/**************************************************************************
* 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
/*
* 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
#include <signal.h>
#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"
/*
* 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 */
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 */
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));
bool write_to_descriptor args ((DESCRIPTOR_DATA * d, char *txt, int length));
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));
#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);
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 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;
bool fCopyOver = FALSE;
#if !defined(WIN32) && !defined(__CYGWIN__)
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;
}
#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)
{
fprintf (stderr, "Error %i on WSAStartup\n", err);
exit (1);
}
}
#endif
/*
* 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 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);
#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
#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.
*/
dnew->next = descriptor_list;
descriptor_list = dnew;
/*
* 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_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);
}
}
free_runbuf (dclose);
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);
}
#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);
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] != '!' && 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,
"\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)
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_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)
{
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 < maxClan; 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.
*/
{
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_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;
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 $S link.", ch,
NULL, WIZ_LINKS, 0, 0);
d->connected = CON_PLAYING;
/* Inform the character of a note in progress and the possbility
* of continuation!
*/
if (ch->pcdata->in_progress)
chprintln (ch,
"You have a note in progress. Type NOTE WRITE to continue it.");
}
return TRUE;
}
}
return FALSE;
}
/*
* Check if already playing.
*/
bool check_playing (DESCRIPTOR_DATA * d, const char *name)
{
DESCRIPTOR_DATA *dold;
for (dold = descriptor_list; dold; dold = dold->next)
{
if (dold != d && dold->character != NULL &&
dold->connected != CON_GET_NAME &&
dold->connected != CON_GET_OLD_PASSWORD &&
!str_cmp (name,
dold->original ? dold->original->
name : dold->character->name))
{
write_to_buffer (d, "That character is already playing.\n\r", 0);
write_to_buffer (d, "Do you wish to connect anyway (Y/N)?", 0);
d->connected = CON_BREAK_CONNECT;
return TRUE;
}
}
return FALSE;
}
void stop_idling (CHAR_DATA * ch)
{
if (ch == NULL || ch->desc == NULL || ch->desc->connected != CON_PLAYING
|| ch->was_in_room == NULL ||
ch->in_room != get_room_index (ROOM_VNUM_LIMBO))
return;
ch->timer = 0;
char_from_room (ch);
char_to_room (ch, ch->was_in_room);
ch->was_in_room = NULL;
act ("$n has returned from the void.", ch, NULL, NULL, TO_ROOM);
return;
}
/*
* Write to one char.
*/
void 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[4 * MAX_STRING_LENGTH];
char buf[MAX_INPUT_LENGTH];
register const char *chk;
register char *scan;
int lines = 0, toggle = 1;
int show_lines;
one_argument (input, buf);
if (buf[0] != '\0')
{
if (d->showstr_head)
{
free_mem (d->showstr_head);
d->showstr_head = 0;
}
d->showstr_point = 0;
return;
}
if (d->character)
show_lines = d->character->lines;
else
show_lines = 0;
for (scan = buffer;; scan++, d->showstr_point++)
{
if (((*scan = *d->showstr_point) == '\n' || *scan == '\r') &&
(toggle = -toggle) < 0)
lines++;
else if (!*scan || (show_lines > 0 && lines >= show_lines))
{
*scan = '\0';
write_to_buffer (d, buffer, strlen (buffer));
for (chk = d->showstr_point; isspace (*chk); chk++);
{
if (!*chk)
{
if (d->showstr_head)
{
free_mem (d->showstr_head);
d->showstr_head = 0;
}
d->showstr_point = 0;
}
}
return;
}
}
return;
}
/* quick sex fixer */
void fix_sex (CHAR_DATA * ch)
{
if (ch->sex < 0 || ch->sex > 2)
ch->sex = IS_NPC (ch) ? 0 : ch->pcdata->true_sex;
}
void act_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) && to->desc == NULL
&& !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->connected == CON_PLAYING)
write_to_buffer (to->desc, buf, point - buf);
}
else if (IS_NPC (to) && 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);
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++;
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, "\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 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_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,
"** 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