/*************************************************************************** * 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 1993-1998 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 * ***************************************************************************/ /* * 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" #include "winstuff.h" /* * Malloc debugging stuff. */ #if defined(sun) #undef MALLOC_DEBUG #endif #if defined(MALLOC_DEBUG) #include <malloc.h> extern int malloc_debug args ( ( int ) ); extern int malloc_verify args ( ( void ) ); #endif /* * Signal handling. * Apollo has a problem with __attribute(atomic) in signal.h, * I dance around it. */ #if defined(apollo) #define __attribute(x) #endif #if defined(unix) #include <signal.h> #endif #if defined(apollo) #undef __attribute #endif #include <fcntl.h> #if !defined(WIN32) #include <netdb.h> #include <netinet/in.h> #include <sys/socket.h> #endif #include "telnet.h" const char echo_off_str[] = { IAC, WILL, TELOPT_ECHO, '\0' }; const char echo_on_str[] = { IAC, WONT, TELOPT_ECHO, '\0' }; const char go_ahead_str[] = { IAC, GA, '\0' }; /* * OS-dependent declarations. */ #if defined(_AIX) #include <sys/select.h> int accept args ( ( int s, struct sockaddr * addr, int *addrlen ) ); int bind args ( ( int s, struct sockaddr * name, int namelen ) ); void bzero args ( ( char *b, int length ) ); int getpeername args ( ( int s, struct sockaddr * name, int *namelen ) ); int getsockname args ( ( int s, struct sockaddr * name, int *namelen ) ); int gettimeofday args ( ( struct timeval * tp, struct timezone * tzp ) ); int listen args ( ( int s, int backlog ) ); int setsockopt args ( ( int s, int level, int optname, void *optval, int optlen ) ); int socket args ( ( int domain, int type, int protocol ) ); #endif #if defined(apollo) #include <unistd.h> void bzero args ( ( char *b, int length ) ); #endif #if defined(__hpux) int accept args ( ( int s, void *addr, int *addrlen ) ); int bind args ( ( int s, const void *addr, int addrlen ) ); void bzero args ( ( char *b, int length ) ); int getpeername args ( ( int s, void *addr, int *addrlen ) ); int getsockname args ( ( int s, void *name, int *addrlen ) ); int gettimeofday args ( ( struct timeval * tp, struct timezone * tzp ) ); int listen args ( ( int s, int backlog ) ); int setsockopt args ( ( int s, int level, int optname, const void *optval, int optlen ) ); int socket args ( ( int domain, int type, int protocol ) ); #endif #if defined(interactive) #include <net/errno.h> #include <sys/fnctl.h> #endif #if defined(MIPS_OS) extern int errno; #endif #if defined(NeXT) int close args ( ( int fd ) ); int fcntl args ( ( int fd, int cmd, int arg ) ); #if !defined(htons) u_short htons args ( ( u_short hostshort ) ); #endif #if !defined(ntohl) u_long ntohl args ( ( u_long hostlong ) ); #endif int read args ( ( int fd, char *buf, int nbyte ) ); int select args ( ( int width, fd_set * readfds, fd_set * writefds, fd_set * exceptfds, struct timeval * timeout ) ); int write args ( ( int fd, char *buf, int nbyte ) ); #endif #if defined(sequent) int accept args ( ( int s, struct sockaddr * addr, int *addrlen ) ); int bind args ( ( int s, struct sockaddr * name, int namelen ) ); int close args ( ( int fd ) ); int fcntl args ( ( int fd, int cmd, int arg ) ); int getpeername args ( ( int s, struct sockaddr * name, int *namelen ) ); int getsockname args ( ( int s, struct sockaddr * name, int *namelen ) ); int gettimeofday args ( ( struct timeval * tp, struct timezone * tzp ) ); #if !defined(htons) u_short htons args ( ( u_short hostshort ) ); #endif int listen args ( ( int s, int backlog ) ); #if !defined(ntohl) u_long ntohl args ( ( u_long hostlong ) ); #endif int read args ( ( int fd, char *buf, int nbyte ) ); int select args ( ( int width, fd_set * readfds, fd_set * writefds, fd_set * exceptfds, struct timeval * timeout ) ); int setsockopt args ( ( int s, int level, int optname, caddr_t optval, int optlen ) ); int socket args ( ( int domain, int type, int protocol ) ); int write args ( ( int fd, char *buf, int nbyte ) ); #endif /* This includes Solaris Sys V as well */ #if defined(sun) int accept args ( ( int s, struct sockaddr * addr, int *addrlen ) ); int bind args ( ( int s, struct sockaddr * name, int namelen ) ); void bzero args ( ( char *b, int length ) ); int close args ( ( int fd ) ); int getpeername args ( ( int s, struct sockaddr * name, int *namelen ) ); int getsockname args ( ( int s, struct sockaddr * name, int *namelen ) ); int listen args ( ( int s, int backlog ) ); int read args ( ( int fd, char *buf, int nbyte ) ); int select args ( ( int width, fd_set * readfds, fd_set * writefds, fd_set * exceptfds, struct timeval * timeout ) ); #if !defined(__SVR4) int gettimeofday args ( ( struct timeval * tp, struct timezone * tzp ) ); #if defined(SYSV) int setsockopt args ( ( int s, int level, int optname, const char *optval, int optlen ) ); #else int setsockopt args ( ( int s, int level, int optname, void *optval, int optlen ) ); #endif #endif int socket args ( ( int domain, int type, int protocol ) ); int write args ( ( int fd, char *buf, int nbyte ) ); #endif #if defined(ultrix) int accept args ( ( int s, struct sockaddr * addr, int *addrlen ) ); int bind args ( ( int s, struct sockaddr * name, int namelen ) ); void bzero args ( ( char *b, int length ) ); int close args ( ( int fd ) ); int getpeername args ( ( int s, struct sockaddr * name, int *namelen ) ); int getsockname args ( ( int s, struct sockaddr * name, int *namelen ) ); int gettimeofday args ( ( struct timeval * tp, struct timezone * tzp ) ); int listen args ( ( int s, int backlog ) ); int read args ( ( int fd, char *buf, int nbyte ) ); int select args ( ( int width, fd_set * readfds, fd_set * writefds, fd_set * exceptfds, struct timeval * timeout ) ); int setsockopt args ( ( int s, int level, int optname, void *optval, int optlen ) ); int socket args ( ( int domain, int type, int protocol ) ); int write args ( ( int fd, char *buf, int nbyte ) ); #endif /* * 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 */ bool wizlock; /* Game is wizlocked */ 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; /* Global variable */ #if !defined(WIN32) volatile sig_atomic_t crashed = 0; /* Are we currently crashing? */ #endif #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 ) ); bool write_to_descriptor args ( ( int desc, char *txt, int length ) ); void halt_mud args ( ( int sig ) ); /* * Other local functions (OS-independent). */ bool check_parse_name args ( ( char *name ) ); bool check_reconnect args ( ( DESCRIPTOR_DATA * d, char *name, bool fConn ) ); bool check_playing args ( ( DESCRIPTOR_DATA * d, char *name ) ); int main args ( ( int argc, char **argv ) ); void nanny args ( ( DESCRIPTOR_DATA * d, 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 ) ); #if !defined(WIN32) // 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 ); fprintf ( stderr, "TOCK!\n\r" ); if ( ( ptm - current_time ) > 240 ) { fprintf ( stderr, "Looping - Last Command: %s\r", last_command ); // this requires you to add an "if (ch)" before the send_to_char // statements in do_copyover. do_copyover ( NULL, "" ); exit ( 1 ); } alarm ( 300 ); } #endif #if defined(WIN32) 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; bool fCopyOver = FALSE; #if !defined(WIN32) 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 ( 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 /* * Memory debugging if needed. */ #if defined(MALLOC_DEBUG) malloc_debug ( 2 ); #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 ( !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 ( ); sprintf ( log_buf, "ROM is ready to rock on port %d.", port ); log_string ( log_buf ); if ( fCopyOver ) copyover_recover ( ); game_loop ( control ); 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 char *help_greeting; if ( help_greeting[0] == '.' ) write_to_buffer ( dnew, help_greeting + 1, 0 ); else write_to_buffer ( dnew, help_greeting, 0 ); } void game_loop ( int ctrl ) { static struct timeval null_time; struct timeval last_time; #if !defined(WIN32) signal ( SIGPIPE, 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; #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 ( ctrl, &in_set ); maxdesc = ctrl; 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 ) { 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_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 ( !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 ( ); /* * 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 ) { if ( errno != EINTR ) { perror ( "Game_loop: select: stall" ); exit ( 1 ); } } } } gettimeofday ( &last_time, NULL ); current_time = ( time_t ) last_time.tv_sec; } return; } void init_descriptor ( int ctrl ) { char buf[MAX_STRING_LENGTH]; DESCRIPTOR_DATA *dnew; struct sockaddr_in sock; struct hostent *from; int desc; int size; #if defined(WIN32) static unsigned long ARGP = 1; #endif size = sizeof ( sock ); #if defined(WIN32) getsockname ( ctrl, ( struct sockaddr * ) &sock, ( int * ) &size ); #else getsockname ( ctrl, ( struct sockaddr * ) &sock, ( socklen_t * ) & size ); #endif #if defined(WIN32) if ( ( desc = accept ( ctrl, ( struct sockaddr * ) &sock, ( int * ) &size ) ) < 0 ) #else if ( ( desc = accept ( ctrl, ( struct sockaddr * ) &sock, ( socklen_t * ) & size ) ) < 0 ) #endif { 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 defined(WIN32) if ( getpeername ( desc, ( struct sockaddr * ) &sock, ( int * ) &size ) < 0 ) #else if ( getpeername ( desc, ( struct sockaddr * ) &sock, ( socklen_t * ) & size ) < 0 ) #endif { 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 ( desc, "Your site has been banned from this mud.\n\r", 0 ); close ( desc ); free_descriptor ( dnew ); return; } /* * Init descriptor data. */ dnew->next = descriptor_list; descriptor_list = dnew; /* * Send the greeting. */ 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_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 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 ); } } 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 ) { uint 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 ); return FALSE; } /* Snarf input. */ 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 ( WOULD_HAVE_BLOCKED ) 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 ) { 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 ); /* 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] != '!' && strcmp ( 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->descriptor, "\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->descriptor, 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->descriptor, 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 ) 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; /* 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 ); } } /* * 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' ) { sprintf ( buf, "<%dhp %dm %dmv> %s", ch->hit, ch->mana, ch->move, ch->prefix ); chsend ( buf, ch ); return; } if ( IS_SET ( ch->comm, COMM_AFK ) ) { chsend ( "<AFK> ", ch ); 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, "%d", ch->hit ); i = buf2; break; case 'H': sprintf ( buf2, "%d", ch->max_hit ); i = buf2; break; case 'm': sprintf ( buf2, "%d", ch->mana ); i = buf2; break; case 'M': sprintf ( buf2, "%d", ch->max_mana ); i = buf2; break; case 'v': sprintf ( buf2, "%d", ch->move ); i = buf2; break; case 'V': sprintf ( buf2, "%d", 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 '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; } ++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; } outbuf = ( char * ) alloc_mem ( 2 * d->outsize ); strncpy ( outbuf, d->outbuf, d->outtop ); free_mem ( d->outbuf, d->outsize ); d->outbuf = outbuf; d->outsize *= 2; } /* * Copy. */ strncpy ( 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 ( int desc, char *txt, int length ) { 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; } /* * Deal with sockets that haven't logged in yet. */ void nanny ( DESCRIPTOR_DATA * d, char *argument ) { DESCRIPTOR_DATA *d_old, *pd_next; char buf[MAX_STRING_LENGTH]; char arg[MAX_INPUT_LENGTH]; CHAR_DATA *ch; char *pwdnew; char *p; int iClass, race, i, weapon; bool fOld; /* Delete leading spaces UNLESS character is writing a note */ if ( d->connected != CON_NOTE_TEXT ) { while ( isspace ( *argument ) ) argument++; } ch = d->character; switch ( d->connected ) { default: bug ( "Nanny: bad d->connected %d.", d->connected ); close_socket ( d ); return; case CON_GET_TERM: switch ( argument[0] ) { case 'y': case 'Y': SET_BIT ( d->desc_flags, DESC_COLOUR ); write_to_buffer ( d, "{cColour Enabled...{x\n\r", 0 ); break; case 'n': case 'N': REMOVE_BIT ( d->desc_flags, DESC_COLOUR ); write_to_buffer ( d, "Colour Disabled...\n\r", 0 ); break; case 't': case 'T': write_to_buffer ( d, "\n\rThis text should be " CB_GREEN "GREEN" C_CLEAR ".\n\rThis text should be " CB_RED "RED" C_CLEAR ".\n\r", 0 ); write_to_buffer ( d, "\n\rDid you see colour? (Y)es, (N)o, (T)est: ", 0 ); return; default: write_to_buffer ( d, "Please answer (Y)es, (N)o, (T)est: ", 0 ); return; } show_greeting ( d ); d->connected = CON_GET_NAME; break; case CON_GET_NAME: if ( argument[0] == '\0' ) { close_socket ( d ); return; } argument[0] = UPPER ( argument[0] ); if ( !check_parse_name ( argument ) ) { write_to_buffer ( d, "Illegal name, try another.\n\rName: ", 0 ); return; } fOld = load_char_obj ( d, argument ); ch = d->character; if ( IS_SET ( ch->act, PLR_DENY ) ) { sprintf ( log_buf, "Denying access to %s@%s.", argument, d->host ); log_string ( log_buf ); write_to_buffer ( d, "You are denied access.\n\r", 0 ); close_socket ( d ); return; } if ( check_ban ( d->host, BAN_PERMIT ) && !IS_SET ( ch->act, PLR_PERMIT ) ) { write_to_buffer ( d, "Your site has been banned from this mud.\n\r", 0 ); close_socket ( d ); return; } if ( check_reconnect ( d, argument, FALSE ) ) { fOld = TRUE; } else { if ( wizlock && !IS_IMMORTAL ( ch ) ) { write_to_buffer ( d, "The game is wizlocked.\n\r", 0 ); close_socket ( d ); return; } } if ( fOld ) { /* Old player */ write_to_buffer ( d, "Password: ", 0 ); write_to_buffer ( d, echo_off_str, 0 ); d->connected = CON_GET_OLD_PASSWORD; return; } else { /* New player */ if ( newlock ) { write_to_buffer ( d, "The game is newlocked.\n\r", 0 ); close_socket ( d ); return; } if ( check_ban ( d->host, BAN_NEWBIES ) ) { write_to_buffer ( d, "New players are not allowed from your site.\n\r", 0 ); close_socket ( d ); return; } sprintf ( buf, "Did I get that right, %s (Y/N)? ", argument ); write_to_buffer ( d, buf, 0 ); d->connected = CON_CONFIRM_NEW_NAME; return; } break; case CON_GET_OLD_PASSWORD: write_to_buffer ( d, "\n\r", 2 ); if ( strcmp ( crypt ( argument, ch->pcdata->pwd ), ch->pcdata->pwd ) ) { write_to_buffer ( d, "Wrong password.\n\r", 0 ); close_socket ( d ); return; } write_to_buffer ( d, echo_on_str, 0 ); if ( check_playing ( d, ch->name ) ) return; if ( check_reconnect ( d, ch->name, TRUE ) ) return; sprintf ( log_buf, "%s@%s has connected.", ch->name, d->host ); log_string ( log_buf ); wiznet ( log_buf, NULL, NULL, WIZ_SITES, 0, get_trust ( ch ) ); if ( IS_IMMORTAL ( ch ) ) { do_function ( ch, &do_help, "imotd" ); d->connected = CON_READ_IMOTD; } else { do_function ( ch, &do_help, "motd" ); d->connected = CON_READ_MOTD; } break; /* RT code for breaking link */ case CON_BREAK_CONNECT: switch ( *argument ) { case 'y': case 'Y': for ( d_old = descriptor_list; d_old != NULL; d_old = pd_next ) { pd_next = d_old->next; if ( d_old == d || d_old->character == NULL ) continue; if ( str_cmp ( ch->name, d_old->original ? d_old->original-> name : d_old->character->name ) ) continue; close_socket ( d_old ); } if ( check_reconnect ( d, ch->name, TRUE ) ) return; write_to_buffer ( d, "Reconnect attempt failed.\n\rName: ", 0 ); if ( d->character != NULL ) { free_char ( d->character ); d->character = NULL; } d->connected = CON_GET_NAME; break; case 'n': case 'N': write_to_buffer ( d, "Name: ", 0 ); if ( d->character != NULL ) { free_char ( d->character ); d->character = NULL; } d->connected = CON_GET_NAME; break; default: write_to_buffer ( d, "Please type Y or N? ", 0 ); break; } break; case CON_CONFIRM_NEW_NAME: switch ( *argument ) { case 'y': case 'Y': sprintf ( buf, "New character.\n\rGive me a password for %s: %s", ch->name, echo_off_str ); write_to_buffer ( d, buf, 0 ); d->connected = CON_GET_NEW_PASSWORD; break; case 'n': case 'N': write_to_buffer ( d, "Ok, what IS it, then? ", 0 ); free_char ( d->character ); d->character = NULL; d->connected = CON_GET_NAME; break; default: write_to_buffer ( d, "Please type Yes or No? ", 0 ); break; } break; case CON_GET_NEW_PASSWORD: write_to_buffer ( d, "\n\r", 2 ); if ( strlen ( argument ) < 5 ) { write_to_buffer ( d, "Password must be at least five characters long.\n\rPassword: ", 0 ); return; } pwdnew = crypt ( argument, ch->name ); for ( p = pwdnew; *p != '\0'; p++ ) { if ( *p == '~' ) { write_to_buffer ( d, "New password not acceptable, try again.\n\rPassword: ", 0 ); return; } } free_string ( ch->pcdata->pwd ); ch->pcdata->pwd = str_dup ( pwdnew ); write_to_buffer ( d, "Please retype password: ", 0 ); d->connected = CON_CONFIRM_NEW_PASSWORD; break; case CON_CONFIRM_NEW_PASSWORD: write_to_buffer ( d, "\n\r", 2 ); if ( strcmp ( crypt ( argument, ch->pcdata->pwd ), ch->pcdata->pwd ) ) { write_to_buffer ( d, "Passwords don't match.\n\rRetype password: ", 0 ); d->connected = CON_GET_NEW_PASSWORD; return; } write_to_buffer ( d, echo_on_str, 0 ); write_to_buffer ( d, "The following races are available:\n\r ", 0 ); for ( race = 1; race_table[race].name != NULL; race++ ) { if ( !race_table[race].pc_race ) break; write_to_buffer ( d, race_table[race].name, 0 ); write_to_buffer ( d, " ", 1 ); } write_to_buffer ( d, "\n\r", 0 ); write_to_buffer ( d, "What is your race (help for more information)? ", 0 ); d->connected = CON_GET_NEW_RACE; break; case CON_GET_NEW_RACE: one_argument ( argument, arg ); if ( !strcmp ( arg, "help" ) ) { argument = one_argument ( argument, arg ); if ( argument[0] == '\0' ) do_function ( ch, &do_help, "race help" ); else do_function ( ch, &do_help, argument ); write_to_buffer ( d, "What is your race (help for more information)? ", 0 ); break; } race = race_lookup ( argument ); if ( race == 0 || !race_table[race].pc_race ) { write_to_buffer ( d, "That is not a valid race.\n\r", 0 ); write_to_buffer ( d, "The following races are available:\n\r ", 0 ); for ( race = 1; race_table[race].name != NULL; race++ ) { if ( !race_table[race].pc_race ) break; write_to_buffer ( d, race_table[race].name, 0 ); write_to_buffer ( d, " ", 1 ); } write_to_buffer ( d, "\n\r", 0 ); write_to_buffer ( d, "What is your race? (help for more information) ", 0 ); break; } ch->race = race; /* initialize stats */ for ( i = 0; i < MAX_STATS; i++ ) ch->perm_stat[i] = pc_race_table[race].stats[i]; ch->affected_by = ch->affected_by | race_table[race].aff; ch->imm_flags = ch->imm_flags | race_table[race].imm; ch->res_flags = ch->res_flags | race_table[race].res; ch->vuln_flags = ch->vuln_flags | race_table[race].vuln; ch->form = race_table[race].form; ch->parts = race_table[race].parts; /* add skills */ for ( i = 0; i < 5; i++ ) { if ( pc_race_table[race].skills[i] == NULL ) break; group_add ( ch, pc_race_table[race].skills[i], FALSE ); } /* add cost */ ch->pcdata->points = pc_race_table[race].points; ch->size = pc_race_table[race].size; write_to_buffer ( d, "What is your sex (M/F)? ", 0 ); d->connected = CON_GET_NEW_SEX; break; case CON_GET_NEW_SEX: switch ( argument[0] ) { case 'm': case 'M': ch->sex = SEX_MALE; ch->pcdata->true_sex = SEX_MALE; break; case 'f': case 'F': ch->sex = SEX_FEMALE; ch->pcdata->true_sex = SEX_FEMALE; break; default: write_to_buffer ( d, "That's not a sex.\n\rWhat IS your sex? ", 0 ); return; } strcpy ( buf, "Select a class [" ); for ( iClass = 0; iClass < MAX_CLASS; iClass++ ) { if ( iClass > 0 ) strcat ( buf, " " ); strcat ( buf, class_table[iClass].name ); } strcat ( buf, "]: " ); write_to_buffer ( d, buf, 0 ); d->connected = CON_GET_NEW_CLASS; break; case CON_GET_NEW_CLASS: iClass = class_lookup ( argument ); if ( iClass == -1 ) { write_to_buffer ( d, "That's not a class.\n\rWhat IS your class? ", 0 ); return; } ch->Class = iClass; sprintf ( log_buf, "%s@%s new player.", ch->name, d->host ); log_string ( log_buf ); wiznet ( "Newbie alert! $N sighted.", ch, NULL, WIZ_NEWBIE, 0, 0 ); wiznet ( log_buf, NULL, NULL, WIZ_SITES, 0, get_trust ( ch ) ); write_to_buffer ( d, "\n\r", 2 ); write_to_buffer ( d, "You may be good, neutral, or evil.\n\r", 0 ); write_to_buffer ( d, "Which alignment (G/N/E)? ", 0 ); d->connected = CON_GET_ALIGNMENT; break; case CON_GET_ALIGNMENT: switch ( argument[0] ) { case 'g': case 'G': ch->alignment = 750; break; case 'n': case 'N': ch->alignment = 0; break; case 'e': case 'E': ch->alignment = -750; break; default: write_to_buffer ( d, "That's not a valid alignment.\n\r", 0 ); write_to_buffer ( d, "Which alignment (G/N/E)? ", 0 ); return; } write_to_buffer ( d, "\n\r", 0 ); group_add ( ch, "rom basics", FALSE ); group_add ( ch, class_table[ch->Class].base_group, FALSE ); ch->pcdata->learned[gsn_recall] = 50; write_to_buffer ( d, "Do you wish to customize this character?\n\r", 0 ); write_to_buffer ( d, "Customization takes time, but allows a wider range of skills and abilities.\n\r", 0 ); write_to_buffer ( d, "Customize (Y/N)? ", 0 ); d->connected = CON_DEFAULT_CHOICE; break; case CON_DEFAULT_CHOICE: write_to_buffer ( d, "\n\r", 2 ); switch ( argument[0] ) { case 'y': case 'Y': ch->gen_data = new_gen_data ( ); ch->gen_data->points_chosen = ch->pcdata->points; do_function ( ch, &do_help, "group header" ); list_group_costs ( ch ); write_to_buffer ( d, "You already have the following skills:\n\r", 0 ); do_function ( ch, &do_skills, "" ); do_function ( ch, &do_help, "menu choice" ); d->connected = CON_GEN_GROUPS; break; case 'n': case 'N': group_add ( ch, class_table[ch->Class].default_group, TRUE ); write_to_buffer ( d, "\n\r", 2 ); write_to_buffer ( d, "Please pick a weapon from the following choices:\n\r", 0 ); buf[0] = '\0'; for ( i = 0; weapon_table[i].name != NULL; i++ ) if ( ch->pcdata->learned[*weapon_table[i].gsn] > 0 ) { strcat ( buf, weapon_table[i].name ); strcat ( buf, " " ); } strcat ( buf, "\n\rYour choice? " ); write_to_buffer ( d, buf, 0 ); d->connected = CON_PICK_WEAPON; break; default: write_to_buffer ( d, "Please answer (Y/N)? ", 0 ); return; } break; case CON_PICK_WEAPON: write_to_buffer ( d, "\n\r", 2 ); weapon = weapon_lookup ( argument ); if ( weapon == -1 || ch->pcdata->learned[*weapon_table[weapon].gsn] <= 0 ) { write_to_buffer ( d, "That's not a valid selection. Choices are:\n\r", 0 ); buf[0] = '\0'; for ( i = 0; weapon_table[i].name != NULL; i++ ) if ( ch->pcdata->learned[*weapon_table[i].gsn] > 0 ) { strcat ( buf, weapon_table[i].name ); strcat ( buf, " " ); } strcat ( buf, "\n\rYour choice? " ); write_to_buffer ( d, buf, 0 ); return; } ch->pcdata->learned[*weapon_table[weapon].gsn] = 40; write_to_buffer ( d, "\n\r", 2 ); do_function ( ch, &do_help, "motd" ); d->connected = CON_READ_MOTD; break; case CON_GEN_GROUPS: chsend ( "\n\r", ch ); if ( !str_cmp ( argument, "done" ) ) { if ( ch->pcdata->points == pc_race_table[ch->race].points ) { chsend ( "You didn't pick anything.\n\r", ch ); break; } if ( ch->pcdata->points <= 40 + pc_race_table[ch->race].points ) { sprintf ( buf, "You must take at least %d points of skills and groups", 40 + pc_race_table[ch->race].points ); chsend ( buf, ch ); break; } sprintf ( buf, "Creation points: %d\n\r", ch->pcdata->points ); chsend ( buf, ch ); sprintf ( buf, "Experience per level: %d\n\r", exp_per_level ( ch, ch->gen_data->points_chosen ) ); if ( ch->pcdata->points < 40 ) ch->train = ( 40 - ch->pcdata->points + 1 ) / 2; free_gen_data ( ch->gen_data ); ch->gen_data = NULL; chsend ( buf, ch ); write_to_buffer ( d, "\n\r", 2 ); write_to_buffer ( d, "Please pick a weapon from the following choices:\n\r", 0 ); buf[0] = '\0'; for ( i = 0; weapon_table[i].name != NULL; i++ ) if ( ch->pcdata->learned[*weapon_table[i].gsn] > 0 ) { strcat ( buf, weapon_table[i].name ); strcat ( buf, " " ); } strcat ( buf, "\n\rYour choice? " ); write_to_buffer ( d, buf, 0 ); d->connected = CON_PICK_WEAPON; break; } if ( !parse_gen_groups ( ch, argument ) ) chsend ( "Choices are: list,learned,premise,add,drop,info,help, and done.\n\r", ch ); do_function ( ch, &do_help, "menu choice" ); break; case CON_READ_IMOTD: write_to_buffer ( d, "\n\r", 2 ); do_function ( ch, &do_help, "motd" ); d->connected = CON_READ_MOTD; break; /* states for new note system, (c)1995-96 erwin@andreasen.org */ /* ch MUST be PC here; have nwrite check for PC status! */ case CON_NOTE_TO: handle_con_note_to ( d, argument ); break; case CON_NOTE_SUBJECT: handle_con_note_subject ( d, argument ); break; /* subject */ case CON_NOTE_EXPIRE: handle_con_note_expire ( d, argument ); break; case CON_NOTE_TEXT: handle_con_note_text ( d, argument ); break; case CON_NOTE_FINISH: handle_con_note_finish ( d, argument ); break; case CON_READ_MOTD: if ( ch->pcdata == NULL || ch->pcdata->pwd[0] == '\0' ) { write_to_buffer ( d, "Warning! Null password!\n\r", 0 ); write_to_buffer ( d, "Please report old password with bug.\n\r", 0 ); write_to_buffer ( d, "Type 'password null <new password>' to fix.\n\r", 0 ); } write_to_buffer ( d, "\n\rWelcome to ROM 2.4. Please do not feed the mobiles.\n\r", 0 ); ch->next = char_list; char_list = ch; d->connected = CON_PLAYING; reset_char ( ch ); if ( ch->level == 0 ) { ch->perm_stat[class_table[ch->Class].attr_prime] += 3; ch->level = 1; ch->exp = exp_per_level ( ch, ch->pcdata->points ); ch->hit = ch->max_hit; ch->mana = ch->max_mana; ch->move = ch->max_move; ch->train = 3; ch->practice = 5; sprintf ( buf, "the %s", title_table[ch->Class][ch->level][ch->sex == SEX_FEMALE ? 1 : 0] ); set_title ( ch, buf ); do_function ( ch, &do_outfit, "" ); obj_to_char ( create_object ( get_obj_index ( OBJ_VNUM_MAP ), 0 ), ch ); char_to_room ( ch, get_room_index ( ROOM_VNUM_SCHOOL ) ); chsend ( "\n\r", ch ); do_function ( ch, &do_help, "newbie info" ); chsend ( "\n\r", ch ); } else if ( ch->in_room != NULL ) { char_to_room ( ch, ch->in_room ); } else if ( IS_IMMORTAL ( ch ) ) { char_to_room ( ch, get_room_index ( ROOM_VNUM_CHAT ) ); } else { char_to_room ( ch, get_room_index ( ROOM_VNUM_TEMPLE ) ); } act ( "$n has entered the game.", ch, NULL, NULL, TO_ROOM ); do_function ( ch, &do_look, "auto" ); wiznet ( "$N has left real life behind.", ch, NULL, WIZ_LOGINS, WIZ_SITES, get_trust ( ch ) ); if ( ch->pet != NULL ) { char_to_room ( ch->pet, ch->in_room ); act ( "$n has entered the game.", ch->pet, NULL, NULL, TO_ROOM ); } do_function ( ch, &do_board, "" ); break; } return; } /* * Parse a name for acceptability. */ bool check_parse_name ( char *name ) { int clan; /* * Reserved words. */ if ( is_exact_name ( name, "all auto immortal self someone something the you loner none" ) ) { return FALSE; } /* check clans */ for ( clan = 0; clan < MAX_CLAN; clan++ ) { if ( LOWER ( name[0] ) == LOWER ( clan_table[clan].name[0] ) && !str_cmp ( name, clan_table[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. */ { char *pc; bool fIll, adjcaps = FALSE, cleancaps = FALSE; uint 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, 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; chsend ( "Reconnecting. Type replay to see missed tells.\n\r", 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 $S link.", ch, NULL, WIZ_LINKS, 0, 0 ); d->connected = CON_PLAYING; /* Inform the character of a note in progress and the possbility * of continuation! */ if ( ch->pcdata->in_progress ) chsend ( "You have a note in progress. Type NOTE WRITE to continue it.\n\r", ch ); } return TRUE; } } return FALSE; } /* * Check if already playing. */ bool check_playing ( DESCRIPTOR_DATA * d, char *name ) { DESCRIPTOR_DATA *dold; for ( dold = descriptor_list; dold; dold = dold->next ) { if ( dold != d && dold->character != NULL && dold->connected != CON_GET_NAME && dold->connected != CON_GET_OLD_PASSWORD && !str_cmp ( name, dold->original ? dold->original->name : dold-> character->name ) ) { write_to_buffer ( d, "That character is already playing.\n\r", 0 ); write_to_buffer ( d, "Do you wish to connect anyway (Y/N)?", 0 ); d->connected = CON_BREAK_CONNECT; return TRUE; } } return FALSE; } void stop_idling ( CHAR_DATA * ch ) { if ( ch == NULL || ch->desc == NULL || ch->desc->connected != CON_PLAYING || ch->was_in_room == NULL || ch->in_room != get_room_index ( ROOM_VNUM_LIMBO ) ) return; ch->timer = 0; char_from_room ( ch ); char_to_room ( ch, ch->was_in_room ); ch->was_in_room = NULL; act ( "$n has returned from the void.", ch, NULL, NULL, TO_ROOM ); return; } /* * Write to one char. */ void chsend ( const char *txt, CHAR_DATA * ch ) { if ( txt != NULL && ch->desc != NULL ) write_to_buffer ( ch->desc, txt, strlen ( txt ) ); 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 ) { chsend ( txt, ch ); return; } ch->desc->showstr_head = ( char * ) alloc_mem ( strlen ( txt ) + 1 ); strcpy ( 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[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, strlen ( 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, strlen ( 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_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 buf[MAX_STRING_LENGTH]; char fname[MAX_INPUT_LENGTH]; CHAR_DATA *to; CHAR_DATA *vch = ( CHAR_DATA * ) arg2; OBJ_DATA *obj1 = ( OBJ_DATA * ) arg1; OBJ_DATA *obj2 = ( OBJ_DATA * ) arg2; const char *str; const char *i; char *point; /* * Discard null and zero-length messages. */ if ( format == NULL || format[0] == '\0' ) return; /* discard null rooms and chars */ if ( ch == NULL || ch->in_room == NULL ) return; to = ch->in_room->people; if ( type == TO_VICT ) { if ( vch == NULL ) { bug ( "Act: null vch with TO_VICT.", 0 ); return; } if ( vch->in_room == NULL ) return; to = vch->in_room->people; } for ( ; to != NULL; to = to->next_in_room ) { if ( ( !IS_NPC ( to ) && to->desc == NULL ) || ( IS_NPC ( to ) && !HAS_TRIGGER ( to, TRIG_ACT ) ) || 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; } ++str; if ( arg2 == NULL && *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; /* Thx alex for 't' idea */ 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'; buf[0] = UPPER ( buf[0] ); if ( to->desc != NULL ) { if ( to->desc == CON_PLAYING ) write_to_buffer ( to->desc, buf, point - buf ); } else if ( MOBtrigger ) mp_act_trigger ( buf, to, ch, arg1, arg2, TRIG_ACT ); } 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 ); chsend ( buf, ch ); } 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) // See sample script at bottom, provided by Erwin Andreasen #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 int last_descriptor; struct sigaction default_action; int i; pid_t forkpid; wait ( NULL ); if ( !crashed ) { crashed++; fprintf ( stderr, "GAME CRASHED (SIGNAL %d).\rLast command: %s\r", 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_list; 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->descriptor, "\n\rThe mud has CRASHED.\007\n\r", 0 ); } // try to save all characters - save_char_obj has sanity checking for ( d = descriptor_list; 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 send_to_char // 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_list; 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->descriptor, "** Error saving character files; conducting full reboot. **\007\n\r", 0 ); close_socket ( d ); continue; } fprintf ( stderr, "CHARACTERS NOT SAVED.\r" ); 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++; fprintf ( stderr, "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