// Gets an attribute from an object and stores the value // in the buffer. It returns false if the attribute was // not found. Otherwise, true. HS_BOOL8 CHSInterface::AtrGet(int obj, const char *atrname) { #ifdef PENNMUSH ATTR *a; a = atr_get(obj, atrname); if (!a) { return false; } strcpy_s(m_buffer, atr_value(a)); return true; #endif #if defined(TM3) || defined(MUX) char *a; a = my_atr_get(obj, atrname); if (a && *a) { strcpy(m_buffer, a); return true; } else return false; #endif }
HS_DBREF CHSInterface::GetLock(int objnum, HS_LOCKTYPE lock) { #ifdef PENNMUSH // No change in code between versions boolexp boolExp = getlock(objnum, Use_Lock); if (boolExp == TRUE_BOOLEXP) { return NOTHING; } else { return strtodbref(unparse_boolexp(objnum, boolExp, UB_DBREF)); } #endif #if defined(TM3) || defined(MUX) char *value; BOOLEXP *key; int aowner, aflags; dbref lockobj; #ifdef TM3 int alen; value = atr_get((dbref) objnum, A_LUSE, &aowner, &aflags, &alen); #else value = atr_get((dbref) objnum, A_LUSE, &aowner, &aflags); #endif key = parse_boolexp((dbref) objnum, value, 1); free_lbuf(value); if (key == TRUE_BOOLEXP) { free_boolexp(key); return NOTHING; } else { lockobj = key->thing; free_boolexp(key); return lockobj; } #endif }
void do_report(dbref executor, dbref caller, dbref enactor, int extra) { UNUSED_PARAMETER(caller); UNUSED_PARAMETER(enactor); UNUSED_PARAMETER(extra); char *buff = alloc_mbuf("do_report"); int nBin[NPERIODS]; int i; for (i = 0; i < NPERIODS; i++) { nBin[i] = 0; } CLinearTimeAbsolute ltaNow, ltaPlayer; ltaNow.GetLocal(); const int PeriodInSeconds = 28800; int iPlayer; DO_WHOLE_DB(iPlayer) { if (isPlayer(iPlayer)) { int aowner, aflags; char *player_last = atr_get(iPlayer, A_LAST, &aowner, &aflags); if (ltaPlayer.SetString(player_last)) { CLinearTimeDelta ltd(ltaPlayer, ltaNow); int ltdSeconds = ltd.ReturnSeconds(); int iBin = ltdSeconds / PeriodInSeconds; if (0 <= iBin && iBin < NPERIODS) { nBin[iBin]++; } } free_lbuf(player_last); } } int iHour, nSum = 0; notify(executor, "Day Hours Players Total"); for (i = 0, iHour = 0; i < NPERIODS; i++, iHour += 8) { nSum += nBin[i]; mux_sprintf(buff, MBUF_SIZE, "%3d %03d - %03d: %6d %6d", iHour/24 + 1, iHour, iHour+8, nBin[i], nSum); notify(executor, buff); } free_mbuf(buff); }
char *unparse_class (int x) { ATTR *a; static char buffer[20]; a = atr_get(sdb[x].object, CLASS_ATTR_NAME); if (a == NULL) return (char *) "#-1 BAD CLASS"; strncpy(buffer, atr_value(a), sizeof(buffer) - 1); return (buffer); }
/* board a ship through the ship object */ void board_ship(dbref player, char *which, char *code) { ATTR *a; char *bcode; dbref obj, nav, bay; int security; /* find the shipobj */ obj = match_result(player, which, TYPE_THING, MAT_NEAR_THINGS); if (!IsShipObj(obj)) { notify(player, "Can't find that ship."); return; } /* see if it's got an HSNAV */ nav = atr_parse_dbref(obj, "HSNAV"); if (!IsShip(nav)) { notify(player, "That is not a valid ship object."); return; } /* check the boarding code, if necessary */ security = atr_parse_integer(nav, "SECURITY", 0); if (security) { a = atr_get(nav, "BOARDING_CODE"); if (a) { bcode = atr_value(a); if (strcmp(bcode, code)) { notify(player, "Invalid boarding code."); return; } } } /* check for a BAY on the nav, otherwise go to the nav's location */ bay = atr_parse_dbref(nav, "BAY"); if (!RealGoodObject(bay)) { bay = Location(nav); } atr_add(player, "HSPACE", unparse_dbref(nav), hs_options.space_wiz, 0); notify_except(obj, Location(player), player, tprintf("%s boards the %s.", Name(player), Name(obj)), 0); notify_except(obj, bay, player, tprintf("%s boards through the main hatch.", Name(player)), 0); moveto(player, bay, hs_options.space_wiz, NULL); }
/** Parse object/attribute strings into components. * This function takes a string which is of the format obj/attr or attr, * and returns the dbref of the object, and a pointer to the attribute. * If no object is specified, then the dbref returned is the player's. * str is destructively modified. This function is probably underused. * \param player the default object. * \param str the string to parse. * \param thing pointer to dbref of object parsed out of string. * \param attrib pointer to pointer to attribute structure retrieved. */ void parse_attrib(dbref player, char *str, dbref *thing, ATTR **attrib) { char *name; /* find the object */ if ((name = strchr(str, '/')) != NULL) { *name++ = '\0'; *thing = noisy_match_result(player, str, NOTYPE, MAT_EVERYTHING); } else { name = str; *thing = player; } /* find the attribute */ *attrib = (ATTR *) atr_get(*thing, upcasestr(name)); }
int nfy_que(dbref sem, int attr, int key, int count) { int cSemaphore = 1; if (attr) { int aflags; dbref aowner; char *str = atr_get(sem, attr, &aowner, &aflags); cSemaphore = mux_atol(str); free_lbuf(str); } Notify_Num_Done = 0; if (cSemaphore > 0) { Notify_Key = key; Notify_Sem = sem; Notify_Attr = attr; Notify_Num_Max = count; if ( key == NFY_NFY || key == NFY_QUIET) { scheduler.TraverseOrdered(CallBack_NotifySemaphoreFirstOrQuiet); } else { scheduler.TraverseUnordered(CallBack_NotifySemaphoreDrainOrAll); } } // Update the sem waiters count. // if ( NFY_NFY == key || NFY_QUIET == key) { add_to(sem, -count, attr); } else { atr_clr(sem, attr); } return Notify_Num_Done; }
// --------------------------------------------------------------------------- // add_to: Adjust an object's queue or semaphore count. // static int add_to(dbref executor, int am, int attrnum) { int aflags; dbref aowner; char *atr_gotten = atr_get(executor, attrnum, &aowner, &aflags); int num = mux_atol(atr_gotten); free_lbuf(atr_gotten); num += am; char buff[20]; size_t nlen = 0; *buff = '\0'; if (num) { nlen = mux_ltoa(num, buff); } atr_add_raw_LEN(executor, attrnum, buff, nlen); return num; }
static void ct_thing(dbref player, dbref i, warn_type flags) { int lt; /* Ignore carried objects */ if (Location(i) == player) return; if ((flags & W_THING_DESC) && !atr_get(i, "DESCRIBE")) complain(player, i, "thing-desc", T("thing is missing description")); if (flags & W_THING_MSGS) { lt = warning_lock_type(getlock(i, Basic_Lock)); if ((lt & W_UNLOCKED) && (!atr_get(i, "OSUCCESS") || !atr_get(i, "ODROP") || !atr_get(i, "SUCCESS") || !atr_get(i, "DROP"))) complain(player, i, "thing-msgs", T("possibly unlocked thing missing succ/osucc/drop/odrop")); if ((lt & W_LOCKED) && !atr_get(i, "FAILURE")) complain(player, i, "thing-msgs", T("possibly locked thing missing fail")); } }
/** Parse a softcode timezone request. * * \verbatim * * If arg is a objid, look up that object's @TZ attribute and parse * that. Otherwise, parse arg. * * If an object doesn't have a @TZ set, offset is set to 0 and tznotset to 1, to be able to tell * that case apart from a UTC timezone. * * If a timezone database is present, try to read the given zone from * it. Integers are treated as 'Etc/GMT[+-]N' first. * * If no tzinfo database, or reading the given zone from one fails, * and the arg is an integer, treat it as the number of hours * difference from GMT. Otherwise fail. * * \endverbatim * * \param arg The string to parse for a dbref, number or symbolic tz name * \param when When to calculate the offset for. * \param res Structure to store the parsed results in. * \return 1 for success, 0 for failure in parsing the time zone. */ bool parse_timezone_arg(const char *arg, time_t when, struct tz_result *res) { if (!res) return 0; memset(res, 0, sizeof *res); res->tz_when = when; if (strcasecmp(arg, "UTC") == 0) { res->tz_utc = 1; return 1; } else if (is_objid(arg)) { ATTR *a; dbref thing = parse_objid(arg); if (!RealGoodObject(thing)) return 0; a = atr_get(thing, "TZ"); if (!a) { /* No timezone attribute isn't an error. Just use the server's zone. */ res->tz_attr_missing = 1; return 1; } arg = atr_value(a); } #ifdef HAVE_ZONEINFO { struct tzinfo *tz = NULL; static char tz_path[BUFFER_LEN]; if (is_valid_tzname(arg)) { tz = read_tzfile(arg); snprintf(tz_path, sizeof tz_path, ":%s", arg); } else if (is_strict_integer(arg)) { int offset; char tzname[100]; offset = parse_integer(arg); /* GMT-8 is 8 hours ahead, GMT+8 is 8 hours behind, which makes no sense to me. */ offset = -offset; snprintf(tzname, sizeof tzname, "Etc/GMT%+d", offset); tz = read_tzfile(tzname); snprintf(tz_path, sizeof tz_path, ":%s", tzname); } if (tz) { res->tz_offset = offset_for_tzinfo(tz, when); free_tzinfo(tz); res->tz_name = tz_path; res->tz_has_file = 1; return 1; } /* Fall through to gross numeric offset on failure */ } #endif if (is_strict_number(arg)) { double n = parse_number(arg); if (fabs(n) >= 24.0) return 0; res->tz_offset = floor(n * 3600.0); return 1; } return 0; }
static void ct_player(dbref player, dbref i, warn_type flags) { if ((flags & W_PLAYER_DESC) && !atr_get(i, "DESCRIBE")) complain(player, i, "my-desc", T("player is missing description")); }
static void ct_exit(dbref player, dbref i, warn_type flags) { dbref j, src, dst; int count = 0; int lt; /* i must be an exit, must be in a valid room, and must lead to a * different room * Remember, for exit i, Exits(i) = source room * and Location(i) = destination room */ dst = Destination(i); if ((flags & W_EXIT_UNLINKED) && (dst == NOTHING)) complain(player, i, "exit-unlinked", T("exit is unlinked; anyone can steal it")); if ((flags & W_EXIT_UNLINKED) && dst == AMBIGUOUS) { ATTR *a; const char *var = "DESTINATION"; a = atr_get(i, "DESTINATION"); if (!a) a = atr_get(i, "EXITTO"); if (a) var = "EXITTO"; if (!a) complain(player, i, "exit-unlinked", T("Variable exit has no %s attribute"), var); else { const char *x = atr_value(a); if (!x || !*x) complain(player, i, "exit-unlinked", T("Variable exit has empty %s attribute"), var); } } if (!Dark(i)) { if (flags & W_EXIT_MSGS) { lt = warning_lock_type(getlock(i, Basic_Lock)); if ((lt & W_UNLOCKED) && (!atr_get(i, "OSUCCESS") || !atr_get(i, "ODROP") || !atr_get(i, "SUCCESS"))) complain(player, i, "exit-msgs", T("possibly unlocked exit missing succ/osucc/odrop")); if ((lt & W_LOCKED) && !atr_get(i, "FAILURE")) complain(player, i, "exit-msgs", T("possibly locked exit missing fail")); } if (flags & W_EXIT_DESC) { if (!atr_get(i, "DESCRIBE")) complain(player, i, "exit-desc", T("exit is missing description")); } } src = Source(i); if (!GoodObject(src) || !IsRoom(src)) return; if (src == dst) return; /* Don't complain about exits linked to HOME or variable exits. */ if (!GoodObject(dst)) return; for (j = Exits(dst); GoodObject(j); j = Next(j)) if (Location(j) == src) { if (!(flags & W_EXIT_MULTIPLE)) return; else count++; } if ((count == 0) && (flags & W_EXIT_ONEWAY)) complain(player, i, "exit-oneway", T("exit has no return exit")); else if ((count > 1) && (flags & W_EXIT_MULTIPLE)) complain(player, i, "exit-multiple", T("exit has multiple (%d) return exits"), count); }
static void ct_room(dbref player, dbref i, warn_type flags) { if ((flags & W_ROOM_DESC) && !atr_get(i, "DESCRIBE")) complain(player, i, "room-desc", T("room has no description")); }
static int db_write_object(FILE * f, dbref i, int db_format, int flags) { ATTR *a; char *got, *as; dbref aowner; int ca, aflags, save, j; BOOLEXP *tempbool; if(!(flags & V_ATRNAME)) putstring(f, Name(i)); putref(f, Location(i)); if(flags & V_ZONE) putref(f, Zone(i)); putref(f, Contents(i)); putref(f, Exits(i)); if(flags & V_LINK) putref(f, Link(i)); putref(f, Next(i)); if(!(flags & V_ATRKEY)) { got = atr_get(i, A_LOCK, &aowner, &aflags); tempbool = parse_boolexp(GOD, got, 1); free_lbuf(got); putboolexp(f, tempbool); if(tempbool) free_bool(tempbool); } putref(f, Owner(i)); if(flags & V_PARENT) putref(f, Parent(i)); if(!(flags & V_ATRMONEY)) putref(f, Pennies(i)); putref(f, Flags(i)); if(flags & V_XFLAGS) putref(f, Flags2(i)); if(flags & V_3FLAGS) putref(f, Flags3(i)); if(flags & V_POWERS) { putref(f, Powers(i)); putref(f, Powers2(i)); } /* * write the attribute list */ if((!(flags & V_GDBM)) || (mudstate.panicking == 1)) { for(ca = atr_head(i, &as); ca; ca = atr_next(&as)) { save = 0; a = atr_num(ca); if(a) j = a->number; else j = -1; if(j > 0) { switch (j) { case A_NAME: if(flags & V_ATRNAME) save = 1; break; case A_LOCK: if(flags & V_ATRKEY) save = 1; break; case A_LIST: case A_MONEY: break; default: save = 1; } } if(save) { got = atr_get_raw(i, j); fprintf(f, ">%d\n", j); putstring(f, got); } } fprintf(f, "<\n"); } return 0; }
static void give_money (dbref giver, dbref recipient, int key, int amount) { dbref aowner; int cost, pcost, rcost, aflags, dpamount; char *str; /* do amount consistency check */ if (amount < 0 && ((!Builder(giver) && !HasPriv(giver,recipient,POWER_STEAL,POWER3,NOTHING)) || DePriv(giver,recipient,DP_STEAL,POWER6,NOTHING))) { notify(giver, unsafe_tprintf("You look through your pockets. Nope, no negative %s.", mudconf.many_coins)); return; } if (!amount) { notify(giver, unsafe_tprintf("You must specify a positive number of %s.", mudconf.many_coins)); return; } dpamount = 0; if (amount < 0) dpamount = DePriv(giver,NOTHING,DP_NOSTEAL,POWER7,POWER_LEVEL_NA); else dpamount = DePriv(giver,NOTHING,DP_NOGOLD,POWER7,POWER_LEVEL_NA); if (dpamount) { if (DPShift(giver)) dpamount--; dpamount = mudconf.money_limit[dpamount]; } else dpamount = -1; if (!Admin(Owner(giver))) { if ((Typeof(recipient) == TYPE_PLAYER) && (Pennies(recipient) + amount > mudconf.paylimit)) { notify(giver, unsafe_tprintf("That player doesn't need that many %s!", mudconf.many_coins)); return; } if ((Typeof(recipient) != TYPE_PLAYER) && (!could_doit(giver, recipient, A_LUSE,1))) { notify(giver, unsafe_tprintf("%s won't take your money.", Name(recipient))); return; } } str = atr_get(Owner(giver), A_PAYLIM, &aowner, &aflags); pcost = atoi(str); free_lbuf(str); if (!Immortal(Owner(giver)) && pcost) { if ((Typeof(recipient) == TYPE_PLAYER) && (amount > 0) && (Pennies(recipient) + amount > pcost)) { notify(giver, unsafe_tprintf("That player doesn't need that many %s!", mudconf.many_coins)); return; } else if (Pennies(recipient) + amount < (-pcost)) { notify(giver,"That player doesn't need that much debt!"); return; } } str = atr_get(Owner(recipient), A_RECEIVELIM, &aowner, &aflags); rcost = atoi(str); free_lbuf(str); if (!Immortal(Owner(giver)) && rcost) { if ((Typeof(recipient) == TYPE_PLAYER) && (amount > 0) && (Pennies(recipient) + amount > rcost)) { notify(giver, unsafe_tprintf("That player doesn't need that many %s!", mudconf.many_coins)); return; } else if (Pennies(recipient) + amount < (-rcost)) { notify(giver,"That player doesn't need that much debt!"); return; } } if (!Immortal(Owner(giver))) { if (dpamount >= 0) { if (amount > 0) { if ((Typeof(recipient) == TYPE_PLAYER) && (Pennies(recipient) + amount > dpamount)) { notify(giver, unsafe_tprintf("That player doesn't need that many %s!", mudconf.many_coins)); return; } else if (amount > dpamount) { notify(giver, "Permission denied."); return; } } else { if ((Typeof(recipient) == TYPE_PLAYER) && (Pennies(recipient) + amount < (-dpamount))) { notify(giver, unsafe_tprintf("That player doesn't need that many %s!", mudconf.many_coins)); return; } else if (amount < (-dpamount)) { notify(giver, "Permission denied."); return; } } } } /* try to do the give */ if (!payfor_give(giver, amount)) { notify(giver, unsafe_tprintf("You don't have that many %s to give!", mudconf.many_coins)); return; } /* Find out cost if an object */ if (Typeof(recipient) == TYPE_THING) { str = atr_pget(recipient, A_COST, &aowner, &aflags); cost = atoi(str); free_lbuf(str); /* Can't afford it? */ if (amount < cost) { notify(giver, "Feeling poor today?"); giveto(giver, amount, NOTHING); return; } /* Negative cost */ if (cost < 0) { return; } } else { cost = amount; } if (!(key & GIVE_QUIET)) { if (amount == 1) { notify(giver, unsafe_tprintf("You give a %s to %s.", mudconf.one_coin, Name(recipient))); notify_with_cause(recipient, giver, unsafe_tprintf("%s gives you a %s.", Name(giver), mudconf.one_coin)); } else { notify(giver, unsafe_tprintf("You give %d %s to %s.", amount, mudconf.many_coins, Name(recipient))); notify_with_cause(recipient, giver, unsafe_tprintf("%s gives you %d %s.", Name(giver), amount, mudconf.many_coins)); } } else { if (amount == 1) { notify(giver, unsafe_tprintf("You give a %s to %s. (quiet)", mudconf.one_coin, Name(recipient))); } else { notify(giver, unsafe_tprintf("You give %d %s to %s. (quiet)", amount, mudconf.many_coins, Name(recipient))); } } /* Report change given */ if((amount - cost) == 1) { notify(giver, unsafe_tprintf("You get 1 %s in change.", mudconf.one_coin)); giveto(giver, 1, NOTHING); } else if (amount != cost) { notify(giver, unsafe_tprintf("You get %d %s in change.", (amount - cost), mudconf.many_coins)); giveto(giver, (amount - cost), NOTHING); } if (pcost && (Pennies(Owner(recipient)) + cost > pcost)) { pcost = pcost - Pennies(Owner(recipient)); if (pcost < 0) pcost = 0; } else pcost = cost; if (!giveto(recipient, pcost, giver)) giveto(giver, cost, NOTHING); /* Transfer the money and run PAY attributes */ /* Rooms should not kick off the PAY attribute */ if ( !isRoom(giver) ) did_it(giver, recipient, A_PAY, NULL, A_OPAY, NULL, A_APAY, (char **)NULL, 0); return; }
/* leave a flying ship through the escape pod */ void emergency_eject(dbref player) { dbref nav, pad; hship *ship; hcelestial *cel, *min_cel; ATTR *a; char *r, *s; char buff[512]; double dist, min_dist; dbref min_pad; hship *sptr, *min_ship; /* check for a BAY */ a = atr_get(Location(player), "BAY"); if (!a) { /* no BAY, see if we're next to the nav console */ ship = find_ship(player); if (ship) { if (Location(ship->objnum) != Location(player)) { notify(player, "You can't eject from here."); return; } } } else { /* there's a BAY, see if the ship is valid */ nav = parse_dbref(atr_value(a)); if (!IsShip(nav)) { notify(player, "You can't eject from here."); return; } ship = find_ship_by_nav(nav); } if (!ship) { notify(player, "You can't eject from here."); return; } /* only eject when flying, not when landing or docking */ if (!ship->uid || ship->landed || ship->docked) { notify(player, "You may only eject while flying."); return; } /* find a planet with a drop pad */ min_pad = NOTHING; min_dist = 1000000.0; min_cel = NULL; for (cel = ship->uid->head_celestial; cel; cel = cel->next) { if (!HasFlag(cel->type, HS_PLANET)) continue; pad = atr_parse_dbref(cel->objnum, "DROPPADS"); if (!RealGoodObject(pad)) continue; dist = ship_celestial_distance(ship, cel); if (dist < min_dist) { min_dist = dist; min_pad = pad; min_cel = cel; } } min_ship = NULL; for (sptr = ship->uid->head_ship; sptr; sptr = sptr->next) { if (min_cel) break; if (!HasFlag(sptr->type, HS_STATION | HS_CAPITAL)) continue; pad = atr_parse_dbref(sptr->objnum, "BAY"); if (!RealGoodObject(pad)) continue; dist = ship_distance(ship, sptr); if (dist < min_dist) { min_cel = NULL; min_ship = sptr; min_dist = dist; min_pad = pad; } } if (!RealGoodObject(min_pad)) { notify(player, "There is nowhere to eject to!"); return; } /* finish up by setting HSPACE and notifying everybody of the move */ if (min_ship) { atr_add(player, "HSPACE", unparse_dbref(min_ship->objnum), hs_options.space_wiz, 0); } else if (min_cel) { atr_add(player, "HSPACE", unparse_dbref(min_cel->objnum), hs_options.space_wiz, 0); } else { SPACEWALL("Weird problem in eject."); notify(player, "Bad space object. Contact an administrator."); return; } notify_except(Location(player), Location(player), player, tprintf("%s ejects in an emergency escape pod!", Name(player)), 0); notify_except(min_pad, min_pad, player, tprintf("%s crash lands in an emergency escape pod!", Name(player)), 0); if (min_ship) { notify_consoles(min_ship, tprintf("%s%s-%s Emergency ejection pod automatically tractored into the docking back.", ANSI_HILITE, ANSI_GREEN, ANSI_NORMAL)); } moveto(player, min_pad, hs_options.space_wiz, NULL); }
void exec(char *buff, char **bufc, int tflags, dbref player, dbref cause, int eval, char **dstr, char *cargs[], int ncargs) { #define NFARGS 30 char *fargs[NFARGS]; char *preserve[MAX_GLOBAL_REGS]; char *tstr, *tbuf, *tbufc, *savepos, *atr_gotten, *start, *oldp, *savestr; char savec, ch, *str; char *realbuff = NULL, *realbp = NULL; dbref aowner; int at_space, nfargs, gender, i, j, alldone, feval; long aflags; int is_trace, is_top, save_count; int ansi; FUN *fp; UFUN *ufp; static const char *subj[5] = { "", "it", "she", "he", "they" }; static const char *poss[5] = { "", "its", "her", "his", "their" }; static const char *obj[5] = { "", "it", "her", "him", "them" }; static const char *absp[5] = { "", "its", "hers", "his", "theirs" }; if(*dstr == NULL) return; // dprintk("%d/%s", player, *dstr); at_space = 1; gender = -1; alldone = 0; ansi = 0; is_trace = Trace(player) && !(eval & EV_NOTRACE); is_top = 0; /* Extend the buffer if we need to. */ if(((*bufc) - buff) > (LBUF_SIZE - SBUF_SIZE)) { realbuff = buff; realbp = *bufc; buff = (char *) malloc(LBUF_SIZE); *bufc = buff; } oldp = start = *bufc; /* * If we are tracing, save a copy of the starting buffer */ savestr = NULL; if(is_trace) { is_top = tcache_empty(); savestr = alloc_lbuf("exec.save"); StringCopy(savestr, *dstr); } while (**dstr && !alldone) { switch (**dstr) { case ' ': /* * A space. Add a space if not compressing or if * * * * * * * previous char was not a space */ if(!(mudconf.space_compress && at_space) || (eval & EV_NO_COMPRESS)) { safe_chr(' ', buff, bufc); at_space = 1; } break; case '\\': /* * General escape. Add the following char without * * * * * special processing */ at_space = 0; (*dstr)++; if(**dstr) safe_chr(**dstr, buff, bufc); else (*dstr)--; break; case '[': /* * Function start. Evaluate the contents of the * * * * * square brackets as a function. If no closing * * * * * bracket, insert the [ and continue. */ at_space = 0; tstr = (*dstr)++; if(eval & EV_NOFCHECK) { safe_chr('[', buff, bufc); *dstr = tstr; break; } tbuf = parse_to(dstr, ']', 0); if(*dstr == NULL) { safe_chr('[', buff, bufc); *dstr = tstr; } else { str = tbuf; exec(buff, bufc, 0, player, cause, (eval | EV_FCHECK | EV_FMAND), &str, cargs, ncargs); (*dstr)--; } break; case '{': /* * Literal start. Insert everything up to the * * * * * terminating } without parsing. If no closing * * * * * brace, insert the { and continue. */ at_space = 0; tstr = (*dstr)++; tbuf = parse_to(dstr, '}', 0); if(*dstr == NULL) { safe_chr('{', buff, bufc); *dstr = tstr; } else { if(!(eval & EV_STRIP)) { safe_chr('{', buff, bufc); } /* * Preserve leading spaces (Felan) */ if(*tbuf == ' ') { safe_chr(' ', buff, bufc); tbuf++; } str = tbuf; exec(buff, bufc, 0, player, cause, (eval & ~(EV_STRIP | EV_FCHECK)), &str, cargs, ncargs); if(!(eval & EV_STRIP)) { safe_chr('}', buff, bufc); } (*dstr)--; } break; case '%': /* * Percent-replace start. Evaluate the chars * * * * following * and perform the appropriate * * * * substitution. */ at_space = 0; (*dstr)++; savec = **dstr; savepos = *bufc; switch (savec) { case '\0': /* * Null - all done */ (*dstr)--; break; case '|': /* piped command output */ safe_str(mudstate.pout, buff, bufc); break; case '%': /* * Percent - a literal % */ safe_chr('%', buff, bufc); break; case 'c': case 'C': (*dstr)++; if(!**dstr) (*dstr)--; ansi = 1; switch (**dstr) { case 'h': /* * hilite */ safe_str(ANSI_HILITE, buff, bufc); break; case 'i': /* * inverse */ safe_str(ANSI_INVERSE, buff, bufc); break; case 'f': /* * flash */ safe_str(ANSI_BLINK, buff, bufc); break; case 'u': /* underline */ safe_str(ANSI_UNDER, buff, bufc); break; case 'n': /* * normal */ safe_str(ANSI_NORMAL, buff, bufc); ansi = 0; break; case 'x': /* * black fg */ safe_str(ANSI_BLACK, buff, bufc); break; case 'r': /* * red fg */ safe_str(ANSI_RED, buff, bufc); break; case 'g': /* * green fg */ safe_str(ANSI_GREEN, buff, bufc); break; case 'y': /* * yellow fg */ safe_str(ANSI_YELLOW, buff, bufc); break; case 'b': /* * blue fg */ safe_str(ANSI_BLUE, buff, bufc); break; case 'm': /* * magenta fg */ safe_str(ANSI_MAGENTA, buff, bufc); break; case 'c': /* * cyan fg */ safe_str(ANSI_CYAN, buff, bufc); break; case 'w': /* * white fg */ safe_str(ANSI_WHITE, buff, bufc); break; case 'X': /* * black bg */ safe_str(ANSI_BBLACK, buff, bufc); break; case 'R': /* * red bg */ safe_str(ANSI_BRED, buff, bufc); break; case 'G': /* * green bg */ safe_str(ANSI_BGREEN, buff, bufc); break; case 'Y': /* * yellow bg */ safe_str(ANSI_BYELLOW, buff, bufc); break; case 'B': /* * blue bg */ safe_str(ANSI_BBLUE, buff, bufc); break; case 'M': /* * magenta bg */ safe_str(ANSI_BMAGENTA, buff, bufc); break; case 'C': /* * cyan bg */ safe_str(ANSI_BCYAN, buff, bufc); break; case 'W': /* * white bg */ safe_str(ANSI_BWHITE, buff, bufc); break; default: safe_chr(**dstr, buff, bufc); } break; case 'r': /* * Carriage return */ case 'R': safe_str((char *) "\r\n", buff, bufc); break; case 't': /* * Tab */ case 'T': safe_chr('\t', buff, bufc); break; case 'B': /* * Blank */ case 'b': safe_chr(' ', buff, bufc); break; case '0': /* * Command argument number N */ case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': i = (**dstr - '0'); if((i < ncargs) && (cargs[i] != NULL)) safe_str(cargs[i], buff, bufc); break; case 'V': /* * Variable attribute */ case 'v': (*dstr)++; ch = ToUpper(**dstr); if(!**dstr) (*dstr)--; if((ch < 'A') || (ch > 'Z')) break; i = 100 + ch - 'A'; atr_gotten = atr_pget(player, i, &aowner, &aflags); safe_str(atr_gotten, buff, bufc); free_lbuf(atr_gotten); break; case 'Q': case 'q': (*dstr)++; i = (**dstr - '0'); if((i >= 0) && (i <= 9) && mudstate.global_regs[i]) { safe_str(mudstate.global_regs[i], buff, bufc); } if(!**dstr) (*dstr)--; break; case 'O': /* * Objective pronoun */ case 'o': if(gender < 0) gender = get_gender(cause); if(!gender) tbuf = Name(cause); else tbuf = (char *) obj[gender]; safe_str(tbuf, buff, bufc); break; case 'P': /* * Personal pronoun */ case 'p': if(gender < 0) gender = get_gender(cause); if(!gender) { safe_str(Name(cause), buff, bufc); safe_chr('s', buff, bufc); } else { safe_str((char *) poss[gender], buff, bufc); } break; case 'S': /* * Subjective pronoun */ case 's': if(gender < 0) gender = get_gender(cause); if(!gender) tbuf = Name(cause); else tbuf = (char *) subj[gender]; safe_str(tbuf, buff, bufc); break; case 'A': /* * Absolute posessive */ case 'a': /* * idea from Empedocles */ if(gender < 0) gender = get_gender(cause); if(!gender) { safe_str(Name(cause), buff, bufc); safe_chr('s', buff, bufc); } else { safe_str((char *) absp[gender], buff, bufc); } break; case '#': /* * Invoker DB number */ tbuf = alloc_sbuf("exec.invoker"); sprintf(tbuf, "#%ld", cause); safe_str(tbuf, buff, bufc); free_sbuf(tbuf); break; case '!': /* * Executor DB number */ tbuf = alloc_sbuf("exec.executor"); sprintf(tbuf, "#%ld", player); safe_str(tbuf, buff, bufc); free_sbuf(tbuf); break; case 'N': /* * Invoker name */ case 'n': safe_str(Name(cause), buff, bufc); break; case 'L': /* * Invoker location db# */ case 'l': if(!(eval & EV_NO_LOCATION)) { tbuf = alloc_sbuf("exec.exloc"); sprintf(tbuf, "#%ld", where_is(cause)); safe_str(tbuf, buff, bufc); free_sbuf(tbuf); } break; default: /* * Just copy */ safe_chr(**dstr, buff, bufc); } if(isupper(savec)) *savepos = ToUpper(*savepos); break; case '(': /* * Arglist start. See if what precedes is a function. If so, * execute it if we should. */ at_space = 0; if(!(eval & EV_FCHECK)) { safe_chr('(', buff, bufc); break; } /* * Load an sbuf with an uppercase version of the func name, and * see if the func exists. Trim trailing spaces from the name * if configured. */ **bufc = '\0'; tbufc = tbuf = alloc_sbuf("exec.tbuf"); safe_sb_str(oldp, tbuf, &tbufc); *tbufc = '\0'; if(mudconf.space_compress) { while ((--tbufc >= tbuf) && isspace(*tbufc)); tbufc++; *tbufc = '\0'; } for(tbufc = tbuf; *tbufc; tbufc++) *tbufc = ToLower(*tbufc); fp = (FUN *) hashfind(tbuf, &mudstate.func_htab); /* * If not a builtin func, check for global func */ ufp = NULL; if(fp == NULL) { ufp = (UFUN *) hashfind(tbuf, &mudstate.ufunc_htab); } /* * Do the right thing if it doesn't exist */ if(!fp && !ufp) { if(eval & EV_FMAND) { *bufc = oldp; safe_str((char *) "#-1 FUNCTION (", buff, bufc); safe_str(tbuf, buff, bufc); safe_str((char *) ") NOT FOUND", buff, bufc); alldone = 1; } else { safe_chr('(', buff, bufc); } free_sbuf(tbuf); eval &= ~EV_FCHECK; break; } free_sbuf(tbuf); /* * Get the arglist and count the number of args * Neg * * * * * * * # of args means catenate subsequent * args */ if(ufp) nfargs = NFARGS; else if(fp->nargs < 0) nfargs = -fp->nargs; else nfargs = NFARGS; tstr = *dstr; if(fp && (fp->flags & FN_NO_EVAL)) feval = (eval & ~EV_EVAL) | EV_STRIP_ESC; else feval = eval; *dstr = parse_arglist(player, cause, *dstr + 1, ')', feval, fargs, nfargs, cargs, ncargs); /* * If no closing delim, just insert the '(' and * * * * * * continue normally */ if(!*dstr) { *dstr = tstr; safe_chr(**dstr, buff, bufc); for(i = 0; i < nfargs; i++) if(fargs[i] != NULL) free_lbuf(fargs[i]); eval &= ~EV_FCHECK; break; } /* * Count number of args returned */ (*dstr)--; j = 0; for(i = 0; i < nfargs; i++) if(fargs[i] != NULL) j = i + 1; nfargs = j; /* * If it's a user-defined function, perform it now. */ if(ufp) { mudstate.func_nest_lev++; if(!check_access(player, ufp->perms)) { safe_str("#-1 PERMISSION DENIED", buff, &oldp); *bufc = oldp; } else { tstr = atr_get(ufp->obj, ufp->atr, &aowner, &aflags); if(ufp->flags & FN_PRIV) i = ufp->obj; else i = player; str = tstr; if(ufp->flags & FN_PRES) { for(j = 0; j < MAX_GLOBAL_REGS; j++) { if(!mudstate.global_regs[j]) preserve[j] = NULL; else { preserve[j] = alloc_lbuf("eval_regs"); StringCopy(preserve[j], mudstate.global_regs[j]); } } } exec(buff, &oldp, 0, i, cause, feval, &str, fargs, nfargs); *bufc = oldp; if(ufp->flags & FN_PRES) { for(j = 0; j < MAX_GLOBAL_REGS; j++) { if(preserve[j]) { if(!mudstate.global_regs[j]) mudstate.global_regs[j] = alloc_lbuf("eval_regs"); StringCopy(mudstate.global_regs[j], preserve[j]); free_lbuf(preserve[j]); } else { if(mudstate.global_regs[j]) *(mudstate.global_regs[i]) = '\0'; } } } free_lbuf(tstr); } /* * Return the space allocated for the args */ mudstate.func_nest_lev--; for(i = 0; i < nfargs; i++) if(fargs[i] != NULL) free_lbuf(fargs[i]); eval &= ~EV_FCHECK; break; } /* * If the number of args is right, perform the func. * Otherwise return an error message. Note * that parse_arglist returns zero args as one * null arg, so we have to handle that case * specially. */ if((fp->nargs == 0) && (nfargs == 1)) { if(!*fargs[0]) { free_lbuf(fargs[0]); fargs[0] = NULL; nfargs = 0; } } if((nfargs == fp->nargs) || (nfargs == -fp->nargs) || (fp->flags & FN_VARARGS)) { /* * Check recursion limit */ mudstate.func_nest_lev++; mudstate.func_invk_ctr++; if(mudstate.func_nest_lev >= mudconf.func_nest_lim) { safe_str("#-1 FUNCTION RECURSION LIMIT EXCEEDED", buff, bufc); } else if(mudstate.func_invk_ctr == mudconf.func_invk_lim) { safe_str("#-1 FUNCTION INVOCATION LIMIT EXCEEDED", buff, bufc); } else if(!check_access(player, fp->perms)) { safe_str("#-1 PERMISSION DENIED", buff, &oldp); *bufc = oldp; } else if(mudstate.func_invk_ctr < mudconf.func_invk_lim) { fp->fun(buff, &oldp, player, cause, fargs, nfargs, cargs, ncargs); *bufc = oldp; } else { **bufc = '\0'; } mudstate.func_nest_lev--; } else { *bufc = oldp; tstr = alloc_sbuf("exec.funcargs"); sprintf(tstr, "%d", fp->nargs); safe_str((char *) "#-1 FUNCTION (", buff, bufc); safe_str((char *) fp->name, buff, bufc); safe_str((char *) ") EXPECTS ", buff, bufc); safe_str(tstr, buff, bufc); safe_str((char *) " ARGUMENTS", buff, bufc); free_sbuf(tstr); } /* * Return the space allocated for the arguments */ for(i = 0; i < nfargs; i++) if(fargs[i] != NULL) free_lbuf(fargs[i]); eval &= ~EV_FCHECK; break; default: /* * A mundane character. Just copy it */ at_space = 0; safe_chr(**dstr, buff, bufc); } (*dstr)++; } /* * If we're eating spaces, and the last thing was a space, eat it * up. Complicated by the fact that at_space is initially * true. So check to see if we actually put something in the * buffer, too. */ if(mudconf.space_compress && at_space && !(eval & EV_NO_COMPRESS) && (start != *bufc)) (*bufc)--; /* * The ansi() function knows how to take care of itself. However, * if the player used a %c sub in the string, and hasn't yet * terminated the color with a %cn yet, we'll have to do it for * them. */ if(ansi == 1) safe_str(ANSI_NORMAL, buff, bufc); **bufc = '\0'; /* * Report trace information */ if(realbuff) { **bufc = '\0'; *bufc = realbp; safe_str(buff, realbuff, bufc); free(buff); buff = realbuff; } if(is_trace) { tcache_add(savestr, start); save_count = tcache_count - mudconf.trace_limit;; if(is_top || !mudconf.trace_topdown) tcache_finish(player); if(is_top && (save_count > 0)) { tbuf = alloc_mbuf("exec.trace_diag"); sprintf(tbuf, "%d lines of trace output discarded.", save_count); notify(player, tbuf); free_mbuf(tbuf); } } }
/** Attempt to register a new player at the connect screen. * If registration is allowed, a new player object is created with * a random password which is emailed to the registering player. * \param name name of player to register. * \param email email address to send registration details. * \param host host from which registration is being attempted. * \param ip ip address from which registration is being attempted. * \return dbref of created player or NOTHING if creation failed. */ dbref email_register_player(DESC *d, const char *name, const char *email, const char *host, const char *ip) { char *p; char passwd[20]; static char elems[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; int i, len; bool resend = 0; dbref player = NOTHING; FILE *fp; size_t NELEMS = sizeof(elems) - 1; char sbuff[260]; if (!check_fails(ip)) { return NOTHING; } if (strlen(options.sendmail_prog) == 0) return NOTHING; if (!ok_player_name(name, NOTHING, NOTHING)) { /* Check for re-registration request */ player = lookup_player(name); if (GoodObject(player)) { ATTR *a; a = atr_get(player, "LASTLOGOUT"); if (!a) { a = atr_get(player, "REGISTERED_EMAIL"); if (a && !strcasecmp(atr_value(a), email)) resend = 1; } } if (!resend) { do_log(LT_CONN, 0, 0, "Failed registration (bad name) from %s", host); queue_event(SYSEVENT, "SOCKET`CREATEFAIL", "%d,%s,%d,%s,%s", d->descriptor, ip, mark_failed(ip), "register: bad name", name); return NOTHING; } } if (!resend) { /* Make sure that the email address is kind of valid. A valid * address must contain a @. Let the mailer sort it out beyond * that. Also, to prevent someone from using the MUSH to mailbomb * another site, let's make sure that the site to which the user * wants the email sent is also allowed to use the register * command. If there's an @, we check whatever's after the last @ * (since @foo.bar:user@host is a valid email). */ if ((p = strrchr(email, '@'))) { p++; if (!Site_Can_Register(p)) { if (!Deny_Silent_Site(p, AMBIGUOUS)) { do_log(LT_CONN, 0, 0, "Failed registration (bad site in email: %s) from %s", email, host); queue_event(SYSEVENT, "SOCKET`CREATEFAIL", "%d,%s,%d,%s,%s", d->descriptor, ip, mark_failed(ip), "register: bad site in email", name); } return NOTHING; } } else { if (!Deny_Silent_Site(host, AMBIGUOUS)) { do_log(LT_CONN, 0, 0, "Failed registration (bad email: %s) from %s", email, host); queue_event(SYSEVENT, "SOCKET`CREATEFAIL", "%d,%s,%d,%s,%s", d->descriptor, ip, mark_failed(ip), "register: sitelocked host", name); } return NOTHING; } if (DBTOP_MAX && (db_top >= DBTOP_MAX + 1) && (first_free == NOTHING)) { /* Oops, out of db space! */ do_log(LT_CONN, 0, 0, "Failed registration (no db space) from %s", host); queue_event(SYSEVENT, "SOCKET`CREATEFAIL", "%d,%s,%d,%s,%s", d->descriptor, ip, count_failed(ip), "register: no db space left to create!", name); return NOTHING; } } /* Come up with a random password of length 7-12 chars */ len = get_random_u32(7, 12); for (i = 0; i < len; i++) passwd[i] = elems[get_random_u32(0, NELEMS - 1)]; passwd[len] = '\0'; /* If we've made it here, we can send the email and create the * character. Email first, since that's more likely to go bad. * Some security precautions we'll take: * 1) We'll use sendmail -t, so we don't pass user-given values to a shell. * 2) We'll cross our fingers and hope nobody uses this to spam. */ release_fd(); snprintf(sbuff, sizeof sbuff, "%s -t", options.sendmail_prog); if ((fp = popen(sbuff, "w")) == NULL) { do_log(LT_CONN, 0, 0, "Failed registration of %s by %s: unable to open sendmail", name, email); queue_event(SYSEVENT, "SOCKET`CREATEFAIL", "%d,%s,%d,%s,%s,%d", d->descriptor, ip, count_failed(ip), "register: Unable to open sendmail!", name, 1); reserve_fd(); return NOTHING; } fprintf(fp, "Subject: "); fprintf(fp, T("[%s] Registration of %s\n"), MUDNAME, name); fprintf(fp, "To: %s\n", email); fprintf(fp, "Precedence: junk\n"); fprintf(fp, "\n"); fprintf(fp, T("This is an automated message.\n")); fprintf(fp, "\n"); fprintf(fp, T("Your requested player, %s, has been created.\n"), name); fprintf(fp, T("The password is %s\n"), passwd); fprintf(fp, "\n"); fprintf(fp, T("To access this character, connect to %s and type:\n"), MUDNAME); fprintf(fp, "\tconnect \"%s\" %s\n", name, passwd); fprintf(fp, "\n"); i = pclose(fp); reserve_fd(); if (i != 0) { /* Mailer exited with an error code. Log it. */ do_rawlog( LT_CONN, "When attempting to email a password to a newly registered player,\n" "\tthe mailer exited with error code %d.\n" "\t(Check /usr/include/sysexits.h if present for the meaning.)", i); queue_event(SYSEVENT, "SOCKET`CREATEFAIL", "%d,%s,%d,%s,%s,%d", d->descriptor, ip, count_failed(ip), "register: Unable to send email", name, i); return NOTHING; } else if (resend) { /* Reset the password */ (void) atr_add(player, pword_attr, password_hash(passwd, NULL), GOD, 0); return player; } else { /* Ok, all's well, make a player */ player = make_player(name, passwd, host, ip); queue_event(SYSEVENT, "PLAYER`CREATE", "%s,%s,%s,%d,%s", unparse_objid(player), name, "register", d->descriptor, email); (void) atr_add(player, "REGISTERED_EMAIL", email, GOD, 0); return player; } }
/* send a standard radio communication */ void send_com(dbref from, char *arg_left, char *arg_right) { dbref com, obj; hship *ship; hcelestial *cel; huniverse *uid; double xmit, rcv; char contact[32]; char *r, *s; char buff[128]; ATTR *a; double sx, sy, sz, tx, ty, tz, dist; char pre[128]; char *mesg; int sent_to_from, send_to_com; if (!IsComm(from)) { notify(from, "You do not have the HS_COMM flag."); return; } uid = NULL; obj = atr_parse_dbref(from, "HSPACE"); if (!RealGoodObject(obj)) { notify(from, "You do not have a valid space id. Board, disembark, eject, or man a console."); return; } if (IsShip(obj)) { ship = find_ship_by_nav(obj); if (!ship) { notify(from, "Your space id is not a valid ship."); return; } if (ship->uid) { sx = ship->x; sy = ship->y; sz = ship->z; uid = ship->uid; } else if (ship->landed) { sx = ship->landed->x; sy = ship->landed->y; sz = ship->landed->z; uid = ship->landed->uid; } else if (ship->docked) { sx = ship->docked->x; sy = ship->docked->y; sz = ship->docked->z; uid = ship->docked->uid; } strncpy(contact, ship_name(ship), 10); } else if (IsCelestial(obj)) { cel = find_celestial(obj); if (!cel) { notify(from, "Your space id is not a valid celestial."); return; } sx = cel->x; sy = cel->y; sz = cel->z; uid = cel->uid; strncpy(contact, celestial_name(cel), 10); } contact[10] = '\0'; if (!uid) { notify(from, "Your space id does not have a valid uid."); return; } if (arg_left && arg_right && *arg_right) { xmit = strtod(arg_left, &s); if (s && *s) { return; } mesg = arg_right; } else { xmit = atr_parse_double(from, "TRANSMIT", 0.0); mesg = arg_left; } if (xmit < 100.0 || xmit > 999.9) { notify(from, "Transmission frequency must be between 100 and 999 MHz."); return; } a = atr_get(from, "CALLSIGN"); if (!a) { snprintf(pre, 127, "%s%s[%s%5.1f MHz%s%s]-[%s%-10s%s]-[%s ", ANSI_HILITE, ANSI_BLUE, ANSI_NORMAL, xmit, ANSI_HILITE, ANSI_BLUE, ANSI_GREEN, contact, ANSI_BLUE, ANSI_NORMAL); } else { snprintf(pre, 127, "%s%s[%s%5.1f MHz%s%s]-[%s%-10s%s]-[%s %s<%s%s%s>%s ", ANSI_HILITE, ANSI_BLUE, ANSI_NORMAL, xmit, ANSI_HILITE, ANSI_BLUE, ANSI_GREEN, contact, ANSI_BLUE, ANSI_NORMAL, ANSI_CYAN, ANSI_NORMAL, atr_value(a), ANSI_CYAN, ANSI_NORMAL); } /* go through the comm list and check each one */ sent_to_from = 0; for (com = 0; com < db_top; com++) { if (!IsComm(com)) continue; /* check if the user is in the same uid */ obj = atr_parse_dbref(com, "HSPACE"); if (IsShip(obj)) { ship = find_ship_by_nav(obj); if (!ship) continue; if (ship->uid && ship->uid != uid) continue; else if (ship->landed && ship->landed->uid != uid) continue; else if (ship->docked && ship->docked->uid != uid) continue; if (ship->uid) { tx = ship->x; ty = ship->y; tz = ship->z; } else if (ship->landed) { tx = ship->landed->x; ty = ship->landed->y; tz = ship->landed->z; } else if (ship->docked) { tx = ship->docked->x; ty = ship->docked->y; tz = ship->docked->z; } } else if (IsCelestial(obj)) { cel = find_celestial(obj); if (!cel) continue; if (cel->uid != uid) continue; tx = cel->x; ty = cel->y; tz = cel->z; } else { continue; } dist = dist3d(sx, sy, sz, tx, ty, tz) / hs_options.max_comm_dist; if (dist > 1.0) continue; a = atr_get(com, "FREQUENCY"); if (!a) continue; /* check all frequencies to see if we need to send to this com */ send_to_com = 0; snprintf(buff, 127, atr_value(a)); s = buff; while (s) { r = split_token(&s, ' '); rcv = parse_number(r); /* check to see if we're on the right frequency */ if (fabs(rcv - xmit) < 0.1) { send_to_com = 1; break; } } if (send_to_com) { if (com == from) sent_to_from = 1; notify_format(com, "%s%s%s%s]%s", pre, decay_msg(mesg, dist), ANSI_HILITE, ANSI_BLUE, ANSI_NORMAL); } } if (!sent_to_from) { notify_format(from, "You send \"%s\" on frequency %5.1f.", mesg, xmit); } }
/** Populate a ufun_attrib struct from an obj/attr pair. * \verbatim Given an attribute [<object>/]<name> pair (which may include #lambda), * fetch its value, owner (thing), and pe_flags, and store in the struct * pointed to by ufun * \endverbatim * \param attrstring The obj/name of attribute. * \param executor Dbref of the executing object. * \param ufun Pointer to an allocated ufun_attrib struct to fill in. * \param flags A bitwise or of desired UFUN_* flags. * \return 0 on failure, true on success. */ bool fetch_ufun_attrib(const char *attrstring, dbref executor, ufun_attrib * ufun, int flags) { char *thingname, *attrname; char astring[BUFFER_LEN]; ATTR *attrib; if (!ufun) return 0; ufun->contents[0] = '\0'; ufun->errmess = (char *) ""; ufun->thing = executor; ufun->pe_flags = PE_UDEFAULT; ufun->ufun_flags = flags; ufun->thing = executor; thingname = NULL; if (!attrstring) return 0; strncpy(astring, attrstring, BUFFER_LEN); /* Split obj/attr */ if ((flags & UFUN_OBJECT) && ((attrname = strchr(astring, '/')) != NULL)) { thingname = astring; *(attrname++) = '\0'; } else { attrname = astring; } if (thingname && (flags & UFUN_LAMBDA) && (strcasecmp(thingname, "#lambda") == 0 || strncasecmp(thingname, "#apply", 6) == 0)) { /* It's a lambda. */ ufun->ufun_flags &= ~UFUN_NAME; ufun->thing = executor; if (strcasecmp(thingname, "#lambda") == 0) mush_strncpy(ufun->contents, attrname, BUFFER_LEN); else { /* #apply */ char *ucb = ufun->contents; unsigned nargs = 1, n; thingname += 6; if (*thingname) nargs = parse_uinteger(thingname); /* Limit between 1 and 10 arguments (%0-%9) */ if (nargs == 0) nargs = 1; if (nargs > 10) nargs = 10; safe_str(attrname, ufun->contents, &ucb); safe_chr('(', ufun->contents, &ucb); for (n = 0; n < nargs; n++) { if (n > 0) safe_chr(',', ufun->contents, &ucb); safe_format(ufun->contents, &ucb, "%%%u", n); } safe_chr(')', ufun->contents, &ucb); *ucb = '\0'; } ufun->attrname[0] = '\0'; return 1; } if (thingname) { /* Attribute is on something else. */ ufun->thing = noisy_match_result(executor, thingname, NOTYPE, MAT_EVERYTHING); if (!GoodObject(ufun->thing)) { ufun->errmess = (char *) "#-1 INVALID OBJECT"; return 0; } } attrib = (ATTR *) atr_get(ufun->thing, upcasestr(attrname)); if (attrib && AF_Internal(attrib)) { /* Regardless of whether we're doing permission checks, we should * never be showing internal attributes here */ attrib = NULL; } /* An empty attrib is the same as no attrib. */ if (attrib == NULL) { if (flags & UFUN_REQUIRE_ATTR) { if (!(flags & UFUN_IGNORE_PERMS) && !Can_Examine(executor, ufun->thing)) ufun->errmess = e_atrperm; return 0; } else { mush_strncpy(ufun->attrname, attrname, ATTRIBUTE_NAME_LIMIT + 1); return 1; } } if (!(flags & UFUN_IGNORE_PERMS) && !Can_Read_Attr(executor, ufun->thing, attrib)) { ufun->errmess = e_atrperm; return 0; } if (!(flags & UFUN_IGNORE_PERMS) && !CanEvalAttr(executor, ufun->thing, attrib)) { ufun->errmess = e_perm; return 0; } /* DEBUG attributes */ if (AF_NoDebug(attrib)) ufun->pe_flags |= PE_NODEBUG; /* No_Debug overrides Debug */ else if (AF_Debug(attrib)) ufun->pe_flags |= PE_DEBUG; if (flags & UFUN_NAME) { if (attrib->flags & AF_NONAME) ufun->ufun_flags &= ~UFUN_NAME; else if (attrib->flags & AF_NOSPACE) ufun->ufun_flags |= UFUN_NAME_NOSPACE; } /* Populate the ufun object */ mush_strncpy(ufun->contents, atr_value(attrib), BUFFER_LEN); mush_strncpy(ufun->attrname, AL_NAME(attrib), ATTRIBUTE_NAME_LIMIT + 1); /* We're good */ return 1; }
/* leave a landed/docked ship through the hatch */ void disembark(dbref player) { dbref nav, obj, newobj; hship *ship; ATTR *a; int security; /* check if we can disembark from here */ a = atr_get(Location(player), "BAY"); if (!a) { /* no BAY, check if we're near the nav console */ ship = find_ship(player); if (ship) { if (Location(ship->objnum) != Location(player)) { notify(player, "You can't disembark from here."); return; } } } else { /* there's a BAY here, make sure it's a good one */ nav = parse_dbref(atr_value(a)); if (!IsShip(nav)) { notify(player, "You can't disembark from here."); return; } ship = find_ship_by_nav(nav); } if (!ship) { notify(player, "You can't disembark from here."); return; } /* no ditching in space, or early after launching, or prematurely when landing */ if ((ship->uid || ship->landing || ship->launching) && !ship->linked) { notify(player, "You can't disembark while in space."); return; } obj = atr_parse_dbref(ship->objnum, "SHIPOBJ"); if (!RealGoodObject(obj)) { notify(player, "This ship can not be disembarked."); return; } /* check whether we're docking or landing, save the new space object */ if (ship->landed) { newobj = ship->landed->objnum; } else if (ship->docked) { newobj = ship->docked->objnum; } else if (ship->linked) { newobj = ship->linked->objnum; } else { notify(player, "You can't disembark while in space."); return; } if (ship->linked) { /* check the boarding code, if necessary */ security = atr_parse_integer(ship->linked->objnum, "SECURITY", 0); if (security) { notify(player, "Unable to use boarding link while the other ship has security enabled."); return; } security = atr_parse_integer(ship->objnum, "SECURITY", 0); if (security) { notify(player, "Unable to use boarding link while security is enabled."); return; } obj = atr_parse_dbref(ship->linked->objnum, "BAY"); if (!RealGoodObject(obj)) obj = Location(ship->linked->objnum); moveto(player, obj, hs_options.space_wiz, NULL); } else { moveto(player, Location(obj), hs_options.space_wiz, NULL); } /* finish up by setting HSPACE attribute and notifying everybody about the move */ atr_add(player, "HSPACE", unparse_dbref(newobj), hs_options.space_wiz, 0); notify_except(obj, Location(player), player, tprintf("%s disembarks through the main hatch.", Name(player)), 0); notify_except(obj, Location(obj), player, tprintf("%s disembarks from the %s.", Name(player), Name(obj)), 0); return; }
static void mung_quotas(dbref player, int key, int value) { dbref aowner; int aq, rq, xq, aflags; UTF8 *buff; if (key & QUOTA_FIX) { // Get value of stuff owned and good value, set other value from that. // xq = count_quota(player); if (key & QUOTA_TOT) { buff = atr_get("mung_quotas.79", player, A_RQUOTA, &aowner, &aflags); aq = mux_atol(buff) + xq; atr_add_raw(player, A_QUOTA, mux_ltoa_t(aq)); free_lbuf(buff); } else { buff = atr_get("mung_quotas.86", player, A_QUOTA, &aowner, &aflags); rq = mux_atol(buff) - xq; atr_add_raw(player, A_RQUOTA, mux_ltoa_t(rq)); free_lbuf(buff); } } else { // Obtain (or calculate) current relative and absolute quota. // buff = atr_get("mung_quotas.96", player, A_QUOTA, &aowner, &aflags); if (!*buff) { free_lbuf(buff); buff = atr_get("mung_quotas.100", player, A_RQUOTA, &aowner, &aflags); rq = mux_atol(buff); free_lbuf(buff); aq = rq + count_quota(player); } else { aq = mux_atol(buff); free_lbuf(buff); buff = atr_get("mung_quotas.109", player, A_RQUOTA, &aowner, &aflags); rq = mux_atol(buff); free_lbuf(buff); } // Adjust values. // if (key & QUOTA_REM) { aq += (value - rq); rq = value; } else { rq += (value - aq); aq = value; } // Set both abs and relative quota. // atr_add_raw(player, A_QUOTA, mux_ltoa_t(aq)); atr_add_raw(player, A_RQUOTA, mux_ltoa_t(rq)); } }