | { |
125 | | ///- Read the packet header and decipher it (if needed) |
126 | | if (!_remaining) |
127 | | { |
128 | | if (ibuf.GetLength() < 6) |
129 | | break; |
130 | | |
131 | | ClientPktHeader hdr; |
132 | | |
133 | | ibuf.Read((char *)&hdr, 6); |
134 | | _crypt.DecryptRecv((uint8 *)&hdr, 6); |
135 | | |
136 | | _remaining = ntohs(hdr.size) - 4; |
137 | | _cmd = hdr.cmd; |
138 | | } |
139 | | |
140 | | if (ibuf.GetLength() < _remaining) |
141 | | break; |
142 | | |
143 | | ///- Read the remaining of the packet |
144 | | WorldPacket packet((uint16)_cmd, _remaining); |
145 | | |
146 | | packet.resize(_remaining); |
147 | | if(_remaining) ibuf.Read((char*)packet.contents(), _remaining); |
148 | | _remaining = 0; |
149 | | |
150 | | ///- If log of world packets is enable, log the incoming packet |
151 | | if( sWorldLog.LogWorld() ) |
152 | | { |
153 | | sWorldLog.Log("CLIENT:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n", |
154 | | (uint32)GetSocket(), |
155 | | packet.size(), |
156 | | LookupOpcodeName(packet.GetOpcode()), |
157 | | packet.GetOpcode()); |
158 | | |
159 | | uint32 p = 0; |
160 | | while (p < packet.size()) |
| 70 | // used when testing to alow login without password and encryption |
| 71 | // #define _NETCODE_FAKE_AUTH |
| 72 | |
| 73 | WorldSocket::WorldSocket (void) : |
| 74 | WorldHandler (), |
| 75 | m_Session (0), |
| 76 | m_RecvWPct (0), |
| 77 | m_RecvPct (), |
| 78 | m_Header (sizeof (ClientPktHeader)), |
| 79 | m_OutBuffer (0), |
| 80 | m_OutBufferSize (65536), |
| 81 | m_OutActive (false), |
| 82 | m_Seed (static_cast<uint32> (rand32 ())), |
| 83 | m_OverSpeedPings (0), |
| 84 | m_LastPingTime (ACE_Time_Value::zero) |
| 85 | { |
| 86 | this->reference_counting_policy ().value (ACE_Event_Handler::Reference_Counting_Policy::ENABLED); |
| 87 | } |
| 88 | |
| 89 | WorldSocket::~WorldSocket (void) |
| 90 | { |
| 91 | if (m_RecvWPct) |
| 92 | delete m_RecvWPct; |
| 93 | |
| 94 | if (m_OutBuffer) |
| 95 | m_OutBuffer->release (); |
| 96 | |
| 97 | this->closing_ = true; |
| 98 | |
| 99 | this->peer ().close (); |
| 100 | |
| 101 | WorldPacket* pct; |
| 102 | while (m_PacketQueue.dequeue_head (pct) == 0) |
| 103 | delete pct; |
| 104 | } |
| 105 | |
| 106 | bool |
| 107 | WorldSocket::IsClosed (void) const |
| 108 | { |
| 109 | return this->closing_; |
| 110 | } |
| 111 | |
| 112 | void |
| 113 | WorldSocket::CloseSocket (void) |
| 114 | { |
| 115 | { |
| 116 | ACE_GUARD (LockType, Guard, m_OutBufferLock); |
| 117 | |
| 118 | if (this->closing_) |
| 119 | return; |
| 120 | |
| 121 | this->closing_ = true; |
| 122 | |
| 123 | this->peer ().close_writer (); |
| 124 | } |
| 125 | |
| 126 | { |
| 127 | ACE_GUARD (LockType, Guard, m_SessionLock); |
| 128 | |
| 129 | m_Session = NULL; |
| 130 | } |
| 131 | |
| 132 | } |
| 133 | |
| 134 | const std::string& |
| 135 | WorldSocket::GetRemoteAddress (void) const |
| 136 | { |
| 137 | return m_Address; |
| 138 | } |
| 139 | |
| 140 | int |
| 141 | WorldSocket::SendPacket (const WorldPacket& pct) |
| 142 | { |
| 143 | ACE_GUARD_RETURN (LockType, Guard, m_OutBufferLock, -1); |
| 144 | |
| 145 | if (this->closing_) |
| 146 | return -1; |
| 147 | |
| 148 | // Dump outgoing packet. |
| 149 | if (sWorldLog.LogWorld ()) |
| 150 | { |
| 151 | sWorldLog.Log ("SERVER:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n", |
| 152 | (uint32) get_handle (), |
| 153 | pct.size (), |
| 154 | LookupOpcodeName (pct.GetOpcode ()), |
| 155 | pct.GetOpcode ()); |
| 156 | |
| 157 | uint32 p = 0; |
| 158 | while (p < pct.size ()) |
| 159 | { |
| 160 | for (uint32 j = 0; j < 16 && p < pct.size (); j++) |
| 161 | sWorldLog.Log ("%.2X ", const_cast<WorldPacket&>(pct)[p++]); |
| 162 | |
| 163 | sWorldLog.Log ("\n"); |
| 164 | } |
| 165 | |
| 166 | sWorldLog.Log ("\n\n"); |
| 167 | } |
| 168 | |
| 169 | if (iSendPacket (pct) == -1) |
| 170 | { |
| 171 | WorldPacket* npct; |
| 172 | |
| 173 | ACE_NEW_RETURN (npct, WorldPacket (pct), -1); |
| 174 | |
| 175 | // NOTE maybe check of the size of the queue can be good ? |
| 176 | // to make it bounded instead of unbounded |
| 177 | if (m_PacketQueue.enqueue_tail (npct) == -1) |
| 178 | { |
| 179 | delete npct; |
| 180 | sLog.outError ("WorldSocket::SendPacket: m_PacketQueue.enqueue_tail failed"); |
| 181 | return -1; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | long |
| 189 | WorldSocket::AddReference (void) |
| 190 | { |
| 191 | return static_cast<long> (this->add_reference ()); |
| 192 | } |
| 193 | |
| 194 | long |
| 195 | WorldSocket::RemoveReference (void) |
| 196 | { |
| 197 | return static_cast<long> (this->remove_reference ()); |
| 198 | } |
| 199 | |
| 200 | int |
| 201 | WorldSocket::open (void *a) |
| 202 | { |
| 203 | ACE_UNUSED_ARG (a); |
| 204 | |
| 205 | // Prevent double call to this func. |
| 206 | if (m_OutBuffer) |
| 207 | return -1; |
| 208 | |
| 209 | // This will also prevent the socket from being Updated |
| 210 | // while we are initializing it. |
| 211 | m_OutActive = true; |
| 212 | |
| 213 | // Hook for the manager. |
| 214 | if (sWorldSocketMgr->OnSocketOpen (this) == -1) |
| 215 | return -1; |
| 216 | |
| 217 | // Allocate the buffer. |
| 218 | ACE_NEW_RETURN (m_OutBuffer, ACE_Message_Block (m_OutBufferSize), -1); |
| 219 | |
| 220 | // Store peer address. |
| 221 | ACE_INET_Addr remote_addr; |
| 222 | |
| 223 | if (this->peer ().get_remote_addr (remote_addr) == -1) |
| 224 | { |
| 225 | sLog.outError ("WorldSocket::open: peer ().get_remote_addr errno = %s", ACE_OS::strerror (errno)); |
| 226 | return -1; |
| 227 | } |
| 228 | |
| 229 | m_Address = remote_addr.get_host_addr (); |
| 230 | |
| 231 | // Send startup packet. |
| 232 | WorldPacket packet (SMSG_AUTH_CHALLENGE, 4); |
| 233 | packet << m_Seed; |
| 234 | |
| 235 | if (SendPacket (packet) == -1) |
| 236 | return -1; |
| 237 | |
| 238 | // Register with ACE Reactor |
| 239 | if (this->reactor ()->register_handler |
| 240 | (this, |
| 241 | ACE_Event_Handler::READ_MASK | ACE_Event_Handler::WRITE_MASK) == -1) |
| 242 | { |
| 243 | sLog.outError ("WorldSocket::open: unable to register client handler errno = %s", ACE_OS::strerror (errno)); |
| 244 | return -1; |
| 245 | } |
| 246 | |
| 247 | // reactor takes care of the socket from now on |
| 248 | this->remove_reference (); |
| 249 | |
| 250 | return 0; |
| 251 | } |
| 252 | |
| 253 | int |
| 254 | WorldSocket::close (int) |
| 255 | { |
| 256 | this->shutdown (); |
| 257 | |
| 258 | this->closing_ = true; |
| 259 | |
| 260 | this->remove_reference (); |
| 261 | |
| 262 | return 0; |
| 263 | } |
| 264 | |
| 265 | int |
| 266 | WorldSocket::handle_input (ACE_HANDLE) |
| 267 | { |
| 268 | if (this->closing_) |
| 269 | return -1; |
| 270 | |
| 271 | switch (this->handle_input_missing_data ()) |
| 272 | { |
| 273 | case -1 : |
| 274 | { |
| 275 | if ((errno == EWOULDBLOCK) || |
| 276 | (errno == EAGAIN)) |
| 277 | { |
| 278 | //return 0; |
| 279 | return this->Update (); // interesting line ,isnt it ? |
| 280 | } |
| 281 | |
| 282 | DEBUG_LOG ("WorldSocket::handle_input: Peer error closing connection errno = %s", ACE_OS::strerror (errno)); |
| 283 | |
| 284 | return -1; |
| 285 | } |
| 286 | case 0: |
| 287 | { |
| 288 | DEBUG_LOG ("WorldSocket::handle_input: Peer has closed connection\n"); |
| 289 | |
| 290 | errno = ECONNRESET; |
| 291 | |
| 292 | return -1; |
| 293 | } |
| 294 | case 1: |
| 295 | return 1; |
| 296 | } |
| 297 | |
| 298 | //return 0; |
| 299 | return this->Update (); // another interesting line ;) |
| 300 | } |
| 301 | |
| 302 | int |
| 303 | WorldSocket::handle_output (ACE_HANDLE) |
| 304 | { |
| 305 | ACE_GUARD_RETURN (LockType, Guard, m_OutBufferLock, -1); |
| 306 | |
| 307 | if (this->closing_) |
| 308 | return -1; |
| 309 | |
| 310 | const size_t send_len = m_OutBuffer->length (); |
| 311 | |
| 312 | if (send_len == 0) |
| 313 | return this->cancel_wakeup_output (Guard); |
| 314 | |
| 315 | // TODO SO_NOSIGPIPE on platforms that support it |
| 316 | #ifdef MSG_NOSIGNAL |
| 317 | ssize_t n = this->peer ().send (m_OutBuffer->rd_ptr (), send_len, MSG_NOSIGNAL); |
| 318 | #else |
| 319 | ssize_t n = this->peer ().send (m_OutBuffer->rd_ptr (), send_len); |
| 320 | #endif // MSG_NOSIGNAL |
| 321 | |
| 322 | if (n == 0) |
| 323 | return -1; |
| 324 | else if (n == -1) |
| 325 | { |
| 326 | if (errno == EWOULDBLOCK || errno == EAGAIN) |
| 327 | return this->schedule_wakeup_output (Guard); |
| 328 | |
| 329 | return -1; |
| 330 | } |
| 331 | else if (n < send_len) //now n > 0 |
| 332 | { |
| 333 | m_OutBuffer->rd_ptr (static_cast<size_t> (n)); |
| 334 | |
| 335 | // move the data to the base of the buffer |
| 336 | m_OutBuffer->crunch (); |
| 337 | |
| 338 | return this->schedule_wakeup_output (Guard); |
| 339 | } |
| 340 | else //now n == send_len |
| 341 | { |
| 342 | m_OutBuffer->reset (); |
| 343 | |
| 344 | if (!iFlushPacketQueue ()) |
| 345 | return this->cancel_wakeup_output (Guard); |
| 346 | else |
| 347 | return this->schedule_wakeup_output (Guard); |
| 348 | } |
| 349 | |
| 350 | ACE_NOTREACHED (return 0); |
| 351 | } |
| 352 | |
| 353 | int |
| 354 | WorldSocket::handle_close (ACE_HANDLE h, ACE_Reactor_Mask) |
| 355 | { |
| 356 | // Critical section |
| 357 | { |
| 358 | ACE_GUARD_RETURN (LockType, Guard, m_OutBufferLock, -1); |
| 359 | |
| 360 | this->closing_ = true; |
| 361 | |
| 362 | if (h == ACE_INVALID_HANDLE) |
| 363 | this->peer ().close_writer (); |
| 364 | } |
| 365 | |
| 366 | // Critical section |
| 367 | { |
| 368 | ACE_GUARD_RETURN (LockType, Guard, m_SessionLock, -1); |
| 369 | |
| 370 | m_Session = NULL; |
| 371 | } |
| 372 | |
| 373 | return 0; |
| 374 | } |
| 375 | |
| 376 | int |
| 377 | WorldSocket::Update (void) |
| 378 | { |
| 379 | if (this->closing_) |
| 380 | return -1; |
| 381 | |
| 382 | if (m_OutActive || m_OutBuffer->length () == 0) |
| 383 | return 0; |
| 384 | |
| 385 | return this->handle_output (this->get_handle ()); |
| 386 | } |
| 387 | |
| 388 | int |
| 389 | WorldSocket::handle_input_header (void) |
| 390 | { |
| 391 | ACE_ASSERT (m_RecvWPct == NULL); |
| 392 | |
| 393 | if (m_Header.length () != sizeof (ClientPktHeader)) |
| 394 | { |
| 395 | sLog.outError ("WorldSocket::handle_input_header: internal error: invalid header"); |
| 396 | errno = EINVAL; |
| 397 | return -1; |
| 398 | } |
| 399 | |
| 400 | m_Crypt.DecryptRecv ((ACE_UINT8*) m_Header.rd_ptr (), sizeof (ClientPktHeader)); |
| 401 | |
| 402 | ClientPktHeader& header = *((ClientPktHeader*) m_Header.rd_ptr ()); |
| 403 | |
| 404 | header.size = ACE_NTOHS (header.size); |
| 405 | |
| 406 | #if ACE_BYTE_ORDER == ACE_BIG_ENDIAN |
| 407 | header.cmd = ACE_SWAP_LONG (header.cmd) |
| 408 | #endif // ACE_BIG_ENDIAN |
| 409 | |
| 410 | if ((header.size < 4) || |
| 411 | (header.size > 10240) || |
| 412 | (header.cmd <= 0) || |
| 413 | (header.cmd > 10240) |
| 414 | ) |
| 415 | { |
| 416 | sLog.outError ("WorldSocket::handle_input_header: client sent mailformed packet size = %d , cmd = %d", |
| 417 | header.size, |
| 418 | header.cmd); |
| 419 | |
| 420 | errno = EINVAL; |
| 421 | return -1; |
| 422 | } |
| 423 | |
| 424 | header.size -= 4; |
| 425 | |
| 426 | ACE_NEW_RETURN (m_RecvWPct, WorldPacket ((uint16) header.cmd, header.size), -1); |
| 427 | |
| 428 | if(header.size > 0) |
| 429 | { |
| 430 | m_RecvWPct->resize (header.size); |
| 431 | m_RecvPct.base ((char*) m_RecvWPct->contents (), m_RecvWPct->size ()); |
| 432 | } |
| 433 | else |
| 434 | { |
| 435 | ACE_ASSERT(m_RecvPct.space() == 0); |
| 436 | } |
| 437 | |
| 438 | |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | int |
| 443 | WorldSocket::handle_input_payload (void) |
| 444 | { |
| 445 | // set errno properly here on error !!! |
| 446 | // now have a header and payload |
| 447 | |
| 448 | ACE_ASSERT (m_RecvPct.space () == 0); |
| 449 | ACE_ASSERT (m_Header.space () == 0); |
| 450 | ACE_ASSERT (m_RecvWPct != NULL); |
| 451 | |
| 452 | const int ret = this->ProcessIncoming (m_RecvWPct); |
| 453 | |
| 454 | m_RecvPct.base (NULL, 0); |
| 455 | m_RecvPct.reset (); |
| 456 | m_RecvWPct = NULL; |
| 457 | |
| 458 | m_Header.reset (); |
| 459 | |
| 460 | if (ret == -1) |
| 461 | errno = EINVAL; |
| 462 | |
| 463 | return ret; |
| 464 | } |
| 465 | |
| 466 | int |
| 467 | WorldSocket::handle_input_missing_data (void) |
| 468 | { |
| 469 | char buf [1024]; |
| 470 | |
| 471 | ACE_Data_Block db (sizeof (buf), |
| 472 | ACE_Message_Block::MB_DATA, |
| 473 | buf, |
| 474 | 0, |
| 475 | 0, |
| 476 | ACE_Message_Block::DONT_DELETE, |
| 477 | 0); |
| 478 | |
| 479 | ACE_Message_Block message_block (&db, |
| 480 | ACE_Message_Block::DONT_DELETE, |
| 481 | 0); |
| 482 | |
| 483 | const size_t recv_size = message_block.space (); |
| 484 | |
| 485 | const ssize_t n = this->peer ().recv (message_block.wr_ptr (), |
| 486 | recv_size); |
| 487 | |
| 488 | if (n <= 0) |
| 489 | return n; |
| 490 | |
| 491 | message_block.wr_ptr (n); |
| 492 | |
| 493 | while (message_block.length () > 0) |
| 494 | { |
| 495 | if (m_Header.space () > 0) |
| 496 | { |
| 497 | //need to recieve the header |
| 498 | const size_t to_header = (message_block.length () > m_Header.space () ? m_Header.space () : message_block.length ()); |
| 499 | m_Header.copy (message_block.rd_ptr (), to_header); |
| 500 | message_block.rd_ptr (to_header); |
| 501 | |
| 502 | if (m_Header.space () > 0) |
184 | | default: |
| 543 | } |
| 544 | |
| 545 | //just recieved fresh new payload |
| 546 | if (this->handle_input_payload () == -1) |
| 547 | { |
| 548 | ACE_ASSERT ((errno != EWOULDBLOCK) && (errno != EAGAIN)); |
| 549 | return -1; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | return n == recv_size ? 1 : 2; |
| 554 | } |
| 555 | |
| 556 | int |
| 557 | WorldSocket::cancel_wakeup_output (GuardType& g) |
| 558 | { |
| 559 | if (!m_OutActive) |
| 560 | return 0; |
| 561 | |
| 562 | m_OutActive = false; |
| 563 | |
| 564 | g.release (); |
| 565 | |
| 566 | if (this->reactor ()->cancel_wakeup |
| 567 | (this, ACE_Event_Handler::WRITE_MASK) == -1) |
| 568 | { |
| 569 | // would be good to store errno from reactor with errno guard |
| 570 | sLog.outError ("WorldSocket::cancel_wakeup_output"); |
| 571 | return -1; |
| 572 | } |
| 573 | |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | int |
| 578 | WorldSocket::schedule_wakeup_output (GuardType& g) |
| 579 | { |
| 580 | if (m_OutActive) |
| 581 | return 0; |
| 582 | |
| 583 | m_OutActive = true; |
| 584 | |
| 585 | g.release (); |
| 586 | |
| 587 | if (this->reactor ()->schedule_wakeup |
| 588 | (this, ACE_Event_Handler::WRITE_MASK) == -1) |
| 589 | { |
| 590 | sLog.outError ("WorldSocket::schedule_wakeup_output"); |
| 591 | return -1; |
| 592 | } |
| 593 | |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | int |
| 598 | WorldSocket::ProcessIncoming (WorldPacket* new_pct) |
| 599 | { |
| 600 | ACE_ASSERT (new_pct); |
| 601 | |
| 602 | // manage memory ;) |
| 603 | ACE_Auto_Ptr<WorldPacket> aptr (new_pct); |
| 604 | |
| 605 | const ACE_UINT16 opcode = new_pct->GetOpcode (); |
| 606 | |
| 607 | if (this->closing_) |
| 608 | return -1; |
| 609 | |
| 610 | // dump recieved packet |
| 611 | if (sWorldLog.LogWorld ()) |
| 612 | { |
| 613 | sWorldLog.Log ("CLIENT:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n", |
| 614 | (uint32) get_handle (), |
| 615 | new_pct->size (), |
| 616 | LookupOpcodeName (new_pct->GetOpcode ()), |
| 617 | new_pct->GetOpcode ()); |
| 618 | |
| 619 | uint32 p = 0; |
| 620 | while (p < new_pct->size ()) |
| 621 | { |
| 622 | for (uint32 j = 0; j < 16 && p < new_pct->size (); j++) |
| 623 | sWorldLog.Log ("%.2X ", (*new_pct)[p++]); |
| 624 | sWorldLog.Log ("\n"); |
| 625 | } |
| 626 | sWorldLog.Log ("\n\n"); |
| 627 | } |
| 628 | |
| 629 | // like one switch ;) |
| 630 | if (opcode == CMSG_PING) |
| 631 | { |
| 632 | return HandlePing (*new_pct); |
| 633 | } |
| 634 | else if (opcode == CMSG_AUTH_SESSION) |
| 635 | { |
| 636 | if (m_Session) |
| 637 | { |
| 638 | sLog.outError ("WorldSocket::ProcessIncoming: Player send CMSG_AUTH_SESSION again"); |
| 639 | return -1; |
| 640 | } |
| 641 | |
| 642 | return HandleAuthSession (*new_pct); |
| 643 | } |
| 644 | else if (opcode == CMSG_KEEP_ALIVE) |
| 645 | { |
| 646 | DEBUG_LOG ("CMSG_KEEP_ALIVE ,size: %d", new_pct->size ()); |
| 647 | |
| 648 | return 0; |
| 649 | } |
| 650 | else |
| 651 | { |
| 652 | ACE_GUARD_RETURN (LockType, Guard, m_SessionLock, -1); |
| 653 | |
| 654 | if (m_Session != NULL) |
| 655 | { |
| 656 | // OK ,give the packet to WorldSession |
| 657 | aptr.release (); |
| 658 | // WARNINIG here we call it with locks held. |
| 659 | // Its possible to cause deadlock if QueuePacket calls back |
| 660 | m_Session->QueuePacket (new_pct); |
| 661 | return 0; |
| 662 | } |
| 663 | else |
| 664 | { |
| 665 | sLog.outError ("WorldSocket::ProcessIncoming: Client not authed opcode = ", opcode); |
| 666 | return -1; |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | ACE_NOTREACHED (return 0); |
| 671 | } |
| 672 | |
| 673 | int |
| 674 | WorldSocket::HandleAuthSession (WorldPacket& recvPacket) |
| 675 | { |
| 676 | uint8 digest[20]; |
| 677 | uint32 clientSeed; |
| 678 | uint32 unk2; |
| 679 | uint32 BuiltNumberClient; |
| 680 | uint32 id, security; |
| 681 | bool tbc = false; |
| 682 | LocaleConstant locale; |
| 683 | std::string account; |
| 684 | Sha1Hash sha1; |
| 685 | BigNumber v, s, g, N, x, I; |
| 686 | WorldPacket packet, SendAddonPacked; |
| 687 | |
| 688 | BigNumber K; |
| 689 | |
| 690 | if (recvPacket.size () < (4 + 4 + 1 + 4 + 20)) |
| 691 | { |
| 692 | sLog.outError ("WorldSocket::HandleAuthSession: wrong packet size"); |
| 693 | return -1; |
| 694 | } |
| 695 | |
| 696 | // Read the content of the packet |
| 697 | recvPacket >> BuiltNumberClient; // for now no use |
| 698 | recvPacket >> unk2; |
| 699 | recvPacket >> account; |
| 700 | |
| 701 | if (recvPacket.size () < (4 + 4 + (account.size () + 1) + 4 + 20)) |
| 702 | { |
| 703 | sLog.outError ("WorldSocket::HandleAuthSession: wrong packet size second check"); |
| 704 | return -1; |
| 705 | } |
| 706 | |
| 707 | recvPacket >> clientSeed; |
| 708 | recvPacket.read (digest, 20); |
| 709 | |
| 710 | DEBUG_LOG ("WorldSocket::HandleAuthSession: client %u, unk2 %u, account %s, clientseed %u", |
| 711 | BuiltNumberClient, |
| 712 | unk2, |
| 713 | account.c_str (), |
| 714 | clientSeed); |
| 715 | |
| 716 | #if defined _NETCODE_FAKE_AUTH |
| 717 | bool dontchechtheacc = false; |
| 718 | uint8 digest_fake[sizeof (digest)]; |
| 719 | memset ((void*) digest_fake, '\0', sizeof (digest_fake)); |
| 720 | if (memcmp ((void*) digest, (void*) digest_fake, sizeof (digest_fake)) == 0) |
| 721 | { |
| 722 | dontchechtheacc = true; |
| 723 | } |
| 724 | #endif //_NETCODE_FAKE_AUTH |
| 725 | |
| 726 | // Get the account information from the realmd database |
| 727 | std::string safe_account = account; // Duplicate, else will screw the SHA hash verification below |
| 728 | loginDatabase.escape_string (safe_account); |
| 729 | // No SQL injection, username escaped. |
| 730 | |
| 731 | QueryResult *result = |
| 732 | loginDatabase.PQuery ("SELECT " |
| 733 | "id, " //0 |
| 734 | "gmlevel, " //1 |
| 735 | "sessionkey, " //2 |
| 736 | "last_ip, " //3 |
| 737 | "locked, " //4 |
| 738 | "sha_pass_hash, " //5 |
| 739 | "v, " //6 |
| 740 | "s, " //7 |
| 741 | "tbc, " //8 |
| 742 | "mutetime, " //9 |
| 743 | "locale " //10 |
| 744 | "FROM account " |
| 745 | "WHERE username = '%s'", |
| 746 | safe_account.c_str ()); |
| 747 | |
| 748 | // Stop if the account is not found |
| 749 | if (!result) |
| 750 | { |
| 751 | packet.Initialize (SMSG_AUTH_RESPONSE, 1); |
| 752 | packet << uint8 (AUTH_UNKNOWN_ACCOUNT); |
| 753 | |
| 754 | SendPacket (packet); |
| 755 | |
| 756 | sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (unknown account)."); |
| 757 | return -1; |
| 758 | } |
| 759 | |
| 760 | Field* fields = result->Fetch (); |
| 761 | |
| 762 | tbc = fields[8].GetUInt8 () && sWorld.getConfig (CONFIG_EXPANSION) > 0; |
| 763 | |
| 764 | N.SetHexStr ("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7"); |
| 765 | g.SetDword (7); |
| 766 | I.SetHexStr (fields[5].GetString ()); |
| 767 | |
| 768 | //In case of leading zeros in the I hash, restore them |
| 769 | uint8 mDigest[SHA_DIGEST_LENGTH]; |
| 770 | memset (mDigest, 0, SHA_DIGEST_LENGTH); |
| 771 | |
| 772 | if (I.GetNumBytes () <= SHA_DIGEST_LENGTH) |
| 773 | memcpy (mDigest, I.AsByteArray (), I.GetNumBytes ()); |
| 774 | |
| 775 | std::reverse (mDigest, mDigest + SHA_DIGEST_LENGTH); |
| 776 | |
| 777 | s.SetHexStr (fields[7].GetString ()); |
| 778 | sha1.UpdateData (s.AsByteArray (), s.GetNumBytes ()); |
| 779 | sha1.UpdateData (mDigest, SHA_DIGEST_LENGTH); |
| 780 | sha1.Finalize (); |
| 781 | x.SetBinary (sha1.GetDigest (), sha1.GetLength ()); |
| 782 | v = g.ModExp (x, N); |
| 783 | |
| 784 | const char* sStr = s.AsHexStr (); //Must be freed by OPENSSL_free() |
| 785 | const char* vStr = v.AsHexStr (); //Must be freed by OPENSSL_free() |
| 786 | const char* vold = fields[6].GetString (); |
| 787 | |
| 788 | DEBUG_LOG ("WorldSocket::HandleAuthSession: (s,v) check s: %s v_old: %s v_new: %s", |
| 789 | sStr, |
| 790 | vold, |
| 791 | vStr); |
| 792 | |
| 793 | loginDatabase.PExecute ("UPDATE account " |
| 794 | "SET " |
| 795 | "v = '0', " |
| 796 | "s = '0' " |
| 797 | "WHERE username = '%s'", |
| 798 | safe_account.c_str ()); |
| 799 | |
| 800 | #if defined _NETCODE_FAKE_AUTH |
| 801 | if (!dontchechtheacc) |
| 802 | { |
| 803 | #endif |
| 804 | if (!vold || strcmp (vStr, vold)) |
| 805 | { |
| 806 | packet.Initialize (SMSG_AUTH_RESPONSE, 1); |
| 807 | packet << uint8 (AUTH_UNKNOWN_ACCOUNT); |
| 808 | SendPacket (packet); |
| 809 | delete result; |
| 810 | OPENSSL_free ((void*) sStr); |
| 811 | OPENSSL_free ((void*) vStr); |
| 812 | |
| 813 | sLog.outError ("WorldSocket::HandleAuthSession: User not logged."); |
| 814 | return -1; |
| 815 | } |
| 816 | #if defined _NETCODE_FAKE_AUTH |
| 817 | } |
| 818 | #endif |
| 819 | |
| 820 | OPENSSL_free ((void*) sStr); |
| 821 | OPENSSL_free ((void*) vStr); |
| 822 | |
| 823 | ///- Re-check ip locking (same check as in realmd). |
| 824 | if (fields[4].GetUInt8 () == 1) // if ip is locked |
| 825 | { |
| 826 | if (strcmp (fields[3].GetString (), GetRemoteAddress ().c_str ())) |
| 827 | { |
| 828 | packet.Initialize (SMSG_AUTH_RESPONSE, 1); |
| 829 | packet << uint8 (AUTH_FAILED); |
| 830 | SendPacket (packet); |
| 831 | |
| 832 | delete result; |
| 833 | sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (Account IP differs)."); |
| 834 | return -1; |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | id = fields[0].GetUInt32 (); |
| 839 | security = fields[1].GetUInt16 (); |
| 840 | K.SetHexStr (fields[2].GetString ()); |
| 841 | |
| 842 | time_t mutetime = time_t (fields[9].GetUInt64 ()); |
| 843 | |
| 844 | locale = LocaleConstant (fields[10].GetUInt8 ()); |
| 845 | if (locale >= MAX_LOCALE) |
| 846 | locale = LOCALE_enUS; |
| 847 | |
| 848 | delete result; |
| 849 | |
| 850 | #if defined _NETCODE_FAKE_AUTH |
| 851 | if (!dontchechtheacc) |
| 852 | { |
| 853 | #endif |
| 854 | // Re-check account ban (same check as in realmd) |
| 855 | QueryResult *banresult = |
| 856 | loginDatabase.PQuery ("SELECT " |
| 857 | "bandate, " |
| 858 | "unbandate " |
| 859 | "FROM account_banned " |
| 860 | "WHERE id = '%u' " |
| 861 | "AND active = 1", |
| 862 | id); |
| 863 | |
| 864 | if (banresult) // if account banned |
| 865 | { |
| 866 | packet.Initialize (SMSG_AUTH_RESPONSE, 1); |
| 867 | packet << uint8 (AUTH_BANNED); |
| 868 | SendPacket (packet); |
| 869 | |
| 870 | delete banresult; |
| 871 | |
| 872 | sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (Account banned)."); |
| 873 | return -1; |
| 874 | } |
| 875 | |
| 876 | // Check locked state for server |
| 877 | AccountTypes allowedAccountType = sWorld.GetPlayerSecurityLimit (); |
| 878 | |
| 879 | if (allowedAccountType > SEC_PLAYER && security < allowedAccountType) |
| 880 | { |
| 881 | WorldPacket Packet (SMSG_AUTH_RESPONSE, 1); |
| 882 | Packet << uint8 (AUTH_UNAVAILABLE); |
| 883 | |
| 884 | SendPacket (packet); |
| 885 | |
| 886 | sLog.outBasic ("WorldSocket::HandleAuthSession: User tryes to login but his security level is not enough"); |
| 887 | return -1; |
| 888 | } |
| 889 | |
| 890 | // Check that Key and account name are the same on client and server |
| 891 | Sha1Hash sha; |
| 892 | |
| 893 | uint32 t = 0; |
| 894 | uint32 seed = m_Seed; |
| 895 | |
| 896 | sha.UpdateData (account); |
| 897 | sha.UpdateData ((uint8 *) & t, 4); |
| 898 | sha.UpdateData ((uint8 *) & clientSeed, 4); |
| 899 | sha.UpdateData ((uint8 *) & seed, 4); |
| 900 | sha.UpdateBigNumbers (&K, NULL); |
| 901 | sha.Finalize (); |
| 902 | |
| 903 | if (memcmp (sha.GetDigest (), digest, 20)) |
| 904 | { |
| 905 | packet.Initialize (SMSG_AUTH_RESPONSE, 1); |
| 906 | packet << uint8 (AUTH_FAILED); |
| 907 | |
| 908 | SendPacket (packet); |
| 909 | |
| 910 | sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (authentification failed)."); |
| 911 | return -1; |
| 912 | } |
| 913 | #if defined _NETCODE_FAKE_AUTH |
| 914 | } |
| 915 | #endif |
| 916 | |
| 917 | std::string address = this->GetRemoteAddress (); |
| 918 | |
| 919 | DEBUG_LOG ("WorldSocket::HandleAuthSession: Client '%s' authenticated successfully from %s.", |
| 920 | account.c_str (), |
| 921 | address.c_str ()); |
| 922 | |
| 923 | // Update the last_ip in the database |
| 924 | // No SQL injection, username escaped. |
| 925 | loginDatabase.escape_string (address); |
| 926 | |
| 927 | loginDatabase.PExecute ("UPDATE account " |
| 928 | "SET last_ip = '%s' " |
| 929 | "WHERE username = '%s'", |
| 930 | address.c_str (), |
| 931 | safe_account.c_str ()); |
| 932 | |
| 933 | // TODO protect here probably ? |
| 934 | // Althought atm the socket is singlethreaded |
| 935 | ACE_NEW_RETURN (m_Session, WorldSession (id, this, security, tbc, mutetime, locale), -1); |
| 936 | |
| 937 | #if defined _NETCODE_FAKE_AUTH |
| 938 | if (!dontchechtheacc) |
| 939 | { |
| 940 | #endif |
| 941 | this->m_Crypt.SetKey (&K); |
| 942 | this->m_Crypt.Init (); |
| 943 | #if defined _NETCODE_FAKE_AUTH |
| 944 | } |
| 945 | #endif |
| 946 | |
| 947 | // In case needed sometime the second arg is in microseconds 1 000 000 = 1 sec |
| 948 | ACE_OS::sleep (ACE_Time_Value (0, 10000)); |
| 949 | |
| 950 | // TODO error handling |
| 951 | sWorld.AddSession (this->m_Session); |
| 952 | |
| 953 | // Create and send the Addon packet |
| 954 | if (sAddOnHandler.BuildAddonPacket (&recvPacket, &SendAddonPacked)) |
| 955 | SendPacket (SendAddonPacked); |
| 956 | |
| 957 | return 0; |
| 958 | } |
| 959 | |
| 960 | int |
| 961 | WorldSocket::HandlePing (WorldPacket& recvPacket) |
| 962 | { |
| 963 | uint32 ping; |
| 964 | uint32 latency; |
| 965 | |
| 966 | if (recvPacket.size () < 8) |
| 967 | { |
| 968 | sLog.outError ("WorldSocket::_HandlePing wrong packet size"); |
| 969 | return -1; |
| 970 | } |
| 971 | |
| 972 | // Get the ping packet content |
| 973 | recvPacket >> ping; |
| 974 | recvPacket >> latency; |
| 975 | |
| 976 | if (m_LastPingTime == ACE_Time_Value::zero) |
| 977 | m_LastPingTime = ACE_OS::gettimeofday (); // for 1st ping |
| 978 | else |
| 979 | { |
| 980 | ACE_Time_Value cur_time = ACE_OS::gettimeofday (); |
| 981 | ACE_Time_Value diff_time (cur_time); |
| 982 | diff_time -= m_LastPingTime; |
| 983 | m_LastPingTime = cur_time; |
| 984 | |
| 985 | if (diff_time < ACE_Time_Value (27)) |
| 986 | { |
| 987 | ++m_OverSpeedPings; |
| 988 | |
| 989 | uint32 max_count = sWorld.getConfig (CONFIG_MAX_OVERSPEED_PINGS); |
| 990 | |
| 991 | if (max_count && m_OverSpeedPings > max_count) |
194 | | } |
195 | | } |
196 | | |
197 | | /// On socket closing |
198 | | void WorldSocket::CloseSocket() |
199 | | { |
200 | | ///- Set CloseAndDelete flag for TcpSocket class |
201 | | SetCloseAndDelete(true); |
202 | | |
203 | | ///- Set _session to NULL. Prevent crashes |
204 | | _session = NULL; |
205 | | } |
206 | | |
207 | | /// On socket deleting |
208 | | void WorldSocket::OnDelete() |
209 | | { |
210 | | ///- Stop sending remaining data through this socket |
211 | | if (_session) |
212 | | { |
213 | | _session->SetSocket(NULL); |
214 | | // Session deleted from World session list at socket==0, This is only back reference from socket to session. |
215 | | _session = NULL; |
216 | | } |
217 | | |
218 | | ///- Remove the socket from the WorldSocketMgr list |
219 | | sWorldSocketMgr.RemoveSocket(this); |
220 | | |
221 | | ///- Removes socket from player queue |
222 | | sWorld.RemoveQueuedPlayer(this); |
223 | | } |
224 | | |
225 | | /// Handle the client authentication packet |
226 | | void WorldSocket::_HandleAuthSession(WorldPacket& recvPacket) |
227 | | { |
228 | | uint8 digest[20]; |
229 | | uint32 clientSeed; |
230 | | uint32 unk2; |
231 | | uint32 BuiltNumberClient; |
232 | | uint32 id, security; |
233 | | bool tbc = false; |
234 | | std::string account; |
235 | | Sha1Hash sha1; |
236 | | BigNumber v, s, g, N, x, I; |
237 | | WorldPacket packet, SendAddonPacked; |
238 | | |
239 | | BigNumber K; |
240 | | |
241 | | SOCKET_CHECK_PACKET_SIZE(recvPacket,4+4+1+4+20); |
242 | | |
243 | | ///- Read the content of the packet |
244 | | recvPacket >> BuiltNumberClient; // for now no use |
245 | | recvPacket >> unk2; |
246 | | recvPacket >> account; |
247 | | |
248 | | // recheck size |
249 | | SOCKET_CHECK_PACKET_SIZE(recvPacket,4+4+(account.size()+1)+4+20); |
250 | | |
251 | | recvPacket >> clientSeed; |
252 | | recvPacket.read(digest, 20); |
253 | | |
254 | | sLog.outDebug("Auth: client %u, unk2 %u, account %s, clientseed %u", BuiltNumberClient, unk2, account.c_str(), clientSeed); |
255 | | |
256 | | ///- Normalize account name |
257 | | //utf8ToUpperOnlyLatin(account); -- client already send account in expected form |
258 | | |
259 | | ///- Get the account information from the realmd database |
260 | | std::string safe_account = account; // Duplicate, else will screw the SHA hash verification below |
261 | | loginDatabase.escape_string(safe_account); |
262 | | //No SQL injection, username escaped. |
263 | | // 0 1 2 3 4 5 6 7 8 9 10 |
264 | | QueryResult *result = loginDatabase.PQuery("SELECT id, gmlevel, sessionkey, last_ip, locked, sha_pass_hash, v, s, tbc, mutetime, locale FROM account WHERE username = '%s'", safe_account.c_str()); |
265 | | |
266 | | ///- Stop if the account is not found |
267 | | if ( !result ) |
268 | | { |
269 | | packet.Initialize( SMSG_AUTH_RESPONSE, 1 ); |
270 | | packet << uint8( AUTH_UNKNOWN_ACCOUNT ); |
271 | | SendPacket( &packet ); |
272 | | sLog.outDetail( "SOCKET: Sent Auth Response (unknown account)." ); |
273 | | return; |
274 | | } |
275 | | |
276 | | Field* fields = result->Fetch(); |
277 | | |
278 | | tbc = fields[8].GetUInt8() && sWorld.getConfig(CONFIG_EXPANSION) > 0; |
279 | | |
280 | | N.SetHexStr("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7"); |
281 | | g.SetDword(7); |
282 | | I.SetHexStr(fields[5].GetString()); |
283 | | |
284 | | //In case of leading zeros in the I hash, restore them |
285 | | uint8 mDigest[SHA_DIGEST_LENGTH]; |
286 | | memset(mDigest,0,SHA_DIGEST_LENGTH); |
287 | | if (I.GetNumBytes() <= SHA_DIGEST_LENGTH) |
288 | | memcpy(mDigest,I.AsByteArray(),I.GetNumBytes()); |
289 | | |
290 | | std::reverse(mDigest,mDigest+SHA_DIGEST_LENGTH); |
291 | | |
292 | | s.SetHexStr(fields[7].GetString()); |
293 | | sha1.UpdateData(s.AsByteArray(), s.GetNumBytes()); |
294 | | sha1.UpdateData(mDigest, SHA_DIGEST_LENGTH); |
295 | | sha1.Finalize(); |
296 | | x.SetBinary(sha1.GetDigest(), sha1.GetLength()); |
297 | | v = g.ModExp(x, N); |
298 | | |
299 | | const char* sStr = s.AsHexStr(); //Must be freed by OPENSSL_free() |
300 | | const char* vStr = v.AsHexStr(); //Must be freed by OPENSSL_free() |
301 | | const char* vold = fields[6].GetString(); |
302 | | sLog.outDebug("SOCKET: (s,v) check s: %s v_old: %s v_new: %s", sStr, vold, vStr ); |
303 | | loginDatabase.PExecute("UPDATE account SET v = '0', s = '0' WHERE username = '%s'", safe_account.c_str()); |
304 | | if ( !vold || strcmp( vStr, vold ) ) |
305 | | { |
306 | | packet.Initialize( SMSG_AUTH_RESPONSE, 1 ); |
307 | | packet << uint8( AUTH_UNKNOWN_ACCOUNT ); |
308 | | SendPacket( &packet ); |
309 | | sLog.outDetail( "SOCKET: User not logged."); |
310 | | delete result; |
311 | | OPENSSL_free((void*)sStr); |
312 | | OPENSSL_free((void*)vStr); |
313 | | return; |
314 | | } |
315 | | OPENSSL_free((void*)sStr); |
316 | | OPENSSL_free((void*)vStr); |
317 | | |
318 | | ///- Re-check ip locking (same check as in realmd). |
319 | | if(fields[4].GetUInt8() == 1) // if ip is locked |
320 | | { |
321 | | if ( strcmp(fields[3].GetString(),GetRemoteAddress().c_str()) ) |
322 | | { |
323 | | packet.Initialize( SMSG_AUTH_RESPONSE, 1 ); |
324 | | packet << uint8( AUTH_FAILED ); |
325 | | SendPacket( &packet ); |
326 | | |
327 | | sLog.outDetail( "SOCKET: Sent Auth Response (Account IP differs)." ); |
328 | | delete result; |
329 | | return; |
330 | | } |
331 | | } |
332 | | |
333 | | id = fields[0].GetUInt32(); |
334 | | security = fields[1].GetUInt16(); |
335 | | K.SetHexStr(fields[2].GetString()); |
336 | | time_t mutetime = time_t(fields[9].GetUInt64()); |
337 | | |
338 | | LocaleConstant locale = LocaleConstant(fields[10].GetUInt8()); |
339 | | if (locale>=MAX_LOCALE) |
340 | | locale=LOCALE_enUS; |
341 | | |
342 | | delete result; |
343 | | |
344 | | ///- Re-check account ban (same check as in realmd) /// TO DO: why on earth do 2 checks for same thing? |
345 | | QueryResult *banresult = loginDatabase.PQuery("SELECT bandate,unbandate FROM account_banned WHERE id = '%u' AND active = 1", id); |
346 | | if(banresult) // if account banned |
347 | | { |
348 | | packet.Initialize( SMSG_AUTH_RESPONSE, 1 ); |
349 | | packet << uint8( AUTH_BANNED ); |
350 | | SendPacket( &packet ); |
351 | | |
352 | | sLog.outDetail( "SOCKET: Sent Auth Response (Account banned)." ); |
353 | | delete banresult; |
354 | | return; |
355 | | } |
356 | | |
357 | | ///- Check locked state for server |
358 | | AccountTypes allowedAccountType = sWorld.GetPlayerSecurityLimit(); |
359 | | if( allowedAccountType > SEC_PLAYER && security < allowedAccountType) |
360 | | { |
361 | | WorldPacket Packet(SMSG_AUTH_RESPONSE, 1); |
362 | | Packet << uint8(AUTH_UNAVAILABLE); |
363 | | SendPacket(&Packet); |
364 | | return; |
365 | | } |
366 | | |
367 | | ///- kick already loaded player with same account (if any) and remove session |
368 | | ///- if player is in loading and want to load again, return |
369 | | if(!sWorld.RemoveSession(id)) |
370 | | { |
371 | | return; |
372 | | } |
373 | | |
374 | | ///- Check that Key and account name are the same on client and server |
375 | | Sha1Hash sha; |
376 | | |
377 | | uint32 t = 0; |
378 | | uint32 seed = _seed; |
379 | | |
380 | | sha.UpdateData(account); |
381 | | sha.UpdateData((uint8 *)&t, 4); |
382 | | sha.UpdateData((uint8 *)&clientSeed, 4); |
383 | | sha.UpdateData((uint8 *)&seed, 4); |
384 | | sha.UpdateBigNumbers(&K, NULL); |
385 | | sha.Finalize(); |
386 | | |
387 | | if (memcmp(sha.GetDigest(), digest, 20)) |
388 | | { |
389 | | packet.Initialize( SMSG_AUTH_RESPONSE, 1 ); |
390 | | packet << uint8( AUTH_FAILED ); |
391 | | SendPacket( &packet ); |
392 | | |
393 | | sLog.outDetail( "SOCKET: Sent Auth Response (authentication failed)." ); |
394 | | return; |
395 | | } |
396 | | |
397 | | ///- Initialize the encryption with the Key |
398 | | _crypt.SetKey(&K); |
399 | | _crypt.Init(); |
400 | | |
401 | | ///- Send 'Auth is ok' |
402 | | packet.Initialize( SMSG_AUTH_RESPONSE, 1+4+1+4+1 ); |
403 | | packet << uint8( AUTH_OK ); |
404 | | packet << uint32(0); // unknown random value... |
405 | | packet << uint8(0); // can be 0 and 2 |
406 | | packet << uint32(0); // const 0 |
407 | | packet << uint8(tbc ? 1 : 0); // 0 - normal, 1 - TBC, must be set in database manually for each account |
408 | | SendPacket(&packet); |
409 | | |
410 | | ///- Create a new WorldSession for the player and add it to the World |
411 | | _session = new WorldSession(id, this,security,tbc,mutetime,locale); |
412 | | sWorld.AddSession(_session); |
413 | | |
414 | | if(sLog.IsOutDebug()) // optimize disabled debug output |
415 | | { |
416 | | sLog.outDebug( "SOCKET: Client '%s' authenticated successfully.", account.c_str() ); |
417 | | sLog.outDebug( "Account: '%s' Logged in from IP %s.", account.c_str(), GetRemoteAddress().c_str()); |
418 | | } |
419 | | |
420 | | ///- Update the last_ip in the database |
421 | | //No SQL injection, username escaped. |
422 | | std::string address = GetRemoteAddress(); |
423 | | loginDatabase.escape_string(address); |
424 | | loginDatabase.PExecute("UPDATE account SET last_ip = '%s' WHERE username = '%s'",address.c_str(), safe_account.c_str()); |
425 | | |
426 | | // do small delay (10ms) at accepting successful authed connection to prevent dropping packets by client |
427 | | // don't must harm anyone (let login ~100 accounts in 1 sec ;) ) |
428 | | #ifdef WIN32 |
429 | | Sleep(10); |
430 | | #else |
431 | | ZThread::Thread::sleep(10); |
432 | | #endif |
433 | | |
434 | | ///- Check that we do not exceed the maximum number of online players in the realm |
435 | | uint32 Sessions = sWorld.GetActiveAndQueuedSessionCount(); |
436 | | uint32 pLimit = sWorld.GetPlayerAmountLimit(); |
437 | | uint32 QueueSize = sWorld.GetQueueSize(); //number of players in the queue |
438 | | bool inQueue = false; |
439 | | --Sessions; //so we don't count the user trying to login as a session and queue the socket that we are using |
440 | | |
441 | | if( pLimit > 0 && Sessions >= pLimit && security == SEC_PLAYER ) |
442 | | { |
443 | | sWorld.AddQueuedPlayer(this); |
444 | | SendAuthWaitQue(sWorld.GetQueuePos(this)); |
445 | | sWorld.UpdateMaxSessionCounters(); |
446 | | sLog.outDetail( "PlayerQueue: %s is in Queue Position (%u).",safe_account.c_str(),++QueueSize); |
447 | | inQueue = true; |
448 | | } |
449 | | |
450 | | ///- Create and send the Addon packet |
451 | | if(sAddOnHandler.BuildAddonPacket(&recvPacket, &SendAddonPacked)) |
452 | | SendPacket(&SendAddonPacked); |
453 | | |
454 | | if(inQueue) |
455 | | return; |
456 | | |
457 | | sWorld.UpdateMaxSessionCounters(); |
458 | | |
459 | | // Updates the population |
460 | | if (pLimit > 0) |
461 | | { |
462 | | float popu = sWorld.GetActiveSessionCount(); //updated number of users on the server |
463 | | popu /= pLimit; |
464 | | popu *= 2; |
465 | | loginDatabase.PExecute("UPDATE realmlist SET population = '%f' WHERE id = '%d'",popu,realmID); |
466 | | sLog.outDetail( "Server Population (%f).",popu); |
467 | | } |
468 | | |
469 | | return; |
470 | | } |
471 | | |
472 | | /// Handle the Ping packet |
473 | | void WorldSocket::_HandlePing(WorldPacket& recvPacket) |
474 | | { |
475 | | uint32 ping; |
476 | | uint32 latency; |
477 | | |
478 | | CHECK_PACKET_SIZE(recvPacket,8); |
479 | | |
480 | | ///- Get the ping packet content |
481 | | recvPacket >> ping; |
482 | | recvPacket >> latency; |
483 | | |
484 | | if (_session ) |
485 | | _session->SetLatency(latency); |
486 | | |
487 | | ///- check ping speed for players |
488 | | if(_session && _session->GetSecurity() == SEC_PLAYER) |
489 | | { |
490 | | uint32 cur_mstime = getMSTime(); |
491 | | |
492 | | // can overflow and start from 0 |
493 | | uint32 diff_mstime = getMSTimeDiff(m_LastPingMSTime,cur_mstime); |
494 | | m_LastPingMSTime = cur_mstime; |
495 | | if(diff_mstime < 27000) // should be 30000 (=30 secs), add little tolerance |
496 | | { |
497 | | ++m_OverSpeedPings; |
498 | | |
499 | | uint32 max_count = sWorld.getConfig(CONFIG_MAX_OVERSPEED_PINGS); |
500 | | if(max_count && m_OverSpeedPings > max_count) |
| 1005 | else |
| 1006 | m_OverSpeedPings = 0; |
| 1007 | } |
| 1008 | |
| 1009 | // critical section |
| 1010 | { |
| 1011 | ACE_GUARD_RETURN (LockType, Guard, m_SessionLock, -1); |
| 1012 | |
| 1013 | if (m_Session) |
| 1014 | m_Session->SetLatency (latency); |
| 1015 | else |
| 1016 | { |
| 1017 | sLog.outError ("WorldSocket::HandlePing: peer sent CMSG_PING, " |
| 1018 | "but is not authenticated or got recently kicked," |
| 1019 | " adress = %s", |
| 1020 | this->GetRemoteAddress ().c_str ()); |
| 1021 | return -1; |
| 1022 | } |
| 1023 | } |
| 1024 | |
| 1025 | WorldPacket packet (SMSG_PONG, 4); |
| 1026 | packet << ping; |
| 1027 | return this->SendPacket (packet); |
| 1028 | } |
| 1029 | |
| 1030 | int |
| 1031 | WorldSocket::iSendPacket (const WorldPacket& pct) |
| 1032 | { |
| 1033 | if (m_OutBuffer->space () < pct.size () + sizeof (ServerPktHeader)) |
| 1034 | { |
| 1035 | errno = ENOBUFS; |
| 1036 | return -1; |
| 1037 | } |
| 1038 | |
| 1039 | ServerPktHeader header; |
| 1040 | |
| 1041 | header.cmd = pct.GetOpcode (); |
| 1042 | |
| 1043 | #if ACE_BYTE_ORDER == ACE_BIG_ENDIAN |
| 1044 | header.cmd = ACE_SWAP_WORD (header.cmd) |
| 1045 | #endif |
| 1046 | |
| 1047 | header.size = (uint16) pct.size () + 2; |
| 1048 | header.size = ACE_HTONS (header.size); |
| 1049 | |
| 1050 | m_Crypt.EncryptSend ((uint8*) & header, sizeof (header)); |
| 1051 | |
| 1052 | if (m_OutBuffer->copy ((char*) & header, sizeof (header)) == -1) |
| 1053 | ACE_ASSERT (false); |
| 1054 | |
| 1055 | if (!pct.empty ()) |
| 1056 | if (m_OutBuffer->copy ((char*) pct.contents (), pct.size ()) == -1) |
| 1057 | ACE_ASSERT (false); |
| 1058 | |
| 1059 | return 0; |
| 1060 | } |
| 1061 | |
| 1062 | bool |
| 1063 | WorldSocket::iFlushPacketQueue () |
| 1064 | { |
| 1065 | WorldPacket *pct; |
| 1066 | bool haveone = false; |
| 1067 | |
| 1068 | while (m_PacketQueue.dequeue_head (pct) == 0) |
| 1069 | { |
| 1070 | if (iSendPacket (*pct) == -1) |
| 1071 | { |
| 1072 | if (m_PacketQueue.enqueue_head (pct) == -1) |
506 | | } |
507 | | else |
508 | | m_OverSpeedPings = 0; |
509 | | |
510 | | } |
511 | | |
512 | | ///- And put the pong answer in the to-be-sent queue |
513 | | WorldPacket packet( SMSG_PONG, 4 ); |
514 | | packet << ping; |
515 | | SendPacket(&packet); |
516 | | |
517 | | return; |
518 | | } |
519 | | |
520 | | /// Handle the update order for the socket |
521 | | void WorldSocket::SendSinglePacket() |
522 | | { |
523 | | WorldPacket *packet; |
524 | | ServerPktHeader hdr; |
525 | | |
526 | | ///- If we have packet to send |
527 | | if (!_sendQueue.empty()) |
528 | | { |
529 | | packet = _sendQueue.next(); |
530 | | |
531 | | hdr.size = ntohs((uint16)packet->size() + 2); |
532 | | hdr.cmd = packet->GetOpcode(); |
533 | | |
534 | | if( sWorldLog.LogWorld() ) |
535 | | { |
536 | | sWorldLog.Log("SERVER:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n", |
537 | | (uint32)GetSocket(), |
538 | | packet->size(), |
539 | | LookupOpcodeName(packet->GetOpcode()), |
540 | | packet->GetOpcode()); |
541 | | |
542 | | uint32 p = 0; |
543 | | while (p < packet->size()) |
544 | | { |
545 | | for (uint32 j = 0; j < 16 && p < packet->size(); j++) |
546 | | sWorldLog.Log("%.2X ", (*packet)[p++]); |
547 | | |
548 | | sWorldLog.Log("\n"); |
549 | | } |
550 | | |
551 | | sWorldLog.Log("\n\n"); |
552 | | } |
553 | | |
554 | | ///- Encrypt (if needed) the header |
555 | | _crypt.EncryptSend((uint8*)&hdr, 4); |
556 | | |
557 | | ///- Send the header and body to the client |
558 | | TcpSocket::SendBuf((char*)&hdr, 4); |
559 | | if(!packet->empty()) TcpSocket::SendBuf((char*)packet->contents(), packet->size()); |
560 | | |
561 | | delete packet; |
562 | | } |
563 | | } |
564 | | |
565 | | void WorldSocket::Update(time_t diff) |
566 | | { |
567 | | const uint32 SEND_PACKETS_MAX = 100; |
568 | | const uint32 SEND_BUFFER_SIZE = 1024; |
569 | | |
570 | | uint8 sendBuffer[SEND_BUFFER_SIZE]; |
571 | | |
572 | | while (!_sendQueue.empty()) |
573 | | { |
574 | | bool haveBigPacket = false; |
575 | | uint32 bufferSize = 0; |
576 | | |
577 | | ///- While we have packets to send |
578 | | for (uint32 packetCount = 0; (packetCount < SEND_PACKETS_MAX) && !_sendQueue.empty(); packetCount++) |
579 | | { |
580 | | ServerPktHeader *hdr = (ServerPktHeader*)&sendBuffer[bufferSize]; |
581 | | |
582 | | // check merge possibility. |
583 | | WorldPacket *front = _sendQueue.front(); |
584 | | uint32 packetSize = front->size(); |
585 | | |
586 | | if ((sizeof(*hdr) + packetSize) > SEND_BUFFER_SIZE) |
587 | | { |
588 | | haveBigPacket = true; |
589 | | break; |
590 | | } |
591 | | |
592 | | if ((bufferSize + sizeof(*hdr) + packetSize) > sizeof(sendBuffer)) |
593 | | break; |
594 | | |
595 | | // can be merged |
596 | | WorldPacket *packet = _sendQueue.next(); |
597 | | |
598 | | hdr->size = ntohs((uint16)packetSize + 2); |
599 | | hdr->cmd = packet->GetOpcode(); |
600 | | |
601 | | if( sWorldLog.LogWorld() ) |
602 | | { |
603 | | sWorldLog.Log("SERVER:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n", |
604 | | (uint32)GetSocket(), |
605 | | packetSize, |
606 | | LookupOpcodeName(packet->GetOpcode()), |
607 | | packet->GetOpcode()); |
608 | | |
609 | | uint32 p = 0; |
610 | | while (p < packetSize) |
611 | | { |
612 | | for (uint32 j = 0; j < 16 && p < packetSize; j++) |
613 | | sWorldLog.Log("%.2X ", (*packet)[p++]); |
614 | | |
615 | | sWorldLog.Log("\n"); |
616 | | } |
617 | | |
618 | | sWorldLog.Log("\n\n"); |
619 | | } |
620 | | |
621 | | ///- Encrypt (if needed) the header |
622 | | _crypt.EncryptSend((uint8*)hdr, sizeof(*hdr)); |
623 | | bufferSize += sizeof(*hdr); |
624 | | |
625 | | if (packetSize) |
626 | | { |
627 | | memcpy(&sendBuffer[bufferSize], packet->contents(), packetSize); |
628 | | bufferSize += packetSize; |
629 | | } |
630 | | |
631 | | ///- Send the header and body to the client |
632 | | delete packet; |
633 | | } |
634 | | |
635 | | // send merged packets |
636 | | if (bufferSize) TcpSocket::SendBuf((char*)sendBuffer, bufferSize); |
637 | | // send too big non-merged packet |
638 | | if (haveBigPacket) SendSinglePacket(); |
639 | | } |
640 | | } |
641 | | |
642 | | /// Handle the authentication waiting queue (to be completed) |
643 | | void WorldSocket::SendAuthWaitQue(uint32 position) |
644 | | { |
645 | | if(position == 0) |
646 | | { |
647 | | WorldPacket packet( SMSG_AUTH_RESPONSE, 1 ); |
648 | | packet << uint8( AUTH_OK ); |
649 | | SendPacket(&packet); |
650 | | } |
651 | | else |
652 | | { |
653 | | WorldPacket packet( SMSG_AUTH_RESPONSE, 5 ); |
654 | | packet << uint8( AUTH_WAIT_QUEUE ); |
655 | | packet << uint32 (position); //amount of players in queue |
656 | | SendPacket(&packet); |
657 | | } |
658 | | } |
659 | | |
660 | | void WorldSocket::SizeError(WorldPacket const& packet, uint32 size) const |
661 | | { |
662 | | sLog.outError("Client send packet %s (%u) with size %u but expected %u (attempt crash server?), skipped", |
663 | | LookupOpcodeName(packet.GetOpcode()),packet.GetOpcode(),packet.size(),size); |
664 | | } |
| 1078 | |
| 1079 | break; |
| 1080 | } |
| 1081 | else |
| 1082 | { |
| 1083 | haveone = true; |
| 1084 | delete pct; |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | return haveone; |
| 1089 | } |