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88f0c90abab71baae0c3db2b2990d604494ede27
psopeeps-newserv/src/ProxyCommands.cc
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Martin Michelsen 88f0c90aba skip room unlock events in switch assist
2022-04-03 23:32:31 -07:00

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#include "ProxyServer.hh"
#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <event2/buffer.h>
#include <event2/bufferevent.h>
#include <event2/event.h>
#include <event2/listener.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <algorithm>
#include <iostream>
#include <phosg/Encoding.hh>
#include <phosg/Filesystem.hh>
#include <phosg/Network.hh>
#include <phosg/Random.hh>
#include <phosg/Strings.hh>
#include <phosg/Time.hh>
#include "PSOProtocol.hh"
#include "SendCommands.hh"
#include "ReceiveCommands.hh"
#include "ReceiveSubcommands.hh"
using namespace std;
static void forward_command(ProxyServer::LinkedSession& session, bool to_server,
uint16_t command, uint32_t flag, string& data) {
auto* bev = to_server ? session.server_bev.get() : session.client_bev.get();
if (!bev) {
session.log(WARNING, "No endpoint is present; dropping command");
} else {
// Note: we intentionally don't pass name_str here because we already
// printed the command before calling the handler
send_command(
bev,
session.version,
to_server ? session.server_output_crypt.get() : session.client_output_crypt.get(),
command,
flag,
data.data(),
data.size());
}
}
static void check_implemented_subcommand(uint64_t id, const string& data) {
if (data.size() < 4) {
log(WARNING, "[ProxyServer/%08" PRIX64 "] Received broadcast/target command with no contents", id);
} else {
if (!subcommand_is_implemented(data[0])) {
log(WARNING, "[ProxyServer/%08" PRIX64 "] Received subcommand %02hhX which is not implemented on the server",
id, data[0]);
}
}
}
// Command handlers. These are called to preprocess or react to specific
// commands in either direction. If they return true, the command (which the
// function may have modified) is forwarded to the other end; if they return
// false; it is not.
static bool process_default(shared_ptr<ServerState>,
ProxyServer::LinkedSession&, uint16_t, uint32_t, string&) {
return true;
}
static bool process_server_gc_9A(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string&) {
if (!session.license) {
return true;
}
C_LoginWithUnusedSpace_GC_9E cmd;
if (session.remote_guild_card_number == 0) {
cmd.player_tag = 0xFFFF0000;
cmd.guild_card_number = 0xFFFFFFFF;
} else {
cmd.player_tag = 0x00010000;
cmd.guild_card_number = session.remote_guild_card_number;
}
cmd.sub_version = session.sub_version;
cmd.unused2.data()[1] = 1;
cmd.serial_number = string_printf("%08" PRIX32 "", session.license->serial_number);
cmd.access_key = session.license->access_key;
cmd.serial_number2 = cmd.serial_number;
cmd.access_key2 = cmd.access_key;
cmd.name = session.character_name;
cmd.client_config.data = session.remote_client_config_data;
// If there's a guild card number, a shorter 9E is sent that ends
// right after the client config data
session.send_to_end(
true, 0x9E, 0x01, &cmd,
sizeof(C_LoginWithUnusedSpace_GC_9E) - (session.remote_guild_card_number ? sizeof(cmd.unused_space) : 0));
return false;
}
static bool process_server_pc_gc_patch_02_17(shared_ptr<ServerState> s,
ProxyServer::LinkedSession& session, uint16_t command, uint32_t flag, string& data) {
if (session.version == GameVersion::PATCH && command == 0x17) {
throw invalid_argument("patch server sent 17 server init");
}
// Most servers don't include after_message or have a shorter
// after_message than newserv does, so don't require it
const auto& cmd = check_size_t<S_ServerInit_DC_PC_GC_02_17>(data,
offsetof(S_ServerInit_DC_PC_GC_02_17, after_message),
sizeof(S_ServerInit_DC_PC_GC_02_17));
if (!session.license) {
session.log(INFO, "No license in linked session");
// We have to forward the command before setting up encryption, so the
// client will be able to understand it.
forward_command(session, false, command, flag, data);
if (session.version == GameVersion::GC) {
session.server_input_crypt.reset(new PSOGCEncryption(cmd.server_key));
session.server_output_crypt.reset(new PSOGCEncryption(cmd.client_key));
session.client_input_crypt.reset(new PSOGCEncryption(cmd.client_key));
session.client_output_crypt.reset(new PSOGCEncryption(cmd.server_key));
} else { // PC or patch server (they both use PC encryption)
session.server_input_crypt.reset(new PSOPCEncryption(cmd.server_key));
session.server_output_crypt.reset(new PSOPCEncryption(cmd.client_key));
session.client_input_crypt.reset(new PSOPCEncryption(cmd.client_key));
session.client_output_crypt.reset(new PSOPCEncryption(cmd.server_key));
}
return false;
}
session.log(INFO, "Existing license in linked session");
// This isn't forwarded to the client, so don't recreate the client's crypts
if (session.version == GameVersion::PATCH) {
throw logic_error("patch session is indirect");
} else if (session.version == GameVersion::PC) {
session.server_input_crypt.reset(new PSOPCEncryption(cmd.server_key));
session.server_output_crypt.reset(new PSOPCEncryption(cmd.client_key));
} else if (session.version == GameVersion::GC) {
session.server_input_crypt.reset(new PSOGCEncryption(cmd.server_key));
session.server_output_crypt.reset(new PSOGCEncryption(cmd.client_key));
} else {
throw invalid_argument("unsupported version");
}
// Respond with an appropriate login command. We don't let the
// client do this because it believes it already did (when it was
// in an unlinked session).
if (session.version == GameVersion::PC) {
C_Login_PC_9D cmd;
if (session.remote_guild_card_number == 0) {
cmd.player_tag = 0xFFFF0000;
cmd.guild_card_number = 0xFFFFFFFF;
} else {
cmd.player_tag = 0x00010000;
cmd.guild_card_number = session.remote_guild_card_number;
}
cmd.unused = 0xFFFFFFFFFFFF0000;
cmd.sub_version = session.sub_version;
cmd.unused2.data()[1] = 1;
cmd.serial_number = string_printf("%08" PRIX32 "",
session.license->serial_number);
cmd.access_key = session.license->access_key;
cmd.serial_number2 = cmd.serial_number;
cmd.access_key2 = cmd.access_key;
cmd.name = session.character_name;
session.send_to_end(true, 0x9D, 0x00, &cmd, sizeof(cmd));
return false;
} else if (session.version == GameVersion::GC) {
if (command == 0x17) {
C_VerifyLicense_GC_DB cmd;
cmd.serial_number = string_printf("%08" PRIX32 "",
session.license->serial_number);
cmd.access_key = session.license->access_key;
cmd.sub_version = session.sub_version;
cmd.serial_number2 = cmd.serial_number;
cmd.access_key2 = cmd.access_key;
cmd.password = session.license->gc_password;
session.send_to_end(true, 0xDB, 0x00, &cmd, sizeof(cmd));
return false;
} else {
// For command 02, send the same as if we had received 9A from the server
return process_server_gc_9A(s, session, command, flag, data);
}
} else {
throw logic_error("invalid game version in server init handler");
}
}
static bool process_server_dc_pc_gc_04(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
// Some servers send a short 04 command if they don't use all of the 0x20
// bytes available. We should be prepared to handle that.
auto& cmd = check_size_t<S_UpdateClientConfig_DC_PC_GC_04>(data,
offsetof(S_UpdateClientConfig_DC_PC_GC_04, cfg),
sizeof(S_UpdateClientConfig_DC_PC_GC_04));
// If this is a licensed session, hide the guild card number assigned by the
// remote server so the client doesn't see it change. If this is an unlicensed
// session, then the client never received a guild card number from newserv
// anyway, so we can let the client see the number from the remote server.
bool had_guild_card_number = (session.remote_guild_card_number != 0);
session.remote_guild_card_number = cmd.guild_card_number;
session.log(INFO, "Remote guild card number set to %" PRIX32,
session.remote_guild_card_number);
if (session.license) {
cmd.guild_card_number = session.license->serial_number;
}
// It seems the client ignores the length of the 04 command, and always copies
// 0x20 bytes to its config data. So if the server sends a short 04 command,
// part of the previous command ends up in the security data (usually part of
// the copyright string from the server init command). We simulate that here.
// If there was previously a guild card number, assume we got the lobby server
// init text instead of the port map init text.
memcpy(session.remote_client_config_data.data(),
had_guild_card_number
? "t Lobby Server. Copyright SEGA E"
: "t Port Map. Copyright SEGA Enter",
session.remote_client_config_data.bytes());
memcpy(session.remote_client_config_data.data(), &cmd.cfg,
min<size_t>(data.size() - sizeof(S_UpdateClientConfig_DC_PC_GC_04),
session.remote_client_config_data.bytes()));
// If the guild card number was not set, pretend (to the server) that this is
// the first 04 command the client has received. The client responds with a 96
// (checksum) in that case.
if (!had_guild_card_number) {
// We don't actually have a client checksum, of course... hopefully just
// random data will do (probably no private servers check this at all)
le_uint64_t checksum = random_object<uint64_t>() & 0x0000FFFFFFFFFFFF;
session.send_to_end(true, 0x96, 0x00, &checksum, sizeof(checksum));
}
return true;
}
static bool process_server_dc_pc_gc_06(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.license) {
auto& cmd = check_size_t<SC_TextHeader_01_06_11_B0>(data,
sizeof(SC_TextHeader_01_06_11_B0), 0xFFFF);
if (cmd.guild_card_number == session.remote_guild_card_number) {
cmd.guild_card_number = session.license->serial_number;
}
}
return true;
}
template <typename CmdT>
static bool process_server_41(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.license) {
auto& cmd = check_size_t<CmdT>(data);
if (cmd.searcher_guild_card_number == session.remote_guild_card_number) {
cmd.searcher_guild_card_number = session.license->serial_number;
}
if (cmd.result_guild_card_number == session.remote_guild_card_number) {
cmd.result_guild_card_number = session.license->serial_number;
}
}
return true;
}
template <typename CmdT>
static bool process_server_81(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.license) {
auto& cmd = check_size_t<CmdT>(data);
if (cmd.from_guild_card_number == session.remote_guild_card_number) {
cmd.from_guild_card_number = session.license->serial_number;
}
if (cmd.to_guild_card_number == session.remote_guild_card_number) {
cmd.to_guild_card_number = session.license->serial_number;
}
}
return true;
}
static bool process_server_88(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t flag, string& data) {
if (session.license) {
size_t expected_size = sizeof(S_ArrowUpdateEntry_88) * flag;
auto* entries = &check_size_t<S_ArrowUpdateEntry_88>(data,
expected_size, expected_size);
for (size_t x = 0; x < flag; x++) {
if (entries[x].guild_card_number == session.remote_guild_card_number) {
entries[x].guild_card_number = session.license->serial_number;
}
}
}
return true;
}
template <typename CmdT>
static bool process_server_C4(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t flag, string& data) {
if (session.license) {
size_t expected_size = sizeof(CmdT) * flag;
auto* entries = &check_size_t<CmdT>(data, expected_size, expected_size);
for (size_t x = 0; x < flag; x++) {
if (entries[x].guild_card_number == session.remote_guild_card_number) {
entries[x].guild_card_number = session.license->serial_number;
}
}
}
return true;
}
static bool process_server_gc_E4(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
auto& cmd = check_size_t<S_CardLobbyGame_GC_E4>(data);
for (size_t x = 0; x < 4; x++) {
if (cmd.entries[x].guild_card_number == session.remote_guild_card_number) {
cmd.entries[x].guild_card_number = session.license->serial_number;
}
}
return true;
}
static bool process_server_19(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
// This weird maximum size is here to properly handle the version-split
// command that some servers (including newserv) use on port 9100
auto& cmd = check_size_t<S_Reconnect_19>(data, sizeof(S_Reconnect_19), 0xB0);
memset(&session.next_destination, 0, sizeof(session.next_destination));
struct sockaddr_in* sin = reinterpret_cast<struct sockaddr_in*>(
&session.next_destination);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = cmd.address.load_raw();
sin->sin_port = htons(cmd.port);
if (!session.client_bev.get()) {
session.log(WARNING, "Received reconnect command with no destination present");
} else {
// If the client is on a virtual connection (fd < 0), only change
// the port (so we'll know which version to treat the next
// connection as). It's better to leave the address as-is so we
// can circumvent the Plus/Ep3 same-network-server check.
int fd = bufferevent_getfd(session.client_bev.get());
if (fd >= 0) {
struct sockaddr_storage sockname_ss;
socklen_t len = sizeof(sockname_ss);
getsockname(fd, reinterpret_cast<struct sockaddr*>(&sockname_ss), &len);
if (sockname_ss.ss_family != AF_INET) {
throw logic_error("existing connection is not ipv4");
}
struct sockaddr_in* sockname_sin = reinterpret_cast<struct sockaddr_in*>(
&sockname_ss);
cmd.address.store_raw(sockname_sin->sin_addr.s_addr);
cmd.port = ntohs(sockname_sin->sin_port);
} else {
cmd.port = session.local_port;
}
}
return true;
}
static bool process_server_gc_1A_D5(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string&) {
// If the client has the no-close-confirmation flag set in its
// newserv client config, send a fake confirmation to the remote
// server immediately.
if (session.newserv_client_config.flags & Client::Flag::NO_MESSAGE_BOX_CLOSE_CONFIRMATION) {
session.send_to_end(true, 0xD6, 0x00, "", 0);
}
return true;
}
static bool process_server_60_62_6C_6D_C9_CB(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
check_implemented_subcommand(session.id, data);
return true;
}
template <typename T>
static bool process_server_44_A6(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t command, uint32_t, string& data) {
if (session.save_files) {
const auto& cmd = check_size_t<S_OpenFile_PC_GC_44_A6>(data);
bool is_download_quest = (command == 0xA6);
string output_filename = string_printf("%s.%s.%" PRIu64,
cmd.filename.c_str(),
is_download_quest ? "download" : "online", now());
for (size_t x = 0; x < output_filename.size(); x++) {
if (output_filename[x] < 0x20 || output_filename[x] > 0x7E || output_filename[x] == '/') {
output_filename[x] = '_';
}
}
if (output_filename[0] == '.') {
output_filename[0] = '_';
}
ProxyServer::LinkedSession::SavingFile sf(
cmd.filename, output_filename, cmd.file_size);
session.saving_files.emplace(cmd.filename, move(sf));
session.log(INFO, "Opened file %s", output_filename.c_str());
}
return true;
}
static bool process_server_13_A7(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.save_files) {
const auto& cmd = check_size_t<S_WriteFile_13_A7>(data);
ProxyServer::LinkedSession::SavingFile* sf = nullptr;
try {
sf = &session.saving_files.at(cmd.filename);
} catch (const out_of_range&) {
session.log(WARNING, "Received data for non-open file %s", cmd.filename.c_str());
return true;
}
size_t bytes_to_write = cmd.data_size;
if (bytes_to_write > 0x400) {
session.log(WARNING, "Chunk data size is invalid; truncating to 0x400");
bytes_to_write = 0x400;
}
session.log(INFO, "Writing %zu bytes to %s", bytes_to_write, sf->output_filename.c_str());
fwritex(sf->f.get(), cmd.data, bytes_to_write);
if (bytes_to_write > sf->remaining_bytes) {
session.log(WARNING, "Chunk size extends beyond original file size; file may be truncated");
sf->remaining_bytes = 0;
} else {
sf->remaining_bytes -= bytes_to_write;
}
if (sf->remaining_bytes == 0) {
session.log(INFO, "File %s is complete", sf->output_filename.c_str());
session.saving_files.erase(cmd.filename);
}
}
return true;
}
static bool process_server_gc_B8(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.save_files) {
if (data.size() < 4) {
session.log(WARNING, "Card list data size is too small; skipping file");
return true;
}
StringReader r(data);
size_t size = r.get_u32l();
if (r.remaining() < size) {
session.log(WARNING, "Card list data size extends beyond end of command; skipping file");
return true;
}
string output_filename = string_printf("cardupdate.mnr.%" PRIu64, now());
save_file(output_filename, r.read(size));
session.log(INFO, "Wrote %zu bytes to %s", size, output_filename.c_str());
}
return true;
}
template <typename CmdT>
static bool process_server_65_67_68(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t command, uint32_t flag, string& data) {
if (command == 0x67) {
session.lobby_players.clear();
session.lobby_players.resize(12);
session.log(INFO, "Cleared lobby players");
// This command can cause the client to no longer send D6 responses when
// 1A/D5 large message boxes are closed. newserv keeps track of this
// behavior in the client config, so if it happens during a proxy session,
// update the client config that we'll restore if the client uses the change
// ship or change block command.
if (session.newserv_client_config.flags & Client::Flag::NO_MESSAGE_BOX_CLOSE_CONFIRMATION_AFTER_LOBBY_JOIN) {
session.newserv_client_config.flags |= Client::Flag::NO_MESSAGE_BOX_CLOSE_CONFIRMATION;
}
}
size_t expected_size = offsetof(CmdT, entries) + sizeof(typename CmdT::Entry) * flag;
auto& cmd = check_size_t<CmdT>(data, expected_size, expected_size);
session.lobby_client_id = cmd.client_id;
for (size_t x = 0; x < flag; x++) {
size_t index = cmd.entries[x].lobby_data.client_id;
if (index >= session.lobby_players.size()) {
session.log(WARNING, "Ignoring invalid player index %zu at position %zu", index, x);
} else {
if (session.license && (cmd.entries[x].lobby_data.guild_card == session.remote_guild_card_number)) {
cmd.entries[x].lobby_data.guild_card = session.license->serial_number;
}
session.lobby_players[index].guild_card_number = cmd.entries[x].lobby_data.guild_card;
ptext<char, 0x10> name = cmd.entries[x].disp.name;
session.lobby_players[index].name = name;
session.log(INFO, "Added lobby player: (%zu) %" PRIu32 " %s",
index,
session.lobby_players[index].guild_card_number,
session.lobby_players[index].name.c_str());
}
}
if (session.override_lobby_event >= 0) {
cmd.event = session.override_lobby_event;
}
if (session.override_lobby_number >= 0) {
cmd.lobby_number = session.override_lobby_number;
}
return true;
}
template <typename CmdT>
static bool process_server_64(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t flag, string& data) {
// We don't need to clear lobby_players here because we always
// overwrite all 4 entries for this command
session.lobby_players.resize(4);
session.log(INFO, "Cleared lobby players");
const size_t expected_size = session.sub_version >= 0x40
? sizeof(CmdT)
: offsetof(CmdT, players_ep3);
auto& cmd = check_size_t<CmdT>(data, expected_size, expected_size);
session.lobby_client_id = cmd.client_id;
for (size_t x = 0; x < flag; x++) {
if (cmd.lobby_data[x].guild_card == session.remote_guild_card_number) {
cmd.lobby_data[x].guild_card = session.license->serial_number;
}
session.lobby_players[x].guild_card_number = cmd.lobby_data[x].guild_card;
if (data.size() == sizeof(CmdT)) {
ptext<char, 0x10> name = cmd.players_ep3[x].disp.name;
session.lobby_players[x].name = name;
} else {
session.lobby_players[x].name.clear();
}
session.log(INFO, "Added lobby player: (%zu) %" PRIu32 " %s",
x,
session.lobby_players[x].guild_card_number,
session.lobby_players[x].name.c_str());
}
if (session.override_section_id >= 0) {
cmd.section_id = session.override_section_id;
}
if (session.override_lobby_event >= 0) {
cmd.event = session.override_lobby_event;
}
return true;
}
static bool process_server_66_69(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
const auto& cmd = check_size_t<S_LeaveLobby_66_69>(data);
size_t index = cmd.client_id;
if (index >= session.lobby_players.size()) {
session.log(WARNING, "Lobby leave command references missing position");
} else {
session.lobby_players[index].guild_card_number = 0;
session.lobby_players[index].name.clear();
session.log(INFO, "Removed lobby player (%zu)", index);
}
return true;
}
static bool process_client_06(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (data.size() >= 12) {
// If this chat message looks like a newserv chat command, suppress it
if (session.suppress_newserv_commands &&
(data[8] == '$' || (data[8] == '\t' && data[9] != 'C' && data[10] == '$'))) {
session.log(WARNING, "Chat message appears to be a server command; dropping it");
return false;
} else if (session.enable_chat_filter) {
add_color_inplace(data.data() + 8, data.size() - 8);
}
}
return true;
}
static bool process_client_40(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.license) {
auto& cmd = check_size_t<C_GuildCardSearch_40>(data);
if (cmd.searcher_guild_card_number == session.license->serial_number) {
cmd.searcher_guild_card_number = session.remote_guild_card_number;
}
if (cmd.target_guild_card_number == session.license->serial_number) {
cmd.target_guild_card_number = session.remote_guild_card_number;
}
}
return true;
}
template <typename CmdT>
static bool process_client_81(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
if (session.license) {
auto& cmd = check_size_t<SC_SimpleMail_GC_81>(data);
if (cmd.from_guild_card_number == session.license->serial_number) {
cmd.from_guild_card_number = session.remote_guild_card_number;
}
if (cmd.to_guild_card_number == session.license->serial_number) {
cmd.to_guild_card_number = session.remote_guild_card_number;
}
}
return true;
}
template <typename SendGuildCardCmdT>
static bool process_client_60_62_6C_6D_C9_CB(shared_ptr<ServerState> s,
ProxyServer::LinkedSession& session, uint16_t command, uint32_t flag, string& data) {
if (session.license && !data.empty() && (data[0] == 0x06)) {
auto& cmd = check_size_t<SendGuildCardCmdT>(data);
if (cmd.guild_card_number == session.license->serial_number) {
cmd.guild_card_number = session.remote_guild_card_number;
}
}
return process_client_60_62_6C_6D_C9_CB<void>(s, session, command, flag, data);
}
template <>
bool process_client_60_62_6C_6D_C9_CB<void>(shared_ptr<ServerState>,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string& data) {
check_implemented_subcommand(session.id, data);
if (!data.empty() && (data[0] == 0x05) && session.enable_switch_assist) {
auto& cmd = check_size_t<G_SwitchStateChanged_6x05>(data);
if (cmd.enabled && cmd.switch_id != 0xFFFF) {
if (session.last_switch_enabled_command.subcommand == 0x05) {
session.log(INFO, "Switch assist: replaying previous enable command");
session.send_to_end(true, 0x60, 0x00, &session.last_switch_enabled_command,
sizeof(session.last_switch_enabled_command));
session.send_to_end(false, 0x60, 0x00, &session.last_switch_enabled_command,
sizeof(session.last_switch_enabled_command));
}
session.last_switch_enabled_command = cmd;
}
}
return true;
}
static bool process_client_dc_pc_gc_A0_A1(shared_ptr<ServerState> s,
ProxyServer::LinkedSession& session, uint16_t, uint32_t, string&) {
if (!session.license) {
return true;
}
// For licensed sessions, send them back to newserv's main menu instead of
// going to the remote server's ship/block select menu
// Delete all the other players
for (size_t x = 0; x < session.lobby_players.size(); x++) {
if (session.lobby_players[x].guild_card_number == 0) {
continue;
}
uint8_t leaving_id = x;
uint8_t leader_id = session.lobby_client_id;
S_LeaveLobby_66_69 cmd = {leaving_id, leader_id, 0};
session.send_to_end(false, 0x69, leaving_id, &cmd, sizeof(cmd));
}
// Restore newserv_client_config, so the login server gets the client flags
S_UpdateClientConfig_DC_PC_GC_04 update_client_config_cmd = {
0x00010000,
session.license->serial_number,
session.newserv_client_config,
};
session.send_to_end(false, 0x04, 0x00, &update_client_config_cmd, sizeof(update_client_config_cmd));
static const vector<string> version_to_port_name({
"dc-login", "pc-login", "bb-patch", "gc-us3", "bb-login"});
const auto& port_name = version_to_port_name.at(static_cast<size_t>(
session.version));
S_Reconnect_19 reconnect_cmd = {
0, s->name_to_port_config.at(port_name)->port, 0};
// If the client is on a virtual connection, we can use any address
// here and they should be able to connect back to the game server. If
// the client is on a real connection, we'll use the sockname of the
// existing connection (like we do in the server 19 command handler).
int fd = bufferevent_getfd(session.client_bev.get());
if (fd < 0) {
struct sockaddr_in* dest_sin = reinterpret_cast<struct sockaddr_in*>(&session.next_destination);
if (dest_sin->sin_family != AF_INET) {
throw logic_error("ss not AF_INET");
}
reconnect_cmd.address.store_raw(dest_sin->sin_addr.s_addr);
} else {
struct sockaddr_storage sockname_ss;
socklen_t len = sizeof(sockname_ss);
getsockname(fd, reinterpret_cast<struct sockaddr*>(&sockname_ss), &len);
if (sockname_ss.ss_family != AF_INET) {
throw logic_error("existing connection is not ipv4");
}
struct sockaddr_in* sockname_sin = reinterpret_cast<struct sockaddr_in*>(
&sockname_ss);
reconnect_cmd.address.store_raw(sockname_sin->sin_addr.s_addr);
}
session.send_to_end(false, 0x19, 0x00, &reconnect_cmd, sizeof(reconnect_cmd));
return false;
}
typedef bool (*process_command_t)(
shared_ptr<ServerState> s,
ProxyServer::LinkedSession& session,
uint16_t command,
uint32_t flag,
string& data);
// The entries in these arrays correspond to the ID of the command received. For
// instance, if a command 6C is received, the function at position 0x6C in the
// array corresponding to the client's version is called.
auto defh = process_default;
static process_command_t dc_server_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, process_server_dc_pc_gc_04, defh, process_server_dc_pc_gc_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, process_server_13_A7, defh, defh, defh, defh, defh, process_server_19, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ defh, process_server_41<S_GuildCardSearchResult_DC_GC_41>, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_server_60_62_6C_6D_C9_CB, defh, process_server_60_62_6C_6D_C9_CB, defh, defh, defh, process_server_66_69, defh, defh, process_server_66_69, defh, defh, process_server_60_62_6C_6D_C9_CB, process_server_60_62_6C_6D_C9_CB, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, process_server_88, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, defh, process_server_13_A7, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t pc_server_handlers[0x100] = {
/* 00 */ defh, defh, process_server_pc_gc_patch_02_17, defh, process_server_dc_pc_gc_04, defh, process_server_dc_pc_gc_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, process_server_13_A7, defh, defh, defh, process_server_pc_gc_patch_02_17, defh, process_server_19, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ defh, process_server_41<S_GuildCardSearchResult_PC_41>, defh, defh, process_server_44_A6<S_OpenFile_PC_GC_44_A6>, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_server_60_62_6C_6D_C9_CB, defh, process_server_60_62_6C_6D_C9_CB, defh, process_server_64<S_JoinGame_PC_64>, process_server_65_67_68<S_JoinLobby_PC_65_67_68>, process_server_66_69, process_server_65_67_68<S_JoinLobby_PC_65_67_68>, process_server_65_67_68<S_JoinLobby_PC_65_67_68>, process_server_66_69, defh, defh, process_server_60_62_6C_6D_C9_CB, process_server_60_62_6C_6D_C9_CB, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, process_server_88, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, process_server_44_A6<S_OpenFile_PC_GC_44_A6>, process_server_13_A7, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t gc_server_handlers[0x100] = {
/* 00 */ defh, defh, process_server_pc_gc_patch_02_17, defh, process_server_dc_pc_gc_04, defh, process_server_dc_pc_gc_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, process_server_13_A7, defh, defh, defh, process_server_pc_gc_patch_02_17, defh, process_server_19, process_server_gc_1A_D5, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ defh, process_server_41<S_GuildCardSearchResult_DC_GC_41>, defh, defh, process_server_44_A6<S_OpenFile_PC_GC_44_A6>, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_server_60_62_6C_6D_C9_CB, defh, process_server_60_62_6C_6D_C9_CB, defh, process_server_64<S_JoinGame_GC_64>, process_server_65_67_68<S_JoinLobby_GC_65_67_68>, process_server_66_69, process_server_65_67_68<S_JoinLobby_GC_65_67_68>, process_server_65_67_68<S_JoinLobby_GC_65_67_68>, process_server_66_69, defh, defh, process_server_60_62_6C_6D_C9_CB, process_server_60_62_6C_6D_C9_CB, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, process_server_81<SC_SimpleMail_GC_81>, defh, defh, defh, defh, defh, defh, process_server_88, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, process_server_gc_9A, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, process_server_44_A6<S_OpenFile_PC_GC_44_A6>, process_server_13_A7, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, process_server_gc_B8, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, process_server_C4<S_ChoiceSearchResultEntry_GC_C4>, defh, defh, defh, defh, process_server_60_62_6C_6D_C9_CB, defh, process_server_60_62_6C_6D_C9_CB, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, process_server_gc_1A_D5, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, process_server_gc_E4, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t bb_server_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, process_server_13_A7, defh, defh, defh, defh, defh, process_server_19, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ defh, process_server_41<S_GuildCardSearchResult_BB_41>, defh, defh, process_server_44_A6<S_OpenFile_BB_44_A6>, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_server_60_62_6C_6D_C9_CB, defh, process_server_60_62_6C_6D_C9_CB, defh, process_server_64<S_JoinGame_BB_64>, process_server_65_67_68<S_JoinLobby_BB_65_67_68>, process_server_66_69, process_server_65_67_68<S_JoinLobby_BB_65_67_68>, process_server_65_67_68<S_JoinLobby_BB_65_67_68>, process_server_66_69, defh, defh, process_server_60_62_6C_6D_C9_CB, process_server_60_62_6C_6D_C9_CB, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, process_server_88, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, process_server_44_A6<S_OpenFile_BB_44_A6>, process_server_13_A7, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t patch_server_handlers[0x100] = {
/* 00 */ defh, defh, process_server_pc_gc_patch_02_17, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t dc_client_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, defh, defh, process_client_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ process_client_40, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_client_60_62_6C_6D_C9_CB<void>, defh, process_client_60_62_6C_6D_C9_CB<void>, defh, defh, defh, defh, defh, defh, defh, defh, defh, process_client_60_62_6C_6D_C9_CB<void>, process_client_60_62_6C_6D_C9_CB<void>, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ process_client_dc_pc_gc_A0_A1, process_client_dc_pc_gc_A0_A1, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t pc_client_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, defh, defh, process_client_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ process_client_40, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_client_60_62_6C_6D_C9_CB<void>, defh, process_client_60_62_6C_6D_C9_CB<void>, defh, defh, defh, defh, defh, defh, defh, defh, defh, process_client_60_62_6C_6D_C9_CB<void>, process_client_60_62_6C_6D_C9_CB<void>, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ process_client_dc_pc_gc_A0_A1, process_client_dc_pc_gc_A0_A1, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t gc_client_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, defh, defh, process_client_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ process_client_40, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_GC_6x06>, defh, process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_GC_6x06>, defh, defh, defh, defh, defh, defh, defh, defh, defh, process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_GC_6x06>, process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_GC_6x06>, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, process_client_81<SC_SimpleMail_GC_81>, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ process_client_dc_pc_gc_A0_A1, process_client_dc_pc_gc_A0_A1, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t bb_client_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, defh, defh, process_client_06, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ process_client_40, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_BB_6x06>, defh, process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_BB_6x06>, defh, defh, defh, defh, defh, defh, defh, defh, defh, process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_BB_6x06>, process_client_60_62_6C_6D_C9_CB<G_SendGuildCard_BB_6x06>, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t patch_client_handlers[0x100] = {
/* 00 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 10 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 20 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 30 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 40 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 50 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 60 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 70 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 80 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* 90 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* A0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* B0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* C0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* D0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* E0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
/* F0 */ defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh, defh,
};
static process_command_t* server_handlers[] = {
dc_server_handlers, pc_server_handlers, patch_server_handlers, gc_server_handlers, bb_server_handlers};
static process_command_t* client_handlers[] = {
dc_client_handlers, pc_client_handlers, patch_client_handlers, gc_client_handlers, bb_client_handlers};
static process_command_t get_handler(GameVersion version, bool from_server, uint8_t command) {
size_t version_index = static_cast<size_t>(version);
if (version_index >= 5) {
throw logic_error("invalid game version on proxy server");
}
return (from_server ? server_handlers : client_handlers)[version_index][command];
}
void process_proxy_command(
shared_ptr<ServerState> s,
ProxyServer::LinkedSession& session,
bool from_server,
uint16_t command,
uint32_t flag,
string& data) {
auto fn = get_handler(session.version, from_server, command);
try {
bool should_forward = fn(s, session, command, flag, data);
if (should_forward) {
forward_command(session, !from_server, command, flag, data);
}
} catch (const exception& e) {
session.log(ERROR, "Failed to process command: %s", e.what());
session.disconnect();
}
}
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