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

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/* /secure/obj/sefun.c
* from Dead Souls
* the mud sefun object
* created by Descartes of Borg 940213
*/
#define MAX_DUMMIES 8192
#define MAX_OBJECT 1024
#include <lib.h>
#include <dirs.h>
#include <cfg.h>
#include <daemons.h>
#include <commands.h>
#include <objects.h>
#include <privs.h>
#include <runtime_config.h>
#include "./sefun.h"
#include "/secure/sefun/absolute_value.c"
#include "/secure/sefun/names.c"
#include "/secure/sefun/communications.c"
#include "/secure/sefun/copy.c"
#include "/secure/sefun/domains.c"
#include "/secure/sefun/economy.c"
#include "/secure/sefun/english.c"
#include "/secure/sefun/events.c"
#include "/secure/sefun/expand_keys.c"
#include "/secure/sefun/files.c"
#include "/secure/sefun/format_page.c"
#include "/secure/sefun/get_object.c"
#include "/secure/sefun/identify.c"
#include "/secure/sefun/interface.c"
#include "/secure/sefun/light.c"
#include "/secure/sefun/load_object.c"
#include "/secure/sefun/log_file.c"
#include "/secure/sefun/messaging.c"
#include "/secure/sefun/morality.c"
#include "/secure/sefun/mud_info.c"
#include "/secure/sefun/ordinal.c"
#include "/secure/sefun/parse_objects.c"
#include "/secure/sefun/path_file.c"
#include "/secure/sefun/percent.c"
#include "/secure/sefun/persist.c"
#include "/secure/sefun/pointers.c"
#include "/secure/sefun/query_time_of_day.c"
#include "/secure/sefun/absolute_path.c"
#include "/secure/sefun/security.c"
#include "/secure/sefun/strings.c"
#include "/secure/sefun/this_agent.c"
#include "/secure/sefun/time.c"
#include "/secure/sefun/to_object.c"
#include "/secure/sefun/translate.c"
#include "/secure/sefun/users.c"
#include "/secure/sefun/visible.c"
#include "/secure/sefun/tail.c"
#include "/secure/sefun/sockets.c"
#include "/secure/sefun/local_time.c"
#include "/secure/sefun/get_livings.c"
#include "/secure/sefun/get_verbs.c"
#include "/secure/sefun/get_cmds.c"
#include "/secure/sefun/get_stack.c"
#include "/secure/sefun/timestamp.c"
#include "/secure/sefun/duplicates.c"
#include "/secure/sefun/reaper.c"
#include "/secure/sefun/custom_path.c"
#include "/secure/sefun/mappings.c"
#include "/secure/sefun/dummy.c"
#include "/secure/sefun/disable.c"
#include "/secure/sefun/make_workroom.c"
#include "/secure/sefun/query_invis.c"
#include "/secure/sefun/rooms.c"
#include "/secure/sefun/generic.c"
#include "/secure/sefun/arrays.c"
#include "/secure/sefun/reload.c"
#include "/secure/sefun/wipe_inv.c"
#include "/secure/sefun/numbers.c"
#include "/secure/sefun/inventory.c"
#include "/secure/sefun/findobs.c"
#include "/secure/sefun/ascii.c"
#include "/secure/sefun/wild_card.c"
#include "/secure/sefun/compare_array.c"
#include "/secure/sefun/legacy.c"
#include "/secure/sefun/atomize.c"
#ifdef LIVEUPGRADE_SERVER
#include "/secure/sefun/native_version.c"
#endif
#include "/secure/sefun/minimap.c"
#include "/secure/sefun/fuzzymatch.c"
#include "/secure/sefun/astar.c"
object globalob;
string globalstr;
mixed globalmixed, gargs, gfun, gdelay;
int last_regexp = time();
int regexp_count = 1;
int max_regexp = 200;
private static string *blacklist = ({});
private static string *jokes = ({"bind","call_out","call_other",
"unguarded","evaluate"});
#ifdef __FLUFFOS__
mixed copy(mixed val){
return efun::copy(val);
}
string base_name(mixed val){
if(!val) return "";
return efun::base_name(val);
}
#endif /* __FLUFFOS__ */
varargs object clone_object(string name, mixed args...){
int obsnum;
string prev;
prev = (base_name(previous_object()) || "");
if(strsrch(prev,"/realms/") && strsrch(prev,"/open/")){
return efun::clone_object(name, args...);
}
if(MEMUSE_SOFT_LIMIT && memory_info() > MEMUSE_SOFT_LIMIT){
return 0;
}
if(last(name,2) == ".c") name = truncate(name,2);
obsnum = sizeof( objects( (: base_name($1) == $(name) :) ) );
//The following means "allow new dummies up to a total
//of MAX_DUMMIES, but otherwise restrict the number of
//clones created of a particular file by a non-privileged
//object to MAX_OBJECT
if((name != LIB_DUMMY && obsnum > MAX_OBJECT) || obsnum > MAX_DUMMIES){
error("Too many cloned objects from an unprivileged source.");
}
return efun::clone_object(name, args...);
}
//Wodan removed saving binaries from FluffOS, causing a crasher
//if that config element is queried for in get_config().
mixed get_config(int i){
if(i == 6) return 0;
return efun::get_config(i);
}
//For some reason, FluffOS read_file() will read
//a zero-length file as a 65535 length T_INVALID variable.
//This tends to screw things up for Dead Souls.
varargs string read_file(string file, int start_line, int number_of_lines){
int sz = file_size(file);
if(sz < 1 || sz >= get_config(__MAX_STRING_LENGTH__)) return "";
return efun::read_file(file, start_line, number_of_lines);
}
//In FluffOS 2.13 and early versions of 2.14, check_memory()
//is a crasher.
string check_memory(int flag){
string ret;
#if 1
#ifdef __DEBUGMALLOC__
#ifdef __DEBUGMALLOC_EXTENSIONS__
#ifdef __PACKAGE_DEVELOP__
ret = efun::check_memory(flag);
#endif
#endif
#endif
#endif
if(!ret) ret = "";
return ret;
}
mapping rusage(){
#ifdef __HAS_RUSAGE__
return efun::rusage();
#else
return ([ "nivcsw" : 0, "isrss" : 0, "nsignals" : 0, "utime" : 0,
"oublock" : 0, "maxrss" : 0, "stime" : 0,
"nvcsw" : 0, "majflt" : 0, "nswap" : 0, "msgrcv" : 0,
"inblock" : 0, "minflt" : 0, "ixrss" : 0,
"msgsnd" : 0, "idrss" : 0 ]);
#endif
}
string dump_file_descriptors(){
if(!this_player() || !archp(this_player())){
return "";
}
return efun::dump_file_descriptors();
}
void reset_eval_cost(){
if(master()->valid_apply(({ "SECURE", "ASSIST" })))
efun::reset_eval_cost();
}
void set_eval_limit(int i){
if(master()->valid_apply(({ "SECURE", "ASSIST" })))
efun::set_eval_limit(i);
}
string debug_info(int debuglevel, mixed arg){
if(master()->valid_apply(({ "SECURE", "ASSIST" })))
return efun::debug_info(debuglevel, arg);
else return "This sefun is not available to unprivileged objects.";
}
string array groups(){
string *group_arr = ({});
string raw = read_file(CFG_GROUPS);
string *raw_arr = explode(raw,"\n");
foreach(string element in raw_arr){
string s1,s2,s3;
if(element[0..0] == "#"){
continue;
}
if(sscanf(element,"(%s)%s",s1,s2) < 1)
sscanf(element,"%s(%s)%s",s2,s1,s3);
if(s1) group_arr += ({ s1 });
}
return singular_array(group_arr);
}
varargs string socket_address(mixed arg, int foo){
return efun::socket_address(arg, foo);
}
varargs int call_out(mixed fun, mixed delay, mixed args...){
object prev = previous_object();
string prevbase, wat;
mapping callers = ([]);
string *raw = call_out_info();
int i = sizeof(raw);
mixed ret;
gargs = args;
gfun = fun;
gdelay = delay;
get_garbage();
if(prev) prevbase = base_name(prev);
else error("call_out with no previous_object()");
if(sizeof(raw) > MAX_CALL_OUTS && (strsrch(prevbase,"/secure/") &&
strsrch(prevbase,"/lib/") && strsrch(prevbase,"/std/") &&
strsrch(prevbase,"/obj/") &&
strsrch(prevbase,"/daemon/") && strsrch(prevbase,"/domains/"))){
int err;
globalmixed = prev;
err = catch(unguarded( (: destruct( globalmixed ) :) ));
error(prevbase+": Too many callouts!");
}
foreach(string foo in blacklist){
if(!strsrch(prevbase,foo)){
error("Object on call_out blacklist.");
}
}
if(stringp(fun)){
if(member_array(fun,jokes) != -1){
error("No jokes, please!");
}
globalmixed = prev;
fun = bind( (: call_other, globalmixed, gfun :) ,prev);
}
gfun = fun;
if(!strsrch(prevbase,"/open/")) error("call_out from /open");
if(strsrch(prevbase,"/secure/") && strsrch(prevbase,"/daemon/")){
#if CALL_OUT_LOGGING
unguarded( (: write_file("/log/secure/callouts",timestamp()+" "+
identify(previous_object(-1))+" "+identify((gargs || gfun))+"\n") :) );
#endif
while(i--){
if(sizeof(raw[i]) && objectp(raw[i][0])){
string *lol;
string wut;
lol = explode(base_name(raw[i][0]),"/");
wut = "/"+lol[0]+"/"+lol[1]+"/";
if(!(callers[wut])) callers[wut] = 1;
else callers[wut]++;
}
}
wat = "/"+explode(prevbase,"/")[0]+"/"+explode(prevbase,"/")[1];
if(callers[wat] && callers[wat] > 10){
if(!strsrch(prevbase,REALMS_DIRS) || callers[wat] > 100){
globalmixed = prev;
blacklist += ({ wat });
blacklist = singular_array(blacklist);
unguarded( (: destruct(globalmixed) :) );
error("Too many callouts from an unprivileged directory.");
}
}
}
if(sizeof(gargs)){
ret = efun::call_out(gfun, gdelay, gargs...);
}
else {
ret = efun::call_out(gfun, gdelay);
}
return ret;
}
string query_ip_number(object ob){
string ret;
if(!ob) ob = previous_object();
ret = ob->GetTeloptIp();
if(!ret) ret = efun::query_ip_number(ob);
if(!AUTO_WIZ || ob == previous_object()) return ret;
if(master()->valid_apply(({ "SECURE", "ASSIST" })))
return ret;
return "0.0.0.0";
}
//addr_server calls don't work well on Solaris and spam stderr
string query_ip_name(object ob){
if(!ob) ob = previous_object();
if(!strsrch(architecture(), "Solaris") ||
ob->GetTeloptIp()) return query_ip_number(ob);
if(!AUTO_WIZ || ob == previous_object()) return efun::query_ip_name(ob);
if(master()->valid_apply(({ "SECURE", "ASSIST" })))
return efun::query_ip_name(ob);
return "w.x.y.z";
}
string *query_local_functions(mixed arg){
object ob;
string *allfuns;
string *ret = ({});
if(objectp(arg)) ob = arg;
else if(stringp(arg)) ob = load_object(arg);
allfuns = functions(ob);
foreach(string subfun in allfuns){
mixed thingy = function_exists(subfun,ob,1);
if(thingy && thingy == base_name(ob) && member_array(subfun,ret) == -1)
ret += ({ subfun });
}
return ret;
}
object find_object( string str ){
object ret;
int err;
string thing;
if(!str || !stringp(str)) return 0;
err = catch(ret = efun::find_object(str));
if(err || !ret) return 0;
thing = base_name(ret);
if(!strsrch(thing, "/domains/")) return ret;
if(base_name(previous_object()) == SERVICES_D) return ret;
if(master()->valid_apply(({ "SECURE", "ASSIST", "SNOOP_D" }))) return ret;
if(base_name(ret) == "/secure/obj/snooper") return 0;
if(archp(ret) && ret->GetInvis()) return 0;
else return ret;
}
object find_player( string str ){
object ret = efun::find_player(str);
if(ret && !ret->GetInvis()) return ret;
if(base_name(previous_object()) == SERVICES_D) return ret;
if(master()->valid_apply(({ "SECURE", "ASSIST", "SNOOP_D" }))) return ret;
if(ret && archp(ret) && ret->GetInvis()) return 0;
else return ret;
}
object *livings() {
object *privlivs = efun::livings();
object *unprivlivs = ({});
#ifdef __FLUFFOS__
unprivlivs = filter(privlivs, (: !($1->GetInvis() && archp($1)) :) );
#else
foreach(mixed dude in privlivs){
if(archp(dude) && dude->GetInvis()) continue;
unprivlivs += ({ dude });
}
#endif
if(master()->valid_apply(({ "SECURE", "ASSIST", "SNOOP_D" }))) return privlivs;
if(base_name(previous_object()) == SERVICES_D) return privlivs;
else return unprivlivs;
}
varargs mixed objects(mixed arg1, mixed arg2){
object array tmp_obs;
if(!strsrch(base_name(previous_object()),"/secure/")){
if(base_name(previous_object()) == "/secure/obj/weirder"){
if(!arg1) return efun::objects();
return efun::objects(arg1);
}
if(this_player() && adminp(this_player())){
if(!arg1) return efun::objects();
return efun::objects(arg1);
}
}
if(arg1) tmp_obs = efun::objects(arg1);
else tmp_obs = efun::objects();
if(!(master()->valid_apply(({ "SECURE", "ASSIST", "SNOOP_D" }))) &&
base_name(previous_object()) != SERVICES_D){
#ifdef __FLUFFOS__
tmp_obs = filter(tmp_obs, (: !($1->GetInvis() && archp($1)) :) );
#else
foreach(mixed dude in tmp_obs){
if(dude && archp(dude) && dude->GetInvis()) tmp_obs -= ({ dude });
}
#endif
}
if(base_name(previous_object()) == SNOOP_D || archp(this_player())){
return tmp_obs;
}
if(!arg1){
return filter(tmp_obs, (: base_name($1) != "/secure/obj/snooper" :) );
}
if(arg1 && !arg2) {
object *ret_arr = ({});
if(!functionp(arg1)) return 0;
foreach(object ob in filter(tmp_obs, (: base_name($1) != "/secure/obj/snooper" :) )){
if(evaluate(arg1, ob)) ret_arr += ({ ob });
}
return ret_arr;
}
if(arg1 && arg2) {
object *ret_arr = ({});
if(!functionp(arg1)) return 0;
if(!objectp(arg2)) return 0;
foreach(object ob in filter(tmp_obs, (: base_name($1) != "/secure/obj/snooper" :) )){
if(call_other(arg2, arg1, ob)) ret_arr += ({ ob });
}
return ret_arr;
}
else return ({});
}
#ifdef __FLUFFOS__
mixed array users(){
object *ret = filter(efun::users(), (: ($1) && environment($1) :) );
if(!(master()->valid_apply(({ "SECURE", "ASSIST", "SNOOP_D" }))) &&
base_name(previous_object()) != SERVICES_D)
ret = filter(ret, (: !($1->GetInvis() && archp($1)) :) );
return ret;
}
#else
mixed array users(){
object *ret = ({});
if(sizeof(efun::users()))
foreach(mixed foo in efun::users()){
if(objectp(foo) && environment(foo)) ret += ({ foo });
}
if(!(master()->valid_apply(({ "SECURE", "ASSIST", "SNOOP_D" }))) &&
base_name(previous_object()) != SERVICES_D)
foreach(mixed foo in ret){
if(foo->GetInvis() && archp(foo)) ret -= ({ foo });
}
return ret;
}
#endif
int destruct(object ob) {
string *privs;
string tmp;
int ok;
if(!ob) return 0;
privs = ({ file_privs(file_name(ob)) });
if(!previous_object() || previous_object() == master() ||
previous_object() == this_object()) ok = 1;
else if(master()->valid_apply(({ "ASSIST" }) + privs)) ok = 1;
else if(previous_object(0) && tmp = query_privs(previous_object(0))){
if(previous_object(0) == ob) ok = 1;
if(member_array(PRIV_SECURE, explode(tmp, ":")) != -1) ok = 1;
}
if(DESTRUCT_LOGGING){
string stat = "FAIL";
if(ok) stat = "success";
log_file("destructs",timestamp()+"\n"+stat+"\n"+get_stack(1)+"\n--\n");
}
if(ob == this_object()){
if( !(master()->valid_apply(({ "SECURE" }))) )
error("Illegal attempt to destruct SEFUN: "+get_stack()+" "+identify(previous_object(-1)));
}
if(ok) return efun::destruct(ob);
else return 0;
}
int valid_event(object dester, object dested){
string desterbase, destedbase, topdester, topdested;
string contextdester, contextdested;
int i;
if(!dester || !dested) return 0;
return 1;
desterbase = base_name(dester);
destedbase = base_name(dested);
i = sscanf(desterbase,"/%s/%s/%*s", topdester, contextdester);
if(topdester != "realms" && topdester != "open") return 1;
i = sscanf(destedbase,"/%s/%s/%*s", topdested, contextdested);
if(contextdested && contextdester && contextdested == contextdester){
return 1;
}
return 0;
}
static void shutdown_logic(int code){
efun::shutdown(code);
}
varargs void shutdown(int code) {
object *persistents;
object portals = find_object(PORTAL_D);
object rooms = find_object(ROOMS_D);
object players = find_object(PLAYERS_D);
if(!(master()->valid_apply(({"ASSIST"}))) &&
!(master()->valid_apply(({"SECURE"})))) return;
if(code == -9) efun::shutdown(code);
else call_out( (: shutdown_logic :), 0, code);
if(this_player())
log_file("shutdowns", this_player()->GetCapName()+
" shutdown "+mud_name()+" at "+ctime(time())+"\n");
else log_file("shutdowns", "Game shutdown by "+
file_name(previous_object(0))+" at "+ctime(time())+"\n");
persistents = objects( (: $1->GetPersistent() :) );
if(portals) catch( portals->eventDestruct() );
if(rooms) catch( rooms->eventDestruct() );
if(players) catch( players->eventDestruct() );
persistents->SaveObject();
}
int valid_snoop(object snooper, object target){
if(member_group(target, PRIV_SECURE)) {
message("system", snooper->GetCapName()+" is trying to snoop "
"you.", target);
if(!member_group(snooper, PRIV_SECURE)) return 0;
}
if(archp(snooper)) return 1;
if( base_name(snooper) == "/secure/obj/snooper" ) return 1;
//Uncomment the following line to let cres snoop players
//if(creatorp(snooper) && playerp(target)) return 1;
if(snooperp(snooper) && creatorp(snooper) && playerp(target)) return 1;
return 0;
}
varargs object snoop(object who, object target) {
if(!target) return efun::snoop(who);
if(!creatorp(who) && base_name(who) != "/secure/obj/snooper" ) return 0;
if(!(master()->valid_apply(({ "ASSIST" })))) {
if(!(target->query_snoopable())) return 0;
else return efun::snoop(who, target);
}
else if(member_group(target, PRIV_SECURE)) {
message("system", who->GetCapName()+" is now snooping "
"you.", target);
return efun::snoop(who, target);
}
else return efun::snoop(who, target);
}
object query_snoop(object ob) {
if(base_name(previous_object()) != SNOOP_D)
return 0;
return efun::query_snoop(ob);
}
object query_snooping(object ob) {
if(!(master()->valid_apply(({})))) return 0;
else return efun::query_snooping(ob);
}
int exec(object target, object src) {
string tmp;
int ret;
tmp = base_name(previous_object());
if(tmp != LIB_CONNECT && tmp != CMD_ENCRE && tmp != CMD_DECRE
&& tmp != SU && tmp != RELOAD_D) return 0;
if(objectp(target) && objectp(src)) ret = efun::exec(target, src);
return ret;
}
void write(string str) {
if(this_player()) message("my_action", str, this_player());
else efun::write(str);
}
void set_privs(object ob, string str) { return; }
void notify_fail(string str) {
if( !this_player() ) return;
if( str[<1..] == "\n" ) str = str[0..<2];
this_player()->SetCommandFail(str);
}
/* want to handle colours, but do it efficiently as possible */
string capitalize(mixed str) {
string *words, *tmp;
int i;
if(objectp(str)) str = str->GetKeyName();
/* error condition, let it look like an efun
* mmmm let's not
* if( !str || str == "" ) return efun::capitalize(str);
*/
if(!str) str = "";
/* most strings are not colour strings */
if( strlen(str) < 2 || str[0..1] != "%^" ) return efun::capitalize(str);
/* god help us */
words = explode(str, " ");
/* ok, this is strange, but remember, colours are all caps :) */
tmp = explode(words[0], "%^");
for(i=0; i<sizeof(tmp); i++) tmp[i] = efun::capitalize(tmp[i]);
words[0] = "%^" + implode(tmp, "%^") + "%^";
return implode(words, " ");
}
string *efuns(){
return sort_array(MASTER_D->GetEfuns(),1);
}
string *sefuns(){
return sort_array(functions(this_object()),1);
}
int efun_exists(string str){
if(member_array(str,MASTER_D->GetEfuns()) != -1) return 1;
return 0;
}
int sefun_exists(string str){
if(member_array(str,functions(this_object())) != -1) return 1;
return 0;
}
#if efun_defined(query_charmode)
varargs int in_input(object ob){
int ret;
if(ob) globalob = ob;
else globalob = previous_object();
if(!(efun::query_charmode(globalob)) &&
!(globalob->GetProperty("was_charmode")) &&
!(globalob->GetCharmode())){
if(efun::in_input(globalob)) ret = 2;
}
return (ret ? 1 : 0);
}
int query_charmode(object ob){
if(ob) globalob = ob;
else globalob = previous_object();
return efun::query_charmode(globalob);
}
#else
int query_charmode(object ob){
return -1;
}
#endif
int in_pager(object ob){
if(ob) globalob = ob;
else globalob = previous_object();
if(in_edit(globalob) || in_input(globalob)) return 1;
if(globalob->GetProperty("was_charmode") &&
!query_charmode(globalob)){
//Ok, a bit counterintuitive, but the deal is that if you WERE in
//charmode, and aren't anymore, the only reason for this is that
//charmode is temporarily suspended so you can navigate a pager.
return 1;
}
return 0;
}
varargs void input_to(mixed fun, int flag, mixed args...){
object prev = previous_object();
object player = this_player();
int was;
gargs = args;
gfun = fun;
gdelay = flag;
if(!prev){
error("input_to with no previous_object()");
}
if(stringp(fun)){
if(member_array(fun,jokes) != -1){
error("Please, no jokes!");
}
globalmixed = prev;
fun = bind( (: call_other, globalmixed, gfun :) ,prev);
}
gfun = fun;
if(player && player->GetCharmode()){
#if efun_defined(remove_get_char)
remove_get_char(player);
was = 1;
#endif
#if efun_defined(remove_charmode)
remove_charmode(player);
was = 1;
#endif
player->SetProperty("was_charmode", 1);
}
if(sizeof(gargs)){
efun::input_to(gfun, gdelay, gargs...);
}
else {
efun::input_to(gfun, gdelay);
}
}
/* Do not use this sefun directly. */
varargs mixed file_present_logic(string str, object ob, int i){
int cloned;
mixed *rets = ({});
if(objectp(str) || strsrch(str,"/")){
return efun::present(str, ob);
}
if(grepp(str,"#")) cloned = 1;
foreach(mixed item in all_inventory(ob)){
if(cloned && file_name(item) == str) rets += ({ item });
else if(!cloned && base_name(item) == str) rets += ({ item });
}
if(i && sizeof(rets)) return rets;
else if(sizeof(rets)) return rets[0];
return 0;
}
varargs mixed present_file(mixed str, mixed ob, int i){
object ret, env, *rets = ({});
if(!str) return 0;
if(objectp(str)) str = base_name(str);
if(ob){
ret = file_present_logic(str, ob, i);
if(ret) return ret;
}
else {
ob = previous_object();
if(ob){
ret = file_present_logic(str, ob, i);
if(ret) return ret;
env = environment(ob);
if(env) ret = file_present_logic(str, env, i);
if(ret) return ret;
}
}
return 0;
}
varargs mixed present_bonus(mixed str, mixed ob, int i){
mixed thingies = ( filter( all_inventory(ob),
(: $1->GetBonusName() :) ) || ({}) );
thingies = filter(thingies,(: $1->GetBonusName() == $(str) :));
if(!i && sizeof(thingies)) return thingies[0];
else if(sizeof(thingies)) return thingies;
return 0;
}
int shadow_unhooked(){
object ob = previous_object();
return !(inherits(LIB_SHADOW_HOOK, ob));
}
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