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mud/lib/daemon/intermud.c
Babylon 433e764989 first commit
2020-09-06 05:43:07 -07:00

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/* /daemon/intermud.c
* from the Dead Souls LPC Library
* daemon handling the InterMUD-3 Protocol
* created by Descartes of Borg 950506
* Version: @(#) intermud.c 1.7@(#)
* Last modified: 96/12/14
*/
#ifndef __PACKAGE_SOCKETS__
#error You should not try and load /daemon/intermud.c with no sockets package.
#else
#include <lib.h>
#include <dirs.h>
#include <logs.h>
#include <privs.h>
#include <save.h>
#include <daemons.h>
#include <commands.h>
#include NETWORK_H
#include ROOMS_H
#include "include/intermud.h"
inherit LIB_CLIENT;
static private int Password;
private mapping MudList, ChannelList;
private mapping Banned;
private mixed *Nameservers;
private static int Tries;
private static int SocketStat = -1;
private static int Online = 0;
private static string my_ip;
static string SaveFile;
mapping ExtraInfo();
void ConvertLists();
int GetStatus(string mud);
static mixed SetStatus(string mud, int status);
static void create(){
client::create();
Password = SECRETS_D->GetSecret("I3_SERVER_PW");
SaveFile = save_file(SAVE_INTERMUD);
tn("INTERMUD_D: prev: "+identify(previous_object(-1)),"red");
Tries = 0;
Banned = ([]);
MudList = ([]);
ChannelList = ([]);
MudList["ID"] = -1;
MudList["List"] = ([]);
ChannelList["ID"] = -1;
ChannelList["List"] = ([]);
if(file_exists(SaveFile)){
RestoreObject(SaveFile, 1);
}
ConvertLists();
Nameservers = ({ ({ "*dalet", "97.107.133.86 8787" }) });
SetNoClean(1);
tn("INTERMUD_D reloaded.");
tn("Loading object stack: "+get_stack(),"red");
tn("Loading object trail: "+identify(previous_object(-1)),"red");
SetDestructOnClose(1);
SetSocketType(MUD);
if(DISABLE_INTERMUD == 1){
call_out( (: eventDestruct :), 2);
}
else call_out( (: Setup :), 2);
}
void FirstPing(){
PING_D->eventPing();
}
static void Setup(){
string ip;
int port;
if( !Nameservers || !sizeof(Nameservers) ) return;
sscanf(Nameservers[0][1], "%s %d", ip, port);
SocketStat = eventCreateSocket(ip, port);
if( SocketStat < 0 ) return;
tn("INTERMUD_D: SocketStat: "+SocketStat);
eventWrite( ({ "startup-req-3", 5, mud_name(), 0, Nameservers[0][0], 0,
Password, MudList["ID"], ChannelList["ID"], query_host_port(),
PORT_OOB, PORT_UDP, mudlib() + " " + mudlib_version(),
mudlib() + " " + mudlib_version(), version(), "LPMud",
MUD_STATUS, ADMIN_EMAIL,
SERVICES_D->GetServices(), ExtraInfo() }) );
tn("INTERMUD_D setup: "+identify( ({
"startup-req-3", 5, mud_name(), 0, Nameservers[0][0], 0,
Password, MudList["ID"], ChannelList["ID"], query_host_port(),
PORT_OOB, PORT_UDP, mudlib() + " " + mudlib_version(),
mudlib() + " " + mudlib_version(), version(), "LPMud",
MUD_STATUS, ADMIN_EMAIL,
SERVICES_D->GetServices(), ([]) }) ), "red");;
call_out( (: FirstPing :), 5);
call_out( (: load_object :), 5, IMC2_D);
}
int GetConnectedStatus(){
return Online;
}
void eventClearVars(){
if( !(master()->valid_apply(({ PRIV_ASSIST, INTERMUD_D }))) )
error("Illegal attempt to reset intermud: "+get_stack()+" "+identify(previous_object(-1)));
Tries = 0;
MudList = ([]);
ChannelList = ([]);
MudList["ID"] = -1;
MudList["List"] = ([]);
ChannelList["ID"] = -1;
ChannelList["List"] = ([]);
SaveObject(SaveFile);
}
static void eventRead(mixed *packet){
mixed val;
string cle;
int mudpacket;
Online = 1;
if( !packet || sizeof(packet) < 6 ) return; /* should send error */
if( Banned[packet[2]] ){
eventWrite(({ "error", 5, mud_name(), 0, packet[2],
packet[3], "unk-user",
"Your mud is not allowed to send to "+mud_name()+".",
packet }));
return;
}
switch(packet[0]){
case "startup-reply":
LOG_D->LogSpecial(LOG_I3,timestamp()+" "+identify(packet)+"\n");
tn("INTERMUD_D: "+identify(packet),"red");
if( sizeof(packet) != 8 ){
//tn("We don't like the mudlist packet size.","red");
return;
}
if( !sizeof(packet[6]) ){
//tn("We don't like an absence of packet element 6.","red");
return;
}
/* Start of Tricky's patch */
if( packet[2] != Nameservers[0][0] ){
tn("Illegal startup-reply from mud " + packet[2], "red");
return;
}
/* End of Tricky's patch */
if( packet[6][0][0] == Nameservers[0][0] ){
Nameservers = packet[6];
Password = packet[7];
SECRETS_D->SetSecret("I3_SERVER_PW", Password);
SaveObject(SaveFile);
}
else {
Nameservers = packet[6];
Setup();
}
return;
case "mudlist":
tn("INTERMUD_D mudlist received.","red");
//log_file(LOG_I3,identify(packet),1);
if( sizeof(packet) != 8 ){
//tn("We don't like the mudlist packet size.","red");
return;
}
if( packet[6] == MudList["ID"] ) {
//tn("We don't like packet element 6. It is: "+identify(packet[6]),"red");
//tn("We will continue anyway.","red");
}
if( packet[2] != Nameservers[0][0] ){
//tn("We don't like packet element 2. It is: "+identify(packet[2]),"red");
return;
}
MudList["ID"] = packet[6];
foreach(cle, val in packet[7]){
string tmp = "";
if(cle){
string lib = "unknown";
if(val && sizeof(val) > 5 && arrayp(val)){
if(!my_ip && cle == mud_name()) my_ip = val[1];
lib = val[5];
}
MUDINFO_D->ReceiveMudInfo(cle, val);
tmp += "%^BOLD%^CYAN%^Processing mud: "+identify(cle)+
", lib: "+lib;
if(val){
if(!val[0]) tmp += " %^RED%^BOLD%^offline%^RESET%^";
else tmp += " %^GREEN%^BOLD%^ONLINE%^RESET%^";
}
else tmp += " removed from mudlist";
tn(tmp);
//tn(tmp,"cyan",ROOM_ARCH);
if(val && sizeof(val) > 5 && arrayp(val))
tmp = (val[0] ? "%^BLUE%^online" : "%^RED%^offline")+
"%^RESET%^, lib: "+lib+", driver: "+val[7];
else tmp = "removed from mudlist.";
CHAT_D->eventSendChannel(cle+"@i3","muds",tmp,0);
}
if( !val && MudList["List"][cle] != 0 )
map_delete(MudList["List"], cle);
else if( val ) MudList["List"][cle] = val;
}
SaveObject(SaveFile);
return;
case "chanlist-reply":
tn("chanlist reply: "+identify(packet), "blue");
if( packet[2] != Nameservers[0][0] ) return;
ChannelList["ID"] = packet[6];
foreach(cle, val in packet[7]){
if( !val && ChannelList["List"] != 0 ){
map_delete(ChannelList["List"], cle);
CHAT_D->RemoveRemoteChannel(cle);
}
else if( val ){
ChannelList["List"][cle] = val;
CHAT_D->AddRemoteChannel(cle);
}
}
SaveObject(SaveFile);
SERVICES_D->eventRegisterChannels(packet[7]);
return;
case "ping-req":
mudpacket = 1;
SERVICES_D->eventReceiveAuthRequest(packet);
break;
case "ping-reply":
mudpacket = 1;
SERVICES_D->eventReceiveAuthReply(packet);
break;
case "auth-mud-req":
mudpacket = 1;
SERVICES_D->eventReceiveAuthRequest(packet);
break;
case "auth-mud-reply":
mudpacket = 1;
SERVICES_D->eventReceiveAuthReply(packet);
break;
case "channel-t":
mudpacket = 1;
SERVICES_D->eventReceiveChannelTargettedEmote(packet);
break;
case "channel-e":
mudpacket = 1;
SERVICES_D->eventReceiveChannelEmote(packet);
break;
case "channel-m":
mudpacket = 1;
SERVICES_D->eventReceiveChannelMessage(packet);
break;
case "chan-who-reply":
mudpacket = 1;
SERVICES_D->eventReceiveChannelWhoReply(packet);
break;
case "chan-who-req":
mudpacket = 1;
SERVICES_D->eventReceiveChannelWhoRequest(packet);
break;
case "chan-user-req":
mudpacket = 1;
SERVICES_D->eventReceiveChannelUserRequest(packet);
break;
case "emoteto":
mudpacket = 1;
SERVICES_D->eventReceiveEmote(packet);
break;
case "finger-req":
mudpacket = 1;
SERVICES_D->eventReceiveFingerRequest(packet);
break;
case "finger-reply":
mudpacket = 1;
SERVICES_D->eventReceiveFingerReply(packet);
break;
case "locate-req":
mudpacket = 1;
SERVICES_D->eventReceiveLocateRequest(packet);
break;
case "locate-reply":
mudpacket = 1;
SERVICES_D->eventReceiveLocateReply(packet);
break;
case "tell":
mudpacket = 1;
SERVICES_D->eventReceiveTell(packet);
break;
case "chan-user-reply":
mudpacket = 1;
tn("INTERMUD_D: chan-user-reply received.","red");
case "ucache-update":
mudpacket = 1;
SERVICES_D->eventReceiveUcacheUpdate(packet);
break;
case "who-req":
mudpacket = 1;
SERVICES_D->eventReceiveWhoRequest(packet);
break;
case "who-reply":
mudpacket = 1;
SERVICES_D->eventReceiveWhoReply(packet);
break;
case "news":
mudpacket = 1;
SERVICES_D->eventReceiveNews(packet);
break;
case "mail":
mudpacket = 1;
SERVICES_D->eventReceiveMail(packet);
break;
case "mail-ok":
mudpacket = 1;
SERVICES_D->eventReceiveMailOk(packet);
break;
case "file":
mudpacket = 1;
tn("INTERMUD_D: file packet received.","red");
break;
case "error":
SERVICES_D->eventReceiveError(packet);
break;
default:
break;
}
if(mudpacket){
if(!GetStatus(packet[2])){
tn("Setting status of "+packet[2]+" to online.");
SetStatus(packet[2], -1);
}
}
}
static void eventSocketClose(){
Online = 0;
}
static void eventConnectionFailure(){
Online = 0;
tn("INTERMUD_D: CONNECTION FAILED","red");
error("Failed to find a useful name server.\n");
}
int SetDestructOnClose(int x){ return 0; }
static void eventClose(mixed arg){
SocketStat = -1;
Online = 0;
tn("INTERMUD_D: socket closing!");
::eventClose(arg);
}
int SetSocketType(int x){ return client::SetSocketType(MUD); }
string GetMudName(string mud){
string *lc, *uc;
mapping mudses = GetMudList();
int x;
if( MudList["List"][mud] ) return mud;
lc = map(uc = keys(MudList["List"]), function(string str){
if( !str ) return "";
else return lower_case(str);
});
x = member_array(lower_case(mud), lc);
if( x < 0 ){
foreach(string name in GetMuds()){
if(mudses[name][1] +" "+mudses[name][2] == mud) return name;
}
return 0;
}
else return uc[x];
}
static mixed SetStatus(string mud, int status){
mapping mlist = copy(MudList["List"]);
mixed array newmud = ({});
if(!sizeof(newmud = mlist[mud])) return 0;
tn("old: "+identify(newmud));
newmud[0] = status;
MudList["List"][mud] = newmud;
tn("new: "+identify(MudList["List"][mud]),"blue");
}
int GetStatus(string mud){
mixed array newmud = ({});
if(!sizeof(newmud = MudList["List"][mud])) return 0;
return (newmud[0] ? 1 : 0);
}
mapping GetMudList(){
if(sizeof(MudList) && MudList["List"])
return copy(MudList["List"]);
else return ([]);
}
string *GetMuds(){
if(sizeof(MudList) && MudList["List"])
return keys(MudList["List"]);
else return ({});
}
string *GetLCMuds(){
string *orig_arr, *new_arr;
orig_arr = GetMuds();
new_arr = ({});
foreach(string namen in orig_arr){
new_arr += ({ lower_case(namen) });
}
return new_arr;
}
mapping GetChannelList(){ return copy(ChannelList["List"]); }
string *GetChannels(){ return keys(ChannelList["List"]); }
string *GetMatch(string mud){
string *uc, *lc;
mud = lower_case(mud);
lc = map(uc = keys(MudList["List"]), (: lower_case :));
return map(filter(regexp(lc, "^"+mud, 1), (: intp :)), (: $(uc)[$1] :));
}
string GetNameserver(){ return Nameservers[0][0]; }
mixed *GetNameservers(){ return copy(Nameservers); }
int AddBanned(string mud, string reason){
if( !master()->valid_apply(({})) ){
return 0;
}
if( !(mud = GetMudName(mud)) ){
return 0;
}
Banned[mud] = reason;
SaveObject(SaveFile);
return 1;
}
mapping GetBanned(){ return copy(Banned); }
int RawSend(string *packet){
if(!this_player() || !archp(this_player())) return 0;
eventWrite(packet);
return 1;
}
string nextboot(){
string str;
int x, offset;
if(DISABLE_REBOOTS){
return "never";
}
offset = TIME_D->GetOffset(local_time()[9]);
offset += EXTRA_TIME_OFFSET;
x = EVENTS_D->GetRebootInterval() * 3600;
x = (time() - uptime()) + x;
if(!LOCAL_TIME)
x += offset * 3600;
str = query_tz()+ " " + ctime(x);
return str;
}
//This new packet element data added to be able
//to handle liveupgrade stuff more sensibly.
mapping ExtraInfo(){
return ([
"native version" : native_version(),
"os build" : query_os_type(),
"architecture" : architecture(),
"upsince" : ctime(time() - uptime()),
"next boot" : nextboot(),
"ip" : HOST_IP,
"oob port" : PORT_OOB,
]);
}
void ConvertLists(){
if(classp(MudList)){
mapping TmpMap = ([]);
MudList = TmpMap;
MudList["ID"] = -1;
MudList["List"] = ([]);
SaveObject(SaveFile);
}
if(classp(ChannelList)){
mapping TmpMap = ([]);
ChannelList = TmpMap;
ChannelList["ID"] = -1;
ChannelList["List"] = ([]);
SaveObject(SaveFile);
}
}
int GetEnabled(){
return !(DISABLE_INTERMUD);
}
string GetMyIp(){
string ret = "127.0.0.1";
if(my_ip) ret = my_ip;
return ret;
}
void eventWrite(mixed val){
object prev = previous_object();
if(!prev || prev == this_object()
|| prev == find_object(PING_D)
|| prev == find_object(SERVICES_D)
|| prev == find_object(CMD_CHANBAN)
|| prev == find_object(CMD_CHANCREATE)
|| prev == find_object(CMD_CHANREMOVE)
|| prev == find_object(CMD_CHANUNBAN)){
::eventWrite(val);
}
}
static void eventSocketError(string str, int x) {
//debug_message(timestamp()+" i3 "+socket_error(x) + "\n");
if(query_os_type() == "windows" && grepp(socket_error(x), "Problem with connect")){
load_object("/secure/cmds/admins/mudconfig")->cmd("intermud disable");
}
}
#endif /* __PACKAGE_SOCKETS__ */
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