/*************************************************************************** * Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, * * Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. * * * * Merc Diku Mud improvments copyright (C) 1992, 1993 by Michael * * Chastain, Michael Quan, and Mitchell Tse. * * * * In order to use any part of this Merc Diku Mud, you must comply with * * both the original Diku license in 'license.doc' as well the Merc * * license in 'license.txt'. In particular, you may not remove either of * * these copyright notices. * * * * Thanks to abaddon for proof-reading our comm.c and pointing out bugs. * * Any remaining bugs are, of course, our work, not his. :) * * * * Much time and thought has gone into this software and you are * * benefitting. We hope that you share your changes too. What goes * * around, comes around. * ***************************************************************************/ /*************************************************************************** * ROM 2.4 is copyright 1993-1996 Russ Taylor * * ROM has been brought to you by the ROM consortium * * Russ Taylor (rtaylor@efn.org) * * Gabrielle Taylor * * Brian Moore (zump@rom.org) * * By using this code, you have agreed to follow the terms of the * * ROM license, in the file Rom24/doc/rom.license * ***************************************************************************/ /* * This file contains all of the OS-dependent stuff: * startup, signals, BSD sockets for tcp/ip, i/o, timing. * * The data flow for input is: * Game_loop ---> Read_from_descriptor ---> Read * Game_loop ---> Read_from_buffer * * The data flow for output is: * Game_loop ---> Process_Output ---> Write_to_descriptor -> Write * * The OS-dependent functions are Read_from_descriptor and Write_to_descriptor. * -- Furey 26 Jan 1993 */ #include <sys/types.h> #include <sys/time.h> #include <sys/socket.h> #include <netinet/in.h> #include <ctype.h> #include <errno.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <time.h> #include <stdarg.h> #include <unistd.h> #include <malloc.h> #include <signal.h> #include <fcntl.h> #include <netdb.h> /* #include "struct.h" #include "extern.h" */ #include "merc.h" #include "utils.h" #include "telnet.h" #include "recycle.h" #include "tables.h" #include "utils.h" /* command procedures needed */ DECLARE_DO_FUN(do_help); DECLARE_DO_FUN(do_look); DECLARE_DO_FUN(do_skills); DECLARE_DO_FUN(do_spells); DECLARE_DO_FUN(do_outfit); DECLARE_DO_FUN(do_unread); DECLARE_DO_FUN(do_asave); DECLARE_DO_FUN(do_echo); DECLARE_DO_FUN(do_replay); DECLARE_DO_FUN(do_quit); /* * Malloc debugging stuff. */ extern int malloc_debug args((int)); extern int malloc_verify args((void)); /* * Socket and TCP/IP stuff. */ extern const char echo_off_str[]; extern const char echo_on_str[]; extern const char go_ahead_str[]; /* * OS-dependent declarations. */ int select args((int width, fd_set * readfds, fd_set * writefds, fd_set * exceptfds, struct timeval * timeout)); int socket args((int domain, int type, int protocol)); /* * Global variables. */ DESCRIPTOR_DATA *descriptor_list; /* All open descriptors */ DESCRIPTOR_DATA *d_next; /* Next descriptor in loop */ FILE *fpReserve; /* Reserved file handle */ bool god; /* All new chars are gods! */ bool merc_down; /* Shutdown */ extern bool wizlock; /* Game is wizlocked */ extern bool newlock; /* Game is newlocked */ char str_boot_time[MAX_INPUT_LENGTH]; time_t current_time; /* time of this pulse */ bool MOBtrigger = TRUE; /* act() switch */ /* Needs to be global because of do_copyover */ int port, control; int main(int argc, char **argv) { struct timeval now_time; bool fCopyOver = FALSE; /* * Memory debugging if needed. */ #if defined(MALLOC_DEBUG) malloc_debug(2); #endif #ifdef DEBUG setbuf(stdout, NULL); #endif /* * Init time. */ gettimeofday(&now_time, NULL); current_time = (time_t) now_time.tv_sec; strcpy(str_boot_time, ctime(¤t_time)); /* * Reserve one channel for our use. */ if ((fpReserve = fopen(NULL_FILE, "r")) == NULL) { perror(NULL_FILE); exit(1); } /* * Get the port number. !!! IMPORTANT !!! */ port = 1538; if (argc > 1) { if (!is_number(argv[1])) { fprintf(stderr, "Usage: %s [port #]\n", argv[0]); exit(1); } else if ((port = atoi(argv[1])) <= 1024) { fprintf(stderr, "Port number must be above 1024.\n"); exit(1); } /* Are we recovering from a copyover? */ if (argv[2] && argv[2][0]) { fCopyOver = TRUE; control = atoi(argv[3]); } else fCopyOver = FALSE; } /* * Run the game. */ if (!fCopyOver) control = init_socket(port); boot_db(); turf_load(); cbank_load(); sprintf(log_buf, "ROM is ready to rock on port %d.", port); log_string(log_buf); if (fCopyOver) copyover_recover(); game_loop_unix(control); close(control); /* * That's all, folks. */ log_string("Normal termination of game."); exit(0); return 0; } int init_socket(int port) { static struct sockaddr_in sa_zero; struct sockaddr_in sa; int x = 1; int fd; if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { perror("Init_socket: socket"); exit(1); } if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &x, sizeof(x)) < 0) { perror("Init_socket: SO_REUSEADDR"); close(fd); exit(1); } #if defined(SO_DONTLINGER) && !defined(SYSV) { struct linger ld; ld.l_onoff = 1; ld.l_linger = 1000; if (setsockopt(fd, SOL_SOCKET, SO_DONTLINGER, (char *) &ld, sizeof(ld)) < 0) { perror("Init_socket: SO_DONTLINGER"); close(fd); exit(1); } } #endif sa = sa_zero; sa.sin_family = AF_INET; sa.sin_port = htons(port); if (bind(fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) { perror("Init socket: bind"); close(fd); exit(1); } if (listen(fd, 3) < 0) { perror("Init socket: listen"); close(fd); exit(1); } return fd; } void game_loop_unix(int control) { static struct timeval null_time; struct timeval last_time; bool color; signal(SIGPIPE, SIG_IGN); gettimeofday(&last_time, NULL); current_time = (time_t) last_time.tv_sec; color = TRUE; /* Main loop */ while (!merc_down) { fd_set in_set; fd_set out_set; fd_set exc_set; DESCRIPTOR_DATA *d; int maxdesc; #if defined(MALLOC_DEBUG) if (malloc_verify() != 1) abort(); #endif /* * Poll all active descriptors. */ FD_ZERO(&in_set); FD_ZERO(&out_set); FD_ZERO(&exc_set); FD_SET(control, &in_set); maxdesc = control; for (d = descriptor_list; d; d = d->next) { maxdesc = UMAX(maxdesc, d->descriptor); FD_SET(d->descriptor, &in_set); FD_SET(d->descriptor, &out_set); FD_SET(d->descriptor, &exc_set); } if (select(maxdesc + 1, &in_set, &out_set, &exc_set, &null_time) < 0) { perror("Game_loop: select: poll"); exit(1); } /* * New connection? */ if (FD_ISSET(control, &in_set)) init_descriptor(control); /* * Kick out the freaky folks. */ for (d = descriptor_list; d != NULL; d = d_next) { d_next = d->next; if (FD_ISSET(d->descriptor, &exc_set)) { FD_CLR(d->descriptor, &in_set); FD_CLR(d->descriptor, &out_set); if (d->character && d->connected == CON_PLAYING) save_char_obj(d->character); d->outtop = 0; close_socket(d); } } /* * Process input. */ for (d = descriptor_list; d != NULL; d = d_next) { d_next = d->next; d->fcommand = FALSE; if (FD_ISSET(d->descriptor, &in_set)) { if (d->character != NULL) { d->character->timer = 0; if (IS_SET(d->character->act, PLR_COLOUR)) color = TRUE; else color = TRUE; } else color = TRUE; if (!read_from_descriptor(d, color)) { FD_CLR(d->descriptor, &out_set); if (d->character != NULL && d->character->level > 1) save_char_obj(d->character); d->outtop = 0; close_socket(d); continue; } } if (d->character != NULL && d->character->daze > 0) --d->character->daze; if (d->character != NULL && d->character->wait > 0) { --d->character->wait; continue; } read_from_buffer(d, color); if (d->incomm[0] != '\0') { d->fcommand = TRUE; stop_idling(d->character); /* OLC */ if (d->showstr_point) show_string(d, d->incomm); else if (d->pString) string_add(d->character, d->incomm); else switch (d->connected) { case CON_PLAYING: if (!run_olc_editor(d)) substitute_alias(d, d->incomm); break; default: nanny(d, d->incomm); break; } d->incomm[0] = '\0'; } } /* * Autonomous game motion. */ update_handler(); /* * Output. */ for (d = descriptor_list; d != NULL; d = d_next) { d_next = d->next; if ((d->fcommand || d->outtop > 0) && FD_ISSET(d->descriptor, &out_set)) { if (!process_output(d, TRUE)) { if (d->character != NULL && d->connected == CON_PLAYING) save_char_obj(d->character); d->outtop = 0; close_socket(d); } } } /* * Synchronize to a clock. * Sleep( last_time + 1/PULSE_PER_SECOND - now ). * Careful here of signed versus unsigned arithmetic. */ { struct timeval now_time; long secDelta; long usecDelta; gettimeofday(&now_time, NULL); usecDelta = ((int) last_time.tv_usec) - ((int) now_time.tv_usec) + 1000000 / PULSE_PER_SECOND; secDelta = ((int) last_time.tv_sec) - ((int) now_time.tv_sec); while (usecDelta < 0) { usecDelta += 1000000; secDelta -= 1; } while (usecDelta >= 1000000) { usecDelta -= 1000000; secDelta += 1; } if (secDelta > 0 || (secDelta == 0 && usecDelta > 0)) { struct timeval stall_time; stall_time.tv_usec = usecDelta; stall_time.tv_sec = secDelta; if (select(0, NULL, NULL, NULL, &stall_time) < 0) { perror("Game_loop: select: stall"); exit(1); } } } gettimeofday(&last_time, NULL); current_time = (time_t) last_time.tv_sec; } return; } void init_descriptor(int control) { char buf[MAX_STRING_LENGTH]; DESCRIPTOR_DATA *dnew; struct sockaddr_in sock; struct hostent *from; int desc; int size; int addr; bool color; size = sizeof(sock); getsockname(control, (struct sockaddr *) &sock, &size); if ((desc = accept(control, (struct sockaddr *) &sock, &size)) < 0) { perror("New_descriptor: accept"); return; } #if !defined(FNDELAY) #define FNDELAY O_NDELAY #endif if (fcntl(desc, F_SETFL, FNDELAY) == -1) { perror("New_descriptor: fcntl: FNDELAY"); return; } /* * Cons a new descriptor. */ dnew = new_descriptor(); dnew->descriptor = desc; dnew->connected = CON_ASK_IF_COLOUR; dnew->showstr_head = NULL; dnew->showstr_point = NULL; dnew->outsize = 2000; dnew->pEdit = NULL; /* OLC */ dnew->pString = NULL; /* OLC */ dnew->editor = 0; /* OLC */ dnew->outbuf = alloc_mem(dnew->outsize); size = sizeof(sock); if (dnew->pEdit == NULL) { perror ("New_descriptor: getpeername"); addr = ntohl(sock.sin_addr.s_addr); sprintf(buf, "%d.%d.%d.%d", (addr >> 24) & 0xFF, (addr >> 16) & 0xFF, (addr >> 8) & 0xFF, (addr) & 0xFF); sprintf(log_buf, "Sock.sinaddr: %s", buf); log_string(log_buf); from = gethostbyaddr ((char *) &sock.sin_addr, sizeof (sock.sin_addr), AF_INET); dnew->host = str_dup (from ? from->h_name : buf); //dnew->host = str_dup(buf); //dnew->host = str_dup ("(unknown)"); } else if (getpeername (desc, (struct sockaddr *) &sock, &size) < 0) { int addr; addr = ntohl (sock.sin_addr.s_addr); sprintf (buf, "%d.%d.%d.%d", (addr >> 24) & 0xFF, (addr >> 16) & 0xFF, (addr >> 8) & 0xFF, (addr) & 0xFF); sprintf (log_buf, "Sock.sinaddr: %s", buf); log_string (log_buf); from = gethostbyaddr ((char *) &sock.sin_addr, sizeof (sock.sin_addr), AF_INET); dnew->host = str_dup (from ? from->h_name : buf); } /* * Swiftest: I added the following to ban sites. I don't * endorse banning of sites, but Copper has few descriptors now * and some people from certain sites keep abusing access by * using automated 'autodialers' and leaving connections hanging. * * Furey: added suffix check by request of Nickel of HiddenWorlds. */ if (check_ban(dnew->host, BAN_ALL)) { color = FALSE; write_to_descriptor(desc, "Your site has been banned from this mud.\n\r", 0, color); close(desc); free_descriptor(dnew); return; } /* * Init descriptor data. */ dnew->next = descriptor_list; descriptor_list = dnew; write_to_buffer(dnew, "Alanthia awaits you...\n\r", 0); write_to_buffer(dnew, "Use ANSI Color? (Y/n) ", 0); /* * Send the greeting. */ return; } void close_socket(DESCRIPTOR_DATA * dclose) { CHAR_DATA *ch; if (dclose->outtop > 0) process_output(dclose, FALSE); if (dclose->snoop_by != NULL) { write_to_buffer(dclose->snoop_by, "Your victim has left the game.\n\r", 0); } { DESCRIPTOR_DATA *d; for (d = descriptor_list; d != NULL; d = d->next) { if (d->snoop_by == dclose) d->snoop_by = NULL; } } if ((ch = dclose->character) != NULL) { sprintf(log_buf, "Closing link to %s.", ch->name); log_string(log_buf); /* cut down on wiznet spam when rebooting */ if (dclose->connected == CON_PLAYING && !merc_down) { act("$n has lost $s link.", ch, NULL, NULL, TO_ROOM); wiznet("Net death has claimed $N.", ch, NULL, WIZ_LINKS, 0, 0); ch->desc = NULL; } else { free_char(dclose->original ? dclose->original : dclose->character); } } if (d_next == dclose) d_next = d_next->next; if (dclose == descriptor_list) { descriptor_list = descriptor_list->next; } else { DESCRIPTOR_DATA *d; for (d = descriptor_list; d && d->next != dclose; d = d->next); if (d != NULL) d->next = dclose->next; else bug("Close_socket: dclose not found.", 0); } close(dclose->descriptor); free_descriptor(dclose); return; } bool read_from_descriptor(DESCRIPTOR_DATA * d, bool color) { int iStart; /* Hold horses if pending command already. */ if (d->incomm[0] != '\0') return TRUE; /* Check for overflow. */ iStart = strlen(d->inbuf); if (iStart >= sizeof(d->inbuf) - 10) { sprintf(log_buf, "%s input overflow!", d->host); log_string(log_buf); write_to_descriptor(d->descriptor, "\n\r*** PUT A LID ON IT!!! ***\n\r", 0, color); return FALSE; } for (;;) { int nRead; nRead = read(d->descriptor, d->inbuf + iStart, sizeof(d->inbuf) - 10 - iStart); if (nRead > 0) { iStart += nRead; if (d->inbuf[iStart - 1] == '\n' || d->inbuf[iStart - 1] == '\r') break; } else if (nRead == 0) { log_string("EOF encountered on read."); return FALSE; } else if (errno == EWOULDBLOCK) break; else { perror("Read_from_descriptor"); return FALSE; } } d->inbuf[iStart] = '\0'; return TRUE; } /* * Transfer one line from input buffer to input line. */ void read_from_buffer(DESCRIPTOR_DATA * d, bool color) { int i, j, k; /* * Hold horses if pending command already. */ if (d->incomm[0] != '\0') return; /* * Look for at least one new line. */ for (i = 0; d->inbuf[i] != '\n' && d->inbuf[i] != '\r'; i++) { if (d->inbuf[i] == '\0') return; } /* * Canonical input processing. */ for (i = 0, k = 0; d->inbuf[i] != '\n' && d->inbuf[i] != '\r'; i++) { if (k >= MAX_INPUT_LENGTH - 2) { write_to_descriptor(d->descriptor, "Line too long.\n\r", 0, color); /* skip the rest of the line */ for (; d->inbuf[i] != '\0'; i++) { if (d->inbuf[i] == '\n' || d->inbuf[i] == '\r') break; } d->inbuf[i] = '\n'; d->inbuf[i + 1] = '\0'; break; } if (d->inbuf[i] == '\b' && k > 0) --k; else if (isascii(d->inbuf[i]) && isprint(d->inbuf[i])) d->incomm[k++] = d->inbuf[i]; } /* * Finish off the line. */ if (k == 0) d->incomm[k++] = ' '; d->incomm[k] = '\0'; /* * Do '!' substitution. */ if (d->incomm[0] == '!') strcpy(d->incomm, d->inlast); else strcpy(d->inlast, d->incomm); /* * Shift the input buffer. */ while (d->inbuf[i] == '\n' || d->inbuf[i] == '\r') i++; for (j = 0; (d->inbuf[j] = d->inbuf[i + j]) != '\0'; j++); return; } /* * Low level output function. */ bool process_output(DESCRIPTOR_DATA * d, bool fPrompt) { extern bool merc_down; bool color = TRUE; /* * Bust a prompt. */ if ((d->character != NULL) && IS_SET(d->character->act, PLR_COLOUR)) color = TRUE; else color = FALSE; if (!merc_down) { if (d->showstr_point) write_to_buffer(d, "[Hit Return to continue]\n\r", 0); else if (fPrompt && d->pString && d->connected == CON_PLAYING) write_to_buffer(d, "> ", 2); else if (fPrompt && d->connected == CON_PLAYING) { CHAR_DATA *ch; CHAR_DATA *victim; ch = d->character; if (IS_SET(ch->act, PLR_COLOUR)) color = TRUE; else color = FALSE; /* battle prompt */ if ((victim = ch->fighting) != NULL && can_see(ch, victim)) { int percent; char wound[100]; char *pbuff; char buf[MAX_STRING_LENGTH]; char buffer[MAX_STRING_LENGTH * 2]; if (victim->max_hit > 0) percent = victim->hit * 100 / victim->max_hit; else percent = -1; if (percent >= 100) sprintf(wound, "is in excellent condition."); else if (percent >= 90) sprintf(wound, "has a few scratches."); else if (percent >= 75) sprintf(wound, "has some small wounds and bruises."); else if (percent >= 50) sprintf(wound, "has quite a few wounds."); else if (percent >= 30) sprintf(wound, "has some big nasty wounds and scratches."); else if (percent >= 15) sprintf(wound, "looks pretty hurt."); else if (percent >= 0) sprintf(wound, "is in awful condition."); else sprintf(wound, "is bleeding to death."); sprintf(buf, "%s %s \n\r", IS_NPC(victim) ? victim->short_descr : victim-> name, wound); buf[0] = UPPER(buf[0]); pbuff = buffer; colourconv(pbuff, buf, d->character); write_to_buffer(d, buffer, 0); } ch = d->original ? d->original : d->character; if (!IS_SET(ch->comm, COMM_COMPACT)) write_to_buffer(d, "\n\r", 2); if (IS_SET(ch->comm, COMM_PROMPT)) bust_a_prompt(d->character); if (IS_SET(ch->comm, COMM_TELNET_GA)) write_to_buffer(d, go_ahead_str, 0); } } /* * Short-circuit if nothing to write. */ if (d->outtop == 0) return TRUE; /* * Snoop-o-rama. */ if (d->snoop_by != NULL) { if (d->character != NULL) write_to_buffer(d->snoop_by, d->character->name, 0); write_to_buffer(d->snoop_by, "> ", 2); write_to_buffer(d->snoop_by, d->outbuf, d->outtop); } /* * OS-dependent output. */ if (!write_to_descriptor(d->descriptor, d->outbuf, d->outtop, color)) { d->outtop = 0; return FALSE; } else { d->outtop = 0; return TRUE; } } /* * Bust a prompt (player settable prompt) * coded by Morgenes for Aldara Mud */ void bust_a_prompt(CHAR_DATA * ch) { char buf[MAX_STRING_LENGTH]; char buf2[MAX_STRING_LENGTH]; const char *str; const char *i; char *point; char *pbuff; char buffer[MAX_STRING_LENGTH * 2]; char doors[MAX_INPUT_LENGTH]; EXIT_DATA *pexit; bool found; const char *dir_name[] = { "N", "E", "S", "W", "U", "D" }; int door; point = buf; str = ch->prompt; if (!str || str[0] == '\0') { if (IS_VAMPIRE(ch)) { sprintf(buf, "{C<%ldhp %ldm %ldmv %dbp>{x %s", ch->hit, ch->mana, ch->move, ch->blood, ch->prefix); } else { sprintf(buf, "{C<%ldhp %ldm %ldmv>{x %s", ch->hit, ch->mana, ch->move, ch->prefix); } send_to_char(buf, ch); return; } if (IS_SET(ch->comm, COMM_AFK)) send_to_char("{m[{MA{mF{MK{m]{x ", ch); while (*str != '\0') { if (*str != '%') { *point++ = *str++; continue; } ++str; switch (*str) { default: i = " "; break; case 'e': found = FALSE; doors[0] = '\0'; for (door = 0; door < 6; door++) { if ((pexit = ch->in_room->exit[door]) != NULL && pexit->u1.to_room != NULL && (can_see_room(ch, pexit->u1.to_room) || (IS_AFFECTED(ch, AFF_INFRARED) && !IS_AFFECTED(ch, AFF_BLIND)))) { if (!IS_SET(pexit->exit_info, EX_CLOSED)) { strcat(doors, " "); strcat(doors, dir_name[door]); } else { if (!IS_SET(pexit->exit_info, EX_SECRET) && (!IS_SET(pexit->exit_info, EX_HIDDEN))) { strcat(doors, " {g({w"); strcat(doors, dir_name[door]); strcat(doors, "{g){w"); } } } } if (!found) strcat(buf, "none"); sprintf(buf2, "%s", doors); i = buf2; break; case 'c': sprintf(buf2, "%s", "\n\r"); i = buf2; break; case 'h': sprintf(buf2, "%ld", ch->hit); i = buf2; break; case 'H': sprintf(buf2, "%ld", ch->max_hit); i = buf2; break; case 'm': sprintf(buf2, "%ld", ch->mana); i = buf2; break; case 'M': sprintf(buf2, "%ld", ch->max_mana); i = buf2; break; case 'v': sprintf(buf2, "%ld", ch->move); i = buf2; break; case 'V': sprintf(buf2, "%ld", ch->max_move); i = buf2; break; case 'b': sprintf(buf2, "%d", ch->blood); i = buf2; break; case 'B': sprintf(buf2, "%d", ch->max_blood); i = buf2; break; case 'x': sprintf(buf2, "%ld", ch->exp); i = buf2; break; case 'X': sprintf(buf2, "%ld", IS_NPC(ch) ? 0 : (ch->level + 1) * exp_per_level(ch, ch->pcdata->points) - ch->exp); i = buf2; break; case 'g': sprintf(buf2, "%ld", ch->gold); i = buf2; break; case 'a': if (ch->level > 9) sprintf(buf2, "%d", ch->alignment); else sprintf(buf2, "%s", IS_GOOD(ch) ? "good" : IS_EVIL(ch) ? "evil" : "neutral"); i = buf2; break; case 'r': if (ch->in_room != NULL) sprintf(buf2, "%s", ((!IS_NPC(ch) && IS_SET(ch->act, PLR_HOLYLIGHT)) || (!IS_AFFECTED(ch, AFF_BLIND) && !room_is_dark(ch->in_room))) ? ch->in_room-> name : "darkness"); else sprintf(buf2, " "); i = buf2; break; case 'R': if (IS_IMMORTAL(ch) && ch->in_room != NULL) sprintf(buf2, "%ld", ch->in_room->vnum); else sprintf(buf2, " "); i = buf2; break; case 'z': if (IS_IMMORTAL(ch) && ch->in_room != NULL) sprintf(buf2, "%s", ch->in_room->area->name); else sprintf(buf2, " "); i = buf2; break; case '%': sprintf(buf2, "%%"); i = buf2; break; case 'o': sprintf(buf2, "%s", olc_ed_name(ch)); i = buf2; break; case 'O': sprintf(buf2, "%s", olc_ed_vnum(ch)); i = buf2; break; case 'p': if (ch->position != POS_STANDING && ch->position != POS_FIGHTING) sprintf(buf2, "(%s)", position_table [ch->position]. short_name); else sprintf(buf2, " "); i = buf2; break; case 'P': if (ch->position != POS_STANDING && ch->position != POS_FIGHTING) sprintf(buf2, "(%s)", position_table [ch->position]. name); else sprintf(buf2, " "); i = buf2; break; } ++str; while ((*point = *i) != '\0') ++point, ++i; } *point = '\0'; pbuff = buffer; colourconv(pbuff, buf, ch); write_to_buffer(ch->desc, buffer, 0); if (ch->prefix[0] != '\0') write_to_buffer(ch->desc, ch->prefix, 0); return; } /* * Append onto an output buffer. */ void write_to_buffer(DESCRIPTOR_DATA * d, const char *txt, long length) { /* * Find length in case caller didn't. */ if (length <= 0) length = strlen(txt); //printf("strlen = %ld\n", length); /* * Initial \n\r if needed. */ if (d->outtop == 0 && !d->fcommand) { d->outbuf[0] = '\n'; d->outbuf[1] = '\r'; d->outtop = 2; } //printf("crash here?\n"); /* * Expand the buffer as needed. */ while (d->outtop + length >= d->outsize) { char *outbuf; if (d->outsize >= 64000) { bug("Buffer overflow. Closing.\n\r", 0); close_socket(d); return; } //printf("allocing mem in wtb\n"); outbuf = alloc_mem(2 * d->outsize); strncpy(outbuf, d->outbuf, d->outtop); //printf("freeing mem in wtb\n"); free_mem(d->outbuf); d->outbuf = outbuf; d->outsize *= 2; } /* * Copy. */ //printf("about to strcpy\n"); strcpy(d->outbuf + d->outtop, txt); //printf("d-outtop\n"); d->outtop += length; //printf("returning from wtb\n"); return; } /* * Lowest level output function. * Write a block of text to the file descriptor. * If this gives errors on very long blocks (like 'ofind all'), * try lowering the max block size. */ bool write_to_descriptor(int desc, char *txt, int length, bool color) { int iStart; int nWrite; int nBlock; if (length <= 0) length = strlen(txt); for (iStart = 0; iStart < length; iStart += nWrite) { nBlock = UMIN(length - iStart, 4096); if ((nWrite = write(desc, txt + iStart, nBlock)) < 0) { perror("Write_to_descriptor"); return FALSE; } } return TRUE; } /* * Look for link-dead player to reconnect. */ bool check_reconnect(DESCRIPTOR_DATA * d, char *name, bool fConn) { CHAR_DATA *ch; for (ch = char_list; ch != NULL; ch = ch->next) { if (!IS_NPC(ch) && (!fConn || ch->desc == NULL) && !str_cmp(d->character->name, ch->name)) { if (fConn == FALSE) { free_string(d->character->pcdata->pwd); d->character->pcdata->pwd = str_dup(ch->pcdata->pwd); } else { free_char(d->character); d->character = ch; ch->desc = d; ch->timer = 0; send_to_char("Reconnecting.\n\r", ch); do_replay(ch, ""); act("$n has reconnected.", ch, NULL, NULL, TO_ROOM); sprintf(log_buf, "%s@%s reconnected.", ch->name, d->host); log_string(log_buf); wiznet("$N groks the fullness of $S link.", ch, NULL, WIZ_LINKS, 0, 0); d->connected = CON_PLAYING; } return TRUE; } } return FALSE; } /* * Check if already playing. */ bool check_playing(DESCRIPTOR_DATA * d, char *name) { DESCRIPTOR_DATA *dold; for (dold = descriptor_list; dold; dold = dold->next) { if (dold != d && dold->character != NULL && dold->connected != CON_GET_NAME && dold->connected != CON_GET_OLD_PASSWORD && !str_cmp(name, dold->original ? dold->original->name : dold->character->name)) { write_to_buffer(d, "That character is already playing.\n\r", 0); write_to_buffer(d, "Do you wish to connect anyway (Y/N)?", 0); d->connected = CON_BREAK_CONNECT; return TRUE; } } return FALSE; } void stop_idling(CHAR_DATA * ch) { if (ch == NULL || ch->desc == NULL || ch->desc->connected != CON_PLAYING || ch->was_in_room == NULL || ch->in_room != get_room_index(ROOM_VNUM_LIMBO)) return; ch->timer = 0; char_from_room(ch); char_to_room(ch, ch->was_in_room); ch->was_in_room = NULL; act("$n has returned from the void.", ch, NULL, NULL, TO_ROOM); return; } void announce(char *string, CHAR_DATA * ch) { DESCRIPTOR_DATA *d; for (d = descriptor_list; d != NULL; d = d->next) { CHAR_DATA *victim; victim = d->original ? d->original : d->character; if (d->connected == CON_PLAYING && d->character != ch && IS_SET(victim->comm, COMM_ANNOUNCE) && !IS_SET(victim->comm, COMM_QUIET)) { if (!can_see(d->character, ch) && IS_IMMORTAL(ch)) continue; act_new(string, ch, NULL, d->character, TO_VICT, POS_DEAD); } } return; } /* * Write to one char. */ void send_to_char_bw(const char *txt, CHAR_DATA * ch) { if (txt != NULL && ch->desc != NULL) write_to_buffer(ch->desc, txt, strlen(txt)); return; } // send colored text to a descriptor void write_color_to_buffer(const char *txt, DESCRIPTOR_DATA *desc) { const char *point; char *point2; char buf[MAX_STRING_LENGTH * 4]; int skip = 0; buf[0] = '\0'; point2 = buf; if (txt && desc) { for (point = txt; *point; point++) { if (*point == '{') { point++; skip = colour(*point, NULL, point2); while (skip-- > 0) ++point2; continue; } *point2 = *point; *++point2 = '\0'; } *point2 = '\0'; write_to_buffer(desc, buf, point2 - buf); } return; } /* * Write to one char, new colour version, by Lope. */ void send_to_char(const char *txt, CHAR_DATA * ch) { const char *point; char *point2; char buf[MAX_STRING_LENGTH * 4]; int skip = 0; buf[0] = '\0'; point2 = buf; if (txt && ch->desc) { if (IS_SET(ch->act, PLR_COLOUR)) { for (point = txt; *point; point++) { if (*point == '{') { point++; skip = colour(*point, ch, point2); while (skip-- > 0) ++point2; continue; } *point2 = *point; *++point2 = '\0'; } *point2 = '\0'; write_to_buffer(ch->desc, buf, point2 - buf); } else { for (point = txt; *point; point++) { if (*point == '{') { point++; continue; } *point2 = *point; *++point2 = '\0'; } *point2 = '\0'; write_to_buffer(ch->desc, buf, point2 - buf); } } return; } /* * Send a page to one char. */ void page_to_char_bw(const char *txt, CHAR_DATA * ch) { if (txt == NULL || ch->desc == NULL) if (ch->lines == 0) { send_to_char(txt, ch); return; } ch->desc->showstr_head = alloc_mem(strlen(txt) + 1); strcpy(ch->desc->showstr_head, txt); ch->desc->showstr_point = ch->desc->showstr_head; show_string(ch->desc, ""); } /* * Page to one char, new colour version, by Lope. */ void page_to_char(const char *txt, CHAR_DATA * ch) { const char *point; char *point2; char buf[MAX_STRING_LENGTH * 32 ]; int skip = 0; buf[0] = '\0'; point2 = buf; if (txt && ch->desc) { if (IS_SET(ch->act, PLR_COLOUR)) { for (point = txt; *point; point++) { if (*point == '{') { point++; skip = colour(*point, ch, point2); while (skip-- > 0) ++point2; continue; } *point2 = *point; *++point2 = '\0'; } *point2 = '\0'; ch->desc->showstr_head = alloc_mem(strlen(buf) + 1); strcpy(ch->desc->showstr_head, buf); ch->desc->showstr_point = ch->desc->showstr_head; show_string(ch->desc, ""); } else { for (point = txt; *point; point++) { if (*point == '{') { point++; continue; } *point2 = *point; *++point2 = '\0'; } *point2 = '\0'; ch->desc->showstr_head = alloc_mem(strlen(buf) + 1); strcpy(ch->desc->showstr_head, buf); ch->desc->showstr_point = ch->desc->showstr_head; show_string(ch->desc, ""); } } return; } /* string pager */ void show_string(struct descriptor_data *d, char *input) { char buffer[4 * MAX_STRING_LENGTH]; char buf[MAX_INPUT_LENGTH]; register char *scan, *chk; int lines = 0, toggle = 1; int show_lines; one_argument(input, buf); if (buf[0] != '\0') { if (d->showstr_head) { free_mem(d->showstr_head); d->showstr_head = 0; } d->showstr_point = 0; return; } if (d->character) show_lines = d->character->lines; else show_lines = 0; for (scan = buffer;; scan++, d->showstr_point++) { if (((*scan = *d->showstr_point) == '\n' || *scan == '\r') && (toggle = -toggle) < 0) lines++; else if (!*scan || (show_lines > 0 && lines >= show_lines)) { *scan = '\0'; write_to_buffer(d, buffer, strlen(buffer)); for (chk = d->showstr_point; isspace(*chk); chk++); { if (!*chk) { if (d->showstr_head) { free_mem(d->showstr_head); d->showstr_head = 0; } d->showstr_point = 0; } } return; } } return; } /* quick sex fixer */ void fix_sex(CHAR_DATA * ch) { if (ch->sex < 0 || ch->sex > 2) ch->sex = IS_NPC(ch) ? 0 : ch->pcdata->true_sex; } void act(const char *format, CHAR_DATA * ch, const void *arg1, const void *arg2, int type) { /* to be compatible with older code */ act_new(format, ch, arg1, arg2, type, POS_RESTING); } /* * The colour version of the act_new( ) function, -Lope */ void act_new(const char *format, CHAR_DATA * ch, const void *arg1, const void *arg2, int type, int min_pos) { static char *const he_she[] = { "it", "he", "she" }; static char *const him_her[] = { "it", "him", "her" }; static char *const his_her[] = { "its", "his", "her" }; CHAR_DATA *to; CHAR_DATA *vch = (CHAR_DATA *) arg2; OBJ_DATA *obj1 = (OBJ_DATA *) arg1; OBJ_DATA *obj2 = (OBJ_DATA *) arg2; const char *str; char *i = NULL; char *point; char *pbuff; char buffer[MAX_STRING_LENGTH * 2]; char buf[MAX_STRING_LENGTH]; char fname[MAX_INPUT_LENGTH]; bool fColour = FALSE; /* * Discard null and zero-length messages. */ if (!format || !*format) return; /* discard null rooms and chars */ if (!ch || !ch->in_room) return; to = ch->in_room->people; if (type == TO_VICT) { if (!vch) { bug("Act: null vch with TO_VICT.", 0); return; } if (!vch->in_room) return; to = vch->in_room->people; } for (; to; to = to->next_in_room) { if ((!IS_NPC(to) && to->desc == NULL) || (IS_NPC(to) && !HAS_TRIGGER(to, TRIG_ACT) && to->desc == NULL) || to->position < min_pos) continue; if ((type == TO_CHAR) && to != ch) continue; if (type == TO_VICT && (to != vch || to == ch)) continue; if (type == TO_ROOM && to == ch) continue; if (type == TO_NOTVICT && (to == ch || to == vch)) continue; point = buf; str = format; while (*str != '\0') { if (*str != '$') { *point++ = *str++; continue; } fColour = TRUE; ++str; i = " <@@@> "; if (!arg2 && *str >= 'A' && *str <= 'Z') { bug("Act: missing arg2 for code %d.", *str); i = " <@@@> "; } else { switch (*str) { default: bug("Act: bad code %d.", *str); i = " <@@@> "; break; case 't': i = (char *) arg1; break; case 'T': i = (char *) arg2; break; case 'n': i = PERS(ch, to); break; case 'N': i = PERS(vch, to); break; case 'e': i = he_she[URANGE(0, ch->sex, 2)]; break; case 'E': i = he_she[URANGE(0, vch->sex, 2)]; break; case 'm': i = him_her[URANGE(0, ch->sex, 2)]; break; case 'M': i = him_her[URANGE(0, vch->sex, 2)]; break; case 's': i = his_her[URANGE(0, ch->sex, 2)]; break; case 'S': i = his_her[URANGE(0, vch->sex, 2)]; break; case 'p': i = can_see_obj(to, obj1) ? obj1->short_descr : "something"; break; case 'P': i = can_see_obj(to, obj2) ? obj2->short_descr : "something"; break; case 'd': if (arg2 == NULL || ((char *) arg2)[0] == '\0') { i = "door"; } else { one_argument((char *) arg2, fname); i = fname; } break; } } ++str; while ((*point = *i) != '\0') ++point, ++i; } *point++ = '\n'; *point++ = '\r'; *point = '\0'; if (strncmp(buf, "{", 1)) { buf[0] = UPPER(buf[0]); } else { buf[2] = UPPER(buf[2]); } pbuff = buffer; colourconv(pbuff, buf, to); if (to->desc != NULL) write_to_buffer(to->desc, buffer, 0); else if (MOBtrigger) mp_act_trigger(buffer, to, ch, arg1, arg2, TRIG_ACT); } return; } void log_printf(char *fmt, ...) { char buf[2 * MSL]; va_list args; va_start(args, fmt); vsprintf(buf, fmt, args); va_end(args); log_string(buf); } int colour(char type, CHAR_DATA * ch, char *string) { char code[20]; char *p = '\0'; char ccodes[16] = { 'x','b','c','g','m','r','w','y','B','C','G','M','R','W','Y','D' }; if (type == '!') type = ccodes[number_range(0,15)]; switch (type) { default: sprintf(code, CLEAR); break; case 'x': sprintf(code, CLEAR); break; case 'b': sprintf(code, C_BLUE); break; case 'c': sprintf(code, C_CYAN); break; case 'g': sprintf(code, C_GREEN); break; case 'm': sprintf(code, C_MAGENTA); break; case 'r': sprintf(code, C_RED); break; case 'w': sprintf(code, C_WHITE); break; case 'y': sprintf(code, C_YELLOW); break; case 'B': sprintf(code, C_B_BLUE); break; case 'C': sprintf(code, C_B_CYAN); break; case 'G': sprintf(code, C_B_GREEN); break; case 'M': sprintf(code, C_B_MAGENTA); break; case 'R': sprintf(code, C_B_RED); break; case 'W': sprintf(code, C_B_WHITE); break; case 'Y': sprintf(code, C_B_YELLOW); break; case 'D': sprintf(code, C_D_GREY); break; case '*': sprintf(code, "%c", 007); break; case 'u': sprintf(code, "%c", 129); break; case 's': sprintf(code, "%c", 001); break; case 'S': sprintf(code, "%c", 002); break; case '/': sprintf(code, "%c", 012); break; case '{': sprintf(code, "%c", '{'); break; } p = code; while (*p != '\0') { *string = *p++; *++string = '\0'; } return (strlen(code)); } void colourconv(char *buffer, const char *txt, CHAR_DATA * ch) { const char *point; int skip = 0; if (ch->desc && txt) { if (IS_SET(ch->act, PLR_COLOUR)) { for (point = txt; *point; point++) { if (*point == '{') { point++; skip = colour(*point, ch, buffer); while (skip-- > 0) ++buffer; continue; } *buffer = *point; *++buffer = '\0'; } *buffer = '\0'; } else { for (point = txt; *point; point++) { if (*point == '{') { point++; continue; } *buffer = *point; *++buffer = '\0'; } *buffer = '\0'; } } return; } /************** START OF HOT REBOOT **************/ #define CH(descriptor) ((descriptor)->original ? \ (descriptor)->original : (descriptor)->character) /* This file holds the copyover data */ #define COPYOVER_FILE "copyover.data" /* This is the executable file */ #define EXE_FILE "../src/rom" /* Copyover - Original idea: Fusion of MUD++ * Adapted to Diku by Erwin S. Andreasen, <erwin@pip.dknet.dk> * http://pip.dknet.dk/~pip1773 * Changed into a ROM patch after seeing the 100th request for it :) */ void do_genesi(CHAR_DATA * ch, char *argument) { send_to_char("If you want to GENESIS, spell it out, you moron.\n\r", ch); return; } void do_genesis(CHAR_DATA * ch, char *argument) { FILE *fp; DESCRIPTOR_DATA *d, *d_next; char buf[MAX_STRING_LENGTH], buf2[100]; extern int port, control; /* db.c */ bool color; color = FALSE; if (IS_NPC(ch)) return; fp = fopen(COPYOVER_FILE, "w"); if (!fp) { send_to_char("Genesis file not writeable, aborted.\n\r", ch); log_printf("Could not write to genesis file: %s", COPYOVER_FILE); perror("do_genesis:fopen"); return; } sprintf(buf, "\n\n%s summons the powers of the three moons and a violent wind arises.." "You feel yourself imploding violently, and you scream your last breath as " "your molecules begin to scatter!\n\n ", ch->name); /* For each playing descriptor, save its state */ for (d = descriptor_list; d; d = d_next) { CHAR_DATA *och = CH(d); d_next = d->next; /* We delete from the list , so need to save this */ if (!d->character || d->connected > CON_PLAYING) { /* drop those logging on */ write_to_descriptor(d->descriptor, "\n\rSorry, we are rebooting. Come back in a few minutes.\n\r", 0, color); close_socket(d); /* throw'em out */ } else { fprintf(fp, "%d %s %s\n", d->descriptor, och->name, d->host); if (d->connected == CON_PLAYING && d->pString && d->character) interpret(d->character, "@"); if (och->level < 2) och->level = 2; if (ch->arena) leave_arena(ch); save_char_obj(och); write_to_descriptor(d->descriptor, buf, 0, color); } } if (argument[0] == '\0' || str_prefix(argument, "nosave")) do_asave(NULL, ""); /* OLC */ turf_save(); cbank_save(); persist_container( 123); fprintf(fp, "-1\n"); fclose(fp); /* Close reserve and other always-open files and release other resources */ fclose(fpReserve); /* exec - descriptors are inherited */ sprintf(buf, "%d", port); sprintf(buf2, "%d", control); execl(EXE_FILE, "rom", buf, "copyover", buf2, (char *) NULL); /* Failed - sucessful exec will not return */ perror("do_genesis: execl"); send_to_char("Genesis FAILED!\n\r", ch); /* Here you might want to reopen fpReserve */ fpReserve = fopen(NULL_FILE, "r"); } /* Recover from a copyover - load players */ void copyover_recover() { DESCRIPTOR_DATA *d; FILE *fp; char name[100]; char host[MSL]; int desc; bool fOld; bool color; color = FALSE; log_printf("Genesis recovery initiated"); fp = fopen(COPYOVER_FILE, "r"); if (!fp) { /* there are some descriptors open which will hang forever then ? */ perror("genesis_recover:fopen"); log_printf("Genesis file not found. Exitting.\n\r"); exit(1); } unlink(COPYOVER_FILE); /* In case something crashes - doesn't prevent reading */ for (;;) { fscanf(fp, "%d %s %s\n", &desc, name, host); if (desc == -1) break; /* Write something, and check if it goes error-free */ if (!write_to_descriptor (desc, "Please hold as your body is put back together...done!\n\r", 0, color)) { close(desc); /* Nope */ continue; } d = new_descriptor(); d->descriptor = desc; d->host = str_dup(host); d->next = descriptor_list; descriptor_list = d; d->connected = CON_COPYOVER_RECOVER; /* -15, so close_socket frees the char */ /* Now, find the pfile */ fOld = load_char_obj(d, name); if (!fOld) { /* Player file not found?! */ write_to_descriptor(desc, "\n\rSomehow, your character was lost in the copyover. Sorry.\n\r", 0, color); close_socket(d); } else { /* ok! */ write_to_descriptor(desc, "Have a nice day.\n\r", 0, color); /* Just In Case */ if (!d->character->in_room) d->character->in_room = get_room_index(ROOM_VNUM_TEMPLE); /* Insert in the char_list */ d->character->next = char_list; char_list = d->character; char_to_room(d->character, d->character->in_room); do_look(d->character, "auto"); send_to_char("{x", d->character); act("$n materializes!{x", d->character, NULL, NULL, TO_ROOM); d->connected = CON_PLAYING; if (d->character->pet != NULL) { char_to_room(d->character->pet, d->character->in_room); act("$n materializes before you!{x", d->character->pet, NULL, NULL, TO_ROOM); } } } } char *spritespeak(char *string, CHAR_DATA * ch) { int pos; char buf[MSL]; char buf2[MSL]; if (ch->race != race_lookup("sprite")) return string; strcpy(buf, string); for (pos = 0; buf[pos] != '\0'; pos++) { if (dice(1, 100) > 50) buf2[pos] = UPPER(buf[pos]); else buf2[pos] = buf[pos]; } buf[0] = '\0'; buf2[pos] = '\0'; return str_dup(buf2); }