/************************************************************************** * Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, * * Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. * * * * Merc Diku Mud improvements 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. * * * * Much time and thought has gone into this software and you are * * benefiting. We hope that you share your changes too. What goes * * around, comes around. * *************************************************************************** * ROM 2.4 is copyright 1993-1998 Russ Taylor * * ROM has been brought to you by the ROM consortium * * Russ Taylor (rtaylor@hypercube.org) * * Gabrielle Taylor (gtaylor@hypercube.org) * * 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 * *************************************************************************** * 1stMUD ROM Derivative (c) 2001-2002 by Ryan Jennings * * http://1stmud.dlmud.com/ <r-jenn@shaw.ca> * ***************************************************************************/ /* * 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> #if !defined(WIN32) #include <sys/time.h> #include <sys/wait.h> #include <unistd.h> /* OLC -- for close read write etc */ #else #include <winsock2.h> #include <sys\timeb.h> #include <direct.h> #include <io.h> #endif #include <ctype.h> #include <errno.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <time.h> #include <stdarg.h> /* chprintf */ #include "merc.h" #include "interp.h" #include "recycle.h" #include "tables.h" #if defined(WIN32) #include "../win32/winstuff.h" #endif #include "webserver.h" #include <signal.h> #include <fcntl.h> #if !defined(WIN32) #include <netdb.h> #include <netinet/in.h> #include <sys/socket.h> #endif #include "telnet.h" /* * Global variables. */ DESCRIPTOR_DATA *d_next; /* Next descriptor in loop */ bool god; /* All new chars are gods! */ bool merc_down; /* Shutdown */ char str_boot_time[MAX_INPUT_LENGTH]; /* Needs to be global because of do_copyover */ int port, control; /* Global variable */ volatile sig_atomic_t crashed = 0; /* Are we currently crashing? */ #if defined( WIN32 ) #define WOULD_HAVE_BLOCKED ( WSAGetLastError() == WSAEWOULDBLOCK ) #else #define WOULD_HAVE_BLOCKED ( errno == EWOULDBLOCK ) #endif void game_loop args((int ctrl)); int init_socket args((int prt)); void init_descriptor args((int ctrl)); bool read_from_descriptor args((DESCRIPTOR_DATA * d)); void halt_mud args((int sig)); /* * Other local functions (OS-independent). */ int main args((int argc, char **argv)); void nanny args((DESCRIPTOR_DATA * d, const char *argument)); bool process_output args((DESCRIPTOR_DATA * d, bool fPrompt)); void read_from_buffer args((DESCRIPTOR_DATA * d)); void stop_idling args((CHAR_DATA * ch)); void bust_a_prompt args((CHAR_DATA * ch)); void set_game_levels args((int Old, int New)); void save_helps args((void)); #if !defined(WIN32) #if !defined(__CYGWIN__) // Stop an endless loop // Uses alarm() to check for game clock advance every 300 seconds. If more // than 240 seconds of realtime has elapsed, assume loop and conduct a copyover. static void sigalrm(int sig) { time_t ptm; time(&ptm); log_string("TOCK!"); if ((ptm - current_time) > 240) { logf("Looping - Last Command: %s\r", last_command); // this requires you to add an "if (ch)" before the chprint // statements in do_copyover. do_copyover(NULL, ""); exit(1); } alarm(300); } #endif #else void gettimeofday(struct timeval *t, void *tz) { struct timeb timebuffer; ftime(&timebuffer); t->tv_sec = timebuffer.time; t->tv_usec = timebuffer.millitm * 1000; } #endif int main(int argc, char **argv) { struct timeval now_time; #if !defined(WIN32) && !defined(__CYGWIN__) bool fCopyOver = FALSE; struct sigaction halt_action, ignore_action, alarm_action; halt_action.sa_handler = halt_mud; sigemptyset(&halt_action.sa_mask); halt_action.sa_flags = SA_NOMASK; ignore_action.sa_handler = SIG_IGN; sigemptyset(&ignore_action.sa_mask); ignore_action.sa_flags = 0; alarm_action.sa_handler = sigalrm; sigemptyset(&alarm_action.sa_mask); alarm_action.sa_flags = SA_NOMASK; sigaction(SIGPIPE, &ignore_action, NULL); /* who cares about pipes? */ sigaction(SIGCHLD, &ignore_action, NULL); /* stop zombie processes */ sigaction(SIGHUP, &ignore_action, NULL); /* stay alive if user quits */ sigaction(SIGINT, &halt_action, NULL); /* interrupted at keyboard */ sigaction(SIGQUIT, &halt_action, NULL); /* quit at keyboard */ sigaction(SIGILL, &halt_action, NULL); /* illegal instruction */ sigaction(SIGFPE, &halt_action, NULL); /* floating point error */ sigaction(SIGSEGV, &halt_action, NULL); /* invalid memory reference */ sigaction(SIGTERM, &halt_action, NULL); /* terminate */ sigaction(SIGBUS, &halt_action, NULL); /* out of memory?? */ sigaction(SIGALRM, &alarm_action, NULL); /* endless loop check */ alarm(300); #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 = file_open(NULL_FILE, "r")) == NULL) { perror(NULL_FILE); exit(1); } /* * Get the port number. */ port = 4000; if (argc > 1) { if (!str_cmp(argv[1], "levels")) { if (IS_NULLSTR(argv[2]) || IS_NULLSTR(argv[3]) || !is_number(argv[2]) || !is_number(argv[3])) { logf("Usage: %s levels [old max level] [new max level]", argv[0]); exit(1); } boot_db(); set_game_levels(atoi(argv[2]), atoi(argv[3])); exit(0); } else if (!is_number(argv[1])) { logf("Usage: %s [port #]\n", argv[0]); exit(1); } else if ((port = atoi(argv[1])) <= 1024) { logf("Port number must be above 1024.\n"); exit(1); } #if !defined(WIN32) && !defined(__CYGWIN__) /* Are we recovering from a copyover? */ if (argv[2] && argv[2][0]) { fCopyOver = TRUE; control = atoi(argv[3]); } else fCopyOver = FALSE; #endif } #if defined(WIN32) { /* Initialise Windows sockets library */ unsigned short wVersionRequested = MAKEWORD(1, 1); WSADATA wsadata; int err; /* Need to include library: wsock32.lib for Windows Sockets */ err = WSAStartup(wVersionRequested, &wsadata); if (err) { logf("Error %i on WSAStartup\n", err); exit(1); } } #endif /* * Run the game. */ #if !defined(WIN32) && !defined(__CYGWIN__) if (!fCopyOver) #endif control = init_socket(port); WebUP = init_web_server(); boot_db(); sprintf(log_buf, "ROM is ready to rock on port %d.", port); log_string(log_buf); #if !defined(WIN32) && !defined(__CYGWIN__) if (fCopyOver) copyover_recover(); #endif game_loop(control); shutdown_web_server(); close(control); /* * That's all, folks. */ log_string("Normal termination of game."); exit(0); return 0; } int init_socket(int prt) { 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(prt); 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 show_greeting(DESCRIPTOR_DATA * dnew) { extern const char *help_greeting; if (help_greeting[0] == '.') write_to_buffer(dnew, help_greeting + 1, 0); else write_to_buffer(dnew, help_greeting, 0); } #define MS_PER_PULSE ( 1000 / PULSE_PER_SECOND ) // maintained by SyncGameClock; currently read only by WaitForPulse() unsigned long last_pulse_millisec; void SynchronizeClock(void) { #if defined( WIN32 ) struct _timeb now_time; _ftime(&now_time); current_time = now_time.time; last_pulse_millisec = now_time.millitm; #else struct timeval last_time; gettimeofday(&last_time, NULL); current_time = (time_t) last_time.tv_sec; last_pulse_millisec = (unsigned long) last_time.tv_usec / 1000; #endif } #if !defined(WIN32) void Sleep(time_t milliseconds) { struct timeval nap_time; nap_time.tv_usec = 1000 * milliseconds; nap_time.tv_sec = 0; if (select(0, NULL, NULL, NULL, &nap_time) < 0) { switch (errno) { case EBADF: bug("Invalid file descriptor passed to Select()", 0); break; case EINTR: //bugf("A non-blocked signal was caught.", 0); break; case EINVAL: bug("Negative \'n\' descriptor passed to Select()", 0); break; case ENOMEM: bug("Select() was unable to allocate memory for internal tables.", 0); break; default: bug("Unknown error.", 0); break; } } } #endif void WaitForPulse() { signed long pulse; signed long nap; #if !defined(WIN32) struct timeval now_time; gettimeofday(&now_time, NULL); pulse = ((int) now_time.tv_sec) - ((int) current_time); // Careful here of signed versus unsigned arithmetic. pulse *= 1000; pulse += ((int) now_time.tv_usec / 1000) - ((int) last_pulse_millisec); #else struct _timeb now_time; _ftime(&now_time); pulse = now_time.time - current_time; pulse *= 1000; pulse += now_time.millitm - last_pulse_millisec; #endif nap = MS_PER_PULSE - pulse; if (nap > 0) { Sleep(nap); } } void game_loop(int ctrl) { static struct timeval null_time; struct timeval last_time; #if !defined(WIN32) signal(SIGPIPE, SIG_IGN); signal(SIGCHLD, SIG_IGN); #endif gettimeofday(&last_time, NULL); current_time = (time_t) last_time.tv_sec; /* Main loop */ while (!merc_down) { fd_set in_set; fd_set out_set; fd_set exc_set; DESCRIPTOR_DATA *d; int maxdesc; /* * Poll all active descriptors. */ FD_ZERO(&in_set); FD_ZERO(&out_set); FD_ZERO(&exc_set); FD_SET(ctrl, &in_set); maxdesc = ctrl; for (d = descriptor_first; 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) { if (errno != EINTR) { perror("Game_loop: select: poll"); exit(1); } } /* * New connection? */ if (FD_ISSET(ctrl, &in_set)) init_descriptor(ctrl); /* * Kick out the freaky folks. */ for (d = descriptor_first; 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_first; 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 (!read_from_descriptor(d)) { FD_CLR(d->descriptor, &out_set); if (d->character != NULL && d->connected == CON_PLAYING) 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); 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(); if (WebUP) update_web_server(); /* * Output. */ for (d = descriptor_first; d != NULL; d = d_next) { d_next = d->next; if ((d->fcommand || d->outtop > 0 #if !defined(NO_MCCP) || d->out_compress) && #else ) && #endif FD_ISSET(d->descriptor, &out_set)) { bool ok = TRUE; if (d->fcommand || d->outtop > 0) ok = process_output(d, TRUE); #if !defined(NO_MCCP) if (ok && d->out_compress) ok = processCompressed(d); #endif if (!ok) { 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. */ WaitForPulse(); SynchronizeClock(); } return; } void init_descriptor(int ctrl) { char buf[MAX_STRING_LENGTH]; DESCRIPTOR_DATA *dnew; struct sockaddr_in sock; struct hostent *from; int desc; #if defined(__CYGWIN__) int size; #else unsigned int size; #endif #if defined(WIN32) static unsigned long ARGP = 1; #endif size = sizeof(sock); getsockname(ctrl, (struct sockaddr *) &sock, &size); if ((desc = accept(ctrl, (struct sockaddr *) &sock, &size)) < 0) { perror("New_descriptor: accept"); return; } #if !defined(FNDELAY) #define FNDELAY O_NDELAY #endif #if defined( WIN32 ) if (ioctlsocket(desc, FIONBIO, &ARGP) != 0) { bugf("ioctlsocket returned error code %d", WSAGetLastError()); return; } #else if (fcntl(desc, F_SETFL, FNDELAY) == -1) { perror("New_descriptor: fcntl: FNDELAY"); return; } #endif /* * Cons a new descriptor. */ dnew = new_descriptor(); /* new_descriptor now also allocates things */ dnew->descriptor = desc; size = sizeof(sock); if (getpeername(desc, (struct sockaddr *) &sock, &size) < 0) { perror("New_descriptor: getpeername"); dnew->host = str_dup("(unknown)"); } else { /* * Would be nice to use inet_ntoa here but it takes a struct arg, * which ain't very compatible between gcc and system libraries. */ 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)) { write_to_descriptor(dnew, "Your site has been banned from this mud.\n\r", 0); close(desc); free_descriptor(dnew); return; } /* * Init descriptor data. */ LINK(dnew, descriptor_first, descriptor_last, next, prev); /* * Send the greeting. */ init_telnet(dnew); write_to_buffer(dnew, "Would you like ANSI color? (Y)es, (N)o, (T)est:\n\r", 0); 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_first; 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 ch is writing note or playing, just lose link otherwise clear char */ if ((dclose->connected == CON_PLAYING && !merc_down) || ((dclose->connected >= CON_NOTE_TO) && (dclose->connected <= CON_NOTE_FINISH))) { 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); } } free_runbuf(dclose); if (d_next == dclose) d_next = d_next->next; UNLINK(dclose, descriptor_first, descriptor_last, next, prev); #if !defined(NO_MCCP) if (dclose->out_compress) { deflateEnd(dclose->out_compress); free_mem(dclose->out_compress_buf); free_mem(dclose->out_compress); } #endif close(dclose->descriptor); free_descriptor(dclose); return; } bool read_from_descriptor(DESCRIPTOR_DATA * d) { unsigned int iStart, index; static char buf[sizeof(d->inbuf)]; memset(buf, 0, sizeof(buf)); /* Hold horses if pending command already. */ if (d->incomm[0] != '\0') return TRUE; /* Check for overflow. */ iStart = strlen(d->inbuf); index = 0; if (iStart >= sizeof(d->inbuf) - 10) { logf("%s input overflow!", d->host); write_to_descriptor(d, "\n\r*** PUT A LID ON IT!!! ***\n\r", 0); d->inbuf[sizeof(d->inbuf) - 10] = '\0'; return TRUE; } for (;;) { int nRead; nRead = read(d->descriptor, buf + index, sizeof(buf) - 10 - index); if (nRead > 0) { index += nRead; if (buf[index - 1] == '\n' || buf[index - 1] == '\r') break; } else if (nRead == 0) { logf("Read_from_descriptor: EOF encountered on read."); return FALSE; } else if (WOULD_HAVE_BLOCKED) break; else { perror("Read_from_descriptor"); return FALSE; } } /* process_telnet does the actual writing in d->inbuf now! */ process_telnet(d, index, buf); if (d->connected == CON_GET_TERM && (DESC_FLAGGED(d, DESC_TELOPT_EOR) || DESC_FLAGGED(d, DESC_TELOPT_ECHO) || DESC_FLAGGED(d, DESC_TELOPT_NAWS) #if !defined(NO_MCCP) || d->out_compress #endif )) { SET_BIT(d->d_flags, DESC_COLOUR); write_to_buffer(d, "{`Colour{c enabled Automatically...{x\n\r", 0); show_greeting(d); d->connected = CON_GET_NAME; } return TRUE; } /* * Transfer one line from input buffer to input line. */ void read_from_buffer(DESCRIPTOR_DATA * d) { int i, j, k; /* * Hold horses if pending command already. */ if (d->incomm[0] != '\0') return; if (d->character && d->character->position == POS_FIGHTING && d->run_buf) free_runbuf(d); if (d->run_buf) { while (isdigit(*d->run_head) && *d->run_head != '\0') { char *s; char *e; s = (char *) d->run_head; while (isdigit(*s)) s++; e = s; while (*(--s) == '0' && s != d->run_head); if (isdigit(*s) && *s != '0' && *e != 'o') { d->incomm[0] = *e; d->incomm[1] = '\0'; s[0]--; while (isdigit(*(++s))) *s = '9'; return; } if (*e == 'o') d->run_head = e; else d->run_head = ++e; } if (*d->run_head != '\0') { if (*d->run_head != 'o') { d->incomm[0] = *d->run_head++; d->incomm[1] = '\0'; return; } else { char buf[MAX_INPUT_LENGTH]; d->run_head++; strcpy(buf, "open "); switch (*d->run_head) { case 'n': strcat(buf, "north"); break; case 's': strcat(buf, "south"); break; case 'e': strcat(buf, "east"); break; case 'w': strcat(buf, "west"); break; case 'u': strcat(buf, "up"); break; case 'd': strcat(buf, "down"); break; default: return; } strcpy(d->incomm, buf); d->run_head++; return; } } free_runbuf(d); } /* * 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, "Line too long.\n\r", 0); /* 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'; /* * Deal with bozos with #repeat 1000 ... */ if (k > 1 || d->incomm[0] == '!') { if (d->incomm[0] != '!' && str_cmp(d->incomm, d->inlast)) { d->repeat = 0; } else { if (++d->repeat >= 25 && d->character && d->connected == CON_PLAYING) { sprintf(log_buf, "%s input spamming!", d->host); log_string(log_buf); wiznet ("Spam spam spam $N spam spam spam spam spam!", d->character, NULL, WIZ_SPAM, 0, get_trust(d->character)); if (d->incomm[0] == '!') wiznet(d->inlast, d->character, NULL, WIZ_SPAM, 0, get_trust(d->character)); else wiznet(d->incomm, d->character, NULL, WIZ_SPAM, 0, get_trust(d->character)); d->repeat = 0; /* write_to_descriptor( d, "\n\r*** PUT A LID ON IT!!! ***\n\r", 0 ); strcpy( d->incomm, "quit" ); */ } } } /* * 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; } char *random_colour(void) { switch (number_range(1, 14)) { case 1: return C_BLUE; case 2: return C_CYAN; case 3: return C_GREEN; case 4: return C_MAGENTA; case 5: return C_RED; case 6: return C_YELLOW; case 7: return CB_BLUE; case 8: return CB_CYAN; case 9: return CB_GREEN; case 10: return CB_MAGENTA; case 11: return CB_WHITE; case 12: return CB_RED; case 13: return C_WHITE; case 14: return CB_YELLOW; default: return C_CLEAR; } } char *random_background(void) { switch (number_range(0, 13)) { case 0: return BLACK_BG; case 1: return BLUE_BG; case 2: return CYAN_BG; case 3: return GREEN_BG; case 4: return MAGENTA_BG; case 5: return RED_BG; case 6: return YELLOW_BG; case 7: return BLUE_BBG; case 8: return CYAN_BBG; case 9: return GREEN_BBG; case 10: return MAGENTA_BBG; case 12: return RED_BBG; case 13: return YELLOW_BBG; default: return BLACK_BBG; } } /* Taken from Gary McNickel's WOTmud */ bool process_ansi_output(DESCRIPTOR_DATA * d) { CHAR_DATA *ch; char *counter; char output[MSL]; char temp[MSL]; char *work; bool success = TRUE; char *i; if (d == NULL) return FALSE; ch = (d->original ? d->original : d->character); memset(output, 0, MSL); counter = output; work = d->outbuf; while (*work != '\0' && (work - d->outbuf) < d->outtop) { if ((int) (counter - output) >= MSL - 32) { *counter++ = '\0'; if (!(success = write_to_descriptor(d, output, strlen(output)))) break; memset(output, 0, MSL); counter = output; } if (*work == ANSI_KEY) { work++; temp[0] = '\0'; if (DESC_FLAGGED(d, DESC_COLOUR) && (!ch || !IS_SET(ch->comm, COMM_NOCOLOUR))) { switch (*work) { case '\0': break; case ' ': sprintf(temp, "%c ", ANSI_KEY); break; case 'x': case 'X': strcpy(temp, color_default(ch)); break; case 'v': case 'V': strcpy(temp, C_REVERSE); break; case 'u': case 'U': strcpy(temp, C_UNDERSCORE); break; case 'f': case 'F': strcpy(temp, C_FLASH); break; case 'b': strcpy(temp, C_BLUE); break; case 'c': strcpy(temp, C_CYAN); break; case 'g': strcpy(temp, C_GREEN); break; case 'm': strcpy(temp, C_MAGENTA); break; case 'd': strcpy(temp, C_BLACK); break; case 'r': strcpy(temp, C_RED); break; case 'y': strcpy(temp, C_YELLOW); break; case 'w': strcpy(temp, C_WHITE); break; case 'B': strcpy(temp, CB_BLUE); break; case 'C': strcpy(temp, CB_CYAN); break; case 'G': strcpy(temp, CB_GREEN); break; case 'M': strcpy(temp, CB_MAGENTA); break; case 'D': strcpy(temp, CB_BLACK); break; case 'R': strcpy(temp, CB_RED); break; case 'W': strcpy(temp, CB_WHITE); break; case 'Y': strcpy(temp, CB_YELLOW); break; case '`': strcpy(temp, random_colour()); break; case '1': strcpy(temp, RED_BG); break; case '2': strcpy(temp, BLUE_BG); break; case '3': strcpy(temp, GREEN_BG); break; case '4': strcpy(temp, BLACK_BG); break; case '5': strcpy(temp, WHITE_BG); break; case '6': strcpy(temp, MAGENTA_BG); break; case '7': strcpy(temp, YELLOW_BG); break; case '8': strcpy(temp, CYAN_BG); break; case '!': strcpy(temp, RED_BBG); break; case '@': strcpy(temp, BLUE_BBG); break; case '#': strcpy(temp, GREEN_BBG); break; case '$': strcpy(temp, BLACK_BBG); break; case '%': strcpy(temp, WHITE_BBG); break; case '^': strcpy(temp, MAGENTA_BBG); break; case '&': strcpy(temp, YELLOW_BBG); break; case '*': strcpy(temp, CYAN_BBG); break; case '+': case '=': strcpy(temp, random_background()); break; case '-': sprintf(temp, "%c", C_TILDE); break; case 'P': case 'p': sprintf(temp, "%c", C_BEEP); break; case ANSI_KEY: sprintf(temp, "%c", ANSI_KEY); break; default: strcpy(temp, C_CLEAR); break; } } work++; i = temp; while ((*counter = *i) != '\0') ++counter, ++i; } /* Custom colour added by Markanth */ else if (*work == ANSI_CUSTOM) { int slot = 0; work++; while (*work != ANSI_END) { if (isdigit(*work)) slot = (slot * 10) + (*work - '0'); work++; } work++; temp[0] = '\0'; if (slot < 0 || slot >= MAX_CUSTOM_COLOUR) { bug("ansi_output: invalid custom color", 0); strcpy(temp, C_CLEAR); } else if (DESC_FLAGGED(d, DESC_COLOUR) && (!ch || !IS_SET(ch->comm, COMM_NOCOLOUR))) { strcpy(temp, char_colour(ch, slot)); } i = temp; while ((*counter = *i) != '\0') ++counter, ++i; } else *counter++ = *work++; } success = success && (write_to_descriptor(d, output, strlen(output))); d->outtop = 0; return success; } /* * Low level output function. */ bool process_output(DESCRIPTOR_DATA * d, bool fPrompt) { /* * Bust a prompt. */ if (!merc_down) { if (d->showstr_point) { char buf[MSL]; const char *ptr; int shown_lines = 0; int total_lines = 0; for (ptr = d->showstr_head; ptr != d->showstr_point; ptr++) if (*ptr == '\n') shown_lines++; total_lines = shown_lines; for (ptr = d->showstr_point; *ptr != '\0'; ptr++) if (*ptr == '\n') total_lines++; sprintf(buf, "\n\r(%d%%) Please type (H)elp, (R)efresh, (B)ack, or (C)ontinue or hit ENTER.\n\r", 100 * shown_lines / total_lines); write_to_buffer(d, buf, 0); } else if (fPrompt && d->pString && d->connected == CON_PLAYING) write_to_buffer(d, "> ", 2); else if (fPrompt && d->connected == CON_NOTE_TEXT) write_to_buffer(d, "> ", 2); else if (fPrompt && d->connected == CON_PLAYING) { CHAR_DATA *ch; CHAR_DATA *victim; ch = d->character; /* battle prompt */ if ((victim = ch->fighting) != NULL && can_see(ch, victim)) { int percent; char wound[100]; char buf[MAX_STRING_LENGTH]; 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]); write_to_buffer(d, buf, 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); } else if (IS_SET(ch->comm, COMM_TELNET_EOR)) { char eor_str[] = { IAC, EOR, '\0' }; write_to_buffer(d, eor_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. */ return process_ansi_output(d); } /* * 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 doors[MAX_INPUT_LENGTH]; EXIT_DATA *pexit; bool found; const char *dir_letter[] = { "N", "E", "S", "W", "U", "D" }; int door; point = buf; str = ch->prompt; if (str == NULL || str[0] == '\0') { chprintlnf(ch, "<%ldhp %ldm %ldmv> %s", ch->hit, ch->mana, ch->move, ch->prefix); return; } if (IS_SET(ch->comm, COMM_AFK)) { chprint(ch, "<AFK> "); return; } 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))) && !IS_SET(pexit->exit_info, EX_CLOSED)) { found = TRUE; strcat(doors, dir_letter[door]); } } 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 'x': sprintf(buf2, "%d", ch->exp); i = buf2; break; case 'X': sprintf(buf2, "%d", 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 's': sprintf(buf2, "%ld", ch->silver); 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 'Q': if (ON_GQUEST(ch)) sprintf(buf2, "%d", gquest_info.timer); else sprintf(buf2, "%dn", gquest_info.next); 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 'q': if (!IS_NPC(ch)) { if (!IS_SET(ch->act, PLR_QUESTOR)) sprintf(buf2, "%d", ch->pcdata->nextquest); else sprintf(buf2, "%d", ch->pcdata->countdown); } else strcpy(buf2, " "); i = buf2; break; } ++str; while ((*point = *i) != '\0') ++point, ++i; } write_to_buffer(ch->desc, buf, point - buf); 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, int length) { /* * Find length in case caller didn't. */ if (length <= 0) length = strlen(txt); /* * Initial \n\r if needed. */ if (d->outtop == 0 && !d->fcommand) { d->outbuf[0] = '\n'; d->outbuf[1] = '\r'; d->outtop = 2; } /* * Expand the buffer as needed. */ while (d->outtop + length >= d->outsize) { char *outbuf; if (d->outsize >= 32000) { bug("Buffer overflow. Closing.\n\r", 0); close_socket(d); return; } alloc_mem(outbuf, char, 2 * d->outsize); strncpy(outbuf, d->outbuf, d->outtop); free_mem(d->outbuf); d->outbuf = outbuf; d->outsize *= 2; } /* * Copy. */ strncpy((char *) d->outbuf + d->outtop, txt, length); d->outtop += length; 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(DESCRIPTOR_DATA * d, char *txt, int length) { int iStart; int nWrite; int nBlock; if (length <= 0) length = strlen(txt); #if !defined(NO_MCCP) if (d->out_compress) return writeCompressed(d, txt, length); else #endif { for (iStart = 0; iStart < length; iStart += nWrite) { nBlock = UMIN(length - iStart, 4096); if ((nWrite = write(d->descriptor, txt + iStart, nBlock)) < 0) { perror("Write_to_descriptor"); return FALSE; } } return TRUE; } } /* * Parse a name for acceptability. */ bool check_parse_name(const char *name) { CLAN_DATA *clan; /* * Reserved words. */ if (is_exact_name (name, "all auto immortal self someone something the you loner none")) { return FALSE; } /* check clans */ for (clan = clan_first; clan; clan = clan->next) { if (LOWER(name[0]) == LOWER(clan->name[0]) && !str_cmp(name, clan->name)) return FALSE; } if (str_cmp(capitalize(name), "Alander") && (!str_prefix("Alan", name) || !str_suffix("Alander", name))) return FALSE; /* * Length restrictions. */ if (strlen(name) < 2) return FALSE; if (strlen(name) > 12) return FALSE; /* * Alphanumerics only. * Lock out IllIll twits. */ { const char *pc; bool fIll, adjcaps = FALSE, cleancaps = FALSE; unsigned int total_caps = 0; fIll = TRUE; for (pc = name; *pc != '\0'; pc++) { if (!isalpha(*pc)) return FALSE; if (isupper(*pc)) /* ugly anti-caps hack */ { if (adjcaps) cleancaps = TRUE; total_caps++; adjcaps = TRUE; } else adjcaps = FALSE; if (LOWER(*pc) != 'i' && LOWER(*pc) != 'l') fIll = FALSE; } if (fIll) return FALSE; if (cleancaps || (total_caps > (strlen(name)) / 2 && strlen(name) < 3)) return FALSE; } /* * Prevent players from naming themselves after mobs. */ { MOB_INDEX_DATA *pMobIndex; int iHash; for (iHash = 0; iHash < MAX_KEY_HASH; iHash++) { for (pMobIndex = mob_index_hash[iHash]; pMobIndex != NULL; pMobIndex = pMobIndex->next) { if (is_name(name, pMobIndex->player_name)) return FALSE; } } } return TRUE; } /* * Look for link-dead player to reconnect. */ bool check_reconnect(DESCRIPTOR_DATA * d, const char *name, bool fConn) { CHAR_DATA *ch; for (ch = char_first; 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; chprintln(ch, "Reconnecting. Type replay to see missed tells."); 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 $S link.", ch, NULL, WIZ_LINKS, 0, 0); d->connected = CON_PLAYING; /* Inform the character of a note in progress and the possbility * of continuation! */ if (ch->pcdata->in_progress) chprintln(ch, "You have a note in progress. Type NOTE WRITE to continue it."); } return TRUE; } } return FALSE; } /* * Check if already playing. */ bool check_playing(DESCRIPTOR_DATA * d, const char *name) { DESCRIPTOR_DATA *dold; for (dold = descriptor_first; dold; dold = dold->next) { if (dold != d && dold->character != NULL && dold->connected != CON_GET_NAME && dold->connected != CON_GET_OLD_PASSWORD && !str_cmp(name, dold->original ? dold->original->name : dold->character-> name)) { write_to_buffer(d, "That character is already playing.\n\r", 0); write_to_buffer(d, "Do you wish to connect anyway (Y/N)?", 0); d->connected = CON_BREAK_CONNECT; return TRUE; } } return FALSE; } void stop_idling(CHAR_DATA * ch) { if (ch == NULL || ch->desc == NULL || ch->desc->connected != CON_PLAYING || ch->was_in_room == NULL || ch->in_room != get_room_index(ROOM_VNUM_LIMBO)) return; ch->timer = 0; char_from_room(ch); char_to_room(ch, ch->was_in_room); ch->was_in_room = NULL; act("$n has returned from the void.", ch, NULL, NULL, TO_ROOM); return; } /* * Write to one char. */ void chprint(CHAR_DATA * ch, const char *txt) { if (txt != NULL && ch && ch->desc != NULL) write_to_buffer(ch->desc, txt, strlen(txt)); return; } void chprintln(CHAR_DATA * ch, const char *txt) { if (ch && ch->desc != NULL) { if (txt != NULL) write_to_buffer(ch->desc, txt, strlen(txt)); write_to_buffer(ch->desc, "\n\r", 2); } return; } /* * Send a page to one char. */ void page_to_char(const char *txt, CHAR_DATA * ch) { if (txt == NULL || ch->desc == NULL) return; if (ch->lines == 0) { chprint(ch, txt); return; } alloc_mem(ch->desc->showstr_head, char, strlen(txt) + 1); strcpy((char *) ch->desc->showstr_head, txt); ch->desc->showstr_point = ch->desc->showstr_head; show_string(ch->desc, ""); } /* string pager */ void show_string(struct descriptor_data *d, char *input) { char buffer[MAX_STRING_LENGTH * 3]; char buf[MAX_INPUT_LENGTH]; register const char *scan; register char *scan2; register const char *chk; int lines = 0; int toggle = 1; one_argument(input, buf); switch (UPPER(buf[0])) { case '\0': case 'C': lines = 0; break; case 'R': /* refresh current page of text */ lines = -1 - (d->character->lines); break; case 'B': /* scroll back a page of text */ lines = -(2 * (int) d->character->lines); break; case '?': case 'H': /* Show some help */ write_to_buffer(d, "Pager help:\n\r" "C or Enter next page\n\r" "R refresh this page\n\r", 0); write_to_buffer(d, "B previous page\n\r" "H or ? help\n\r" "Any other keys exit.\n\r", 0); return; default: /*otherwise, stop the text viewing */ if (d->showstr_head) { replace_string(d->showstr_head, ""); } d->showstr_point = NULL; return; } /* do any backing up necessary */ if (lines < 0) { for (scan = d->showstr_point; scan > d->showstr_head; scan--) if ((*scan == '\n') || (*scan == '\r')) { toggle = -toggle; if (toggle < 0) if (!(++lines)) break; } d->showstr_point = scan; } /* show a chunk */ lines = 0; toggle = 1; for (scan2 = buffer;; scan2++, d->showstr_point++) if (((*scan2 = *d->showstr_point) == '\n' || *scan2 == '\r') && (toggle = -toggle) < 0) lines++; else if (!*scan2 || (d->character && !IS_NPC(d->character) && lines >= (int) d->character->lines)) { *scan2 = '\0'; write_to_buffer(d, buffer, strlen(buffer)); /* See if this is the end (or near the end) of the string */ for (chk = d->showstr_point; isspace(*chk); chk++); if (!*chk) { if (d->showstr_head) { replace_string(d->showstr_head, ""); } d->showstr_point = 0; } return; } return; } char *fname(const char *namelist) { static char holder[256]; char *point; for (point = holder; isalpha(*namelist); namelist++, point++) *point = *namelist; *point = '\0'; return (holder); } void perform_act(const char *orig, CHAR_DATA * ch, const void *arg1, const void *arg2, flag_t type, CHAR_DATA * to) { 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 *vch = (CHAR_DATA *) arg2; OBJ_DATA *obj1 = (OBJ_DATA *) arg1; OBJ_DATA *obj2 = (OBJ_DATA *) arg2; const char *str, *i = NULL; char *point; char buf[MSL]; point = buf; str = orig; while (*str != '\0') { if (*str != '$') { *point++ = *str++; continue; } ++str; i = "<@@@>"; if (!arg2 && *str >= 'A' && *str <= 'Z') { logf("perform_act:missing arg2 for code %d.", *str); i = " <@@@> "; } else { switch (*str) { default: logf("perform_act:bad code %c.", *str); i = " <@@@> "; break; case '$': i = "$"; break; case 't': if (arg1) { if (IS_SET(type, TO_DAMAGE) && (IS_NPC(to) || !IS_SET(to->act, PLR_AUTODAMAGE))) i = &str_empty[0]; else i = (const char *) arg1; } else log_string("perform_act:bad code $t for 'arg1'"); break; case 'T': if (arg2) i = (const char *) arg2; else log_string("perform_act:bad code $T for 'arg2'"); break; case 'n': if (ch && to) i = PERS(ch, to); else log_string("perform_act:bad code $n for 'ch' or 'to'"); break; case 'N': if (vch && to) i = PERS(vch, to); else log_string("perform_act:bad code $N for 'ch' or 'to'"); break; case 'e': if (ch) i = he_she[URANGE(0, ch->sex, 2)]; else log_string("perform_act:bad code $e for 'ch'"); break; case 'E': if (vch) i = he_she[URANGE(0, vch->sex, 2)]; else log_string("perform_act:bad code $E for 'vch'"); break; case 'm': if (ch) i = him_her[URANGE(0, ch->sex, 2)]; else log_string("perform_act:bad code $m for 'ch'"); break; case 'M': if (vch) i = him_her[URANGE(0, vch->sex, 2)]; else log_string("perform_act:bad code $M for 'vch'"); break; case 's': if (ch) i = his_her[URANGE(0, ch->sex, 2)]; else log_string("perform_act:bad code $s for 'ch'"); break; case 'S': if (vch) i = his_her[URANGE(0, vch->sex, 2)]; else log_string("perform_act:bad code $S for 'vch'"); break; case 'g': if (ch && ch->deity != NULL) i = ch->deity->name; else log_string("perform_act:bad code $g for 'ch'"); break; case 'G': if (vch && vch->deity != NULL) i = vch->deity->name; else log_string("perform_act:bad code $G for 'vch'"); break; case 'c': if (ch && ch->clan != NULL) i = ch->clan->name; else log_string("perform_act:bad code $c for 'ch'"); break; case 'C': if (vch && vch->clan != NULL) i = vch->clan->name; else log_string("perform_act:bad code $C for 'vch'"); break; case 'o': if (to && obj1) i = can_see_obj(to, obj1) ? fname(obj1->name) : "something"; else log_string("perform_act:bad code $o for 'to' and 'obj1'"); break; case 'O': if (to && obj2) i = can_see_obj(to, obj2) ? fname(obj2->name) : "something"; else log_string("perform_act:bad code $O for 'to' and 'obj2'"); break; case 'p': if (to && obj1) i = can_see_obj(to, obj1) ? obj1->short_descr : "something"; else log_string("perform_act:bad code $p for 'to' and 'obj1'"); break; case 'P': if (to && obj2) i = can_see_obj(to, obj2) ? obj2->short_descr : "something"; else log_string("perform_act:bad code $P for 'to' and 'obj2'"); break; case 'd': if (arg2 == NULL || ((const char *) arg2)[0] == '\0') { i = "door"; } else { char name[MIL]; one_argument((const char *) arg2, name); i = name; } break; } } ++str; while ((*point = *i) != '\0') ++point, ++i; } *point++ = '{'; *point++ = 'x'; *point++ = '\n'; *point++ = '\r'; *point = '\0'; buf[0] = UPPER(buf[0]); if (to->desc) { if (to->desc->connected == CON_PLAYING) write_to_buffer(to->desc, buf, point - buf); } else if (IS_NPC(to) && MOBtrigger && HAS_TRIGGER_MOB(to, TRIG_ACT)) p_act_trigger(buf, to, NULL, NULL, ch, arg1, arg2, TRIG_ACT); if (ch && ch->in_room && IS_SET(type, TO_ROOM | TO_NOTVICT)) { OBJ_DATA *obj, *obj_next; CHAR_DATA *tch, *tch_next; point = buf; str = orig; while (*str != '\0') { *point++ = *str++; } *point = '\0'; for (obj = ch->in_room->first_content; obj; obj = obj_next) { obj_next = obj->next_content; if (HAS_TRIGGER_OBJ(obj, TRIG_ACT)) p_act_trigger(buf, NULL, obj, NULL, ch, NULL, NULL, TRIG_ACT); } for (tch = ch; tch; tch = tch_next) { tch_next = tch->next_in_room; for (obj = tch->first_carrying; obj; obj = obj_next) { obj_next = obj->next_content; if (HAS_TRIGGER_OBJ(obj, TRIG_ACT)) p_act_trigger(buf, NULL, obj, NULL, ch, NULL, NULL, TRIG_ACT); } } if (HAS_TRIGGER_ROOM(ch->in_room, TRIG_ACT)) p_act_trigger(buf, NULL, NULL, ch->in_room, ch, NULL, NULL, TRIG_ACT); } return; } const char *perform_act_string(const char *orig, CHAR_DATA * ch, const void *arg1, const void *arg2, bool cReturn) { static char *const he_she[] = { "it", "he", "she" }; static char *const him_her[] = { "it", "him", "her" }; static char *const his_her[] = { "its", "his", "her" }; CHAR_DATA *vch = (CHAR_DATA *) arg2; OBJ_DATA *obj1 = (OBJ_DATA *) arg1; OBJ_DATA *obj2 = (OBJ_DATA *) arg2; const char *str, *i = NULL; char *point; static char buf[MSL]; point = buf; str = orig; while (*str != '\0') { if (*str != '$') { *point++ = *str++; continue; } ++str; i = "<@@@>"; if (!arg2 && *str >= 'A' && *str <= 'Z') { logf("perform_act:missing arg2 for code %d.", *str); i = " <@@@> "; } else { switch (*str) { default: logf("perform_act:bad code %c.", *str); i = " <@@@> "; break; case '$': i = "$"; break; case 't': if (arg1) { i = (const char *) arg1; } else log_string("perform_act:bad code $t for 'arg1'"); break; case 'T': if (arg2) i = (const char *) arg2; else log_string("perform_act:bad code $T for 'arg2'"); break; case 'n': if (ch) i = IS_NPC(ch) ? ch->short_descr : ch->name; else log_string("perform_act:bad code $n for 'ch'"); break; case 'N': if (vch) i = IS_NPC(vch) ? vch->short_descr : vch->name; else log_string("perform_act:bad code $N for 'vch'"); break; case 'e': if (ch) i = he_she[URANGE(0, ch->sex, 2)]; else log_string("perform_act:bad code $e for 'ch'"); break; case 'E': if (vch) i = he_she[URANGE(0, vch->sex, 2)]; else log_string("perform_act:bad code $E for 'vch'"); break; case 'm': if (ch) i = him_her[URANGE(0, ch->sex, 2)]; else log_string("perform_act:bad code $m for 'ch'"); break; case 'M': if (vch) i = him_her[URANGE(0, vch->sex, 2)]; else log_string("perform_act:bad code $M for 'vch'"); break; case 's': if (ch) i = his_her[URANGE(0, ch->sex, 2)]; else log_string("perform_act:bad code $s for 'ch'"); break; case 'S': if (vch) i = his_her[URANGE(0, vch->sex, 2)]; else log_string("perform_act:bad code $S for 'vch'"); break; case 'g': if (ch && ch->deity != NULL) i = ch->deity->name; else log_string("perform_act:bad code $g for 'ch'"); break; case 'G': if (vch && vch->deity != NULL) i = vch->deity->name; else log_string("perform_act:bad code $G for 'vch'"); break; case 'c': if (ch && ch->clan != NULL) i = ch->clan->name; else log_string("perform_act:bad code $c for 'ch'"); break; case 'C': if (vch && vch->clan != NULL) i = vch->clan->name; else log_string("perform_act:bad code $C for 'vch'"); break; case 'o': if (obj1) i = fname(obj1->name); else log_string("perform_act:bad code $o for 'to' and 'obj1'"); break; case 'O': if (obj2) i = fname(obj2->name); else log_string("perform_act:bad code $O for 'obj2'"); break; case 'p': if (obj1) i = obj1->short_descr; else log_string("perform_act:bad code $p for 'obj1'"); break; case 'P': if (obj2) i = obj2->short_descr; else log_string("perform_act:bad code $P for 'obj2'"); break; case 'd': if (arg2 == NULL || ((const char *) arg2)[0] == '\0') { i = "door"; } else { char name[MIL]; one_argument((const char *) arg2, name); i = name; } break; } } ++str; while ((*point = *i) != '\0') ++point, ++i; } *point++ = '{'; *point++ = 'x'; if (cReturn) { *point++ = '\n'; *point++ = '\r'; } *point = '\0'; buf[0] = UPPER(buf[0]); return buf; } #define SENDOK(ch, type) ((IS_NPC(ch) || ((ch)->desc && (ch->desc->connected == CON_PLAYING))) \ && ((ch)->position >= min_pos)) void act_new(const char *format, CHAR_DATA * ch, const void *arg1, const void *arg2, flag_t type, int min_pos) { DESCRIPTOR_DATA *d; ROOM_INDEX_DATA *room; CHAR_DATA *to = (CHAR_DATA *) arg2; if (!format || !*format) return; if (IS_SET(type, TO_CHAR)) { if (ch && SENDOK(ch, type)) perform_act(format, ch, arg1, arg2, type, ch); } if (IS_SET(type, TO_VICT)) { if (to && SENDOK(to, type) && to != ch) perform_act(format, ch, arg1, arg2, type, to); } if (IS_SET(type, TO_ZONE | TO_ALL)) { for (d = descriptor_first; d; d = d->next) { CHAR_DATA *vch = CH(d); if (vch && SENDOK(vch, type) && (vch != ch) && ((IS_SET (type, TO_ALL) || (vch->in_room && vch->in_room->area == ch->in_room->area)))) perform_act(format, ch, arg1, arg2, type, vch); } } if (IS_SET(type, TO_ROOM | TO_NOTVICT)) { OBJ_DATA *obj1 = (OBJ_DATA *) arg1; OBJ_DATA *obj2 = (OBJ_DATA *) arg2; if (ch && ch->in_room != NULL) room = ch->in_room; else if (obj1 && obj1->in_room != NULL) room = obj1->in_room; else if (obj2 && obj2->in_room != NULL) room = obj2->in_room; else { bugf("no valid target '%s'", format); return; } for (to = room->first_person; to; to = to->next_in_room) { if (SENDOK(to, type) && (to != ch) && (IS_SET(type, TO_ROOM) || (to != (CHAR_DATA *) arg2))) perform_act(format, ch, arg1, arg2, type, to); } } return; } /* source: EOD, by John Booth <???> */ void chprintf(CHAR_DATA * ch, char *fmt, ...) { char buf[MAX_STRING_LENGTH]; va_list args; va_start(args, fmt); vsprintf(buf, fmt, args); va_end(args); chprint(ch, buf); } void chprintlnf(CHAR_DATA * ch, char *fmt, ...) { char buf[MAX_STRING_LENGTH]; va_list args; va_start(args, fmt); vsprintf(buf, fmt, args); va_end(args); chprintln(ch, buf); } void bugf(char *fmt, ...) { char buf[2 * MSL]; va_list args; va_start(args, fmt); vsprintf(buf, fmt, args); va_end(args); bug(buf, 0); } void logf(char *fmt, ...) { char buf[2 * MSL]; va_list args; va_start(args, fmt); vsprintf(buf, fmt, args); va_end(args); log_string(buf); } #if !defined(WIN32) #define CORE_EXAMINE_SCRIPT "../corefiles/gdbscript" void halt_mud(int sig) { DESCRIPTOR_DATA *d; CHAR_DATA *ch; extern char last_command2[MAX_INPUT_LENGTH]; extern DESCRIPTOR_DATA *last_descriptor; struct sigaction default_action; int i; pid_t forkpid; wait(NULL); if (!crashed) { crashed++; logf("GAME CRASHED (SIGNAL %d).\nLast command: %s", sig, last_command); // Inform last command typer that he caused the crash if (strlen(last_command2)) { write_to_descriptor(last_descriptor, "\n\rThe last command you typed, '", 0); write_to_descriptor(last_descriptor, last_command2, 0); write_to_descriptor(last_descriptor, "', might have caused this crash.\n\r" "Please note any unusual circumstances to IMP and avoid using that command.\n\r", 0); } for (d = descriptor_first; d != NULL; d = d_next) { d_next = d->next; ch = CH(d); if (!ch) { close_socket(d); continue; } if (IS_NPC(ch)) continue; write_to_descriptor(d, "\n\rThe mud has CRASHED.\007\n\r", 0); } // try to save all characters - save_char_obj has sanity checking for (d = descriptor_first; d != NULL; d = d_next) { d_next = d->next; ch = CH(d); if (!ch) { close_socket(d); continue; } save_char_obj(ch); } // success - proceed with fork/copyover plan. Otherwise will go to // next section and crash with a full reboot to recover if ((forkpid = fork()) > 0) { // Parent process copyover and exit waitpid(forkpid, NULL, WNOHANG | WUNTRACED); // this requires you to add an "if (ch)" before the chprint // statements in do_copyover. do_copyover(NULL, ""); exit(0); } else if (forkpid < 0) { exit(1); } // Child process proceed to dump // Close all files! for (i = 255; i >= 0; i--) close(i); // Dup /dev/null to STD{IN,OUT,ERR} open("/dev/null", O_RDWR); dup(0); dup(0); default_action.sa_handler = SIG_DFL; sigaction(sig, &default_action, NULL); // I run different scripts depending on my port if (!fork()) { execl(CORE_EXAMINE_SCRIPT, CORE_EXAMINE_SCRIPT, (char *) NULL); exit(0); } else return; raise(sig); } if (crashed == 1) { crashed++; for (d = descriptor_first; d != NULL; d = d_next) { d_next = d->next; ch = d->original ? d->original : d->character; if (ch == NULL) { close_socket(d); continue; } if (IS_NPC(ch)) continue; write_to_descriptor(d, "** Error saving character files; conducting full reboot. **\007\n\r", 0); close_socket(d); continue; } log_string("CHARACTERS NOT SAVED."); default_action.sa_handler = SIG_DFL; sigaction(sig, &default_action, NULL); if (!fork()) { kill(getppid(), sig); exit(1); } else return; raise(sig); } if (crashed == 2) { crashed++; log_string("TOTAL GAME CRASH."); default_action.sa_handler = SIG_DFL; sigaction(sig, &default_action, NULL); if (!fork()) { kill(getppid(), sig); exit(1); } else return; raise(sig); } if (crashed == 3) { default_action.sa_handler = SIG_DFL; sigaction(sig, &default_action, NULL); if (!fork()) { kill(getppid(), sig); exit(1); } else return; raise(sig); } } #endif void set_game_levels(int Old, int New) { CMD_DATA *cmd; HELP_DATA *pHelp; OBJ_INDEX_DATA *pObj; MOB_INDEX_DATA *pMob; BAN_DATA *ban; DISABLED_DATA *d; MBR_DATA *mbr; int hash, sn, x; int diff = MAX_LEVEL - LEVEL_IMMORTAL; int imm_level = Old - diff; int mod = New - Old; logf("Old Imm Level = %d, Old Max Level = %d.", imm_level, Old); logf("New Imm Level = %d, New Max Level = %d.", New - diff, New); for (cmd = cmd_first; cmd; cmd = cmd->next) { if (cmd->level >= imm_level) cmd->level += mod; } save_commands(); for (pHelp = help_first; pHelp; pHelp = pHelp->next) { if (pHelp->level >= imm_level) pHelp->level += mod; } save_helps(); for (hash = 0; hash < MAX_KEY_HASH; hash++) { for (pMob = mob_index_hash[hash]; pMob; pMob = pMob->next) { if (pMob->level >= imm_level) { pMob->level += mod; SET_BIT(pMob->area->area_flags, AREA_CHANGED); } } for (pObj = obj_index_hash[hash]; pObj; pObj = pObj->next) { if (pObj->level >= imm_level) { pObj->level += mod; SET_BIT(pObj->area->area_flags, AREA_CHANGED); } } } do_asave(NULL, "changed"); for (ban = ban_first; ban; ban = ban->next) { if (ban->level >= imm_level) ban->level += mod; } save_bans(); for (d = disabled_first; d; d = d->next) { if (d->level >= imm_level) d->level += mod; } save_disabled(); for (sn = 0; sn < maxSkill; sn++) { for (x = 0; x < maxClass; x++) { if (skill_table[sn].skill_level[x] >= imm_level) skill_table[sn].skill_level[x] += mod; } } save_skills(); for (mbr = mbr_first; mbr; mbr = mbr->next) { if (mbr->level >= imm_level) mbr->level += mod; } save_members(); }