void handle_D9( Network::Client* client, PKTIN_D9* msg )
{
PKTIN_D9 _msg; // got crashes here under *nix -> modify a new local instance
// Transform Little-Endian <-> Big-Endian
_msg.instance = cfBEu32( msg->instance ); // Unique Instance ID of UO
_msg.os_major = cfBEu32( msg->os_major ); // OS Major
_msg.os_minor = cfBEu32( msg->os_minor ); // OS Minor
_msg.os_revision = cfBEu32( msg->os_revision ); // OS Revision
_msg.cpu_family = cfBEu32( msg->cpu_family ); // CPU Family
_msg.cpu_model = cfBEu32( msg->cpu_model ); // CPU Model
_msg.cpu_clockspeed = cfBEu32( msg->cpu_clockspeed ); // CPU Clock Speed [Mhz]
_msg.memory = cfBEu32( msg->memory ); // Memory [MB]
_msg.screen_width = cfBEu32( msg->screen_width ); // Screen Width
_msg.screen_height = cfBEu32( msg->screen_height ); // Screen Height
_msg.screen_depth = cfBEu32( msg->screen_depth ); // Screen Depth [Bit]
_msg.directx_major = cfBEu16( msg->directx_major ); // DirectX Major
_msg.directx_minor = cfBEu16( msg->directx_minor ); // DirectX Minor
for ( unsigned i = 0; i < sizeof( msg->video_description ) / sizeof( msg->video_description[0] );
++i )
_msg.video_description[i] =
cfBEu16( msg->video_description[i] ); // Video Card Description [wide-character]
_msg.video_vendor = cfBEu32( msg->video_vendor ); // Video Card Vendor ID
_msg.video_device = cfBEu32( msg->video_device ); // Video Card Device ID
_msg.video_memory = cfBEu32( msg->video_memory ); // Video Card Memory [MB]
for ( unsigned i = 0; i < sizeof( msg->langcode ) / sizeof( msg->langcode[0] ); ++i )
_msg.langcode[i] = cfBEu16( msg->langcode[i] ); // Language Code [wide-character]
client->setclientinfo( &_msg );
}
void handle_menu_selection( Network::Client *client, PKTIN_7D *msg )
{
if ( client->chr->menu == NULL )
{
POLLOG.Format( "{}/{} tried to use a menu, but none was active.\n" )
<< client->acct->name()
<< client->chr->name();
return;
}
u16 menu_id = cfBEu16( msg->menu_id );
if ( client->chr->menu->menu_id != menu_id )
{
INFO_PRINT << "Client tried to use a menu he wasn't entitled to\n";
// LOGME illegal menu selection
client->chr->cancel_menu();
return;
}
Menu* menu = client->chr->menu;
client->chr->menu = NULL;
if ( msg->choice == 0 ) // client cancelled menu
{
client->chr->cancel_menu();
return;
}
u16 choice = cfBEu16( msg->choice );
if ( choice == 0 || choice > menu->menuitems_.size() )
{
INFO_PRINT << "Client menu choice out of range\n";
client->chr->cancel_menu();
return;
}
// Wow, client chose something valid from the menu, even.
// Note, the incoming message specified object type, color, and used_item_serial.
// Since we'd just have to verify these anyway, I'm just going
// to ignore them, and use the information in the MenuItem.
// If this turns out not to be workable, we'll have to validate those
// input fields, too.
MenuItem* mi = &menu->menuitems_[choice - 1];
if ( mi->submenu_id )
{
client->chr->menu = Menu::find_menu( mi->submenu_id );
send_menu( client, client->chr->menu );
}
else
{
passert( client->chr->on_menu_selection );
client->chr->on_menu_selection( client, mi, msg );
}
}
void handle_prompt( Network::Client* client, PKTBI_9A* msg )
{
Module::UOExecutorModule* uoemod = client->gd->prompt_uoemod;
if ( uoemod == nullptr )
return;
int textlen = cfBEu16( msg->msglen ) - offsetof( PKTBI_9A, text );
if ( msg->type )
{
if ( textlen <= 120 && msg->text[textlen - 1] == '\0' )
{
bool ok = true;
--textlen; // don't include null terminator (already checked)
for ( int i = 0; i < textlen; ++i )
{
if ( !isprint( msg->text[i] ) )
{
ok = false;
break;
}
}
if ( ok )
{
Bscript::String* str = new Bscript::String( msg->text, textlen );
uoemod->uoexec.ValueStack.back().set( new Bscript::BObject( str ) );
}
}
}
uoemod->uoexec.revive();
uoemod->prompt_chr = nullptr;
client->gd->prompt_uoemod = nullptr;
}
void handle_client_version( Client* client, PKTBI_BD* msg )
{
u16 len = cfBEu16(msg->msglen)-3;
if (len < 100)
{
int c=0;
char ch;
string ver2 ="";
while (c<len)
{
ch = msg->version[c];
if (ch==0) break; // seems to be null-terminated
ver2+=ch;
++c;
}
client->setversion( ver2 );
VersionDetailStruct vers_det;
client->itemizeclientversion(ver2, vers_det);
client->setversiondetail(vers_det);
if (client->compareVersion(CLIENT_VER_7000))
client->setClientType(CLIENTTYPE_7000);
else if (client->compareVersion(CLIENT_VER_60142))
client->setClientType(CLIENTTYPE_60142);
else if (client->compareVersion(CLIENT_VER_6017)) //Grid-loc support
client->setClientType(CLIENTTYPE_6017);
else if (client->compareVersion(CLIENT_VER_5020))
client->setClientType(CLIENTTYPE_5020);
else if (client->compareVersion(CLIENT_VER_5000))
client->setClientType(CLIENTTYPE_5000);
else if (client->compareVersion(CLIENT_VER_4070))
client->setClientType(CLIENTTYPE_4070);
else if (client->compareVersion(CLIENT_VER_4000))
client->setClientType(CLIENTTYPE_4000);
if (ssopt.core_sends_season)
send_season_info( client ); // Scott 10/11/2007 added for login fixes and handling 1.x clients.
// Season info needs to check client version to keep from crashing 1.x
// version not set until shortly after login complete.
//send_feature_enable(client); //dave commented out 8/21/03, unexpected problems with people sending B9 via script with this too.
if( (client->UOExpansionFlag & AOS) )
{
send_object_cache(client, dynamic_cast<const UObject*>(client->chr));
}
}
else
{
Log2( "Suspect string length in PKTBI_BD packet: %u\n", (unsigned) len );
}
}
bool convertUCtoArray( const u16* in_wtext, Bscript::ObjArray*& out_text,
size_t textlen, bool ConvFromBE /*false*/ )
{
u16 value;
out_text = new Bscript::ObjArray( );
for( size_t i = 0; i < textlen; i++ )
{
value = ConvFromBE ? cfBEu16( in_wtext[i] ) : in_wtext[i];
// Jump out on a NULL (EOS) value (should stop exploits, too?)
if( value == 0L )
return true;
out_text->addElement( new Bscript::BLong( value ) );
}
return true;
}
void handle_se_object_list( Client* client, PKTBI_D6_IN* msgin )
{
UObject* obj = NULL;
int length=cfBEu16(msgin->msglen)-3;
if ( length < 0 || (length%4) != 0 )
return;
int count = length/4;
for( int i = 0; i < count; ++i )
{
obj = system_find_object(cfBEu32( msgin->serials[i].serial ));
if (obj != NULL)
SendAOSTooltip(client,obj);
}
}
void handle_skill_lock( Network::Client* client, PKTBI_3A_LOCKS* msg )
{
if ( settingsManager.ssopt.core_handled_locks )
{
unsigned int skillid = cfBEu16( msg->skillid );
if ( skillid > networkManager.uoclient_general.maxskills )
return;
const UOSkill& uoskill = GetUOSkill( skillid );
if ( !uoskill.pAttr ) // tried to set lockstate for a skill that isn't defined
return;
if ( msg->lock_mode < 3 )
client->chr->attribute( uoskill.pAttr->attrid ).lock( msg->lock_mode );
else
INFO_PRINT << "Client " << client->chr->name() << " tried to set an illegal lock state.\n";
}
}
void handle_get_tip( Client* client, PKTIN_A7* msg )
{
u16 tipnum = cfBEu16( msg->lasttip );
if (tipfilenames.size())
{
if (msg->prevnext)
{
++tipnum;
if (tipnum >= tipfilenames.size())
tipnum = 0;
}
else
{
--tipnum;
if (tipnum >= tipfilenames.size())
tipnum = static_cast<u16>(tipfilenames.size()) - 1;
}
send_tip( client, tipfilenames[tipnum].c_str(), tipnum );
}
}
void select_server( Network::Client* client, PKTIN_A0* msg ) // Relay player to a certain IP
{
unsigned servernum = cfBEu16( msg->servernum ) - 1;
if ( servernum >= networkManager.servers.size() )
{
client->forceDisconnect();
return;
}
ServerDescription* svr = networkManager.servers[servernum];
Network::PktHelper::PacketOut<Network::PktOut_8C> rsp;
rsp->Write<u8>( svr->ip[3] );
rsp->Write<u8>( svr->ip[2] );
rsp->Write<u8>( svr->ip[1] );
rsp->Write<u8>( svr->ip[0] );
if ( client->listen_port != 0 )
rsp->WriteFlipped<u16>( client->listen_port );
else
rsp->WriteFlipped<u16>( svr->port );
// MuadDib Added new seed system. This is for transferring KR/6017/Normal client detection from
// loginserver
// to the gameserver. Allows keeping client flags from remote loginserver to gameserver for 6017
// and kr
// packets.
unsigned int nseed = 0xFEFE0000 | client->ClientType;
rsp->WriteFlipped<u32>( nseed ); // This was set to 0xffffffff in the past but this will conflict
// with UO:KR detection
rsp.Send( client );
client->cryptengine->Init( &nseed, Crypt::CCryptBase::typeGame );
}
void login2( Network::Client* client, PKTIN_91* msg ) // Gameserver login and character listing
{
client->encrypt_server_stream = true;
if ( Network::is_banned_ip( client ) )
{
send_login_error( client, LOGIN_ERROR_ACCOUNT_BLOCKED );
client->Disconnect();
return;
}
/* Hmm, might have to re-search for account.
For now, we already have the account in client->acct.
Might work different if real loginservers were used. */
Accounts::Account* acct = Accounts::find_account( msg->name );
if ( acct == nullptr )
{
send_login_error( client, LOGIN_ERROR_NO_ACCOUNT );
client->Disconnect();
return;
}
// First check the password - if wrong, you can't find out anything else.
bool correct_password = false;
// dave changed 6/5/3, always authenticate with hashed user+pass
std::string msgpass = msg->password;
std::string acctname = acct->name();
std::string temp;
Clib::MD5_Encrypt( acctname + msgpass, temp ); // MD5
correct_password = Clib::MD5_Compare( acct->passwordhash(), temp );
if ( !correct_password )
{
send_login_error( client, LOGIN_ERROR_WRONG_PASSWORD );
client->Disconnect();
POLLOG.Format( "Incorrect password for account {} from {}\n" )
<< acct->name() << client->ipaddrAsString();
return;
}
else
{
// write out cleartext if necessary
if ( Plib::systemstate.config.retain_cleartext_passwords )
{
if ( acct->password().empty() )
acct->set_password( msgpass );
}
}
if ( !acct->enabled() || acct->banned() )
{
send_login_error( client, LOGIN_ERROR_ACCOUNT_BLOCKED );
client->Disconnect();
return;
}
//
// Dave moved the max_clients check to pol.cpp so character cmdlevel could be checked.
//
POLLOG.Format( "Account {} logged in from {}\n" )
<< acct->name() << client->ipaddrAsString();
// ENHANCEMENT: could authenticate with real loginservers.
client->acct = acct;
/* NOTE: acct->client is not set here. It is possible that another client
is still connected, or a connection is stuck open, or similar. When
a character is selected, if another client is connected, measures will
be taken. */
// Tell the client about the starting locations and his characters (up to 5).
// MuadDib Added new seed system. This is for transferring KR/6017/Normal client detection from
// loginserver
// to the gameserver. Allows keeping client flags from remote loginserver to gameserver for 6017
// and kr
// packets.
client->ClientType = cfBEu16( msg->unk3_4_ClientType );
send_start( client );
}
// This is for legacy up to 5.0(?). Cuz ML added new bytes in the middle of the packet.
void send_full_statmsg_std( Client *client, Character *chr )
{
PKTOUT_11_V1 msg;
msg.msgtype = PKTOUT_11_V1_ID;
if( (client->UOExpansionFlag & AOS) )
{
msg.msglen = ctBEu16(sizeof msg);
msg.moreinfo = 04; // Set to AOS level statbar for full info
}
else
{
unsigned short msglen = offsetof( PKTOUT_11_V1, statcap );
msg.msglen = ctBEu16(msglen);
msg.moreinfo = 01; // Set to oldschool statbar info.
}
msg.serial = chr->serial_ext;
strzcpy( msg.name, chr->name().c_str(), sizeof msg.name );
if (uoclient_general.hits.any)
{
long v = chr->vital(uoclient_general.hits.id).current_ones();
if (v > 0xFFFF)
v = 0xFFFF;
msg.hits = ctBEu16( static_cast<u16>(v) );
v = chr->vital(uoclient_general.hits.id).maximum_ones();
if (v > 0xFFFF)
v = 0xFFFF;
msg.max_hits = ctBEu16( static_cast<u16>(v) );
}
else
{
msg.hits = 0;
msg.max_hits = 0;
}
msg.renameable = 0; // (client->chr->can_rename( chr ) ? 0xFF : 0);
//if (chr->race == RACE_ELF)
// msg.gender = static_cast<u8>(chr->gender | FLAG_RACE);
//else
msg.gender = static_cast<u8>(chr->gender);
if (uoclient_general.strength.any)
{
long v = chr->attribute(uoclient_general.strength.id).effective();
if (v > 0xFFFF)
v = 0xFFFF;
msg.str = ctBEu16( static_cast<u16>(v) );
}
else
{
msg.str = 0;
}
if (uoclient_general.dexterity.any)
{
long v = chr->attribute(uoclient_general.dexterity.id).effective();
if (v > 0xFFFF)
v = 0xFFFF;
msg.dex = ctBEu16( static_cast<u16>(v) );
}
else
{
msg.dex = 0;
}
if (uoclient_general.intelligence.any)
{
long v = chr->attribute(uoclient_general.intelligence.id).effective();
if (v > 0xFFFF)
v = 0xFFFF;
msg.intel = ctBEu16( static_cast<u16>(v) );
}
else
{
msg.intel = 0;
}
if (uoclient_general.stamina.any)
{
long v = chr->vital(uoclient_general.stamina.id).current_ones();
if (v > 0xFFFF)
v = 0xFFFF;
msg.stamina = ctBEu16( static_cast<u16>(v) );
v = chr->vital( uoclient_general.stamina.id ).maximum_ones();
if (v > 0xFFFF)
v = 0xFFFF;
msg.max_stamina = ctBEu16( static_cast<u16>(v) );
}
else
{
msg.stamina = 0;
msg.max_stamina = 0;
}
if (uoclient_general.mana.any)
{
long v = chr->vital(uoclient_general.mana.id).current_ones();
if (v > 0xFFFF)
v = 0xFFFF;
msg.mana = ctBEu16( static_cast<u16>(v) );
v = chr->vital(uoclient_general.mana.id).maximum_ones();
if (v > 0xFFFF)
v = 0xFFFF;
msg.max_mana = ctBEu16( static_cast<u16>(v) );
}
else
{
msg.mana = 0;
msg.max_mana = 0;
}
msg.gold = ctBEu32( chr->gold_carried() );
// Adjusted to work with Physical Resist if AOS client, and AOS Resistances enabled.
if( (client->UOExpansionFlag & AOS) && client->aosresist )
msg.AR = (chr->element_resist.physical < 0)?ctBEu16(0x10000+chr->element_resist.physical):ctBEu16(chr->element_resist.physical);
else
msg.AR = ctBEu16( chr->ar() );
msg.weight = ctBEu16( static_cast<u16>(chr->weight()) );
if ( msg.moreinfo >= 4 )
{
msg.statcap = ctBEu16( chr->expanded_statbar.statcap );
msg.followers = chr->expanded_statbar.followers;
msg.followers_max = chr->expanded_statbar.followers_max;
msg.fireresist = (chr->element_resist.fire < 0)?ctBEu16(0x10000+chr->element_resist.fire):ctBEu16(chr->element_resist.fire);
msg.coldresist = (chr->element_resist.cold < 0)?ctBEu16(0x10000+chr->element_resist.cold):ctBEu16(chr->element_resist.cold);
msg.poisonresist = (chr->element_resist.poison < 0)?ctBEu16(0x10000+chr->element_resist.poison):ctBEu16(chr->element_resist.poison);
msg.energyresist = (chr->element_resist.energy < 0)?ctBEu16(0x10000+chr->element_resist.energy):ctBEu16(chr->element_resist.energy);
msg.luck = ctBEu16( chr->expanded_statbar.luck );
msg.damage_min = ctBEu16( chr->min_weapon_damage() );
msg.damage_max = ctBEu16( chr->max_weapon_damage() );
msg.titching = ctBEu32( chr->expanded_statbar.tithing );
}
transmit(client, &msg, cfBEu16(msg.msglen) );
}
void handle_aos_commands (Client *client, PKTBI_D7* msg)
{
//cout <<" Sizeof: " << sizeof(PKTBI_D7) << endl;
//cout << "Received AOS command: " << cfBEu16(msg->msglen) << " " << cfBEu16(msg->subcmd) << endl;
//fdump (stdout, client->buffer, client->bytes_received);
//should check if serial is valid? client->chr->serial == msg->serial?
switch (cfBEu16(msg->subcmd)) {
case PKTBI_D7::CUSTOM_HOUSE_BACKUP:
CustomHousesBackup(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_RESTORE:
CustomHousesRestore(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_COMMIT:
CustomHousesCommit(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_ERASE:
CustomHousesErase(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_ADD:
CustomHousesAdd(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_QUIT:
CustomHousesQuit(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_ADD_MULTI:
CustomHousesAddMulti(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_SYNCH:
CustomHousesSynch(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_CLEAR:
CustomHousesClear(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_SELECT_FLOOR:
CustomHousesSelectFloor(msg);
break;
case PKTBI_D7::CUSTOM_HOUSE_REVERT:
CustomHousesRevert(msg);
break;
case PKTBI_D7::GUILD_BUTTON:
OnGuildButton(client);
break;
case PKTBI_D7::QUEST_BUTTON:
OnQuestButton(client);
break;
//missing combat book abilities
default:
handle_unknown_packet(client);
}
}
void handle_msg_BF( Client* client, PKTBI_BF* msg )
{
UObject* obj = NULL;
UMulti* multi = NULL;
UHouse* house = NULL;
switch(cfBEu16(msg->subcmd))
{
case PKTBI_BF::TYPE_CLIENT_LANGUAGE:
client->chr->uclang = strlower(msg->client_lang);
break;
case PKTBI_BF::TYPE_REQ_FULL_CUSTOM_HOUSE:
if( (client->UOExpansionFlag & AOS) == 0 )
return;
multi = system_find_multi(cfBEu32(msg->reqfullcustomhouse.house_serial));
if(multi != NULL)
{
house = multi->as_house();
if(house != NULL)
{
if(client->UOExpansionFlag & AOS)
{
send_object_cache(client, (UObject*)(house));
}
//consider sending working design to certain players, to assist building, or GM help
CustomHousesSendFull( house, client, HOUSE_DESIGN_CURRENT );
}
}
break;
case PKTBI_BF::TYPE_OBJECT_CACHE:
if( (client->UOExpansionFlag & AOS) == 0)
return;
obj = system_find_object(cfBEu32(msg->objectcache.serial));
if(obj != NULL)
{
SendAOSTooltip(client,obj);
}
break;
case PKTBI_BF::TYPE_SESPAM:
return;
break;
case PKTBI_BF::TYPE_SPELL_SELECT:
do_cast(client, cfBEu16(msg->spellselect.selected_spell) );
break;
case PKTBI_BF::TYPE_CHARACTER_RACE_CHANGER:
character_race_changer_handler( client, msg );
break;
case PKTBI_BF::TYPE_PARTY_SYSTEM:
party_cmd_handler( client, msg );
break;
case PKTBI_BF::TYPE_EXTENDED_STATS_IN:
ext_stats_in(client, msg);
break;
case PKTBI_BF::TYPE_CLOSED_STATUS_GUMP:
return;
break;
case PKTBI_BF::TYPE_SCREEN_SIZE:
return;
break;
case PKTBI_BF::TYPE_TOGGLE_FLYING:
if (client->chr->race==RACE_GARGOYLE)
{
// FIXME: add checks if its possible to stand with new movemode
client->chr->movemode = (MOVEMODE)(client->chr->movemode ^ MOVEMODE_FLY);
send_move_mobile_to_nearby_cansee( client->chr );
send_goxyz( client, client->chr );
}
break;
case PKTBI_BF::TYPE_CLIENTTYPE:
client->UOExpansionFlagClient = ctBEu32( msg->clienttype.clientflag );
break;
default:
handle_unknown_packet( client );
}
}