/* $Header: interface.c,v 1.1 90/04/14 14:56:44 lachesis Exp $
* $Log: interface.c,v $
* Revision 1.1 90/04/14 14:56:44 lachesis
* Initial revision
*
*/
#include "copyright.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/time.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <sys/errno.h>
#include <ctype.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include "db.h"
#include "interface.h"
#include "config.h"
extern int errno;
int shutdown_flag = 0;
static const char *connect_fail = "Either that player does not exist, or has a different password.\n";
static const char *create_fail = "Either there is already a player with that name, or that name is illegal.\n";
static const char *flushed_message = "<Output Flushed>\n";
static const char *shutdown_message = "Going down - Bye\n";
struct text_block {
int nchars;
struct text_block *nxt;
char *start;
char *buf;
};
struct text_queue {
struct text_block *head;
struct text_block **tail;
};
struct descriptor_data {
int descriptor;
int connected;
dbref player;
char *output_prefix;
char *output_suffix;
char *hostname;
int output_size;
struct text_queue output;
struct text_queue input;
char *raw_input;
char *raw_input_at;
long last_time;
long connected_at;
int quota;
struct descriptor_data *next;
struct descriptor_data **prev;
} *descriptor_list = 0;
static int sock;
static int ndescriptors = 0;
void process_commands(void);
void shovechars(int port);
void shutdownsock(struct descriptor_data *d);
struct descriptor_data *initializesock(int s, const char *hostname);
void make_nonblocking(int s);
void freeqs(struct descriptor_data *d);
void welcome_user(struct descriptor_data *d);
void check_connect(struct descriptor_data *d, const char *msg);
void close_sockets();
const char *addrout (long);
void dump_users(struct descriptor_data *d, char *user);
void set_signals(void);
struct descriptor_data *new_connection(int sock);
void parse_connect (const char *msg, char *command, char *user, char *pass);
void set_userstring (char **userstring, const char *command);
int do_command (struct descriptor_data *d, char *command);
char *strsave (const char *s);
int make_socket(int);
int queue_string(struct descriptor_data *, const char *);
int queue_write(struct descriptor_data *, const char *, int);
int process_output(struct descriptor_data *d);
int process_input(struct descriptor_data *d);
int bailout(int, int, struct sigcontext *);
#ifdef CONNECT_MESSAGES
void announce_connect(dbref);
void announce_disconnect(dbref);
#endif CONNECT_MESSAGES
char *time_format_1(long);
char *time_format_2(long);
int boot_off(dbref);
/*SUPPRESS 558*/
#define MALLOC(result, type, number) do { \
if (!((result) = (type *) malloc ((number) * sizeof (type)))) \
panic("Out of memory"); \
} while (0)
#define FREE(x) (free((void *) x))
#ifndef BOOLEXP_DEBUGGING
void main(int argc, char **argv)
{
if (argc < 3) {
fprintf (stderr, "Usage: %s infile dumpfile [port]\n", *argv);
exit (1);
}
if (init_game (argv[1], argv[2]) < 0) {
fprintf (stderr, "Couldn't load %s!\n", argv[1]);
exit (2);
}
set_signals ();
rwhocli_setup("littlewood.math.okstate.edu","gimpware","Asylum","MUCK1.x");
/* go do it */
shovechars (argc >= 4 ? atoi (argv[3]) : TINYPORT);
close_sockets ();
rwhocli_shutdown();
dump_database ();
exit (0);
}
#endif /*BOOLEXP_DEBUGGING*/
void set_signals(void)
{
int dump_status(void);
/* we don't care about SIGPIPE, we notice it in select() and write() */
signal (SIGPIPE, SIG_IGN);
/* standard termination signals */
signal (SIGINT, bailout);
signal (SIGTERM, bailout);
/* catch these because we might as well */
signal (SIGQUIT, bailout);
signal (SIGILL, bailout);
signal (SIGTRAP, bailout);
signal (SIGIOT, bailout);
signal (SIGEMT, bailout);
signal (SIGFPE, bailout);
signal (SIGBUS, bailout);
signal (SIGSEGV, bailout);
signal (SIGSYS, bailout);
signal (SIGTERM, bailout);
signal (SIGXCPU, bailout);
signal (SIGXFSZ, bailout);
signal (SIGVTALRM, bailout);
signal (SIGUSR2, bailout);
/* status dumper (predates "WHO" command) */
signal (SIGUSR1, dump_status);
}
int notify(dbref player, const char *msg)
{
struct descriptor_data *d;
int flag;
#ifdef COMPRESS
extern const char *uncompress(const char *);
msg = uncompress(msg);
#endif /* COMPRESS */
flag = 0;
for(d = descriptor_list; d; d = d->next) {
if (d->connected && d->player == player) {
queue_string(d, msg);
queue_write(d, "\n", 1);
flag = 1;
}
}
return(flag);
}
struct timeval timeval_sub(struct timeval now, struct timeval then)
{
now.tv_sec -= then.tv_sec;
now.tv_usec -= then.tv_usec;
if (now.tv_usec < 0) {
now.tv_usec += 1000000;
now.tv_sec--;
}
return now;
}
int msec_diff(struct timeval now, struct timeval then)
{
return ((now.tv_sec - then.tv_sec) * 1000
+ (now.tv_usec - then.tv_usec) / 1000);
}
struct timeval msec_add(struct timeval t, int x)
{
t.tv_sec += x / 1000;
t.tv_usec += (x % 1000) * 1000;
if (t.tv_usec >= 1000000) {
t.tv_sec += t.tv_usec / 1000000;
t.tv_usec = t.tv_usec % 1000000;
}
return t;
}
struct timeval update_quotas(struct timeval last, struct timeval current)
{
int nslices;
struct descriptor_data *d;
nslices = msec_diff (current, last) / COMMAND_TIME_MSEC;
if (nslices > 0) {
for (d = descriptor_list; d; d = d -> next) {
d -> quota += COMMANDS_PER_TIME * nslices;
if (d -> quota > COMMAND_BURST_SIZE)
d -> quota = COMMAND_BURST_SIZE;
}
}
return msec_add (last, nslices * COMMAND_TIME_MSEC);
}
void shovechars(int port)
{
fd_set input_set, output_set;
long now;
struct timeval last_slice, current_time;
struct timeval next_slice;
struct timeval timeout, slice_timeout;
struct timeval lastping;
int maxd;
struct descriptor_data *d, *dnext;
struct descriptor_data *newd;
int avail_descriptors;
char buf[BUFSIZ];
sock = make_socket (port);
maxd = sock+1;
gettimeofday(&last_slice, (struct timezone *) 0);
gettimeofday(&lastping, (struct timezone *) 0);
avail_descriptors = getdtablesize() - 4;
while (shutdown_flag == 0) {
gettimeofday(¤t_time, (struct timezone *) 0);
last_slice = update_quotas (last_slice, current_time);
if (msec_diff(current_time,lastping) >= 100000) {
rwhocli_pingalive();
for (d=descriptor_list;d;d=d->next) {
if (d->connected) {
sprintf(buf,"%d@Asylum",d->player);
rwhocli_userlogin(buf,db[d->player].name);
}
}
gettimeofday(&lastping,(struct timezone *)0);
}
process_commands();
if (shutdown_flag)
break;
timeout.tv_sec = 1000;
timeout.tv_usec = 0;
next_slice = msec_add (last_slice, COMMAND_TIME_MSEC);
slice_timeout = timeval_sub (next_slice, current_time);
FD_ZERO (&input_set);
FD_ZERO (&output_set);
if (ndescriptors < avail_descriptors)
FD_SET (sock, &input_set);
for (d = descriptor_list; d; d=d->next) {
if (d->input.head)
timeout = slice_timeout;
else
FD_SET (d->descriptor, &input_set);
if (d->output.head)
FD_SET (d->descriptor, &output_set);
}
if (select (maxd, &input_set, &output_set,
(fd_set *) 0, &timeout) < 0) {
if (errno != EINTR) {
perror ("select");
return;
}
} else {
(void) time (&now);
if (FD_ISSET (sock, &input_set)) {
if (!(newd = new_connection (sock))) {
if (errno
&& errno != EINTR
&& errno != EMFILE
&& errno != ENFILE) {
perror ("new_connection");
return;
}
} else {
if (newd->descriptor >= maxd)
maxd = newd->descriptor + 1;
}
}
for (d = descriptor_list; d; d = dnext) {
dnext = d->next;
if (FD_ISSET (d->descriptor, &input_set)) {
d->last_time = now;
if (!process_input (d)) {
shutdownsock (d);
continue;
}
}
if (FD_ISSET (d->descriptor, &output_set)) {
if (!process_output (d)) {
shutdownsock (d);
}
}
}
}
}
}
struct descriptor_data *new_connection(int sock)
{
int newsock;
struct sockaddr_in addr;
int addr_len;
const char *hostname;
addr_len = sizeof (addr);
newsock = accept (sock, (struct sockaddr *) & addr, &addr_len);
if (newsock < 0)
return 0;
hostname = addrout(addr.sin_addr.s_addr);
#ifdef LOCKOUT
if(forbidden_site(ntohl(addr.sin_addr.s_addr))) {
fprintf(stderr, "REFUSED CONNECTION from %s(%d) on descriptor %d\n",
hostname, ntohs(addr.sin_port), newsock);
(void) shutdown(newsock, 2);
(void) close(newsock);
errno = 0;
return 0;
} else
#endif /* LOCKOUT */
{
fprintf (stderr, "ACCEPT from %s(%d) on descriptor %d\n",
hostname, ntohs(addr.sin_port), newsock);
return initializesock (newsock, hostname);
}
}
const char *addrout(long a)
{
static char buf[32];
#ifdef HOSTNAMES
struct hostent *he;
he = gethostbyaddr((char *) &a, sizeof(a), AF_INET);
if (he)
return he->h_name;
#endif /* HOSTNAMES */
a = ntohl(a);
sprintf (buf, "%d.%d.%d.%d", (a >> 24) & 0xff, (a >> 16) & 0xff,
(a >> 8) & 0xff, a & 0xff);
return buf;
}
void clearstrings(struct descriptor_data *d)
{
if (d->output_prefix) {
FREE(d->output_prefix);
d->output_prefix = 0;
}
if (d->output_suffix) {
FREE(d->output_suffix);
d->output_suffix = 0;
}
if (d->hostname) {
FREE(d->hostname);
d->hostname = 0;
}
}
void shutdownsock(struct descriptor_data *d)
{
char buf[BUFSIZ];
if (d->connected) {
fprintf (stderr, "DISCONNECT descriptor %d player %s(%d)\n",
d->descriptor, db[d->player].name, d->player);
#ifdef CONNECT_MESSAGES
announce_disconnect(d->player);
#endif CONNECT_MESSAGES
sprintf(buf,"%d",d->player);
rwhocli_userlogout(buf);
} else {
fprintf (stderr, "DISCONNECT descriptor %d never connected\n",
d->descriptor);
}
clearstrings (d);
(void) shutdown (d->descriptor, 2);
(void) close (d->descriptor);
freeqs (d);
*d->prev = d->next;
if (d->next)
d->next->prev = d->prev;
FREE (d);
ndescriptors--;
}
struct descriptor_data *initializesock(int s, const char *hostname)
{
struct descriptor_data *d;
ndescriptors++;
MALLOC(d, struct descriptor_data, 1);
d->descriptor = s;
d->connected = 0;
d->player = NOTHING;
make_nonblocking (s);
d->output_prefix = 0;
d->output_suffix = 0;
d->hostname = alloc_string(hostname);
d->output_size = 0;
d->output.head = 0;
d->output.tail = &d->output.head;
d->input.head = 0;
d->input.tail = &d->input.head;
d->raw_input = 0;
d->raw_input_at = 0;
d->quota = COMMAND_BURST_SIZE;
d->last_time = 0;
if (descriptor_list)
descriptor_list->prev = &d->next;
d->next = descriptor_list;
d->prev = &descriptor_list;
descriptor_list = d;
welcome_user (d);
return d;
}
int make_socket(int port)
{
int s;
struct sockaddr_in server;
int opt;
s = socket (AF_INET, SOCK_STREAM, 0);
if (s < 0) {
perror ("creating stream socket");
exit (3);
}
opt = 1;
if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR,
(char *) &opt, sizeof (opt)) < 0) {
perror ("setsockopt");
exit (1);
}
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons (port);
if (bind (s, (struct sockaddr *) & server, sizeof (server))) {
perror ("binding stream socket");
close (s);
exit (4);
}
listen (s, 5);
return s;
}
struct text_block *make_text_block(const char *s, int n)
{
struct text_block *p;
MALLOC(p, struct text_block, 1);
MALLOC(p->buf, char, n);
bcopy (s, p->buf, n);
p->nchars = n;
p->start = p->buf;
p->nxt = 0;
return p;
}
void free_text_block (struct text_block *t)
{
FREE (t->buf);
FREE ((char *) t);
}
void add_to_queue(struct text_queue *q, const char *b, int n)
{
struct text_block *p;
if (n == 0) return;
p = make_text_block (b, n);
p->nxt = 0;
*q->tail = p;
q->tail = &p->nxt;
}
int flush_queue(struct text_queue *q, int n)
{
struct text_block *p;
int really_flushed = 0;
n += strlen(flushed_message);
while (n > 0 && (p = q->head)) {
n -= p->nchars;
really_flushed += p->nchars;
q->head = p->nxt;
free_text_block (p);
}
p = make_text_block(flushed_message, strlen(flushed_message));
p->nxt = q->head;
q->head = p;
if (!p->nxt)
q->tail = &p->nxt;
really_flushed -= p->nchars;
return really_flushed;
}
int queue_write(struct descriptor_data *d, const char *b, int n)
{
int space;
space = MAX_OUTPUT - d->output_size - n;
if (space < 0)
d->output_size -= flush_queue(&d->output, -space);
add_to_queue (&d->output, b, n);
d->output_size += n;
return n;
}
int queue_string(struct descriptor_data *d, const char *s)
{
return queue_write (d, s, strlen (s));
}
int process_output(struct descriptor_data *d)
{
struct text_block **qp, *cur;
int cnt;
for (qp = &d->output.head; (cur = *qp) != NULL; ) {
cnt = write (d->descriptor, cur -> start, cur -> nchars);
if (cnt < 0) {
if (errno == EWOULDBLOCK)
return 1;
return 0;
}
d->output_size -= cnt;
if (cnt == cur -> nchars) {
if (!cur -> nxt)
d->output.tail = qp;
*qp = cur -> nxt;
free_text_block (cur);
continue; /* do not adv ptr */
}
cur -> nchars -= cnt;
cur -> start += cnt;
break;
}
return 1;
}
void make_nonblocking(int s)
{
if (fcntl (s, F_SETFL, FNDELAY) == -1) {
perror ("make_nonblocking: fcntl");
panic ("FNDELAY fcntl failed");
}
}
void freeqs(struct descriptor_data *d)
{
struct text_block *cur, *next;
cur = d->output.head;
while (cur) {
next = cur -> nxt;
free_text_block (cur);
cur = next;
}
d->output.head = 0;
d->output.tail = &d->output.head;
cur = d->input.head;
while (cur) {
next = cur -> nxt;
free_text_block (cur);
cur = next;
}
d->input.head = 0;
d->input.tail = &d->input.head;
if (d->raw_input)
FREE (d->raw_input);
d->raw_input = 0;
d->raw_input_at = 0;
}
void welcome_user(struct descriptor_data *d)
{
queue_string (d, WELCOME_MESSAGE);
}
void goodbye_user(struct descriptor_data *d)
{
write (d->descriptor, LEAVE_MESSAGE, strlen (LEAVE_MESSAGE));
}
char *strsave (const char *s)
{
char *p;
MALLOC (p, char, strlen(s) + 1);
if (p)
strcpy (p, s);
return p;
}
void save_command (struct descriptor_data *d, const char *command)
{
add_to_queue (&d->input, command, strlen(command)+1);
}
int process_input (struct descriptor_data *d)
{
char buf[1024];
int got;
char *p, *pend, *q, *qend;
got = read (d->descriptor, buf, sizeof buf);
if (got <= 0)
return 0;
if (!d->raw_input) {
MALLOC(d->raw_input,char,MAX_COMMAND_LEN);
d->raw_input_at = d->raw_input;
}
p = d->raw_input_at;
pend = d->raw_input + MAX_COMMAND_LEN - 1;
for (q=buf, qend = buf + got; q < qend; q++) {
if (*q == '\n') {
*p = '\0';
if (p > d->raw_input)
save_command (d, d->raw_input);
p = d->raw_input;
} else if (p < pend && isascii (*q) && isprint (*q)) {
*p++ = *q;
}
}
if(p > d->raw_input) {
d->raw_input_at = p;
} else {
FREE(d->raw_input);
d->raw_input = 0;
d->raw_input_at = 0;
}
return 1;
}
void set_userstring (char **userstring, const char *command)
{
if (*userstring) {
FREE(*userstring);
*userstring = 0;
}
while (*command && isascii (*command) && isspace (*command))
command++;
if (*command)
*userstring = strsave (command);
}
void process_commands(void)
{
int nprocessed;
struct descriptor_data *d, *dnext;
struct text_block *t;
do {
nprocessed = 0;
for (d = descriptor_list; d; d = dnext) {
dnext = d->next;
if (d -> quota > 0 && (t = d -> input.head)) {
d -> quota--;
nprocessed++;
if (!do_command (d, t -> start)) {
shutdownsock (d);
} else {
d -> input.head = t -> nxt;
if (!d -> input.head)
d -> input.tail = &d -> input.head;
free_text_block (t);
}
}
}
} while (nprocessed > 0);
}
int do_command (struct descriptor_data *d, char *command)
{
if (!strcmp (command, QUIT_COMMAND)) {
goodbye_user (d);
return 0;
} else if (!strncmp (command, WHO_COMMAND, strlen(WHO_COMMAND))) {
if (d->output_prefix) {
queue_string (d, d->output_prefix);
queue_write (d, "\n", 1);
}
dump_users (d, command + strlen(WHO_COMMAND));
if (d->output_suffix) {
queue_string (d, d->output_suffix);
queue_write (d, "\n", 1);
}
} else if (!strncmp (command, PREFIX_COMMAND, strlen (PREFIX_COMMAND))) {
set_userstring (&d->output_prefix, command+strlen(PREFIX_COMMAND));
} else if (!strncmp (command, SUFFIX_COMMAND, strlen (SUFFIX_COMMAND))) {
set_userstring (&d->output_suffix, command+strlen(SUFFIX_COMMAND));
} else {
if (d->connected) {
if (d->output_prefix) {
queue_string (d, d->output_prefix);
queue_write (d, "\n", 1);
}
process_command (d->player, command);
if (d->output_suffix) {
queue_string (d, d->output_suffix);
queue_write (d, "\n", 1);
}
} else {
check_connect (d, command);
}
}
return 1;
}
void check_connect (struct descriptor_data *d, const char *msg)
{
char command[MAX_COMMAND_LEN];
char user[MAX_COMMAND_LEN];
char password[MAX_COMMAND_LEN];
dbref player;
char buf[BUFSIZ];
parse_connect (msg, command, user, password);
if (!strncmp (command, "co", 2)) {
player = connect_player (user, password);
if (player == NOTHING) {
queue_string (d, connect_fail);
fprintf (stderr, "FAILED CONNECT %s on descriptor %d\n",
user, d->descriptor);
} else {
fprintf (stderr, "CONNECTED %s(%d) on descriptor %d\n",
db[player].name, player, d->descriptor);
d->connected = 1;
d->connected_at = time(NULL);
sprintf(buf,"%d@Asylum",player);
rwhocli_userlogin(buf,db[player].name);
d->player = player;
do_look_around (player);
#ifdef CONNECT_MESSAGES
announce_connect(player);
#endif CONNECT_MESSAGES
}
} else if (!strncmp (command, "cr", 2)) {
#ifndef REGISTRATION
player = create_player (user, password);
if (player == NOTHING) {
queue_string (d, create_fail);
fprintf (stderr, "FAILED CREATE %s on descriptor %d\n",
user, d->descriptor);
} else {
fprintf (stderr, "CREATED %s(%d) on descriptor %d\n",
db[player].name, player, d->descriptor);
d->connected = 1;
d->connected_at = time(NULL);
d->player = player;
do_look_around (player);
#ifdef CONNECT_MESSAGES
announce_connect(player);
#endif CONNECT_MESSAGES
}
#else REGISTRATION
queue_string(d, "Sorry, but new characters cannot be created at this time.\n");
#endif REGISTRATION
} else {
welcome_user (d);
}
}
void parse_connect (const char *msg, char *command, char *user, char *pass)
{
char *p;
while (*msg && isascii(*msg) && isspace (*msg))
msg++;
p = command;
while (*msg && isascii(*msg) && !isspace (*msg))
*p++ = *msg++;
*p = '\0';
while (*msg && isascii(*msg) && isspace (*msg))
msg++;
p = user;
while (*msg && isascii(*msg) && !isspace (*msg))
*p++ = *msg++;
*p = '\0';
while (*msg && isascii(*msg) && isspace (*msg))
msg++;
p = pass;
while (*msg && isascii(*msg) && !isspace (*msg))
*p++ = *msg++;
*p = '\0';
}
void close_sockets(void)
{
struct descriptor_data *d, *dnext;
for (d = descriptor_list; d; d = dnext) {
dnext = d->next;
write (d->descriptor, shutdown_message, strlen (shutdown_message));
if (shutdown (d->descriptor, 2) < 0)
perror ("shutdown");
close (d->descriptor);
}
close (sock);
}
void emergency_shutdown(void)
{
close_sockets();
}
/*ARGSUSED*/
int bailout(int sig, int code, struct sigcontext *scp)
{
char message[1024];
sprintf (message, "BAILOUT: caught signal %d code %d", sig, code);
panic(message);
_exit (7);
return 0;
}
int dump_status(void)
{
struct descriptor_data *d;
long now;
(void) time (&now);
fprintf (stderr, "STATUS REPORT:\n");
for (d = descriptor_list; d; d = d->next) {
if (d->connected) {
fprintf (stderr, "PLAYING descriptor %d player %s(%d)",
d->descriptor, db[d->player].name, d->player);
if (d->last_time)
fprintf (stderr, " idle %d seconds\n",
now - d->last_time);
else
fprintf (stderr, " never used\n");
} else {
fprintf (stderr, "CONNECTING descriptor %d", d->descriptor);
if (d->last_time)
fprintf (stderr, " idle %d seconds\n",
now - d->last_time);
else
fprintf (stderr, " never used\n");
}
}
return 0;
}
int usercount;
dump1(struct descriptor_data *d,struct descriptor_data *e,char *user,long now)
{
char buf[1024];
if (!d) return;
dump1(d->next, e, user, now);
if (d->connected &&
(!user || string_prefix(db[d->player].name, user))) {
sprintf(buf,"%-16s %10s %4s",
db[d->player].name,
time_format_1(now - d->connected_at),
time_format_2(now - d->last_time));
if (e->connected && Wizard(e->player)) {
(void) strcat(buf, " ");
(void) strcat(buf, d->hostname);
}
strcat(buf,"\n");
queue_string (e, buf);
usercount++;
}
}
void dump_users(struct descriptor_data *e, char *user)
{
long now;
char buf[BUFSIZ];
while (*user && isspace(*user)) user++;
if (!*user) user = NULL;
(void) time (&now);
queue_string (e, (e->connected && Wizard(e->player)) ?
"Player Name On For Idle Host\n" :
"Player Name On For Idle\n");
usercount = 0;
dump1(descriptor_list, e, user, now);
sprintf(buf,"Total of %d users connected.\n",usercount);
queue_string(e, buf);
}
char *time_format_1(long dt)
{
register struct tm *delta;
static char buf[64];
delta = gmtime(&dt);
if (delta->tm_yday > 0)
sprintf(buf, "%dd %02d:%02d",
delta->tm_yday, delta->tm_hour, delta->tm_min);
else
sprintf(buf, "%02d:%02d",
delta->tm_hour, delta->tm_min);
return buf;
}
char *time_format_2(long dt)
{
register struct tm *delta;
static char buf[64];
delta = gmtime(&dt);
if (delta->tm_yday > 0)
sprintf(buf, "%dd", delta->tm_yday);
else if (delta->tm_hour > 0)
sprintf(buf, "%dh", delta->tm_hour);
else if (delta->tm_min > 0)
sprintf(buf, "%dm", delta->tm_min);
else
sprintf(buf, "%ds", delta->tm_sec);
return buf;
}
#ifdef CONNECT_MESSAGES
void announce_connect(dbref player)
{
dbref loc;
char buf[BUFFER_LEN];
if ((loc = getloc(player)) == NOTHING) return;
if (Dark(player) || Dark(loc)) return;
sprintf(buf, "%s has connected.", db[player].name);
notify_except(db[loc].contents, player, buf);
}
void announce_disconnect(dbref player)
{
dbref loc;
char buf[BUFFER_LEN];
if ((loc = getloc(player)) == NOTHING) return;
if (Dark(player) || Dark(loc)) return;
sprintf(buf, "%s has disconnected.", db[player].name);
notify_except(db[loc].contents, player, buf);
}
#endif CONNECT_MESSAGES
int
boot_off(dbref player)
{
struct descriptor_data *d, *save;
save = NULL;
for (d = descriptor_list; d; d = d->next) {
if (d->player == player && d->connected) save = d;
}
if (save) {
process_output (save);
shutdownsock(save);
return 1;
} else {
return 0;
}
}