mirror of
https://github.com/ChronosX88/psyced.git
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409 lines
12 KiB
C
409 lines
12 KiB
C
// vim:foldmethod=marker:syntax=lpc:noexpandtab
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// $Id: common.c,v 1.120 2008/12/16 11:58:52 lynx Exp $
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//
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// common functions for IRC servers and clients (gateways)
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//
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#define MYNICK qName() // common for both server and user
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#define NO_INHERIT
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#include "irc.h"
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//#include "hack.i"
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#undef NO_INHERIT
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#include "reply.h"
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#include <strings.h>
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#include <text.h>
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virtual inherit NET_PATH "output";
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volatile string prefix;
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parse(a) {
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string t, from, cmd, args, text;
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#ifdef _flag_log_sockets_IRC
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log_file("RAW_IRC", "%d %O\t» %s\n", time(), ME, a);
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#endif
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IRCD( D("IRC< '"+a+"'\n"); )
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// some clients like ircII like to send trailing spaces
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// which may f**k up some parsing. also regular irc servers
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// ignore leading spaces, so should we
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#if __EFUN_DEFINED__(trim)
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//if (a == "") return; // but first make sure there's something at all
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//if (a[<1] == ' ' || a[0] == ' ')
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a = trim(a, TRIM_BOTH);
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// efun probably faster than doing all those checks anyway
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#else //{{{
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// not as efficient as it could be, but we have trim() anyway
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// move this into a pike macro for trim() emulation?
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if (a == "") return; // first make sure there's something at all
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while (a[0] == ' ') a = a[1..];
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while (a[<1] == ' ') a = a[0..<2];
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#endif //}}}
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if (a == "") return; // don't let " \n" execute "/s"
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unless (sscanf(a, ":%s %s", from, t)) t = a;
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sscanf(t, "%s :%s", t, text);
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unless (sscanf(t, "%s %s", cmd, args)) cmd = t;
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if (cmd) ircMsg(from, lower_case(cmd), args, text, a);
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return 1;
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}
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ircMsg(from, cmd, args, text, all) {
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mixed t,t1;
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switch(cmd) {
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case "motd":
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motd();
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return 1;
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#ifndef BETA
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case "lusers":
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lusers();
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return 1;
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#endif
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case "time":
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t = time();
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t1 = ctime(t);
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write(SERVER_SOURCE "391 " + MYNICK + " " SERVER_HOST " " +
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t + "0 :" + isotime(t1, 0) + " -- " + hhmmss(t1) + "\n");
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return 1;
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case "ping":
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// sieht doof aus scheint aber amtlich zu sein
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// ne isses nich. man ponged, was der user gepinged hat.
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// write(SERVER_SOURCE "PONG " SERVER_HOST " :"+ MYNICK +"\n");
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// eine fantasievolle lösung:
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write(SERVER_SOURCE "PONG " SERVER_HOST " :"
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+( text || args || MYNICK )+"\n");
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return 1;
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case "quit":
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quit();
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return 1;
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case "userhost":
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// kleine clientverarsche
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reply(RPL_USERHOST, ":"+args+"=+"+args+"@" SERVER_HOST);
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return 1;
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default:
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// write("421 :Huh?\n");
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// D(S("Unknown IRC: %s\n", all));
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// log_file("IRCPROT", "[%s] %s\n", query_ip_number(), all);
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// return 1;
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return 0;
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}
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}
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motd() {
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string buffer = "";
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// sollte alles in der textdb sein statt den reply hack zu verwenden
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// ist aber leider ein bisschen tragisch, da sich ne motd abprubt ändern
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// können soll... :( - die textdb geht ja eher von statischen inhalten aus.
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// was halt ihr sinn ist.
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//
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// ok, also nicht die statische textdb - aber es gibt ja auch dynamische
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// textdb sachen.. und ausserdem, MOTD sollte doch mehrsprachig sein können!?
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emit(sreply(RPL_MOTDSTART, ":- " SERVER_HOST " Message of the Day - "));
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#ifdef MOTD_FILE
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if (file_size(MOTD_FILE) > 0) {
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string motd_file;
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// wir machen demnäxt noch n anderes define, dann kommts aus der
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// datenbank. hat dann nur immernoch den beieffekt, dass in der datenbank
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// direkt das MOTD-prefix stehen muss, und das werden ungefähr 3 leute
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// wenn überhaupt verwenden, und alle davon aus dem kreis der muve/psycdevs.
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// dummerweise fiel hier im Zuge des neuen emit das '- ' flach - fippo
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P3(("MOTD_FILE (%O) found\n", MOTD_FILE))
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motd_file = read_file(MOTD_FILE);
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P4(("MOTD = %O\n", motd_file))
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emit(sreply(RPL_MOTD, ":" + motd_file));
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} else
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#endif
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emit(sreply(RPL_MOTD, ":- [PSYC] will probably make you happier. http://about.psyc.eu/\n"
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#if 0
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"- We're in public beta testing stage.\n"
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"- Usage manuals and legacy transition help on http://help.pages.de/\n"
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"- \n"
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"- You're the administrator of this server? Save your customized\n"
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#ifdef MOTD_FILE
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"- MOTD to " MOTD_FILE " in psyced's world/ directory."
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#else
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"- MOTD to psyced's world/ directory and add\n"
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"- #define MOTD_FILE \"<filename>\" to your local/local.h"
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#endif
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#endif
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));
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emit(sreply(RPL_ENDOFMOTD, ":End of MOTD command"));
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return 1;
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}
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#ifndef BETA
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lusers() {
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# ifndef _flag_disable_query_server
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reply(RPL_LUSERCLIENT, ":There are " + amount_people()
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+ " users on this server");
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# endif
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}
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#endif
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qCharset() {}
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render(string mc, string data, mapping vars, mixed source) {
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string template, output;
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mixed t;
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P3(("common:render %O %O\n", ME, data));
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#if 1 // def IRCEXPERIMENTAL
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template = T(mc, 0); // enable textdb inheritance
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#else
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template = T(mc, "");
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#endif
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#ifndef _flag_disable_stamp_time_IRC
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t = vars["_time_place"] || vars["_time_log"];
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// this goes thru ->v()
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if (t && v("timestamp") != "off" // && abbrev("_message", mc)
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&& stringp(data)) {
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# ifndef GAMMA
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if (stringp(t)) t = to_int(t); // we need types ;)
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# endif
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if (v("timestamp") == "on") {
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string msa = " ";
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msa[0] = 0x01; // msa's CTCP character
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// should use psyctime instead of unixtime
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data = msa +"TS "+ (t - PSYC_EPOCH) +msa+ data;
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} else
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data = "["+ time_or_date(t) +"] "+ data; // use T() ?
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P3(("%O data is %O\n", ME, data))
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}
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#endif
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P3(("c:r pre ptext: %O %O %O %O\n", template, vars, data, source ));
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output = psyctext( template, vars, data, source);
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P3(("c:r 1st ptext: %O\n", output));
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if (!output || output=="") return D2(D("irc/user: empty output\n"));
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#ifdef NEW_LINE
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output += "\n";
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#else
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if (template == "") {
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# ifdef PREFIXES //{{{
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if (abbrev("_prefix", mc)) return prefix = output+" ";
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else
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# endif //}}}
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output += "\n";
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}
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#endif
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if (output[0] == '#') output = SERVER_SOURCE + output[1 ..];
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else if (output[0] != ':') {
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string t2;
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if (prefix) { output = prefix+output; prefix=0; }
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// ich wage es mal hier den raumnamen als ziel auszugeben.
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// wenn das nicht für alle fälle gut ist, dann mit dem
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// if auf _notice_action einschränken. else liegt auch
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// schon bereit. alles klar --lynX
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// if (abbrev("_notice_action", mc)) {
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// output = psyc2irc(mc) +" "+(vars["_nick_place"] ?
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// place2channel(vars["_nick_place"]) : MYNICK)
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// +" :" + output;
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// else
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// output = psyc2irc(mc) +" "+MYNICK+" :" + output;
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// TODO: in theory, going thru the textdb twice should
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// not be necessary, but it is the most straightforward
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// solution
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t2 = T(mc, data);
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if (template != t2) {
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output = psyctext( t2, vars, data, source) + "\n";
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P3(("c:r 2nd ptext: %O\n", output));
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#if DEBUG > 0
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} else {
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P3(("c:r %O==%O so there is no 2nd ptext for %O.\n"
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"see also render(%O,%O,%O,%O)\n",
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template, t2, output,
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mc, data, vars, source));
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#endif
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}
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unless (trail("\n", output)) {
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PT(("(harmless) no IRC template for %O\n", mc))
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log_file("IRC_TEXTDB", "%O\n", mc);
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return;
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}
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// _silent: when casts from a conversation-filtered place
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// arrive, which isnt known to the client as a channel, we
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// revert to personal notices to not irritate it.
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if (
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#if 1
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// would be nicer to check if source is a place but
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// isn't trivial right here.. looks like joining remote
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// xmpp: mucs is affected by this change - you may not
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// be able to see history. fippo is looking into this.
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// <fippo> i wanted this for the _notice_place_* use case
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// i would propose keeping the old way and adding a
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// condition with _nick_place && abbrev(_notice_place, mc)
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(vars["_nick_place"] || vars["_context"]) &&
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#else
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vars["_context"] && vars["_nick_place"] &&
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#endif
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(vars["_INTERNAL_control"] != "_silent" ||
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v("entersilent") == "off")) {
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P2(("irc/user: psyc2irc channel notice (%O)\n", mc))
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// psyc2irc is called without source||context here so
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// this will be server notices - it is yet to be
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// determined if this is appropriate
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output = psyc2irc(mc, 0) +" "+ // MYNICK+" "+
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place2channel(vars["_nick_place"]) +" :" + output;
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} else {
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//PT(("irc/user: psyc2irc personal notice (%O) with %O\n", mc, vars))
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output = psyc2irc(mc, source) +" "+MYNICK+" :" + output;
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}
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}
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#ifdef NO_SMART_MSA
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else {
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// klammern und indent gemacht aus style-gruenden
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for (i=strstr(output, "%"); i>=0; i=strstr(output, "%", i)) {
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output[i] = 0x01; // support for msa's CTCP char
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}
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}
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#endif
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// i would really love to do it using the textdb, but it is unflexible.
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// probably i'll change that somewhen.
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if (mc == "_status_place_members_amount") {
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// since irc ALWAYS needs to have a namreply, we
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// simply give it one that only contains ourselves
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w(mc[..<8], 0, ([ "_nick_place" : vars["_nick_place"],
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"_members" : vars["_nick_me"] ]));
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w(mc[..<8] + "_end", 0, vars);
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}
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P4(("calling emit(%O)\n", output));
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emit(output);
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}
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// server:w() doesnt call this anyway, so we dont need last_prefix
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//volatile private string last_prefix;
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emit(string output) {
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string* outlines;
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P3(("common:emit %O %O\n", ME, output));
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// misteries of virtual inheritance.. why doesnt this get called
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// from gatebot? we need to get this working for 512-split!!
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#ifdef _flag_log_sockets_IRC
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# define EMIT(OUT) (log_file("RAW_IRC", "%d %O\t« %s", time(), ME, OUT), ::emit(OUT))
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# else
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# define EMIT ::emit
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#endif
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#if __EFUN_DEFINED__(convert_charset)
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string cs = qCharset();
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if (cs && cs != SYSTEM_CHARSET) {
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iconv(output, SYSTEM_CHARSET, cs);
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P4(("output in %O = %O\n", cs, output))
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}
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#endif
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if (output[<1] != '\n') {
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// this is used when prompting for password
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P4(("irc:emit optimized for prefix on %O\n", output))
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return EMIT(output);
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}
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outlines = explode(slice_from_end(output, 0, 2), "\n");
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if (sizeof(outlines) == 1 && strlen(output) < MAX_IRC_BYTES) {
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// optimized for single line
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P4(("irc:emit single %O\n", outlines[0]))
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return EMIT(outlines[0] + "\r\n");
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} else {
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string split_prefix, line;
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int cut, t;
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cut = strstr(output, " :");
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P4(("IRC:emit splitting large line at %O\n%O\n", cut, outlines))
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if (cut >= 0) {
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split_prefix = outlines[0][.. ++cut];
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#if 0 // annoying rendering bug we had here.. but is <2 always wrong?
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outlines[0] = outlines[0][++cut .. <2];
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#else
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outlines[0] = outlines[0][++cut .. <1];
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#endif
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if (strlen(outlines[0])
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&& outlines[0][0] == outlines[0][<1]
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&& outlines[0][0] == 0x01) {
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outlines[0] = chop(outlines[0]);
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}
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} else {
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split_prefix = ""; //last_prefix;
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outlines[0] = chop(outlines[0]);
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}
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// because of additional \\\r\n we have to subtract 3
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cut = MAX_IRC_BYTES-3 - strlen(split_prefix);
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if (cut < 9) {
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// happens when 005 messages grows too big
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P1(("%O encountered data w/out a decently placed ':' "
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"to be able to do 512 splitting\n%O\n", ME, line))
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return;
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}
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foreach(line : outlines) if (strlen(line)) {
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while (strlen(line) > cut) {
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#if 1
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// we shall look for last whitespace instead
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t = rindex(line, ' ', cut);
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if (t > 9) {
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// msa's CTCP character
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if (line[0] == 0x01) { // can only be true in
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// the very first cycle.
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// any realistic ideas
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// how to do do this
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// just once?
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P4(("splitting an msa line %O\n", line[.. t]))
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EMIT(split_prefix + line[..t]
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+ line[0..0] + "\r\n");
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line = line[t+1 ..];
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} else {
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P4(("time for %O\n", line[.. t]))
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EMIT(split_prefix + line[.. t]+ "\r\n");
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line = line[t+1 ..];
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}
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} else {
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P1(("%O encountered data w/out ' ' to "
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"allow for a decent IRC 512 split:"
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"\n%O\n", ME, line))
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// ignore this junk
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return;
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// we might aswell use the old
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// backslash splitting code below here
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}
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#else //{{{
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t = line[cut] == '\r' ? cut-1 : cut;
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// msa's CTCP character
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if (line[0] == 0x01) { // can only be true in
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// the very first cycle.
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// any realistic ideas
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// how to do do this
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// only once?
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// inserting stargazer-style backslashes
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EMIT(split_prefix + line[..t-1]
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+ "\\" + line[0..0] + "\r\n");
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line = line[cut..];
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} else {
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EMIT(split_prefix + line[..t]
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+ "\\\r\n");
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line = line[cut+1..];
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}
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#endif //}}}
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}
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P4(("irc:emit each %O\n", line))
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EMIT(split_prefix + line +"\r\n");
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}
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}
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return 1;
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}
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internalError() {
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#ifdef RELAY
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// yay. we could "fix" it here by
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next_input_to(#'parse);
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PT(("crazy experimental autofix in internalError()\n"))
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#else
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emit("ERROR :Congratulations! you triggered a runtime error in psyced."
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" This server will no longer accept input until you reconnect.\n");
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#endif
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}
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