/* Starshatter OpenSource Distribution Copyright (c) 1997-2004, Destroyer Studios LLC. All Rights Reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name "Destroyer Studios" nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. SUBSYSTEM: Stars FILE: NetServerConfig.cpp AUTHOR: John DiCamillo */ #include "MemDebug.h" #include "NetServerConfig.h" #include "NetUser.h" #include "NetLayer.h" #include "NetAddr.h" #include "NetGame.h" #include "NetHost.h" #include "NetServer.h" #include "HttpServer.h" #include "HttpServletExec.h" #include "NetLobbyServer.h" #include "NetAuth.h" #include "Token.h" #include "Game.h" #include "DataLoader.h" #include "ParseUtil.h" #include "resource.h" // +--------------------------------------------------------------------+ NetServerConfig* NetServerConfig::instance = 0; extern const char* versionInfo; // +--------------------------------------------------------------------+ NetServerConfig::NetServerConfig() { instance = this; hostname = "0.0.0.0"; name = "Starshatter "; admin_name = "system"; admin_pass = "manager"; admin_port = 11111; lobby_port = 11100; game_port = 11101; game_type = NET_GAME_PUBLIC; auth_level = NetAuth::NET_AUTH_STANDARD; poolsize = 8; session_timeout = 300; name += versionInfo; Load(); } NetServerConfig::~NetServerConfig() { instance = 0; banned_addrs.destroy(); banned_names.destroy(); } // +--------------------------------------------------------------------+ void NetServerConfig::Initialize() { if (!instance) instance = new(__FILE__,__LINE__) NetServerConfig(); } void NetServerConfig::Close() { delete instance; instance = 0; } // +--------------------------------------------------------------------+ void NetServerConfig::Load() { // read the config file: BYTE* block = 0; int blocklen = 0; int port = 0; char filename[64]; strcpy_s(filename, "server.cfg"); FILE* f; ::fopen_s(&f, filename, "rb"); if (f) { ::fseek(f, 0, SEEK_END); blocklen = ftell(f); ::fseek(f, 0, SEEK_SET); block = new(__FILE__,__LINE__) BYTE[blocklen+1]; block[blocklen] = 0; ::fread(block, blocklen, 1, f); ::fclose(f); } if (blocklen == 0) { delete [] block; return; } Parser parser(new(__FILE__,__LINE__) BlockReader((const char*) block, blocklen)); Term* term = parser.ParseTerm(); if (!term) { Print("ERROR: could not parse '%s'.\n", filename); delete [] block; return; } else { TermText* file_type = term->isText(); if (!file_type || file_type->value() != "SERVER_CONFIG") { Print("WARNING: invalid '%s' file. Using defaults\n", filename); delete [] block; return; } } do { delete term; term = parser.ParseTerm(); if (term) { TermDef* def = term->isDef(); if (def) { if (def->name()->value() == "hostname") { GetDefText(instance->hostname, def, filename); } else if (def->name()->value() == "name") { GetDefText(instance->name, def, filename); } else if (def->name()->value() == "admin_name") { GetDefText(instance->admin_name, def, filename); } else if (def->name()->value() == "admin_pass") { GetDefText(instance->admin_pass, def, filename); } else if (def->name()->value() == "game_pass") { GetDefText(instance->game_pass, def, filename); } else if (def->name()->value() == "mission") { GetDefText(instance->mission, def, filename); } else if (def->name()->value() == "auth_level") { Text level; if (def->term() && def->term()->isText()) { GetDefText(level, def, filename); level.toLower(); if (level.indexOf("min") == 0) instance->auth_level = NetAuth::NET_AUTH_MINIMAL; else if (level == "standard" || level == "std") instance->auth_level = NetAuth::NET_AUTH_STANDARD; else if (level == "secure") instance->auth_level = NetAuth::NET_AUTH_SECURE; } else { GetDefNumber(instance->auth_level, def, filename); } } else if (def->name()->value() == "admin_port") { GetDefNumber(port, def, filename); if (port > 1024 && port < 48000) instance->admin_port = (WORD) port; } else if (def->name()->value() == "lobby_port") { GetDefNumber(port, def, filename); if (port > 1024 && port < 48000) instance->lobby_port = (WORD) port; } else if (def->name()->value() == "game_port") { GetDefNumber(port, def, filename); if (port > 1024 && port < 48000) instance->game_port = (WORD) port; } else if (def->name()->value() == "game_type") { Text type; GetDefText(type, def, filename); type.setSensitive(false); if (type == "LAN") instance->game_type = NET_GAME_LAN; else if (type == "private") instance->game_type = NET_GAME_PRIVATE; else instance->game_type = NET_GAME_PUBLIC; } else if (def->name()->value() == "poolsize") { GetDefNumber(instance->poolsize, def, filename); } else if (def->name()->value() == "session_timeout") { GetDefNumber(instance->session_timeout, def, filename); } else Print("WARNING: unknown label '%s' in '%s'\n", def->name()->value().data(), filename); } else { Print("WARNING: term ignored in '%s'\n", filename); term->print(); } } } while (term); delete [] block; LoadBanList(); } // +--------------------------------------------------------------------+ void NetServerConfig::Save() { FILE* f; fopen_s(&f, "server.cfg", "wb"); if (f) { fprintf(f, "SERVER_CONFIG\n\n"); fprintf(f, "hostname: \"%s\"\n", instance->hostname.data()); fprintf(f, "name: \"%s\"\n", instance->name.data()); fprintf(f, "admin_name: \"%s\"\n", instance->admin_name.data()); fprintf(f, "admin_pass: \"%s\"\n", instance->admin_pass.data()); fprintf(f, "game_pass: \"%s\"\n", instance->game_pass.data()); fprintf(f, "\n"); fprintf(f, "admin_port: %d\n", instance->admin_port); fprintf(f, "lobby_port: %d\n", instance->lobby_port); fprintf(f, "game_port: %d\n", instance->game_port); switch (instance->game_type) { case NET_GAME_LAN: fprintf(f, "game_type: LAN\n"); break; case NET_GAME_PRIVATE: fprintf(f, "game_type: private\n"); break; case NET_GAME_PUBLIC: default: fprintf(f, "game_type: public\n"); break; } switch (instance->auth_level) { case NetAuth::NET_AUTH_MINIMAL: fprintf(f, "auth_level: minimal\n"); break; case NetAuth::NET_AUTH_STANDARD: default: fprintf(f, "auth_level: standard\n"); break; case NetAuth::NET_AUTH_SECURE: fprintf(f, "auth_level: secure\n"); break; } fprintf(f, "\n"); fprintf(f, "poolsize: %d\n", instance->poolsize); fprintf(f, "session_timeout: %d\n", instance->session_timeout); if (mission.length() > 0) { fprintf(f, "\nmission: \"%s\"\n", instance->mission.data()); } fclose(f); } } // +--------------------------------------------------------------------+ Text NetServerConfig::Clean(const char* s) { if (!s || !*s) return Text(); int len = strlen(s); char* buff = new(__FILE__,__LINE__) char[len+1]; ZeroMemory(buff, len+1); char* p = buff; for (int i = 0; i < len; i++) { char c = s[i]; if (c >= 32 && c < 127) *p++ = c; } Text result(buff); delete [] buff; return result; } // +--------------------------------------------------------------------+ void NetServerConfig::LoadBanList() { // read the config file: BYTE* block = 0; int blocklen = 0; int port = 0; char filename[64]; strcpy_s(filename, "banned.cfg"); FILE* f; ::fopen_s(&f, filename, "rb"); if (f) { ::fseek(f, 0, SEEK_END); blocklen = ftell(f); ::fseek(f, 0, SEEK_SET); block = new(__FILE__,__LINE__) BYTE[blocklen+1]; block[blocklen] = 0; ::fread(block, blocklen, 1, f); ::fclose(f); } if (blocklen == 0) { delete [] block; return; } Parser parser(new(__FILE__,__LINE__) BlockReader((const char*) block, blocklen)); Term* term = parser.ParseTerm(); if (!term) { Print("ERROR: could not parse '%s'.\n", filename); delete [] block; return; } else { TermText* file_type = term->isText(); if (!file_type || file_type->value() != "BANNED_CONFIG") { Print("WARNING: invalid '%s' file.\n", filename); delete [] block; return; } } banned_addrs.destroy(); banned_names.destroy(); do { delete term; term = parser.ParseTerm(); if (term) { TermDef* def = term->isDef(); if (def) { if (def->name()->value() == "name") { Text name; GetDefText(name, def, filename); banned_names.append(new(__FILE__,__LINE__) Text(name)); } else if (def->name()->value() == "addr") { DWORD addr; GetDefNumber(addr, def, filename); banned_addrs.append(new(__FILE__,__LINE__) NetAddr(addr)); } } else { Print("WARNING: term ignored in '%s'\n", filename); term->print(); } } } while (term); delete [] block; } void NetServerConfig::BanUser(NetUser* user) { if (!user || IsUserBanned(user)) return; NetAddr* user_addr = new(__FILE__,__LINE__) NetAddr(user->GetAddress().IPAddr()); Text* user_name = new(__FILE__,__LINE__) Text(user->Name()); banned_addrs.append(user_addr); banned_names.append(user_name); FILE* f; fopen_s(&f, "banned.cfg", "wb"); if (f) { fprintf(f, "BANNED_CONFIG\n\n"); ListIter a_iter = banned_addrs; while (++a_iter) { NetAddr* addr = a_iter.value(); fprintf(f, "addr: 0x%08x // %d.%d.%d.%d\n", addr->IPAddr(), addr->B1(), addr->B2(), addr->B3(), addr->B4()); } fprintf(f, "\n"); ListIter n_iter = banned_names; while (++n_iter) { Text* name = n_iter.value(); fprintf(f, "name: \"%s\"\n", name->data()); } fclose(f); } } bool NetServerConfig::IsUserBanned(NetUser* user) { if (user) { NetAddr user_addr = user->GetAddress(); Text user_name = user->Name(); user_addr.SetPort(0); return banned_addrs.contains(&user_addr) || banned_names.contains(&user_name); } return false; }