/* db.c */ #include "autoconf.h" #include "copyright.h" #ifndef lint static char RCSid[] = "$Id: db.c,v 1.10 1995/03/21 00:00:04 ambar Exp $"; USE(RCSid); #endif #include "interface.h" #include "attrs.h" #include "vattr.h" #include "match.h" extern int sock; extern int ndescriptors; extern int maxd; extern void FDECL(desc_addhash, (DESC *)); #ifndef O_ACCMODE #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) #endif OBJ *db = NULL; NAME *names = NULL; #ifdef TEST_MALLOC int malloc_count = 0; #endif /* TEST_MALLOC */ #ifdef IN_MEM_COMPRESSION /* Buffers for compressing in and out of. NOTE: These assume that compression will NEVER expand input text by more than 1.5, which is valid for the radix tree stuff, since it emits at worst a 12 bit code for every input byte. If this changes, the size of compress_buff needs to be adjusted to the new worst case. */ static char decomp_buff[LBUF_SIZE]; static char compress_buff[LBUF_SIZE + (LBUF_SIZE >> 1) + 1]; #endif extern VATTR *FDECL(vattr_rename, (char *, char *)); /* --------------------------------------------------------------------------- * Temp file management, used to get around static limits in some versions * of libc. */ FILE *t_fd; int t_is_pipe; #ifdef TLI int t_is_tli; #endif static void tf_xclose(fd) FILE *fd; { if (fd) { if (t_is_pipe) pclose(fd); #ifdef TLI else if (t_is_tli) t_close(fd); #endif else fclose(fd); } else { close(0); } t_fd = NULL; t_is_pipe = 0; } static int tf_fiddle(tfd) int tfd; { if (tfd < 0) { tfd = open(DEV_NULL, O_RDONLY, 0); return -1; } if (tfd != 0) { dup2(tfd, 0); close(tfd); } return 0; } static int tf_xopen(fname, mode) char *fname; int mode; { int fd; fd = open(fname, mode, 0600); fd = tf_fiddle(fd); return fd; } /* #define t_xopen(f,m) t_fiddle(open(f, m, 0600)) */ static const char * mode_txt(mode) int mode; { switch (mode & O_ACCMODE) { case O_RDONLY: return "r"; case O_WRONLY: return "w"; } return "r+"; } void NDECL(tf_init) { fclose(stdin); tf_xopen(DEV_NULL, O_RDONLY); t_fd = NULL; t_is_pipe = 0; } int tf_open(fname, mode) char *fname; int mode; { tf_xclose(t_fd); return tf_xopen(fname, mode); } #ifndef STANDALONE int tf_socket(fam, typ) int fam, typ; { tf_xclose(t_fd); return tf_fiddle(socket(fam, typ, 0)); } #ifdef TLI int tf_topen(fam, mode) int fam, mode; { tf_xclose(t_fd); return tf_fiddle(t_open(fam, mode, NULL)); } #endif #endif void tf_close(fdes) int fdes; { tf_xclose(t_fd); tf_xopen(DEV_NULL, O_RDONLY); } FILE * tf_fopen(fname, mode) char *fname; int mode; { tf_xclose(t_fd); if (tf_xopen(fname, mode) >= 0) { t_fd = fdopen(0, mode_txt(mode)); return t_fd; } return NULL; } void tf_fclose(fd) FILE *fd; { tf_xclose(t_fd); tf_xopen(DEV_NULL, O_RDONLY); } FILE * tf_popen(fname, mode) char *fname; int mode; { tf_xclose(t_fd); t_fd = popen(fname, mode_txt(mode)); if (t_fd != NULL) { t_is_pipe = 1; } return t_fd; } /* Check routine forward declaration. */ extern int FDECL(fwdlist_ck, (int, dbref, dbref, int, char *)); void FDECL(fwdlist_clr, (dbref)); extern void FDECL(pcache_reload, (dbref)); extern void FDECL(desc_reload, (dbref)); /* * If you would like to add some attributes of your own please write to me * for available attribute #'s. This way some degree of compatibility can be * maintained between different variation of TinyMUSH Try: * larry@pleiades.ecs.umass.edu larry@belch.berkeley.edu * larry@sigh.berkeley.edu larry@roberts.wpi.edu or shiva on the MUDS */ /* list of attributes */ ATTR attr[] = { {"Aahear", A_AAHEAR, AF_ODARK, NULL}, {"Aclone", A_ACLONE, AF_ODARK, NULL}, {"Aconnect", A_ACONNECT, AF_ODARK, NULL}, {"Adesc", A_ADESC, AF_ODARK, NULL}, {"Adfail", A_ADFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Adisconnect", A_ADISCONNECT, AF_ODARK, NULL}, {"Adrop", A_ADROP, AF_ODARK, NULL}, {"Aefail", A_AEFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Aenter", A_AENTER, AF_ODARK, NULL}, {"Afail", A_AFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Agfail", A_AGFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Ahear", A_AHEAR, AF_ODARK, NULL}, {"Akill", A_AKILL, AF_ODARK, NULL}, {"Aleave", A_ALEAVE, AF_ODARK, NULL}, {"Alfail", A_ALFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Alias", A_ALIAS, AF_NOPROG | AF_NOCMD | AF_GOD, NULL}, {"Allowance", A_ALLOWANCE, AF_MDARK | AF_NOPROG | AF_WIZARD, NULL}, {"Amhear", A_AMHEAR, AF_ODARK, NULL}, {"Amove", A_AMOVE, AF_ODARK, NULL}, {"Apay", A_APAY, AF_ODARK, NULL}, {"Arfail", A_ARFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Asucc", A_ASUCC, AF_ODARK, NULL}, {"Atfail", A_ATFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Atport", A_ATPORT, AF_ODARK | AF_NOPROG, NULL}, {"Aufail", A_AUFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Ause", A_AUSE, AF_ODARK, NULL}, {"Away", A_AWAY, AF_ODARK | AF_NOPROG, NULL}, {"Charges", A_CHARGES, AF_ODARK | AF_NOPROG, NULL}, {"Comment", A_COMMENT, AF_MDARK | AF_WIZARD, NULL}, {"ConFormat", A_LCON_FMT, AF_ODARK | AF_NOPROG, NULL}, {"ControlLock", A_LCONTROL, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Cost", A_COST, AF_ODARK, NULL}, {"Desc", A_DESC, AF_NOPROG, NULL}, {"DefaultLock", A_LOCK, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Dfail", A_DFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Drop", A_DROP, AF_ODARK | AF_NOPROG, NULL}, {"DropLock", A_LDROP, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Ealias", A_EALIAS, AF_ODARK | AF_NOPROG, NULL}, {"Efail", A_EFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Enter", A_ENTER, AF_ODARK, NULL}, {"EnterLock", A_LENTER, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"ExitFormat", A_LEXITS_FMT, AF_ODARK | AF_NOPROG, NULL}, {"Fail", A_FAIL, AF_ODARK | AF_NOPROG, NULL}, {"Filter", A_FILTER, AF_ODARK | AF_NOPROG, NULL}, {"Forwardlist", A_FORWARDLIST, AF_ODARK | AF_NOPROG, fwdlist_ck}, {"Gfail", A_GFAIL, AF_ODARK | AF_NOPROG, NULL}, {"GiveLock", A_LGIVE, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Idesc", A_IDESC, AF_ODARK | AF_NOPROG, NULL}, {"Idle", A_IDLE, AF_ODARK | AF_NOPROG, NULL}, {"Infilter", A_INFILTER, AF_ODARK | AF_NOPROG, NULL}, {"Inprefix", A_INPREFIX, AF_ODARK | AF_NOPROG, NULL}, {"Kill", A_KILL, AF_ODARK, NULL}, {"Lalias", A_LALIAS, AF_ODARK | AF_NOPROG, NULL}, {"Last", A_LAST, AF_WIZARD | AF_NOCMD | AF_NOPROG, NULL}, {"Lastsite", A_LASTSITE, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_GOD, NULL}, {"Leave", A_LEAVE, AF_ODARK, NULL}, {"LeaveLock", A_LLEAVE, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Lfail", A_LFAIL, AF_ODARK | AF_NOPROG, NULL}, {"LinkLock", A_LLINK, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Listen", A_LISTEN, AF_ODARK, NULL}, {"Logindata", A_LOGINDATA, AF_DARK | AF_NOPROG | AF_NOCMD | AF_INTERNAL, NULL}, {"Move", A_MOVE, AF_ODARK, NULL}, {"Name", A_NAME, AF_DARK | AF_NOPROG | AF_NOCMD | AF_INTERNAL, NULL}, {"NewObjs", A_NEWOBJS, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"Odesc", A_ODESC, AF_ODARK | AF_NOPROG, NULL}, {"Odfail", A_ODFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Odrop", A_ODROP, AF_ODARK | AF_NOPROG, NULL}, {"Oefail", A_OEFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Oenter", A_OENTER, AF_ODARK, NULL}, {"Ofail", A_OFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Ogfail", A_OGFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Okill", A_OKILL, AF_ODARK, NULL}, {"Oleave", A_OLEAVE, AF_ODARK, NULL}, {"Olfail", A_OLFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Omove", A_OMOVE, AF_ODARK, NULL}, {"Opay", A_OPAY, AF_ODARK, NULL}, {"Orfail", A_ORFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Osucc", A_OSUCC, AF_ODARK | AF_NOPROG, NULL}, {"Otfail", A_OTFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Otport", A_OTPORT, AF_ODARK | AF_NOPROG, NULL}, {"Oufail", A_OUFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Ouse", A_OUSE, AF_ODARK, NULL}, {"Oxenter", A_OXENTER, AF_ODARK, NULL}, {"Oxleave", A_OXLEAVE, AF_ODARK, NULL}, {"Oxtport", A_OXTPORT, AF_ODARK | AF_NOPROG, NULL}, {"PageLock", A_LPAGE, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"ParentLock", A_LPARENT, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Pay", A_PAY, AF_ODARK, NULL}, {"Prefix", A_PREFIX, AF_ODARK | AF_NOPROG, NULL}, {"ProgCmd", A_PROGCMD, AF_DARK | AF_NOPROG | AF_NOCMD | AF_INTERNAL, NULL}, {"QueueMax", A_QUEUEMAX, AF_MDARK | AF_WIZARD | AF_NOPROG, NULL}, {"Quota", A_QUOTA, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"ReceiveLock", A_LRECEIVE, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Reject", A_REJECT, AF_ODARK | AF_NOPROG, NULL}, {"Rfail", A_RFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Rquota", A_RQUOTA, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"Runout", A_RUNOUT, AF_ODARK, NULL}, {"Semaphore", A_SEMAPHORE, AF_ODARK | AF_NOPROG | AF_WIZARD | AF_NOCMD, NULL}, {"Sex", A_SEX, AF_NOPROG, NULL}, {"Startup", A_STARTUP, AF_ODARK, NULL}, {"Succ", A_SUCC, AF_ODARK | AF_NOPROG, NULL}, {"TeloutLock", A_LTELOUT, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Tfail", A_TFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Timeout", A_TIMEOUT, AF_MDARK | AF_NOPROG | AF_WIZARD, NULL}, {"Tport", A_TPORT, AF_ODARK | AF_NOPROG, NULL}, {"TportLock", A_LTPORT, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"Ufail", A_UFAIL, AF_ODARK | AF_NOPROG, NULL}, {"Use", A_USE, AF_ODARK, NULL}, {"UseLock", A_LUSE, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"UserLock", A_LUSER, AF_ODARK | AF_NOPROG | AF_NOCMD | AF_IS_LOCK, NULL}, {"VA", A_VA, AF_ODARK, NULL}, {"VB", A_VA + 1, AF_ODARK, NULL}, {"VC", A_VA + 2, AF_ODARK, NULL}, {"VD", A_VA + 3, AF_ODARK, NULL}, {"VE", A_VA + 4, AF_ODARK, NULL}, {"VF", A_VA + 5, AF_ODARK, NULL}, {"VG", A_VA + 6, AF_ODARK, NULL}, {"VH", A_VA + 7, AF_ODARK, NULL}, {"VI", A_VA + 8, AF_ODARK, NULL}, {"VJ", A_VA + 9, AF_ODARK, NULL}, {"VK", A_VA + 10, AF_ODARK, NULL}, {"VL", A_VA + 11, AF_ODARK, NULL}, {"VM", A_VA + 12, AF_ODARK, NULL}, {"VN", A_VA + 13, AF_ODARK, NULL}, {"VO", A_VA + 14, AF_ODARK, NULL}, {"VP", A_VA + 15, AF_ODARK, NULL}, {"VQ", A_VA + 16, AF_ODARK, NULL}, {"VR", A_VA + 17, AF_ODARK, NULL}, {"VS", A_VA + 18, AF_ODARK, NULL}, {"VT", A_VA + 19, AF_ODARK, NULL}, {"VU", A_VA + 20, AF_ODARK, NULL}, {"VV", A_VA + 21, AF_ODARK, NULL}, {"VW", A_VA + 22, AF_ODARK, NULL}, {"VX", A_VA + 23, AF_ODARK, NULL}, {"VY", A_VA + 24, AF_ODARK, NULL}, {"VZ", A_VA + 25, AF_ODARK, NULL}, #ifdef BETA_QUOTAS {"QuotaRoom", A_QUOTAROOM, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"QuotaExit", A_QUOTAEXIT, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"QuotaThing", A_QUOTATHING, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"QuotaPlayer", A_QUOTAPLAYER, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"RquotaRoom", A_RQUOTAROOM, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"RquotaExit", A_RQUOTAEXIT, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"RquotaThing", A_RQUOTATHING, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, {"RquotaPlayer", A_RQUOTAPLAYER, AF_MDARK | AF_NOPROG | AF_GOD | AF_NOCMD, NULL}, #endif /* BETA_QUOTAS */ {"VRML_URL", A_VRML_URL, AF_ODARK, NULL }, {"HTDesc", A_HTDESC, AF_NOPROG | AF_HTML, NULL }, {"*Password", A_PASS, AF_DARK | AF_NOPROG | AF_NOCMD | AF_INTERNAL, NULL}, {"*Privileges", A_PRIVS, AF_DARK | AF_NOPROG | AF_NOCMD | AF_INTERNAL, NULL}, {"*Money", A_MONEY, AF_DARK | AF_NOPROG | AF_NOCMD | AF_INTERNAL, NULL}, {NULL, 0, 0, NULL}}; #ifndef STANDALONE /* --------------------------------------------------------------------------- * fwdlist_set, fwdlist_clr: Manage cached forwarding lists */ void fwdlist_set(thing, ifp) dbref thing; FWDLIST *ifp; { FWDLIST *fp, *xfp; int i, stat = 0; /* If fwdlist is null, clear */ if (!ifp || (ifp->count <= 0)) { fwdlist_clr(thing); return; } /* Copy input forwardlist to a correctly-sized buffer */ fp = (FWDLIST *) XMALLOC(sizeof(int) * ((ifp->count) + 1), "fwdlist_set"); for (i = 0; i < ifp->count; i++) { fp->data[i] = ifp->data[i]; } fp->count = ifp->count; /* Replace an existing forwardlist, or add a new one */ xfp = fwdlist_get(thing); if (xfp) { XFREE(xfp, "fwdlist_set"); stat = nhashrepl(thing, (int *) fp, &mudstate.fwdlist_htab); } else { stat = nhashadd(thing, (int *) fp, &mudstate.fwdlist_htab); } if (stat < 0) /* the add or replace failed */ XFREE(fp, "fwdlist_set"); } void fwdlist_clr(thing) dbref thing; { FWDLIST *xfp; /* If a forwardlist exists, delete it */ xfp = fwdlist_get(thing); if (xfp) { XFREE(xfp, "fwdlist_clr"); nhashdelete(thing, &mudstate.fwdlist_htab); } } #endif /* --------------------------------------------------------------------------- * fwdlist_load: Load text into a forwardlist. */ int fwdlist_load(fp, player, atext) FWDLIST *fp; dbref player; char *atext; { dbref target; char *tp, *bp, *dp; int count, errors, fail; count = 0; errors = 0; bp = tp = alloc_lbuf("fwdlist_load.str"); strcpy(tp, atext); do { for (; *bp && isspace(*bp); bp++); /* skip spaces */ for (dp = bp; *bp && !isspace(*bp); bp++); /* remember string */ if (*bp) *bp++ = '\0'; /* terminate string */ if ((*dp++ == '#') && isdigit(*dp)) { target = atoi(dp); #ifndef STANDALONE fail = (!Good_obj(target) || (!God(player) && !controls(player, target) && (!Link_ok(target) || !could_doit(player, target, A_LLINK)))); #else fail = !Good_obj(target); #endif if (fail) { #ifndef STANDALONE notify(player, tprintf("Cannot forward to #%d: Permission denied.", target)); #endif errors++; } else { fp->data[count++] = target; } } } while (*bp); free_lbuf(tp); fp->count = count; return errors; } /* --------------------------------------------------------------------------- * fwdlist_rewrite: Generate a text string from a FWDLIST buffer. */ int fwdlist_rewrite(fp, atext) FWDLIST *fp; char *atext; { char *tp, *bp; int i, count; if (fp && fp->count) { count = fp->count; tp = alloc_sbuf("fwdlist_rewrite.errors"); bp = atext; for (i = 0; i < fp->count; i++) { if (Good_obj(fp->data[i])) { *tp = '#'; ltos(&tp[1], fp->data[i]); safe_str(tp, atext, &bp); safe_chr(' ', atext, &bp); } else { count--; } } *bp = '\0'; free_sbuf(tp); } else { count = 0; *atext = '\0'; } return count; } /* --------------------------------------------------------------------------- * fwdlist_ck: Check a list of dbref numbers to forward to for AUDIBLE */ int fwdlist_ck(key, player, thing, anum, atext) int key, anum; dbref player, thing; char *atext; { #ifndef STANDALONE FWDLIST *fp; int count; count = 0; if (atext && *atext) { fp = (FWDLIST *) alloc_lbuf("fwdlist_ck.fp"); fwdlist_load(fp, player, atext); } else { fp = NULL; } /* Set the cached forwardlist */ fwdlist_set(thing, fp); count = fwdlist_rewrite(fp, atext); if (fp) free_lbuf(fp); return ((count > 0) || !atext || !*atext); #else return 1; #endif } FWDLIST * fwdlist_get(thing) dbref thing; { #ifdef STANDALONE dbref aowner; int aflags, errors; char *tp; static FWDLIST *fp = NULL; if (!fp) fp = (FWDLIST *) alloc_lbuf("fwdlist_get"); tp = atr_get(thing, A_FORWARDLIST, &aowner, &aflags); errors = fwdlist_load(fp, GOD, tp); free_lbuf(tp); #else FWDLIST *fp; fp = ((FWDLIST *) nhashfind(thing, &mudstate.fwdlist_htab)); #endif return fp; } static char * set_string(ptr, new) char **ptr, *new; { /* if pointer not null unalloc it */ if (*ptr) XFREE(*ptr, "set_string"); /* if new string is not null allocate space for it and copy it */ if (!new) /* || !*new */ return (*ptr = NULL); /* Check with GAC about this */ *ptr = strsave(new); return (*ptr); } /* --------------------------------------------------------------------------- * Name, s_Name: Get or set an object's name. */ INLINE char * Name(thing) dbref thing; { dbref aowner; int aflags; char *buff; static char *tbuff[LBUF_SIZE]; if (mudconf.cache_names) { if (!names[thing]) { buff = atr_get(thing, A_NAME, &aowner, &aflags); set_string(&names[thing], buff); free_lbuf(buff); } return (names[thing]); } atr_get_str((char *) tbuff, thing, A_NAME, &aowner, &aflags); return ((char *) tbuff); } INLINE void s_Name(thing, s) dbref thing; const char *s; { /* Do not allow ANSI in names. Note that this is different from * MUX and PennMUSH. */ #ifndef STANDALONE char *new_str = strip_ansi((char *) s); atr_add_raw(thing, A_NAME, new_str); if (mudconf.cache_names) { set_string(&names[thing], new_str); } #else atr_add_raw(thing, A_NAME, (char *) s); if (mudconf.cache_names) { set_string(&names[thing], s); } #endif /* ! STANDALONE */ } void s_Pass(thing, s) dbref thing; const char *s; { atr_add_raw(thing, A_PASS, (char *) s); } #ifndef STANDALONE /* --------------------------------------------------------------------------- * do_attrib: Manage user-named attributes. */ extern NAMETAB attraccess_nametab[]; void do_attribute(player, cause, key, aname, value) dbref player, cause; int key; char *aname, *value; { int success, negate, f; char *buff, *sp, *p, *q; VATTR *va; ATTR *va2; /* Look up the user-named attribute we want to play with */ buff = alloc_sbuf("do_attribute"); for (p = buff, q = aname; *q && ((p - buff) < (SBUF_SIZE - 1)); p++, q++) *p = ToLower(*q); *p = '\0'; va = (VATTR *) vattr_find(buff); if (!va) { notify(player, "No such user-named attribute."); free_sbuf(buff); return; } switch (key) { case ATTRIB_ACCESS: /* Modify access to user-named attribute */ for (sp = value; *sp; sp++) *sp = ToLower(*sp); sp = strtok(value, " "); success = 0; while (sp != NULL) { /* Check for negation */ negate = 0; if (*sp == '!') { negate = 1; sp++; } /* Set or clear the appropriate bit */ f = search_nametab(player, attraccess_nametab, sp); if (f != -1) { success = 1; if (negate) va->flags &= ~f; else va->flags |= f; } else { notify(player, tprintf("Unknown permission: %s.", sp)); } /* Get the next token */ sp = strtok(NULL, " "); } if (success && !Quiet(player)) notify(player, "Attribute access changed."); break; case ATTRIB_RENAME: /* Make sure the new name doesn't already exist */ va2 = atr_str(value); if (va2) { notify(player, "An attribute with that name already exists."); free_sbuf(buff); return; } if (vattr_rename(va->name, value) == NULL) notify(player, "Attribute rename failed."); else notify(player, "Attribute renamed."); break; case ATTRIB_DELETE: /* Remove the attribute */ vattr_delete(buff); notify(player, "Attribute deleted."); break; } free_sbuf(buff); return; } /* --------------------------------------------------------------------------- * do_fixdb: Directly edit database fields */ void do_fixdb(player, cause, key, arg1, arg2) dbref player, cause; int key; char *arg1, *arg2; { dbref thing, res; init_match(player, arg1, NOTYPE); match_everything(0); thing = noisy_match_result(); if (thing == NOTHING) return; res = NOTHING; switch (key) { case FIXDB_OWNER: case FIXDB_LOC: case FIXDB_CON: case FIXDB_EXITS: case FIXDB_NEXT: init_match(player, arg2, NOTYPE); match_everything(0); res = noisy_match_result(); break; case FIXDB_PENNIES: res = atoi(arg2); break; } switch (key) { case FIXDB_OWNER: s_Owner(thing, res); if (!Quiet(player)) notify(player, tprintf("Owner set to #%d", res)); break; case FIXDB_LOC: s_Location(thing, res); if (!Quiet(player)) notify(player, tprintf("Location set to #%d", res)); break; case FIXDB_CON: s_Contents(thing, res); if (!Quiet(player)) notify(player, tprintf("Contents set to #%d", res)); break; case FIXDB_EXITS: s_Exits(thing, res); if (!Quiet(player)) notify(player, tprintf("Exits set to #%d", res)); break; case FIXDB_NEXT: s_Next(thing, res); if (!Quiet(player)) notify(player, tprintf("Next set to #%d", res)); break; case FIXDB_PENNIES: s_Pennies(thing, res); if (!Quiet(player)) notify(player, tprintf("Pennies set to %d", res)); break; case FIXDB_NAME: if (isPlayer(thing)) { if (!ok_player_name(arg2)) { notify(player, "That's not a good name for a player."); return; } if (lookup_player(NOTHING, arg2, 0) != NOTHING) { notify(player, "That name is already in use."); return; } STARTLOG(LOG_SECURITY, "SEC", "CNAME") log_name(thing), log_text((char *) " renamed to "); log_text(arg2); ENDLOG if (Suspect(player)) { raw_broadcast(WIZARD, "[Suspect] %s renamed to %s", Name(thing), arg2); } delete_player_name(thing, Name(thing)); s_Name(thing, arg2); add_player_name(thing, arg2); } else { if (!ok_name(arg2)) { notify(player, "Warning: That is not a reasonable name."); } s_Name(thing, arg2); } if (!Quiet(player)) notify(player, tprintf("Name set to %s", arg2)); break; } } /* --------------------------------------------------------------------------- * atr_str: Look up an attribute by name. */ ATTR * atr_str(s) char *s; { char *buff, *p, *q; ATTR *a; VATTR *va; static ATTR tattr; /* Convert the buffer name to lowercase */ buff = alloc_sbuf("atr_str"); for (p = buff, q = s; *q && ((p - buff) < (SBUF_SIZE - 1)); p++, q++) *p = ToLower(*q); *p = '\0'; /* Look for a predefined attribute */ a = (ATTR *) hashfind(buff, &mudstate.attr_name_htab); if (a != NULL) { free_sbuf(buff); return a; } /* Nope, look for a user attribute */ va = (VATTR *) vattr_find(buff); free_sbuf(buff); /* If we got one, load tattr and return a pointer to it. */ if (va != NULL) { tattr.name = va->name; tattr.number = va->number; tattr.flags = va->flags; tattr.check = NULL; return &tattr; } /* All failed, return NULL */ return NULL; } #else /* STANDALONE */ /* We don't have the hash tables, do it by hand */ /* --------------------------------------------------------------------------- * atr_str: Look up an attribute by name. */ ATTR * atr_str(s) char *s; { ATTR *ap; VATTR *va; static ATTR tattr; /* Check for an exact match on a predefined attribute */ for (ap = attr; ap->name; ap++) { if (!string_compare(ap->name, s)) return ap; } /* Check for an exact match on a user-named attribute */ va = (VATTR *) vattr_find(s); if (va != NULL) { /* Got it */ tattr.name = va->name; tattr.number = va->number; tattr.flags = va->flags; tattr.check = NULL; return &tattr; } /* No exact match, try for a prefix match on predefined attribs. * Check for both longer versions and shorter versions. */ for (ap = attr; ap->name; ap++) { if (string_prefix(s, ap->name)) return ap; if (string_prefix(ap->name, s)) return ap; } return NULL; } #endif /* STANDALONE */ /* --------------------------------------------------------------------------- * init_attrtab: Initialize the attribute hash tables. */ void NDECL(init_attrtab) { ATTR *a; char *buff; #ifndef STANDALONE register char *p, *q; hashinit(&mudstate.attr_name_htab, 47); #endif buff = alloc_sbuf("init_attrtab"); for (a = attr; a->number; a++) { anum_extend(a->number); anum_set(a->number, a); #ifndef STANDALONE for (p = buff, q = (char *) a->name; *q; p++, q++) *p = ToLower(*q); *p = '\0'; hashadd(buff, (int *) a, &mudstate.attr_name_htab); #endif } free_sbuf(buff); } /* --------------------------------------------------------------------------- * anum_extend: Grow the attr num lookup table. */ ATTR **anum_table = NULL; int anum_alc_top = 0; void anum_extend(newtop) int newtop; { ATTR **anum_table2; int delta, i; #ifndef STANDALONE delta = mudconf.init_size; #else delta = 1000; #endif if (newtop <= anum_alc_top) return; if (newtop < anum_alc_top + delta) newtop = anum_alc_top + delta; if (anum_table == NULL) { anum_table = (ATTR **) XMALLOC((newtop + 1) * sizeof(ATTR *), "anum_extend.1"); for (i = 0; i <= newtop; i++) anum_table[i] = NULL; } else { anum_table2 = (ATTR **) XMALLOC((newtop + 1) * sizeof(ATTR *), "anum_extend.2"); for (i = 0; i <= anum_alc_top; i++) anum_table2[i] = anum_table[i]; for (i = anum_alc_top + 1; i <= newtop; i++) anum_table2[i] = NULL; XFREE((char *) anum_table, "anum_extend.3"); anum_table = anum_table2; } anum_alc_top = newtop; } /* --------------------------------------------------------------------------- * atr_num: Look up an attribute by number. */ ATTR * atr_num(anum) int anum; { VATTR *va; static ATTR tattr; /* Look for a predefined attribute */ if (anum < A_USER_START) return anum_get(anum); if (anum >= anum_alc_top) return NULL; /* It's a user-defined attribute, we need to copy data */ va = (VATTR *) anum_get(anum); if (va != NULL) { tattr.name = va->name; tattr.number = va->number; tattr.flags = va->flags; tattr.check = NULL; return &tattr; } /* All failed, return NULL */ return NULL; } /* --------------------------------------------------------------------------- * mkattr: Lookup attribute by name, creating if needed. */ int mkattr(buff) char *buff; { ATTR *ap; VATTR *va; if (!(ap = atr_str(buff))) { /* Unknown attr, create a new one */ va = vattr_alloc(buff, mudconf.vattr_flags); if (!va || !(va->number)) return -1; return va->number; } if (!(ap->number)) return -1; return ap->number; } /* --------------------------------------------------------------------------- * al_decode: Fetch an attribute number from an alist. */ static int al_decode(app) char **app; { int atrnum = 0, anum, atrshft = 0; char *ap; ap = *app; for (;;) { anum = ((*ap) & 0x7f); if (atrshft > 0) atrnum += (anum << atrshft); else atrnum = anum; if (!(*ap++ & 0x80)) { *app = ap; return atrnum; } atrshft += 7; } /*NOTREACHED*/ } /* --------------------------------------------------------------------------- * al_code: Store an attribute number in an alist. */ static void al_code(app, atrnum) char **app; int atrnum; { char *ap; ap = *app; for (;;) { *ap = atrnum & 0x7f; atrnum = atrnum >> 7; if (!atrnum) { *app = ++ap; return; } *ap++ |= 0x80; } } /* --------------------------------------------------------------------------- * Commer: check if an object has any $-commands in its attributes. */ int Commer(thing) dbref thing; { char *s, *as, c; int attr, aflags; dbref aowner; ATTR *ap; atr_push(); for (attr = atr_head(thing, &as); attr; attr = atr_next(&as)) { ap = atr_num(attr); if (!ap || (ap->flags & AF_NOPROG)) continue; s = atr_get(thing, attr, &aowner, &aflags); c = *s; free_lbuf(s); if ((c == '$') && !(aflags & AF_NOPROG)) { atr_pop(); return 1; } } atr_pop(); return 0; } /* routines to handle object attribute lists */ /* --------------------------------------------------------------------------- * al_size, al_fetch, al_store, al_add, al_delete: Manipulate attribute lists */ /* al_extend: Get more space for attributes, if needed */ void al_extend(buffer, bufsiz, len, copy) char **buffer; int *bufsiz, len, copy; { char *tbuff; if (len > *bufsiz) { *bufsiz = len + ATR_BUF_CHUNK; tbuff = XMALLOC(*bufsiz, "al_extend"); if (*buffer) { if (copy) bcopy(*buffer, tbuff, len); XFREE(*buffer, "al_extend"); } *buffer = tbuff; } } /* al_size: Return length of attribute list in chars */ int al_size(astr) char *astr; { if (!astr) return 0; return (strlen(astr) + 1); } /* al_store: Write modified attribute list */ void NDECL(al_store) { if (mudstate.mod_al_id != NOTHING) { if (mudstate.mod_alist && *mudstate.mod_alist) { atr_add_raw(mudstate.mod_al_id, A_LIST, mudstate.mod_alist); } else { atr_clr(mudstate.mod_al_id, A_LIST); } } mudstate.mod_al_id = NOTHING; } /* al_fetch: Load attribute list */ char * al_fetch(thing) dbref thing; { char *astr; int len; /* We only need fetch if we change things */ if (mudstate.mod_al_id == thing) return mudstate.mod_alist; /* Save old list, then fetch and set up the attribute list */ al_store(); astr = atr_get_raw(thing, A_LIST); if (astr) { len = al_size(astr); al_extend(&mudstate.mod_alist, &mudstate.mod_size, len, 0); bcopy((char *) astr, (char *) mudstate.mod_alist, len); } else { al_extend(&mudstate.mod_alist, &mudstate.mod_size, 1, 0); *mudstate.mod_alist = '\0'; } mudstate.mod_al_id = thing; return mudstate.mod_alist; } /* al_add: Add an attribute to an attribute list */ void al_add(thing, attrnum) dbref thing; int attrnum; { char *abuf, *cp; int anum; /* If trying to modify List attrib, return. Otherwise, get the * attribute list. */ if (attrnum == A_LIST) return; abuf = al_fetch(thing); /* See if attr is in the list. If so, exit (need not do anything) */ cp = abuf; while (*cp) { anum = al_decode(&cp); if (anum == attrnum) return; } /* Nope, extend it */ al_extend(&mudstate.mod_alist, &mudstate.mod_size, (cp - abuf + ATR_BUF_INCR), 1); if (mudstate.mod_alist != abuf) { /* extend returned different buffer, re-find the end */ abuf = mudstate.mod_alist; for (cp = abuf; *cp; anum = al_decode(&cp)); } /* Add the new attribute on to the end */ al_code(&cp, attrnum); *cp = '\0'; return; } /* al_delete: Remove an attribute from an attribute list */ void al_delete(thing, attrnum) dbref thing; int attrnum; { int anum; char *abuf, *cp, *dp; /* If trying to modify List attrib, return. Otherwise, get the * attribute list. */ if (attrnum == A_LIST) return; abuf = al_fetch(thing); if (!abuf) return; cp = abuf; while (*cp) { dp = cp; anum = al_decode(&cp); if (anum == attrnum) { while (*cp) { anum = al_decode(&cp); al_code(&dp, anum); } *dp = '\0'; return; } } return; } INLINE static void makekey(thing, atr, abuff) dbref thing; int atr; Aname *abuff; { abuff->object = thing; abuff->attrnum = atr; return; } /* --------------------------------------------------------------------------- * al_destroy: wipe out an object's attribute list. */ void al_destroy(thing) dbref thing; { if (mudstate.mod_al_id == thing) al_store(); /* remove from cache */ atr_clr(thing, A_LIST); } /* --------------------------------------------------------------------------- * atr_encode: Encode an attribute string. */ static char * atr_encode(iattr, thing, owner, flags, atr) char *iattr; dbref thing, owner; int flags, atr; { /* If using the default owner and flags (almost all attributes will), * just store the string. */ if (((owner == Owner(thing)) || (owner == NOTHING)) && !flags) return iattr; /* Encode owner and flags into the attribute text */ if (owner == NOTHING) owner = Owner(thing); return tprintf("%c%d:%d:%s", ATR_INFO_CHAR, owner, flags, iattr); } #ifdef IN_MEM_COMPRESSION /* --------------------------------------------------------------------------- * atr_get_raw_decode: Get an attribute string out of the DB, decompress and * decode it in one shot. Since the decompression involves a copy, and we * normally do decode/copy immediately after fetching the attribute, this is * used to roll the two operations together. */ static int atr_get_raw_decode(thing, oattr, owner, flags, atr) dbref thing; char *oattr; dbref *owner; int *flags, atr; { Attr *a; Aname okey; char *cp; int neg; int len; if (atr == A_LIST) { /* This is not supposed to be compressed! */ abort(); } makekey(thing, atr, &okey); a = FETCH(&okey); /* We now have a compressed attribute, decompress it into oattr */ /* and decode it. */ if (!a) { *owner = Owner(thing); *flags = 0; if (oattr) { *oattr = '\0'; } return 0; } if (oattr == NULL) { len = string_decompress(a, decomp_buff); cp = decomp_buff; } else { len = string_decompress(a, oattr); cp = oattr; } if (*cp == ATR_INFO_CHAR) { /* Get the attribute owner */ cp++; /* Skip magic character */ *owner = 0; neg = 0; if (*cp == '-') { neg = 1; cp++; } while (isdigit(*cp)) { *owner = (*owner * 10) + (*cp++ - '0'); } if (neg) *owner = 0 - *owner; /* If delimiter is not ':', just return attribute */ if (*cp++ != ':') { *owner = Owner(thing); *flags = 0; return 1; } /* Get the attribute flags */ *flags = 0; while (isdigit(*cp)) { *flags = (*flags * 10) + (*cp++ - '0'); } /* If delimiter is not ':', just return attribute */ if (*cp++ != ':') { *owner = Owner(thing); *flags = 0; return 1; } /* Get the attribute text */ if (oattr != NULL) bcopy(cp, oattr, len - (cp - oattr)); if (*owner == NOTHING) *owner = Owner(thing); } else { /* Not the special character, return normal info */ *owner = Owner(thing); *flags = 0; } return 1; } #endif /* IN_MEM_COMPRESSION */ /* --------------------------------------------------------------------------- * atr_decode: Decode an attribute string. */ static void atr_decode(iattr, oattr, thing, owner, flags, atr) char *iattr, *oattr; dbref thing, *owner; int *flags, atr; { char *cp; int neg; /* See if the first char of the attribute is the special character */ if (*iattr == ATR_INFO_CHAR) { /* It is, crack the attr apart */ cp = &iattr[1]; /* Get the attribute owner */ *owner = 0; neg = 0; if (*cp == '-') { neg = 1; cp++; } while (isdigit(*cp)) { *owner = (*owner * 10) + (*cp++ - '0'); } if (neg) *owner = 0 - *owner; /* If delimiter is not ':', just return attribute */ if (*cp++ != ':') { *owner = Owner(thing); *flags = 0; if (oattr) strcpy(oattr, iattr); return; } /* Get the attribute flags */ *flags = 0; while (isdigit(*cp)) { *flags = (*flags * 10) + (*cp++ - '0'); } /* If delimiter is not ':', just return attribute */ if (*cp++ != ':') { *owner = Owner(thing); *flags = 0; if (oattr) strcpy(oattr, iattr); } /* Get the attribute text */ if (oattr) strcpy(oattr, cp); if (*owner == NOTHING) *owner = Owner(thing); } else { /* Not the special character, return normal info */ *owner = Owner(thing); *flags = 0; if (oattr) strcpy(oattr, iattr); } } /* --------------------------------------------------------------------------- * atr_clr: clear an attribute in the list. */ void atr_clr(thing, atr) dbref thing; int atr; { Aname okey; makekey(thing, atr, &okey); DELETE(&okey); al_delete(thing, atr); switch (atr) { case A_STARTUP: s_Flags(thing, Flags(thing) & ~HAS_STARTUP); break; case A_FORWARDLIST: s_Flags2(thing, Flags2(thing) & ~HAS_FWDLIST); break; case A_LISTEN: s_Flags2(thing, Flags2(thing) & ~HAS_LISTEN); break; #ifndef STANDALONE case A_TIMEOUT: desc_reload(thing); break; case A_QUEUEMAX: pcache_reload(thing); break; #endif } } /* --------------------------------------------------------------------------- * atr_add_raw, atr_add: add attribute of type atr to list */ void atr_add_raw(thing, atr, buff) dbref thing; int atr; char *buff; { Attr *a; Aname okey; #ifdef IN_MEM_COMPRESSION int len; #endif makekey(thing, atr, &okey); if (!buff || !*buff) { DELETE(&okey); al_delete(thing, atr); return; } #ifdef IN_MEM_COMPRESSION /* A_LIST is never compressed */ if (atr == A_LIST) { if (!(a = (Attr *) XMALLOC(strlen(buff) + 1, "atr_add_raw"))) { return; } strcpy(a, buff); len = strlen(a) + 1; } else { /* It's not an A_LIST, so compress it into a buffer and store that */ len = string_compress(buff, compress_buff); if (!(a = (Attr *) XMALLOC(len, "atr_add_raw"))) { return; } bcopy(compress_buff, a, len); al_add(thing, atr); } STORE(&okey, a, len); #else /* Not IN_MEM_COMPRESSION*/ if (!(a = (Attr *) XMALLOC(strlen(buff) + 1, "atr_add_raw"))) { return; } strcpy(a, buff); STORE(&okey, a); al_add(thing, atr); #endif /*IN_MEM_COMPRESSION */ switch (atr) { case A_STARTUP: s_Flags(thing, Flags(thing) | HAS_STARTUP); break; case A_FORWARDLIST: s_Flags2(thing, Flags2(thing) | HAS_FWDLIST); break; case A_LISTEN: s_Flags2(thing, Flags2(thing) | HAS_LISTEN); break; #ifndef STANDALONE case A_TIMEOUT: desc_reload(thing); break; case A_QUEUEMAX: pcache_reload(thing); break; #endif } } void atr_add(thing, atr, buff, owner, flags) dbref thing, owner; int atr, flags; char *buff; { char *tbuff; if (!buff || !*buff) { atr_clr(thing, atr); } else { tbuff = atr_encode(buff, thing, owner, flags, atr); atr_add_raw(thing, atr, tbuff); } } void atr_set_owner(thing, atr, owner) dbref thing, owner; int atr; { dbref aowner; int aflags; char *buff; buff = atr_get(thing, atr, &aowner, &aflags); atr_add(thing, atr, buff, owner, aflags); free_lbuf(buff); } void atr_set_flags(thing, atr, flags) dbref thing, flags; int atr; { dbref aowner; int aflags; char *buff; buff = atr_get(thing, atr, &aowner, &aflags); atr_add(thing, atr, buff, aowner, flags); free_lbuf(buff); } /* --------------------------------------------------------------------------- * atr_get_raw, atr_get_str, atr_get: Get an attribute from the database. */ char * atr_get_raw(thing, atr) dbref thing; int atr; { Attr *a; Aname okey; makekey(thing, atr, &okey); a = FETCH(&okey); #ifdef IN_MEM_COMPRESSION if (!a || atr == A_LIST) { return a; } (void) string_decompress(a, decomp_buff); return decomp_buff; #else return a; #endif } char * atr_get_str(s, thing, atr, owner, flags) char *s; dbref thing, *owner; int atr, *flags; { #ifdef IN_MEM_COMPRESSION (void) atr_get_raw_decode(thing, s, owner, flags, atr); #else char *buff; buff = atr_get_raw(thing, atr); if (!buff) { *owner = Owner(thing); *flags = 0; *s = '\0'; } else { atr_decode(buff, s, thing, owner, flags, atr); } #endif return s; } char * atr_get(thing, atr, owner, flags) dbref thing, *owner; int atr, *flags; { char *buff; buff = alloc_lbuf("atr_get"); return atr_get_str(buff, thing, atr, owner, flags); } int atr_get_info(thing, atr, owner, flags) dbref thing, *owner; int atr, *flags; { #ifdef IN_MEM_COMPRESSION int retval; retval = atr_get_raw_decode(thing, NULL, owner, flags, atr); return retval; #else char *buff; buff = atr_get_raw(thing, atr); if (!buff) { *owner = Owner(thing); *flags = 0; return 0; } atr_decode(buff, NULL, thing, owner, flags, atr); return 1; #endif /* IN_MEM_COMPRESSION */ } #ifndef STANDALONE char * atr_pget_str(s, thing, atr, owner, flags) char *s; dbref thing, *owner; int atr, *flags; { char *buff; dbref parent; int lev; #ifdef IN_MEM_COMPRESSION int retval; #endif ATTR *ap; ITER_PARENTS(thing, parent, lev) { #ifdef IN_MEM_COMPRESSION retval = atr_get_raw_decode(parent, s, owner, flags, atr); if (retval && ((lev == 0) || !(*flags & AF_PRIVATE))) { return s; } #else buff = atr_get_raw(parent, atr); if (buff && *buff) { atr_decode(buff, s, thing, owner, flags, atr); if ((lev == 0) || !(*flags & AF_PRIVATE)) return s; } #endif /* IN_MEM_COMPRESSION */ if ((lev == 0) && Good_obj(Parent(parent))) { ap = atr_num(atr); if (!ap || ap->flags & AF_PRIVATE) break; } } *owner = Owner(thing); *flags = 0; *s = '\0'; return s; } char * atr_pget(thing, atr, owner, flags) dbref thing, *owner; int atr, *flags; { char *buff; buff = alloc_lbuf("atr_get"); return atr_pget_str(buff, thing, atr, owner, flags); } int atr_pget_info(thing, atr, owner, flags) dbref thing, *owner; int atr, *flags; { char *buff; dbref parent; int lev; ATTR *ap; ITER_PARENTS(thing, parent, lev) { buff = atr_get_raw(parent, atr); if (buff && *buff) { atr_decode(buff, NULL, thing, owner, flags, atr); if ((lev == 0) || !(*flags & AF_PRIVATE)) return 1; } if ((lev == 0) && Good_obj(Parent(parent))) { ap = atr_num(atr); if (!ap || ap->flags & AF_PRIVATE) break; } } *owner = Owner(thing); *flags = 0; return 0; } #endif /* STANDALONE */ /* --------------------------------------------------------------------------- * atr_free: Return all attributes of an object. */ void atr_free(thing) dbref thing; { int attr; char *as; atr_push(); for (attr = atr_head(thing, &as); attr; attr = atr_next(&as)) { atr_clr(thing, attr); } atr_pop(); al_destroy(thing); /* Just to be on the safe side */ } /* garbage collect an attribute list */ void atr_collect(thing) dbref thing; { /* Nada. gdbm takes care of us. I hope ;-) */ } /* --------------------------------------------------------------------------- * atr_cpy: Copy all attributes from one object to another. Takes the * player argument to ensure that only attributes that COULD be set by * the player are copied. */ void atr_cpy(player, dest, source) dbref player, dest, source; { int attr, aflags; dbref owner, aowner; char *as, *buf; ATTR *at; owner = Owner(dest); atr_push(); for (attr = atr_head(source, &as); attr; attr = atr_next(&as)) { buf = atr_get(source, attr, &aowner, &aflags); if (!(aflags & AF_LOCK)) aowner = owner; /* chg owner */ at = atr_num(attr); if (attr && at) { if (Set_attr(owner, dest, at, aflags)) /* Only set attrs that owner has perm to set */ atr_add(dest, attr, buf, aowner, aflags); } free_lbuf(buf); } atr_pop(); } /* --------------------------------------------------------------------------- * atr_chown: Change the ownership of the attributes of an object to the * current owner if they are not locked. */ void atr_chown(obj) dbref obj; { int attr, aflags; dbref owner, aowner; char *as, *buf; owner = Owner(obj); atr_push(); for (attr = atr_head(obj, &as); attr; attr = atr_next(&as)) { buf = atr_get(obj, attr, &aowner, &aflags); if ((aowner != owner) && !(aflags & AF_LOCK)) atr_add(obj, attr, buf, owner, aflags); free_lbuf(buf); } atr_pop(); } /* --------------------------------------------------------------------------- * atr_next: Return next attribute in attribute list. */ int atr_next(attrp) char **attrp; { if (!*attrp || !**attrp) { return 0; } else { return al_decode(attrp); } } /* --------------------------------------------------------------------------- * atr_push, atr_pop: Push and pop attr lists. */ void NDECL(atr_push) { ALIST *new_alist; new_alist = (ALIST *) alloc_sbuf("atr_push"); new_alist->data = mudstate.iter_alist.data; new_alist->len = mudstate.iter_alist.len; new_alist->next = mudstate.iter_alist.next; mudstate.iter_alist.data = NULL; mudstate.iter_alist.len = 0; mudstate.iter_alist.next = new_alist; return; } void NDECL(atr_pop) { ALIST *old_alist; char *cp; old_alist = mudstate.iter_alist.next; if (mudstate.iter_alist.data) { free(mudstate.iter_alist.data); } if (old_alist) { mudstate.iter_alist.data = old_alist->data; mudstate.iter_alist.len = old_alist->len; mudstate.iter_alist.next = old_alist->next; cp = (char *) old_alist; free_sbuf(cp); } else { mudstate.iter_alist.data = NULL; mudstate.iter_alist.len = 0; mudstate.iter_alist.next = NULL; } return; } /* --------------------------------------------------------------------------- * atr_head: Returns the head of the attr list for object 'thing' */ int atr_head(thing, attrp) dbref thing; char **attrp; { char *astr; int alen; /* Get attribute list. Save a read if it is in the modify atr list */ if (thing == mudstate.mod_al_id) { astr = mudstate.mod_alist; } else { astr = atr_get_raw(thing, A_LIST); } alen = al_size(astr); /* If no list, return nothing */ if (!alen) return 0; /* Set up the list and return the first entry */ al_extend(&mudstate.iter_alist.data, &mudstate.iter_alist.len, alen, 0); bcopy((char *) astr, (char *) mudstate.iter_alist.data, alen); *attrp = mudstate.iter_alist.data; return atr_next(attrp); } /* --------------------------------------------------------------------------- * db_grow: Extend the struct database. */ #define SIZE_HACK 1 /* So mistaken refs to #-1 won't die. */ void db_grow(newtop) dbref newtop; { int newsize, marksize, delta, i; MARKBUF *newmarkbuf; OBJ *newdb; NAME *newnames; char *cp; #ifndef STANDALONE delta = mudconf.init_size; #else delta = 1000; #endif /* Determine what to do based on requested size, current top and * size. Make sure we grow in reasonable-sized chunks to prevent * frequent reallocations of the db array. */ /* If requested size is smaller than the current db size, ignore it */ if (newtop <= mudstate.db_top) { return; } /* If requested size is greater than the current db size but smaller * than the amount of space we have allocated, raise the db size and * initialize the new area. */ if (newtop <= mudstate.db_size) { for (i = mudstate.db_top; i < newtop; i++) { s_Flags(i, (TYPE_THING | GOING)); if (mudconf.cache_names) i_Name(i); } mudstate.db_top = newtop; return; } /* Grow by a minimum of delta objects */ if (newtop <= mudstate.db_size + delta) { newsize = mudstate.db_size + delta; } else { newsize = newtop; } /* Enforce minimumdatabase size */ if (newsize < mudstate.min_size) newsize = mudstate.min_size + delta;; /* Grow the name table */ if (mudconf.cache_names) { if (!(newnames = (NAME *) XMALLOC((newsize + SIZE_HACK) * sizeof(NAME), "db_grow.names"))) { LOG_SIMPLE(LOG_ALWAYS, "ALC", "DB", tprintf("Could not allocate space for %d item name cache.", newsize)); abort(); } bzero((char *) newnames, (newsize + SIZE_HACK) * sizeof(NAME)); if (names) { /* An old name cache exists. Copy it. */ names -= SIZE_HACK; bcopy((char *) names, (char *) newnames, (newtop + SIZE_HACK) * sizeof(NAME)); cp = (char *) names; XFREE(cp, "db_grow.name"); } else { /* Creating a brand new struct database. Fill in the * 'reserved' area in case it gets referenced. */ names = newnames; for (i = 0; i < SIZE_HACK; i++) { i_Name(i); } } names = newnames + SIZE_HACK; newnames = NULL; } /* Grow the db array */ if (!(newdb = (OBJ *) XMALLOC((newsize + SIZE_HACK) * sizeof(OBJ), "db_grow.db"))) { LOG_SIMPLE(LOG_ALWAYS, "ALC", "DB", tprintf("Could not allocate space for %d item struct database.", newsize)); abort(); } if (db) { /* An old struct database exists. Copy it to the new buffer */ db -= SIZE_HACK; bcopy((char *) db, (char *) newdb, (mudstate.db_top + SIZE_HACK) * sizeof(OBJ)); cp = (char *) db; XFREE(cp, "db_grow.db"); } else { /* Creating a brand new struct database. Fill in the * 'reserved' area in case it gets referenced. */ db = newdb; for (i = 0; i < SIZE_HACK; i++) { s_Owner(i, GOD); s_Flags(i, (TYPE_THING | GOING)); s_Location(i, NOTHING); s_Contents(i, NOTHING); s_Exits(i, NOTHING); s_Link(i, NOTHING); s_Next(i, NOTHING); s_Pennies(i, NOTHING); /* s_Zone(i, NOTHING); */ s_Parent(i, NOTHING); s_Pennies(i, 0); } } db = newdb + SIZE_HACK; newdb = NULL; for (i = mudstate.db_top; i < newtop; i++) { if (mudconf.cache_names) i_Name(i); s_Flags(i, TYPE_THING | GOING); } mudstate.db_top = newtop; mudstate.db_size = newsize; /* Grow the db mark buffer */ marksize = (newsize + 7) >> 3; newmarkbuf = (MARKBUF *) XMALLOC(marksize, "db_grow"); bzero((char *) newmarkbuf, marksize); if (mudstate.markbits) { marksize = (newtop + 7) >> 3; bcopy((char *) mudstate.markbits, (char *) newmarkbuf, marksize); cp = (char *) mudstate.markbits; XFREE(cp, "db_grow"); } mudstate.markbits = newmarkbuf; } void NDECL(db_free) { char *cp; if (db != NULL) { db -= SIZE_HACK; cp = (char *) db; XFREE(cp, "db_grow"); db = NULL; } mudstate.db_top = 0; mudstate.db_size = 0; mudstate.freelist = NOTHING; } #ifndef STANDALONE void NDECL(db_make_minimal) { dbref obj; db_free(); db_grow(1); s_Name(0, "Limbo"); s_Flags(0, TYPE_ROOM); s_Location(0, NOTHING); s_Exits(0, NOTHING); s_Link(0, NOTHING); s_Parent(0, NOTHING); /* s_Zone(0, NOTHING); */ s_Pennies(0, 1); s_Owner(0, 1); /* should be #1 */ load_player_names(); obj = create_player((char *) "Wizard", (char *) "p0trzebie", NOTHING, 0); s_Flags(obj, Flags(obj) | WIZARD); s_Pennies(obj, 1000); /* Manually link to Limbo, just in case */ s_Location(obj, 0); s_Next(obj, NOTHING); s_Contents(0, obj); s_Link(obj, 0); } #endif dbref parse_dbref(s) const char *s; { const char *p; int x; /* Enforce completely numeric dbrefs */ for (p = s; *p; p++) { if (!isdigit(*p)) return NOTHING; } x = atoi(s); return ((x >= 0) ? x : NOTHING); } void putref(f, ref) FILE *f; dbref ref; { fprintf(f, "%d\n", ref); } void putstring(f, s) FILE *f; const char *s; { if (s) { fputs(s, f); } putc('\n', f); } const char * getstring_noalloc(f) FILE *f; { static char buf[LBUF_SIZE]; char *p; int c, lastc; p = buf; c = '\0'; for (;;) { lastc = c; c = fgetc(f); /* If EOF or null, return */ if (!c || (c == EOF)) { *p = '\0'; return buf; } /* If a newline, return if prior char is not a cr. Otherwise * keep on truckin' */ if ((c == '\n') && (lastc != '\r')) { *p = '\0'; return buf; } safe_chr((char) c, buf, &p); } } dbref getref(f) FILE *f; { return (atoi(getstring_noalloc(f))); } void free_boolexp(b) BOOLEXP *b; { if (b == TRUE_BOOLEXP) return; switch (b->type) { case BOOLEXP_AND: case BOOLEXP_OR: free_boolexp(b->sub1); free_boolexp(b->sub2); free_bool(b); break; case BOOLEXP_NOT: case BOOLEXP_CARRY: case BOOLEXP_IS: case BOOLEXP_OWNER: case BOOLEXP_INDIR: free_boolexp(b->sub1); free_bool(b); break; case BOOLEXP_CONST: free_bool(b); break; case BOOLEXP_ATR: case BOOLEXP_EVAL: free((char *) b->sub1); free_bool(b); break; } } BOOLEXP * dup_bool(b) BOOLEXP *b; { BOOLEXP *r; if (b == TRUE_BOOLEXP) return (TRUE_BOOLEXP); r = alloc_bool("dup_bool"); switch (r->type = b->type) { case BOOLEXP_AND: case BOOLEXP_OR: r->sub2 = dup_bool(b->sub2); case BOOLEXP_NOT: case BOOLEXP_CARRY: case BOOLEXP_IS: case BOOLEXP_OWNER: case BOOLEXP_INDIR: r->sub1 = dup_bool(b->sub1); case BOOLEXP_CONST: r->thing = b->thing; break; case BOOLEXP_EVAL: case BOOLEXP_ATR: r->thing = b->thing; r->sub1 = (BOOLEXP *) strsave((char *) b->sub1); break; default: fprintf(stderr, "bad bool type!!\n"); return (TRUE_BOOLEXP); } return (r); } int init_gdbm_db(gdbmfile) char *gdbmfile; { #ifdef STANDALONE fprintf(stderr, "Opening %s\n", gdbmfile); #endif cache_init(mudconf.cache_width, mudconf.cache_depth); dddb_setfile(gdbmfile); dddb_init(); #ifdef STANDALONE fprintf(stderr, "Done opening %s.\n", gdbmfile); #else STARTLOG(LOG_ALWAYS, "INI", "LOAD") log_text((char *) "Using gdbm file: "); log_text(gdbmfile); ENDLOG #endif db_free(); vattr_init(); return (0); } /* --------------------------------------------------------------------------- * Restart database stuff. */ #ifndef STANDALONE void dump_restart_db() { FILE *f; DESC *d; int version = 0; /* We maintain a version number for the restart database, * so we can restart even if the format of the restart db * has been changed in the new executable. */ f = fopen("restart.db", "w"); fprintf(f, "+V%d\n", version); putref(f, sock); putref(f, mudstate.start_time); putref(f, mudstate.reboot_nums); putstring(f, mudstate.doing_hdr); DESC_ITER_ALL(d) { putref(f, d->descriptor); putref(f, d->flags); putref(f, d->connected_at); putref(f, d->command_count); putref(f, d->timeout); putref(f, d->host_info); putref(f, d->player); putref(f, d->last_time); putstring(f, d->output_prefix); putstring(f, d->output_suffix); putstring(f, d->addr); putstring(f, d->doing); } putref(f, 0); fclose(f); } void load_restart_db() { FILE *f; DESC *d; DESC *p; int val, version; char *temp, buf[8]; f = fopen("restart.db", "r"); if (!f) { mudstate.restarting = 0; return; } mudstate.restarting = 1; fgets(buf, 3, f); if (strncmp(buf, "+V", 2)) { abort(); } version = getref(f); sock = getref(f); maxd = sock + 1; mudstate.start_time = getref(f); mudstate.reboot_nums = getref(f) + 1; strcpy(mudstate.doing_hdr, getstring_noalloc(f)); while ((val = getref(f)) != 0) { ndescriptors++; d = alloc_desc("restart"); d->descriptor = val; d->flags = getref(f); d->connected_at = getref(f); d->command_count = getref(f); d->timeout = getref(f); d->host_info = getref(f); d->player = getref(f); d->last_time = getref(f); temp = (char *) getstring_noalloc(f); if (*temp) { d->output_prefix = alloc_lbuf("set_userstring"); strcpy(d->output_prefix, temp); } else { d->output_prefix = NULL; } temp = (char *) getstring_noalloc(f); if (*temp) { d->output_suffix = alloc_lbuf("set_userstring"); strcpy(d->output_suffix, temp); } else { d->output_suffix = NULL; } strcpy(d->addr, getstring_noalloc(f)); strcpy(d->doing, getstring_noalloc(f)); d->output_size = 0; d->output_tot = 0; d->output_lost = 0; d->output_head = NULL; d->output_tail = NULL; d->input_head = NULL; d->input_tail = NULL; d->input_size = 0; d->input_tot = 0; d->input_lost = 0; d->raw_input = NULL; d->raw_input_at = NULL; d->quota = mudconf.cmd_quota_max; d->program_data = NULL; d->hashnext = NULL; if (descriptor_list) { for (p = descriptor_list; p->next; p = p->next) ; d->prev = &p->next; p->next = d; d->next = NULL; } else { d->next = descriptor_list; d->prev = &descriptor_list; descriptor_list = d; } if (d->descriptor >= maxd) maxd = d->descriptor + 1; desc_addhash(d); if (isPlayer(d->player)) s_Flags2(d->player, Flags2(d->player) | CONNECTED); } DESC_ITER_CONN(d) { if (!isPlayer(d->player)) { shutdownsock(d, R_QUIT); } } fclose(f); remove("restart.db"); raw_broadcast(0, "Game: Restart finished."); } #endif /* STANDALONE */