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00012 #ifdef ENABLE_NETWORK
00013
00014 #include "../stdafx.h"
00015 #include "../debug.h"
00016 #include "network_internal.h"
00017 #include "network_gui.h"
00018 #include "../saveload/saveload.h"
00019 #include "../command_func.h"
00020 #include "../console_func.h"
00021 #include "../fileio_func.h"
00022 #include "../3rdparty/md5/md5.h"
00023 #include "../strings_func.h"
00024 #include "../window_func.h"
00025 #include "../company_func.h"
00026 #include "../company_base.h"
00027 #include "../company_gui.h"
00028 #include "../rev.h"
00029 #include "network.h"
00030 #include "network_base.h"
00031
00032 #include "table/strings.h"
00033
00034
00035
00036
00037
00038 #define MY_CLIENT NetworkClientSocket::Get(0)
00039
00040 static uint32 last_ack_frame;
00041
00043 static uint32 _password_game_seed;
00045 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00046
00048 static uint8 _network_server_max_companies;
00050 static uint8 _network_server_max_spectators;
00051
00053 CompanyID _network_join_as;
00054
00056 const char *_network_join_server_password = NULL;
00058 const char *_network_join_company_password = NULL;
00059
00061 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00062
00068 static const char *GenerateCompanyPasswordHash(const char *password)
00069 {
00070 if (StrEmpty(password)) return password;
00071
00072 char salted_password[NETWORK_SERVER_ID_LENGTH];
00073
00074 memset(salted_password, 0, sizeof(salted_password));
00075 snprintf(salted_password, sizeof(salted_password), "%s", password);
00076
00077 for (uint i = 0; i < NETWORK_SERVER_ID_LENGTH - 1; i++) salted_password[i] ^= _password_server_id[i] ^ (_password_game_seed >> i);
00078
00079 Md5 checksum;
00080 uint8 digest[16];
00081 static char hashed_password[NETWORK_SERVER_ID_LENGTH];
00082
00083
00084 checksum.Append((const uint8*)salted_password, sizeof(salted_password) - 1);
00085 checksum.Finish(digest);
00086
00087 for (int di = 0; di < 16; di++) sprintf(hashed_password + di * 2, "%02x", digest[di]);
00088 hashed_password[lengthof(hashed_password) - 1] = '\0';
00089
00090 return hashed_password;
00091 }
00092
00096 void HashCurrentCompanyPassword(const char *password)
00097 {
00098 _password_game_seed = _settings_game.game_creation.generation_seed;
00099 strecpy(_password_server_id, _settings_client.network.network_id, lastof(_password_server_id));
00100
00101 const char *new_pw = GenerateCompanyPasswordHash(password);
00102 strecpy(_network_company_states[_local_company].password, new_pw, lastof(_network_company_states[_local_company].password));
00103
00104 if (_network_server) {
00105 NetworkServerUpdateCompanyPassworded(_local_company, !StrEmpty(_network_company_states[_local_company].password));
00106 }
00107 }
00108
00109
00110
00111
00112
00113
00114
00115 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00116 {
00117
00118
00119
00120
00121
00122
00123 Packet *p;
00124 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00125 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00126
00127 p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00128 MY_CLIENT->Send_Packet(p);
00129 return NETWORK_RECV_STATUS_OKAY;
00130 }
00131
00132 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
00133 {
00134
00135
00136
00137
00138
00139
00140
00141
00142
00143
00144 Packet *p;
00145 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00146 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00147
00148 p = new Packet(PACKET_CLIENT_JOIN);
00149 p->Send_string(_openttd_revision);
00150 p->Send_string(_settings_client.network.client_name);
00151 p->Send_uint8 (_network_join_as);
00152 p->Send_uint8 (NETLANG_ANY);
00153 MY_CLIENT->Send_Packet(p);
00154 return NETWORK_RECV_STATUS_OKAY;
00155 }
00156
00157 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00158 {
00159
00160
00161
00162
00163
00164
00165 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00166 MY_CLIENT->Send_Packet(p);
00167 return NETWORK_RECV_STATUS_OKAY;
00168 }
00169
00170 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_GAME_PASSWORD)(const char *password)
00171 {
00172
00173
00174
00175
00176
00177
00178
00179 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00180 p->Send_string(password);
00181 MY_CLIENT->Send_Packet(p);
00182 return NETWORK_RECV_STATUS_OKAY;
00183 }
00184
00185 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMPANY_PASSWORD)(const char *password)
00186 {
00187
00188
00189
00190
00191
00192
00193
00194 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00195 p->Send_string(GenerateCompanyPasswordHash(password));
00196 MY_CLIENT->Send_Packet(p);
00197 return NETWORK_RECV_STATUS_OKAY;
00198 }
00199
00200 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00201 {
00202
00203
00204
00205
00206
00207
00208
00209 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00210
00211
00212
00213
00214
00215
00216 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00217 MY_CLIENT->Send_Packet(p);
00218 return NETWORK_RECV_STATUS_OKAY;
00219 }
00220
00221 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00222 {
00223
00224
00225
00226
00227
00228
00229
00230 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00231 MY_CLIENT->Send_Packet(p);
00232 return NETWORK_RECV_STATUS_OKAY;
00233 }
00234
00235 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00236 {
00237
00238
00239
00240
00241
00242
00243
00244 Packet *p = new Packet(PACKET_CLIENT_ACK);
00245
00246 p->Send_uint32(_frame_counter);
00247 MY_CLIENT->Send_Packet(p);
00248 return NETWORK_RECV_STATUS_OKAY;
00249 }
00250
00251
00252 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00253 {
00254
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266
00267 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00268 MY_CLIENT->Send_Command(p, cp);
00269
00270 MY_CLIENT->Send_Packet(p);
00271 return NETWORK_RECV_STATUS_OKAY;
00272 }
00273
00274
00275 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00276 {
00277
00278
00279
00280
00281
00282
00283
00284
00285
00286
00287
00288 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00289
00290 p->Send_uint8 (action);
00291 p->Send_uint8 (type);
00292 p->Send_uint32(dest);
00293 p->Send_string(msg);
00294 p->Send_uint64(data);
00295
00296 MY_CLIENT->Send_Packet(p);
00297 return NETWORK_RECV_STATUS_OKAY;
00298 }
00299
00300
00301 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00302 {
00303
00304
00305
00306
00307
00308
00309 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00310
00311 p->Send_uint8(errorno);
00312 MY_CLIENT->Send_Packet(p);
00313 return NETWORK_RECV_STATUS_OKAY;
00314 }
00315
00316 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00317 {
00318
00319
00320
00321
00322
00323
00324 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00325
00326 p->Send_string(GenerateCompanyPasswordHash(password));
00327 MY_CLIENT->Send_Packet(p);
00328 return NETWORK_RECV_STATUS_OKAY;
00329 }
00330
00331 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00332 {
00333
00334
00335
00336
00337
00338
00339 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00340
00341 p->Send_string(name);
00342 MY_CLIENT->Send_Packet(p);
00343 return NETWORK_RECV_STATUS_OKAY;
00344 }
00345
00346
00347 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00348 {
00349
00350
00351
00352
00353
00354 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00355
00356 MY_CLIENT->Send_Packet(p);
00357 return NETWORK_RECV_STATUS_OKAY;
00358 }
00359
00360 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00361 {
00362 Packet *p = new Packet(PACKET_CLIENT_RCON);
00363 p->Send_string(pass);
00364 p->Send_string(command);
00365 MY_CLIENT->Send_Packet(p);
00366 return NETWORK_RECV_STATUS_OKAY;
00367 }
00368
00369 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00370 {
00371 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00372 p->Send_uint8(company);
00373 p->Send_string(GenerateCompanyPasswordHash(pass));
00374 MY_CLIENT->Send_Packet(p);
00375 return NETWORK_RECV_STATUS_OKAY;
00376 }
00377
00378
00379
00380
00381
00382
00383
00384 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00385 extern StringID _switch_mode_errorstr;
00386
00387 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00388 {
00389
00390 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00391 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00392
00393 return NETWORK_RECV_STATUS_SERVER_FULL;
00394 }
00395
00396 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00397 {
00398
00399 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00400 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00401
00402 return NETWORK_RECV_STATUS_SERVER_BANNED;
00403 }
00404
00405 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00406 {
00407 byte company_info_version = p->Recv_uint8();
00408
00409 if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00410
00411 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00412
00413 CompanyID current = (Owner)p->Recv_uint8();
00414 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00415
00416 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00417 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00418
00419 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00420 company_info->inaugurated_year = p->Recv_uint32();
00421 company_info->company_value = p->Recv_uint64();
00422 company_info->money = p->Recv_uint64();
00423 company_info->income = p->Recv_uint64();
00424 company_info->performance = p->Recv_uint16();
00425 company_info->use_password = p->Recv_bool();
00426 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00427 company_info->num_vehicle[i] = p->Recv_uint16();
00428 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00429 company_info->num_station[i] = p->Recv_uint16();
00430 company_info->ai = p->Recv_bool();
00431
00432 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00433
00434 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00435
00436 return NETWORK_RECV_STATUS_OKAY;
00437 }
00438
00439 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00440 }
00441
00442
00443
00444
00445 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00446 {
00447 NetworkClientInfo *ci;
00448 ClientID client_id = (ClientID)p->Recv_uint32();
00449 CompanyID playas = (CompanyID)p->Recv_uint8();
00450 char name[NETWORK_NAME_LENGTH];
00451
00452 p->Recv_string(name, sizeof(name));
00453
00454 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00455
00456 ci = NetworkFindClientInfoFromClientID(client_id);
00457 if (ci != NULL) {
00458 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00459
00460 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00461 } else if (playas != ci->client_playas) {
00462
00463
00464 }
00465
00466
00467
00468 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00469
00470 ci->client_playas = playas;
00471 strecpy(ci->client_name, name, lastof(ci->client_name));
00472
00473 SetWindowDirty(WC_CLIENT_LIST, 0);
00474
00475 return NETWORK_RECV_STATUS_OKAY;
00476 }
00477
00478
00479 ci = new NetworkClientInfo(client_id);
00480 ci->client_playas = playas;
00481 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00482
00483 strecpy(ci->client_name, name, lastof(ci->client_name));
00484
00485 SetWindowDirty(WC_CLIENT_LIST, 0);
00486
00487 return NETWORK_RECV_STATUS_OKAY;
00488 }
00489
00490 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00491 {
00492 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00493
00494 switch (error) {
00495
00496 case NETWORK_ERROR_NOT_AUTHORIZED:
00497 case NETWORK_ERROR_NOT_EXPECTED:
00498 case NETWORK_ERROR_COMPANY_MISMATCH:
00499 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00500 break;
00501 case NETWORK_ERROR_FULL:
00502 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00503 break;
00504 case NETWORK_ERROR_WRONG_REVISION:
00505 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00506 break;
00507 case NETWORK_ERROR_WRONG_PASSWORD:
00508 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00509 break;
00510 case NETWORK_ERROR_KICKED:
00511 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00512 break;
00513 case NETWORK_ERROR_CHEATER:
00514 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00515 break;
00516 default:
00517 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00518 }
00519
00520 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00521
00522 return NETWORK_RECV_STATUS_SERVER_ERROR;
00523 }
00524
00525 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00526 {
00527 uint grf_count = p->Recv_uint8();
00528 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00529
00530
00531 for (; grf_count > 0; grf_count--) {
00532 GRFConfig c;
00533 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00534
00535
00536 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00537 if (f == NULL) {
00538
00539 char buf[sizeof(c.md5sum) * 2 + 1];
00540 md5sumToString(buf, lastof(buf), c.md5sum);
00541 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00542 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00543 }
00544 }
00545
00546 if (ret == NETWORK_RECV_STATUS_OKAY) {
00547
00548 return SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00549 }
00550
00551
00552 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00553 return ret;
00554 }
00555
00556 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)
00557 {
00558 const char *password = _network_join_server_password;
00559 if (!StrEmpty(password)) {
00560 return SEND_COMMAND(PACKET_CLIENT_GAME_PASSWORD)(password);
00561 }
00562
00563 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00564
00565 return NETWORK_RECV_STATUS_OKAY;
00566 }
00567
00568 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)
00569 {
00570 _password_game_seed = p->Recv_uint32();
00571 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00572 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00573
00574 const char *password = _network_join_company_password;
00575 if (!StrEmpty(password)) {
00576 return SEND_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)(password);
00577 }
00578
00579 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00580
00581 return NETWORK_RECV_STATUS_OKAY;
00582 }
00583
00584 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00585 {
00586 _network_own_client_id = (ClientID)p->Recv_uint32();
00587
00588
00589 _password_game_seed = p->Recv_uint32();
00590 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00591
00592
00593 return SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00594 }
00595
00596 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00597 {
00598 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00599 _network_join_waiting = p->Recv_uint8();
00600 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00601
00602
00603 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00604 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00605
00606 return NETWORK_RECV_STATUS_OKAY;
00607 }
00608
00609 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00610 {
00611 static FILE *file_pointer;
00612
00613 byte maptype;
00614
00615 maptype = p->Recv_uint8();
00616
00617 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00618
00619
00620 if (maptype == MAP_PACKET_START) {
00621 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);
00622 if (file_pointer == NULL) {
00623 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00624 return NETWORK_RECV_STATUS_SAVEGAME;
00625 }
00626
00627 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00628
00629 _network_join_bytes = 0;
00630 _network_join_bytes_total = p->Recv_uint32();
00631
00632
00633
00634
00635
00636
00637 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00638 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00639
00640 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00641 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00642
00643
00644 return NETWORK_RECV_STATUS_OKAY;
00645 }
00646
00647 if (maptype == MAP_PACKET_NORMAL) {
00648
00649 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00650 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00651 return NETWORK_RECV_STATUS_SAVEGAME;
00652 }
00653
00654 _network_join_bytes = ftell(file_pointer);
00655 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00656 }
00657
00658
00659 if (maptype == MAP_PACKET_END) {
00660 fclose(file_pointer);
00661
00662 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00663 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00664
00665
00666 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00667 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00668 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00669 return NETWORK_RECV_STATUS_SAVEGAME;
00670 }
00671
00672
00673
00674
00675 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00676
00677
00678
00679 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00680 SetLocalCompany(COMPANY_SPECTATOR);
00681
00682 if (_network_join_as != COMPANY_SPECTATOR) {
00683
00684
00685 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00686 ShowJoinStatusWindow();
00687 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00688 }
00689 } else {
00690
00691 SetLocalCompany(_network_join_as);
00692 }
00693 }
00694
00695 return NETWORK_RECV_STATUS_OKAY;
00696 }
00697
00698 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00699 {
00700 _frame_counter_server = p->Recv_uint32();
00701 _frame_counter_max = p->Recv_uint32();
00702 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00703
00704
00705 if (p->pos < p->size) {
00706 _sync_frame = _frame_counter_server;
00707 _sync_seed_1 = p->Recv_uint32();
00708 #ifdef NETWORK_SEND_DOUBLE_SEED
00709 _sync_seed_2 = p->Recv_uint32();
00710 #endif
00711 }
00712 #endif
00713 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00714
00715
00716
00717 if (!_network_first_time && last_ack_frame < _frame_counter) {
00718 last_ack_frame = _frame_counter + DAY_TICKS;
00719 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00720 SEND_COMMAND(PACKET_CLIENT_ACK)();
00721 }
00722
00723 return NETWORK_RECV_STATUS_OKAY;
00724 }
00725
00726 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00727 {
00728 _sync_frame = p->Recv_uint32();
00729 _sync_seed_1 = p->Recv_uint32();
00730 #ifdef NETWORK_SEND_DOUBLE_SEED
00731 _sync_seed_2 = p->Recv_uint32();
00732 #endif
00733
00734 return NETWORK_RECV_STATUS_OKAY;
00735 }
00736
00737 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00738 {
00739 CommandPacket cp;
00740 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00741 cp.frame = p->Recv_uint32();
00742 cp.my_cmd = p->Recv_bool();
00743 cp.next = NULL;
00744
00745 if (err != NULL) {
00746 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00747 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00748 }
00749
00750
00751
00752 NetworkAddCommandQueue(cp);
00753
00754 return NETWORK_RECV_STATUS_OKAY;
00755 }
00756
00757 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00758 {
00759 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00760 const NetworkClientInfo *ci = NULL, *ci_to;
00761
00762 NetworkAction action = (NetworkAction)p->Recv_uint8();
00763 ClientID client_id = (ClientID)p->Recv_uint32();
00764 bool self_send = p->Recv_bool();
00765 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00766 int64 data = p->Recv_uint64();
00767
00768 ci_to = NetworkFindClientInfoFromClientID(client_id);
00769 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00770
00771
00772 if (self_send) {
00773 switch (action) {
00774 case NETWORK_ACTION_CHAT_CLIENT:
00775
00776 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00777 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00778 break;
00779
00780
00781 case NETWORK_ACTION_GIVE_MONEY:
00782 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00783
00784 case NETWORK_ACTION_CHAT_COMPANY: {
00785 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00786 SetDParam(0, ci_to->client_playas);
00787
00788 GetString(name, str, lastof(name));
00789 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00790 } break;
00791
00792 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00793 }
00794 } else {
00795
00796 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00797 ci = ci_to;
00798 }
00799
00800 if (ci != NULL) {
00801 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00802 }
00803 return NETWORK_RECV_STATUS_OKAY;
00804 }
00805
00806 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00807 {
00808 ClientID client_id = (ClientID)p->Recv_uint32();
00809
00810 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00811 if (ci != NULL) {
00812 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00813 delete ci;
00814 }
00815
00816 SetWindowDirty(WC_CLIENT_LIST, 0);
00817
00818 return NETWORK_RECV_STATUS_OKAY;
00819 }
00820
00821 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00822 {
00823 NetworkClientInfo *ci;
00824
00825 ClientID client_id = (ClientID)p->Recv_uint32();
00826
00827 ci = NetworkFindClientInfoFromClientID(client_id);
00828 if (ci != NULL) {
00829 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00830 delete ci;
00831 } else {
00832 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00833 }
00834
00835 SetWindowDirty(WC_CLIENT_LIST, 0);
00836
00837
00838 return NETWORK_RECV_STATUS_OKAY;
00839 }
00840
00841 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00842 {
00843 ClientID client_id = (ClientID)p->Recv_uint32();
00844
00845 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00846 if (ci != NULL) {
00847 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00848 }
00849
00850 SetWindowDirty(WC_CLIENT_LIST, 0);
00851
00852 return NETWORK_RECV_STATUS_OKAY;
00853 }
00854
00855 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00856 {
00857 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
00858
00859 return NETWORK_RECV_STATUS_SERVER_ERROR;
00860 }
00861
00862 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00863 {
00864
00865
00866
00867
00868 _network_reconnect = min(_local_company + 1, 10);
00869 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
00870
00871 return NETWORK_RECV_STATUS_SERVER_ERROR;
00872 }
00873
00874 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00875 {
00876 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00877
00878 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00879 p->Recv_string(rcon_out, sizeof(rcon_out));
00880
00881 IConsolePrint(colour_code, rcon_out);
00882
00883 return NETWORK_RECV_STATUS_OKAY;
00884 }
00885
00886 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00887 {
00888
00889 ClientID client_id = (ClientID)p->Recv_uint32();
00890 CompanyID company_id = (CompanyID)p->Recv_uint8();
00891
00892 if (client_id == 0) {
00893
00894 DEBUG(net, 0, "[move] received invalid client index = 0");
00895 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00896 }
00897
00898 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00899
00900 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00901
00902
00903 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
00904
00905 if (client_id == _network_own_client_id) {
00906 SetLocalCompany(company_id);
00907 }
00908
00909 return NETWORK_RECV_STATUS_OKAY;
00910 }
00911
00912 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00913 {
00914 _network_server_max_companies = p->Recv_uint8();
00915 _network_server_max_spectators = p->Recv_uint8();
00916
00917 return NETWORK_RECV_STATUS_OKAY;
00918 }
00919
00920 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00921 {
00922 _network_company_passworded = p->Recv_uint16();
00923 SetWindowClassesDirty(WC_COMPANY);
00924
00925 return NETWORK_RECV_STATUS_OKAY;
00926 }
00927
00928
00929
00930 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00931
00932
00933
00934
00935
00936 static NetworkClientPacket * const _network_client_packet[] = {
00937 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00938 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00939 NULL,
00940 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00941 NULL,
00942 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00943 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00944 RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD),
00945 RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD),
00946 NULL,
00947 NULL,
00948 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00949 NULL,
00950 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00951 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00952 NULL,
00953 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00954 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00955 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00956 NULL,
00957 NULL,
00958 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00959 NULL,
00960 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00961 NULL,
00962 NULL,
00963 NULL,
00964 NULL,
00965 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00966 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00967 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00968 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00969 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00970 NULL,
00971 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00972 NULL,
00973 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00974 NULL,
00975 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00976 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00977 };
00978
00979
00980 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00981
00982
00983 void NetworkClient_Connected()
00984 {
00985
00986 _frame_counter = 0;
00987 _frame_counter_server = 0;
00988 last_ack_frame = 0;
00989
00990 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00991 }
00992
00993
00994 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00995 {
00996 Packet *p;
00997 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
00998
00999 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01000 byte type = p->Recv_uint8();
01001 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
01002 res = _network_client_packet[type](p);
01003 } else {
01004 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01005 DEBUG(net, 0, "[client] received invalid packet type %d", type);
01006 }
01007
01008 delete p;
01009 }
01010
01011 return res;
01012 }
01013
01014 void NetworkClientSendRcon(const char *password, const char *command)
01015 {
01016 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
01017 }
01018
01025 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01026 {
01027 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
01028 }
01029
01030 void NetworkClientsToSpectators(CompanyID cid)
01031 {
01032
01033 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01034
01035 NetworkClientInfo *ci;
01036 FOR_ALL_CLIENT_INFOS(ci) {
01037 if (ci->client_playas != cid) continue;
01038 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01039 ci->client_playas = COMPANY_SPECTATOR;
01040 }
01041 }
01042
01043 void NetworkUpdateClientName()
01044 {
01045 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
01046
01047 if (ci == NULL) return;
01048
01049
01050 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01051 if (!_network_server) {
01052 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
01053 } else {
01054 if (NetworkFindName(_settings_client.network.client_name)) {
01055 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01056 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01057 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01058 }
01059 }
01060 }
01061 }
01062
01063 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01064 {
01065 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
01066 }
01067
01068 static void NetworkClientSetPassword(const char *password)
01069 {
01070 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
01071 }
01072
01078 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01079 {
01080
01081 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01082
01083 const NetworkClientInfo *ci;
01084 FOR_ALL_CLIENT_INFOS(ci) {
01085 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01086 }
01087
01088 return false;
01089 }
01090
01096 const char *NetworkChangeCompanyPassword(const char *password)
01097 {
01098 if (strcmp(password, "*") == 0) password = "";
01099
01100 if (!_network_server) {
01101 NetworkClientSetPassword(password);
01102 } else {
01103 HashCurrentCompanyPassword(password);
01104 }
01105
01106 return password;
01107 }
01108
01113 bool NetworkMaxCompaniesReached()
01114 {
01115 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01116 }
01117
01122 bool NetworkMaxSpectatorsReached()
01123 {
01124 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01125 }
01126
01130 void NetworkPrintClients()
01131 {
01132 NetworkClientInfo *ci;
01133 FOR_ALL_CLIENT_INFOS(ci) {
01134 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01135 ci->client_id,
01136 ci->client_name,
01137 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01138 GetClientIP(ci));
01139 }
01140 }
01141
01142 #endif