// vim:foldmethod=marker:syntax=lpc:noexpandtab // $Id: library.i,v 1.335 2008/02/18 20:52:00 lynx Exp $ #include #include #include #include #ifdef SERVER_URL # define myUNL SERVER_URL #else volatile string myUNL; #endif volatile string myUNLIP; volatile string myLowerCaseHost; volatile mapping targets = ([]); volatile mapping schemes = ([]); volatile mapping services = ([]); #ifdef CACHE_PRESENCE // volatile until we have a logic which at boot-time figures out if we // have been down only a few seconds (thus keep the presence data) or // if it was longer than that (thus delete the cache) volatile mapping presence_cache = ([ ]); #endif /* used for things that have a context but are no places * could possible be used to keep room members as well * so they are persistent during reloads * if the index is a local user this will contain the * group of his online friends */ volatile mapping contexts = ([]); // in lack of a better name.. mapping confmap = ([]); // system net/queue of outgoing messages per circuit // shared between circuits but kept here for storage between reboots mapping systemQ; // protos //string legal_name(string n); //string legal_mailto(string a); int psyc_sendmsg(mixed target, string method, mixed data, mapping vars, int showingLog, mixed source, array(mixed) uniform); // register a delivery object for a UNL // first argument *must* be lower_case varargs int register_target(string uniform, vaobject handler, vaint shy) { PROTECT("REGISTER_TARGET") #if DEBUG > 0 unless (uniform) raise_error("register_target without uniform\n"); #endif #if 0 //def BETA if (query_server_unl() == uniform) raise_error("register_target for root!?\n"); #endif if (targets[uniform]) { D2( unless (handler) handler = previous_object(); if (targets[uniform] != handler) // TODO:: way higher debug level here! PP(("register_target: %O(%O) wants to register %O, " "but it already belongs to %O(%O), " "replacing handler.\n", handler, query_ip_name(handler), uniform, targets[uniform], query_ip_name(targets[uniform]))); ) if (shy) return 2; } unless (handler) handler = previous_object(); P2(("register_target(%O) by %O\n", uniform, handler)) targets[uniform] = handler; #if 0 // this shouldn't be necessary TODO uniform = lower_case(uniform); if (targets[uniform]) return 1; targets[uniform] = handler; #endif return 1; } object find_target_handler(string target) { return targets[target]; } // LOCALHOST STUFF string query_server_unl() { return myUNL; } // proto.h! string query_server_unl_ip() { return myUNLIP; } string my_lower_case_host() { return myLowerCaseHost; } static varargs void ready_freddie(vamixed ip) { object root; mixed t, h; // why PROTECT("SET_MY_IP") a static function? #ifndef __HOST_IP_NUMBER__ // once is not enough.. what if the dsl line crashes and now has a new one? // we could be so smart not to need restarts! we don't use myIP for all that // much.. so maybe it's fine just ignoring it.. as long as we know all of // our hostnames.. unless (stringp(ip)) raise_error("Cannot resolve my own hostname!\n"); myIP = ip; register_localhost(myLowerCaseHost, ip); myUNLIP = "psyc://"+ ip; if (query_udp_port() != PSYC_SERVICE) myUNLIP += ":" + query_udp_port(); myUNLIP += "/"; D("Dynamic Server UNLs: "+ myUNL +" and "+ myUNLIP +"\n"); #endif #ifndef __PIKE__ // we need to load the root object async from create() // so it can use the library itself. that's why we first // register all targets to the master, then remap them. root = load_object(NET_PATH "root"); psyc_name(root, ""); mapeach(t, h, targets) { if (h == master) targets[t] = root; } D("»»» Root entity ready.\n"); P4(("targets remapped to root entity: %O\n", targets)) #endif } // no way! you can't have a msg() in library because lastlog's call on msg() // ends up here instead of resolving into a user->msg(). ok, you can fix // that, but essentially there is a risk of breaking some function calls // somewhere if you define popular lfuns also in the library. // //int msg(mixed source, string mc, mixed data, mapping vars, mixed target) { // raise_error("got msg() in library!\n"); //} static void create() { PROTECT("CREATE") #ifndef __PIKE__ master = previous_object(); restore_object(DATA_PATH "library"); systemQ = qCreate(); // should all entity queues be persistent // instead of having q AND systemQ here? #endif // __PIKE__ #ifdef TESTSUITE ME->base64_self_test(); if (md5("foobar") != "3858f62230ac3c915f300c664312c63f") raise_error("MD5 is br0ken!!11!!!\n"); # if __VERSION_MINOR__ > 3 || __VERSION_MICRO__ > 610 sasl_test(); # else # echo SASL digest-md5 currently disabled for old LDMUDs. # endif //P4(("%O\n", make_json( ([ 7:"33\n44\t21", "!":93 ]) ))) printf("Testing make_json: Is %O equal to %O ?\n", make_json( ([ "7":"33\n44\t21", "!":93, "struct":([ "yeh":({1,2}) ]) ]) ), "{\"7\":\"33\\n44\\t21\",\"!\":93,\"struct\":{\"yeh\":[1,2]}}"); printf("Testing parse_json: Is %O equal to %O ?\n", parse_json( "{\"7\":\"33\\n44\\t21\",\"!\":93,\"struct\":{\"yeh\":[1,2]}}"), ([ "7":"33\n44\t21", "!":93, "struct":([ "yeh":({1,2}) ]) ]) ); #endif #ifdef PRO_PATH ME->pro_create(); #endif #ifdef MUDOS D("Trying to run under MUDOS. Probably won't get very far..\n"); #endif #ifdef __LDMUD__ # ifndef __psyclpc__ # echo Warning: You aren't using a psyclpc driver. This may cause trouble. # else # ifdef __NO_SRV__ # echo Warning: DNS SRV is unavailable. # ifdef JABBER_PATH # echo ... XMPP will not work correctly!! # endif # endif # endif //# echo Running under LDMUD. Good choice for a driver. //# if !__EFUN_DEFINED__(errno) //# echo Warning: This driver is missing the errno function. //# endif # if !__EFUN_DEFINED__(net_connect) # echo Warning: This driver is missing the net_connect function. # endif # if !__EFUN_DEFINED__(convert_charset) # echo Warning: This driver is missing iconv (convert_charset) support. # ifdef JABBER_PATH # echo ... XMPP will not work correctly!! # endif # endif #endif #ifdef AMYLAAR # if __EFUN_DEFINED__(lambda) D("Running under Amylaar LPMUD. You should upgrade to psyclpc.\n"); # else D("Unrecognized LPC driver. Using Amylaar settings.\n"); # endif #endif #ifdef VOLATILE D("VOLATILE flag set: Server will not save any data.\n"); #endif myLowerCaseHost = lower_case(SERVER_HOST); register_localhost(myLowerCaseHost); #ifdef __PIKE__ //debug_write("Creating psyced library in Pike.\n"); #else register_target(""); register_target("/"); register_target(myLowerCaseHost); #endif #ifdef LOCAL_HOSTS // compatible to the other stuff in hosts.h # echo Setting up local host aliases. foreach(string x : ({ LOCAL_HOSTS })) if (index(x, '.') > 0) register_localhost(lower_case(x)); else debug_message("Invalid local hostname '"+x +"' in #define LOCAL_HOSTS\n"); #else # ifdef VIRTUAL_HOSTS // is this being used anywhere? foreach(string x : explode(VIRTUAL_HOSTS, " ")) if (index(x, '.') > 0) register_localhost(lower_case(x)); else debug_message("Invalid virtual hostname '"+x +"' in #define VIRTUAL_HOSTS\n"); # endif #endif #if SYSTEM_CHARSET != "UTF-8" D("»»» System charset: " SYSTEM_CHARSET "\n"); #endif #ifdef myUNL unless (trail("/", myUNL)) { debug_message("*** Invalid server uniform: '"+ myUNL +"' has to end in a '/' ***\n"); shutdown(); } #else myUNL = "psyc://"+ myLowerCaseHost; if (query_udp_port() != PSYC_SERVICE) myUNL += ":" + query_udp_port(); register_target(myUNL); myUNL += "/"; register_target(myUNL); #endif #ifdef __HOST_IP_NUMBER__ myUNLIP = "psyc://"+ __HOST_IP_NUMBER__; if (query_udp_port() != PSYC_SERVICE) myUNLIP += ":" + query_udp_port(); register_target(myUNLIP); myUNLIP += "/"; register_target(myUNLIP); # if __HOST_NAME__ != SERVER_HOST D("»»» Using IP# " __HOST_IP_NUMBER__ " known as " __HOST_NAME__ " but given as " SERVER_HOST ".\n"); # else D("»»» Using IP# " __HOST_IP_NUMBER__ " known as " __HOST_NAME__ ".\n"); # endif D("»»» Static Server UNLs: "+ myUNL +" and "+ myUNLIP +"\n"); // the callout delay is too long.. maybe we should plug this // into some other place? sigh. call_out(#'ready_freddie, 0); #else //register_localhost(myLowerCaseHost, "127.0.0.1"); // inbetween... # ifndef __PIKE__ dns_resolve(myLowerCaseHost, #'ready_freddie); # endif #endif #ifdef JABBER_PATH register_target("xmpp:"+ myLowerCaseHost); # ifdef JABBER_HOST register_localhost(lower_case(JABBER_HOST)); register_target(lower_case(JABBER_HOST)); register_target("xmpp:"+ lower_case(JABBER_HOST)); # endif #endif // base64decode("test2000"); // D("Digest: ->"+ make_digest("ABCDEFG", "MD5") +"<-\n"); //#ifdef PSYC_SYNCHRONIZE // // we could generalize this into a _request_circuit_persistent // // which tells both sides of the circuit to disable 'pushback' // // and keep queues persistent forever // //call_out(#'psyc_sendmsg, 1, PSYC_SYNCHRONIZE, "_request_synchronize", // call_out(#'sendmsg, 1, PSYC_SYNCHRONIZE, "_request_synchronize", // "I'm up and ready for some hot sync action!", ([ ]), // query_server_unl()); //, parse_uniform(PSYC_SYNCHRONIZE)); //# echo PSYC_SYNCHRONIZE activated. //#endif } // the key is intended to be a uniform, the setting a (psyc) keyword varargs mixed config(mixed key, string setting, mixed value) { unless (key) { P1(("config for %O: %O -> %O from %O. map is %O.\n", key, setting, value, previous_object(), confmap)) return 0; // no uncontrolled write access to confmap } if (value) { P2(("config for %O: %O -> %O from %O. was: %O\n", key, setting, value, previous_object(), confmap[key])) unless (member(confmap, key)) confmap[key] = ([]); return confmap[key][setting] = value; } if (setting) { unless (member(confmap, key)) return 0; return confmap[key][setting]; } return copy(confmap[key]); // no uncontrolled write access } # ifndef __PIKE__ /* * what this notify context stuff is about: * we could multicast presence * this will build the data structure necessary for this * currently only for remote users * for local users we dont need to use this bandwidth optimization * but it may reduce code if we can streamline this * * TODO: delete local user from this context if he goes offline * */ // set local object as handler for context void set_context(object localo, mixed context) { P3(("set %O as context for %O\n", localo, context)) PROTECT("SET_CONTEXT") contexts[context] = localo; } // calling "join" is inappropriate for places, isnt it? varargs void register_context(object localuser, mixed context, array(mixed) u) { P3(("register %O in context %O\n", localuser, context)) PROTECT("REGISTER_CONTEXT") unless(contexts[context]) { contexts[context] = clone_object(NET_PATH "group/slave"); #ifdef PERSISTENT_SLAVES /* persistent cslaves code following */ contexts[context]->load(context, u); #endif } contexts[context] -> insert_member(localuser); } void deregister_context(object localuser, mixed context) { PROTECT("DEREGISTER_CONTEXT") if(objectp(contexts[context])) contexts[context] -> remove_member(localuser); // TODO: clean up empty contexts? } mixed find_context(mixed context) { P3(("searching for %O in %O\n", context, contexts)) // do we really want that qName() in here? return contexts[objectp(context) ? context -> qName() : context ]; } #ifdef CACHE_PRESENCE /* this is a rather centralistic approach to presence caching * probably it is better to do this in the respective group/slave clones */ varargs int persistent_presence(mixed who, int availability) { // anything else but PROTECT() is too expensive PROTECT("PERSISTENT_PRESENCE") // only cache for remote people here // we could also store a timestamp here so we know how up2date this // information is.. for now let's simply delete the cache if the // server restart took too long if (availability) presence_cache[who] = availability; // timestamps: return AVAILABILITY_UNKNOWN if the information is too old? // it is to be proven if timestamps are useful at all, so better // gain some experience without them, first. return presence_cache[who]; } #endif #ifdef SYSTEM_SECRET // just use the define directly.. //string server_secret_of_the_day() { return SYSTEM_SECRET; } #else # ifdef RANDHEXSTRING // used by jabber's dialback thang // in contrast, this is ultimatevily important volatile string ssotd; string server_secret_of_the_day() { // if available, use sha256 for hashing please unless (ssotd) ssotd = RANDHEXSTRING; return ssotd; } # endif #endif mapping system_queue() { P3(("system_queue: %O\n", systemQ)) PROTECT("SYSTEM_QUEUE") return systemQ; } // create a named clone -- amylaar only object named_clone(string file, string name) { // string rc; // should use return value? P3(("named_clone %O for %O. stack: %O\n", file, name, caller_stack())) PROTECT("NAMED_CLONE") P2(("legal_name(%O) for named_clone of %O\n", name, file)) unless (name = legal_name(name)) return (object)0; file += "#" + name; // D(name +" is to be summoned --------------------------------\n"); // rc = file -> sName(name); // return find_object(file); return file -> sName(name); } #endif //PIKE #ifndef USE_LIVING volatile mapping people = ([]); void register_person(string name, object o) { PROTECT("REGISTER_PERSON") if (o) people[name] = o; else m_delete(people, name); P3(("register_person(%O, %O)\n", name, o)) } // .... the lowercazed optimization actually doesn't // help, there is hardly a use for it.. so it may disappear again. varargs object find_person(string name, vaint lowercazed) { if (!lowercazed) name = lower_case(name); return people[name]; } int amount_people() { return sizeof(people); } array(object) objects_people() { PROTECT("OBJECTS_PEOPLE") return m_values(people); } #endif //object relay; // could get used by servers aswell, huh? varargs object summon_person(string nick, vamixed blueprint) { object o; P2(("summon_person %O of %O for %O\n", nick, blueprint, previous_object())) PROTECT("SUMMON_PERSON") unless (stringp(nick)) { D(S("%O: request from %O to summon_person %O, %O\n", ME, previous_object(), nick, blueprint)); return 0; } if (o = find_person(nick)) return o; #if 0 //def RELAY_OBJECT // unless (relay) relay = find_object(RELAY_OBJECT); // unless (relay) return 0; // return relay; // return RELAY ":"+ nick; return named_clone(NET_PATH "irc/ghost", nick); #else // should it be "person" ? unless(blueprint) blueprint = DEFAULT_USER_OBJECT; // no, because person currently doesnt work standalone return named_clone(blueprint, nick); #endif } // look up interface.h for a macro doing the same job #ifndef is_formal string is_formal(string nicki) { // uniform does not check for objects, so you MUST do that // yourself first. //unless (stringp(nicki)) return 0; // // checking for colon after scheme should actually be enough // but we also check for user@host syntax, which in the long // term could be interpreted as "find out which scheme works" // for this person (psyc, xmpp, mailto..) // # echo We don't get here anyway. # if 1 //def EXPERIMENTAL if (index(nicki, ':') != -1 || index(nicki, '.') != -1) return nicki; # else if (index(nicki, ':') != -1 || index(nicki, '@') != -1) return nicki; # endif return 0; } #endif #ifndef lower_uniform // same thing, but returns lowercased name // not useful for xmpp urls, but elsewhere sometimes string lower_uniform(string nicki) { if (index(nicki, ':') != -1 || index(nicki, '@') != -1) return lower_case(nicki); return 0; } #endif void register_scheme(string scheme) { PROTECT("REGISTER_SCHEME") services[scheme] = schemes[scheme] = previous_object(); } void register_service(string service) { PROTECT("REGISTER_SERVICE") services[service] = previous_object(); } object find_service(string service) { object o; // schemes are outgoing gateways, but also // incoming gateways are services, therefore // newsfeeds etc need to do a register_service() // currently we just keep them in the same mapping // and see if thats good or bad.. if (services[service]) return services[service]; #ifndef __PIKE__ #ifdef SERVICE_PATH else { if (o = ((SERVICE_PATH + service) -> load())) return services[service] = o; } #endif #endif // PIKE //return find_object("/service/"+ service); } #ifndef ADMINISTRATORS #define ADMINISTRATORS #endif #ifndef OPERATORS #define OPERATORS #endif volatile array(mixed) admins = ({ ADMINISTRATORS }); volatile array(mixed) opers = ({ OPERATORS }); // returns "percentage" of bosslihood // currently only 0, 50 and 100 is used // int boss(mixed guy) { if (objectp(guy)) { #ifdef BOSS_HOST_IP if (query_ip_number(guy) == BOSS_HOST_IP) return 90; #endif guy = guy -> qName(); } if (stringp(guy)) guy = lower_case(guy); if (index(opers, guy) >= 0) return 50; if (index(admins, guy) >= 0) return 100; return 0; } mixed find_place(mixed a) { string path, err; object o; if (objectp(a)) return a; if (path = lower_uniform(a)) return path; unless (a = legal_name(a)) return 0; path = PLACE_PATH + lower_case(a); // assumes amylaar o = find_object(path); if (o) return o; // PT(("trying to load %O from %O..\n", a, path)) // return ME seitens des places wäre netter.. #ifndef __PIKE__ // TPD err = catch(o = path -> load(a)); #endif //PIKE D1(if (err) D("Error loading place: "+err);) if (objectp(o)) { ASSERT("find_place", o == find_object(path), path) return o; } P1(("Warning: place %O did not return ME on load()\n", path)) return find_object(path); // auch egal } #ifdef PUBLIC_PLACES // format "localname/uniform", "description", ... volatile array(string) _places = ({ PUBLIC_PLACES }); // the name 'public_places()' confuses vim's syntax detection // of lpc.. because 'public' is an lpc keyword.. heehee array(string) advertised_places() { return _places; } #endif #if !defined(SMTP_PATH) || !defined(PRO_PATH) string legal_mailto(string a) { unless (stringp(a) && strlen(a) > 5) return 0; if (index(a, '@') < 1 || index(a, '.') < 3 || index(a, ' ') >= 0) return 0; return lower_case(a); } #endif // thanks to saga this does now convert hex to integer.. :) // // modern ldmud now offers hex2int in form of // #define hex2int(HEX) to_int("0x"+ HEX) // i think we should provide hex2int() either // as macro or library function depending on // ldmud version. int hex2int(string hex) { int x, i, r, len = strlen(hex); each (x, lower_case(hex)) { unless ((x>='0' && x<='9') || (x>='a' && x<='f')) return 0; if (x >= 'a' && x <= 'f') { x -= 87; } else { x -= 48; } // D(S("x: %d\n", x)); r += to_int(x * pow(16, len - ++i)); } return r; } #if 0 // only used by /lu these days int greater_user(object a, object b) { return file_name(a) > file_name(b); } object* sorted_users() { return sort_array(users(), #'greater_user; } #endif int xmpp_sendmsg(mixed target, string mc, mixed data, mapping vars, mixed source, array(mixed) u, int showingLog, string otarget) { string tmp; object o; // we use C:xmpp:host(:port) as an object name // we can change that if it is confusing //tmp = u[UCircuit] || "xmpp:"+ u[UHostPort]; // xmpp://user@host is not valid. should probably send an error if (u[USlashes] == "//") { P2(("xmpp uniform uslashes set, bailing out\n")) return -1; } tmp = "xmpp:"+ u[UHostPort]; if (o = targets[tmp]) { P2(("%O to be delivered on %O\n", otarget, o )) } else if (is_localhost(u[UHost])) { unless (u[UUser]) { P0(("Intercepted %O to %O from %O\n", mc, target, source)) // 0 makes sendmsg try to relay via xmpp.scheme.psyced.org // but fippo doesn't like that return -4; } // this is a lot simpler than find_psyc_object() if (u[UUser][0] == '*' || u[UUser][0] == '#') // DASH_COMPAT o = find_place(u[UUser][1..]); else o = summon_person(u[UUser]); // we get here when net/jabber/* doesn't do this job itself // as in fact it probably shouldn't in many cases. } else { #ifdef JABBER_PATH # ifdef QUEUE_WITH_SCHEME o = ("C:"+tmp)-> circuit(u[UHost], u[UPort] || JABBER_S2S_SERVICE, 0, "xmpp-server", tmp, systemQ); # else o = ("C:"+tmp)-> circuit(u[UHost], u[UPort] || JABBER_S2S_SERVICE, 0, "xmpp-server", u[UHostPort], systemQ); # endif register_target(tmp, o); // traditional co-hosting using port // number in uniform is not legal in jabber if (u[UPort]) register_target("xmpp:"+ u[UHost], o); #else // we could as well return 0 here, then sendmsg would // ask xmpp.scheme.psyced.org for relay services.. // but fippo doesn't like that return source -> w("_error_unavailable_scheme", "Scheme '[_scheme]' is not available", ([ "_scheme" : "xmpp" ])); #endif } register_target(target, o); return o->msg(source,mc,data,vars, showingLog,otarget); } #ifndef FORK // PSYC-enabled message delivery function varargs mixed sendmsg(mixed target, string mc, mixed data, vamapping vars, vamixed source, vaint showingLog, vaclosure callback, varargs vamixed extra) { // proto.h! mixed tmp; array(mixed) u; object o; P3(("sendmsg(%O,%O,%O,..,%O,%O,%O)\n", target, mc, data, source, showingLog, callback)) #ifdef SANDBOX // we can't avoid having this check in here, so we better avoid // having two parallel security systems for the sandbox and thus // disallow sending psyc messages without using sendmsg().. // this keeps the sandbox tidy and intelligible :) // if (extern_call() && (!geteuid(previous_object()) || stringp(geteuid(previous_object())) && geteuid(previous_object())[0] != '/')) { unless (source == previous_object() || source == vars["_context"]) { raise_error(sprintf("INVALID SENDMSG by %O(%O) (pretended " "to be target/context %O/%O\n", previous_object(), geteuid(previous_object()), target, vars["_context"])); } } #endif unless (source) source = previous_object(); //#ifndef EXPERIMENTAL // entity.c doesn't allow vars to be missing so we might // just aswell enforce it in the whole psyced source that // vars always need to be given as mapping. TODO // i changed the behaviour of entity.c because vars are missing // everywhere.. unless (mappingp(vars)) vars = ([]); //#endif #ifdef TAGGING /* I dont remember exactly why I did not want this * for stringp sources... but for pushback, it should * execute even for stringp(source) * was objectp(source), changed to just 'source' to * ensure origin hasn't been destructed in the meantime * should we restore it in such a case? */ #endif // target = lower_case(target) ist fuer xmpp nicht // gut, weil der resource-teil dort case-sensitive // ist... der node@domain-Part aber nicht if (stringp(target)) { int i; string otarget; #ifdef _flag_encode_uniforms_IRC // TODO: move this to net/irc if anyone cares // ist das nicht ein alter hack fuer net/irc? // wieso issn der in der lib? // alt aber immer noch aktiv... sagt fippo 2007-05-20 // 2007-12-27 problem with this when people // use a msn transport which encodes their // buddies as xmpp:user%host@msntransport // this code simply does not belong here, but // should be in irc/user::sendmsg and check // for verbatimuniform setting if ((i = index(target, '%')) != -1) { target[i] = '@'; } // vielleicht geht !verbatimuniform sonst nicht // vielleicht weiß fippo genaueres #endif otarget = target; target = lower_case(target); #if 1 //D("sendmsg for "+target+"\n"); tmp = targets[target]; if (tmp) { // && interactive(tmp)) { P2(("delivery agent %O for %O (%s)\n", tmp, target, mc || "0")) return tmp->msg(source, mc, data, vars, showingLog, otarget); } // no, we don't do any cleaning of the targets mapping // because reconnecting will probably fill the slot again // // and this also is of no use: //else if (tmp = find_object(target)) target = tmp; // object names are sound and smoke. #else // if (member(targets, target)) { // tmp = targets[target]; // if (tmp) return tmp -> msg(source, mc, data, vars, // showingLog, target); // else m_delete(targets, target); // } #endif if (u = parse_uniform(target)) { P4(("sendmsg: %O parsed as %O\n", target, u)) // previous_object()->w( // "_error_invalid_uniform", // "Looks like a malformed URL to me."); // return 0; // } switch(u[UScheme]) { #ifdef PSYC_PATH case "psyc": return psyc_sendmsg(target, mc, data, vars, showingLog, source, u); #endif case "xmpp": #ifdef SWITCH2PSYC P4(("LOOKing for %O in %O\n", "psyc://"+u[UHost]+"/", targets)) tmp = targets["psyc://"+u[UHost]+"/"]; if (tmp) { // && interactive(tmp)) { PT(("SWITCH2PSYC delivery %O for %O (%s)\n", tmp, target, mc || "0")) // we should very probably generate a redirect here instead! TODO return tmp->msg(source, mc, data, vars, showingLog, otarget); } #endif // actually jabber does not allow other ports // in the url.. but anyway, here // comes a jabber implementation which does. // so you can only use it to debug jabber // code of other psyceds ;) // if (xmpp_sendmsg(target, mc, data, vars, source, u, showingLog, otarget)) return 5; break; #ifdef SMTP_PATH case "mailto": unless (tmp = legal_mailto(u[UUserAtHost])) { sendmsg(source, "_error_invalid_mailto", "Sorry, that doesn't look like a valid email address to me."); return 0; } o = summon_person(tmp, SMTP_PATH "user"); unless (o) return 0; register_target(target, o); o -> msg(source, mc, data, vars); return 3; #endif case 0: raise_error("scheme 0 is a bug\n"); } if (schemes[u[UScheme]]) return schemes[u[UScheme]]->msg(source, mc, data, vars, showingLog, target); // ifdeffing out isnt the smartest of options, but for now.. #if defined(GATEWAY_RELAYING) && !defined(BRAIN) // also, gateway discovery works but gateway relaying on the receiving // side isn't. additionally, the other psyc boys don't like this approach. if (u[UScheme] # if __EFUN_DEFINED__(regmatch) &&! regmatch(u[UScheme], "[^a-z0-9]") # else &&! sizeof(regexp( ({ u[UScheme] }), "[^a-z0-9]")) # endif ) { // current gateway discovery strategy u = parse_uniform("psyc://"+ u[UScheme] + ".scheme.psyced.org/$"+ u[UScheme] + "/"+ u[UBody]); return psyc_sendmsg(target, mc, data, vars, showingLog, source, u); } #endif sendmsg(source, "_error_unknown_scheme", "'[_scheme]' in '[_source_invalid]' is not a supported protocol scheme.", ([ "_scheme": u[UScheme], "_source_invalid": target ])); return 0; } #if defined(PSYC_PATH) && defined(JABBER_PATH) && !defined(RELAY) else if (index(target, '@') != -1 || index(target, '.') != -1) { string host; // simple user@host notation. // this is probably a jabber client talking. // // first check for special jid2psyc syntaxes switch(target[0]) { case '#': // DASH_COMPAT sscanf(target, "#%s@%s", tmp, host); case '*': sscanf(target, "*%s@%s", tmp, host); tmp = "psyc://" + host + "/@" + tmp; return psyc_sendmsg(tmp, mc, data, vars, showingLog, source, parse_uniform(tmp)); case '^': target[0] = '~'; case '~': case '$': sscanf(target, "%s@%s", tmp, host); tmp = "psyc://" + host + "/" + tmp; return psyc_sendmsg(tmp, mc, data, vars, showingLog, source, parse_uniform(tmp)); } // we pretend target is xmpp: to figure out // which object to incarnate // should we check targets[] again!?? u = parse_uniform("xmpp:"+ target); //target = "xmpp:"+ target; //u = parse_uniform(target); // but we leave the target as u@h // in case xmpp manages to switch to psyc // .. then again, not necessary as we defined a // psyc user to be the same as an xmpp user // whenever a switch is possible // ok, but later targets will deliver the u@h without // xmpp: to jabber anyway, so mkjid() needs to be able // to deal with that // TODO: if xmpp-s2s is not active, this should // probably assume that this is a psyc address if (xmpp_sendmsg(target, mc, data, vars, source, u, showingLog, otarget)) return 6; } #endif #ifdef RELAY // we get here for some funny reasons when doing /nick.. TODO P1(("CAUGHT sendmsg(%O,%O,%O,%O,%O,%O,%O)\n", target, mc, data, vars, source, showingLog, callback)) #else // we could even start looking for local nicknames here.. // but this would circumvent /alias sendmsg(source, "_error_unknown_name_user", "[_nick_target] isn't available.", ([ "_nick_target" : target ])); #endif return 0; } if (objectp(target)) { // returnwert sagt aus, ob msg dargestellt werden will // nicht aber, dass sie erfolgreich angekommen ist, denn das ist ja eh target -> msg(source, mc, data, vars, showingLog); // deshalb machen wir das lieber selber klar return 2; } D2(else D(S("sendmsg encountered %O as target for (%O,%s,%O,%O)\n", target, source, mc, data, vars));) return 0; } #else // FORK {{{ volatile object _psyced; #define PSYCED (_psyced || _psyced = DAEMON_PATH "psyc" -> load(), _psyced) object cookie_factory(string uni) { // uni must be lowercase mixed *u; string tmp; object o; if (o = targets[uni]) return o; u = parse_uniform(uni); unless (u) return 0; switch(u[UScheme]) { #ifdef PSYC_PATH case "psyc": if (o = targets[u[URoot]]) { P2(("%O to be delivered on %O's circuit\n", uni, query_ip_name(o) || o )) register_target(uni, o); // was delivermsg( return o; // no more cleansing of targets mapping.. see also net/library.i // } else { // P1(("PSYC/TCP target %O gone!\n", t2)) // m_delete( targets, t2 ); // } } return PSYCED;;; // three semicolons because of extra importance //return psyc_sendmsg(target,mc,data,vars,showingLog,source,u); #endif #ifdef JABBER_PATH case "xmpp": // actually jabber does not allow other ports // in the url.. but anyway, here // comes a jabber implementation which does. // so you can only use it to debug jabber // code of other psyceds ;) // //tmp = u[UCircuit] || "xmpp:"+ u[UHostPort]; tmp = "xmpp:"+ u[UHostPort]; if (o = targets[tmp]) { P2(("%O to be delivered on %O\n", uni, o )) } else { // we use C:xmpp:host(:port) as an object name // we can change that if it is confusing #ifdef QUEUE_WITH_SCHEME o = ("C:"+tmp)-> circuit(u[UHost], u[UPort] || JABBER_S2S_SERVICE, 0, "xmpp-server", tmp, systemQ); #else o = ("C:"+tmp)-> circuit(u[UHost], u[UPort] || JABBER_S2S_SERVICE, 0, "xmpp-server", u[UHostPort], systemQ); #endif register_target(tmp, o); // jabber scheme makes it impossible to // cohost several servers on one ip# if (u[UPort]) register_target("xmpp:"+ u[UHost], o); } register_target(uni, o); return o; //return o->msg(source,mc,data,vars, showingLog,otarget); #else /* case "xmpp": return source -> w("_error_unavailable_scheme", "Scheme '[_scheme]' is not available", ([ "_scheme" : "xmpp" ])); */ #endif #ifdef SMTP_PATH case "mailto": unless (tmp = legal_mailto(u[UUserAtHost])) { #if 0 source ->w( "_error_invalid_mailto", "Sorry, that doesn't look like a valid email address to me."); #endif return 0; } o = summon_person(tmp, SMTP_PATH "user"); unless (o) return 0; register_target(uni, o); return o; //o -> msg(source, mc, data, vars); #endif } if (schemes[u[UScheme]]) return schemes[u[UScheme]]; //return schemes[u[UScheme]]->msg(source, mc, data, vars, showingLog, target); // ifdeffing out isnt the smartest of options, but for now.. #ifndef BRAIN if (u[UScheme] # if __EFUN_DEFINED__(regmatch) &&! regmatch(u[UScheme], "[^a-z0-9]") # else &&! sizeof(regexp( ({ u[UScheme] }), "[^a-z0-9]")) # endif ) { // current gateway discovery strategy u = parse_uniform("psyc://"+ u[UScheme] + ".scheme.psyced.org/$"+ u[UScheme] + "/"+ u[UBody]); return PSYCED; //return psyc_sendmsg(target,mc,data,vars,showingLog,source,u); } #endif // TODO #if 0 source ->pr("_error_unknown_scheme", "%O is not a supported protocol scheme.\n", u[UScheme]); #endif return 0; } varargs int sendmsg(mixed target, string mc, mixed data, mapping vars, mixed source, int showingLog) { // proto.h! mixed tmp, *u; object o; P3(("sendmsg(%O,%O,%O,..,%O,%O)\n", target, mc, data, source, showingLog)) #ifdef SANDBOX // we can't avoid having this check in here, so we better avoid // having two parallel security systems for the sandbox and thus // disallow sending psyc messages without using sendmsg().. // this keeps the sandbox tidy and intelligible :) // if (extern_call() && (!geteuid(previous_object()) || stringp(geteuid(previous_object())) && geteuid(previous_object())[0] != '/')) { unless (source == previous_object() || source == vars["_context"]) { raise_error(sprintf("INVALID SENDMSG by %O(%O) (pretended " "to be target/context %O/%O\n", previous_object(), geteuid(previous_object()), target, vars["_context"])); } } #endif unless (source) source = previous_object(); #ifndef EXPERIMENTAL // entity.c doesn't allow vars to be missing so we might // just aswell enforce it in the whole psyced source that // vars always need to be given as mapping. TODO unless (mappingp(vars)) vars = ([]); #endif // target = lower_case(target) ist fuer xmpp nicht // gut, weil der resource-teil dort case-sensitive // ist... der node@domain-Part aber nicht if (stringp(target)) { int i; string otarget; // ist das nicht ein alter hack fuer net/irc? // wieso issn der in der lib? if ((i = index(target, '%')) != -1) { target[i] = '@'; } otarget = target; target = lower_case(target); //D("sendmsg for "+target+"\n"); tmp = cookie_factory(target); if (tmp) { // && interactive(tmp)) { PT(("delivery agent %O for %O (%s)\n", tmp, target, mc || "0")) return tmp->msg(source, mc, data, vars, showingLog, otarget); } // TODO ERROR } if (objectp(target)) { // returnwert sagt aus, ob msg dargestellt werden will // nicht aber, dass sie erfolgreich angekommen ist, denn das ist ja eh target -> msg(source, mc, data, vars, showingLog); // deshalb machen wir das lieber selber klar return 2; } D2(else D(S("sendmsg encountered %O as target for (%O,%s,%O,%O)\n", target, source, mc, data, vars));) return 0; } #endif // FORK }}} #ifndef __PIKE__ #ifdef PSYC_PATH # ifdef DRIVER_HAS_BROKEN_INCLUDE # include "/net/psyc/library.i" # else # include PSYC_PATH "library.i" # endif #endif #ifdef IRC_PATH # ifdef DRIVER_HAS_BROKEN_INCLUDE # include "/net/irc/library.i" # else # include IRC_PATH "library.i" # endif #endif string decode_embedded_charset(string text) { int i; string work; array(string) exploded1; // we only support the system charset currently .. iconv to follow TODO #if SYSTEM_CHARSET == "UTF-8" exploded1 = regexplode(text, "=\\?[uU][tT][fF]-8\\?Q\\?[^?]*\\?="); #else exploded1 = regexplode(text, "=\\?[iI][sS][oO]-8859-15?\\?Q\\?[^?]*\\?="); #endif text = ""; each (work, exploded1) { string *exploded2; string s; int j = 0; if (++i % 2) { unless (work == " ") text += work; continue; } exploded2 = regexplode(replace(slice_from_end(work, 15, 3), "_", " "), "=[A-Z0-9][A-Z0-9]"); work = ""; each (s, exploded2) { if (++j % 2) { work += s; continue; } s = s[1..]; work += sprintf("%c", hex2int(s)); } text += work; } return text; } #endif // __PIKE__ object library_object() { return ME; }