/* netcommon.c - Network utility routines */
/* This file contains routines used by the networking code that do not
* depend on the implementation of the networking code. The network-specific
* portions of the descriptor data structure are not used.
*/
#include "autoconf.h"
#include "copyright.h"
#ifndef lint
static char *RCSid = "$Id: netcommon.c,v 1.13 1995/03/29 23:42:55 ambar Exp $";
USE(RCSid);
#endif
#include "interface.h"
#include "file_c.h"
#include "command.h"
#include "rwho_clilib.h"
#include "attrs.h"
/* Logged out command table definitions */
#define CMD_QUIT 1
#define CMD_WHO 2
#define CMD_DOING 3
#define CMD_RWHO 4
#define CMD_PREFIX 5
#define CMD_SUFFIX 6
#define CMD_LOGOUT 7
#define CMD_SESSION 8
#define CMD_PUEBLOCLIENT 9
#define CMD_MASK 0xff
#define CMD_NOxFIX 0x100
extern int FDECL(process_output, (DESC * d));
#ifdef LOCAL_RWHO_SERVER
void FDECL(dump_rusers, (DESC * call_by));
#endif
/* ---------------------------------------------------------------------------
* timeval_sub: return difference between two times as a timeval
*/
struct timeval
timeval_sub(now, then)
struct timeval now, 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;
}
/* ---------------------------------------------------------------------------
* msec_diff: return difference between two times in msec
*/
int
msec_diff(now, then)
struct timeval now, then;
{
return ((now.tv_sec - then.tv_sec) * 1000 +
(now.tv_usec - then.tv_usec) / 1000);
}
/* ---------------------------------------------------------------------------
* msec_add: add milliseconds to a timeval
*/
struct timeval
msec_add(t, x)
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;
}
/* ---------------------------------------------------------------------------
* update_quotas: Update timeslice quotas
*/
struct timeval
update_quotas(last, current)
struct timeval last, current;
{
int nslices;
DESC *d;
nslices = msec_diff(current, last) / mudconf.timeslice;
if (nslices > 0) {
DESC_ITER_ALL(d) {
d->quota += mudconf.cmd_quota_incr * nslices;
if (d->quota > mudconf.cmd_quota_max)
d->quota = mudconf.cmd_quota_max;
}
}
return msec_add(last, nslices * mudconf.timeslice);
}
/* ---------------------------------------------------------------------------
* raw_notify: write a message to a player
*/
#ifdef PUEBLO_SUPPORT
void
raw_notify_html(player, msg)
dbref player;
const char *msg;
{
DESC *d;
if (!msg || !*msg)
return;
if (!Connected(player))
return;
DESC_ITER_PLAYER(player, d) {
queue_string(d, msg);
}
}
#endif /* PUEBLO_SUPPORT */
/* ---------------------------------------------------------------------------
* raw_notify: write a message to a player
*/
void
raw_notify(player, msg)
dbref player;
const char *msg;
{
DESC *d;
if (!msg || !*msg)
return;
if (!Connected(player))
return;
DESC_ITER_PLAYER(player, d) {
queue_string(d, msg);
queue_write(d, "\r\n", 2);
}
}
/* ---------------------------------------------------------------------------
* raw_broadcast: Send message to players who have indicated flags
*/
#ifdef NEED_VSPRINTF_DCL
extern char *FDECL(vsprintf, (char *, char *, va_list));
#endif
#if defined(__STDC__) && defined(STDC_HEADERS)
void
raw_broadcast(int inflags, char *template,...)
#else
void
raw_broadcast(va_alist)
va_dcl
#endif
{
char *buff;
DESC *d;
va_list ap;
#if defined(__STDC__) && defined(STDC_HEADERS)
va_start(ap, template);
#else
int inflags;
char *template;
va_start(ap);
inflags = va_arg(ap, int);
template = va_arg(ap, char *);
#endif
if (!template || !*template)
return;
buff = alloc_lbuf("raw_broadcast");
vsprintf(buff, template, ap);
DESC_ITER_CONN(d) {
if ((Flags(d->player) & inflags) == inflags) {
queue_string(d, buff);
queue_write(d, "\r\n", 2);
process_output(d);
}
}
free_lbuf(buff);
va_end(ap);
}
/* ---------------------------------------------------------------------------
* clearstrings: clear out prefix and suffix strings
*/
void
clearstrings(d)
DESC *d;
{
if (d->output_prefix) {
free_lbuf(d->output_prefix);
d->output_prefix = NULL;
}
if (d->output_suffix) {
free_lbuf(d->output_suffix);
d->output_suffix = NULL;
}
}
/* ---------------------------------------------------------------------------
* queue_write: Add text to the output queue for the indicated descriptor.
*/
void
queue_write(d, b, n)
DESC *d;
const char *b;
int n;
{
int left;
char *buf;
TBLOCK *tp;
if (n <= 0)
return;
if (d->output_size + n > mudconf.output_limit)
process_output(d);
left = mudconf.output_limit - d->output_size - n;
if (left < 0) {
tp = d->output_head;
if (tp == NULL) {
STARTLOG(LOG_PROBLEMS, "QUE", "WRITE")
log_text((char *) "Flushing when output_head is null!");
ENDLOG
} else {
STARTLOG(LOG_NET, "NET", "WRITE")
buf = alloc_lbuf("queue_write.LOG");
sprintf(buf,
"[%d/%s] Output buffer overflow, %d chars discarded by ",
d->descriptor, d->addr, tp->hdr.nchars);
log_text(buf);
free_lbuf(buf);
log_name(d->player);
ENDLOG
d->output_size -= tp->hdr.nchars;
d->output_head = tp->hdr.nxt;
d->output_lost += tp->hdr.nchars;
if (d->output_head == NULL)
d->output_tail = NULL;
free_lbuf(tp);
}
}
/* Allocate an output buffer if needed */
if (d->output_head == NULL) {
tp = (TBLOCK *) alloc_lbuf("queue_write.new");
tp->hdr.nxt = NULL;
tp->hdr.start = tp->data;
tp->hdr.end = tp->data;
tp->hdr.nchars = 0;
d->output_head = tp;
d->output_tail = tp;
} else {
tp = d->output_tail;
}
/* Now tp points to the last buffer in the chain */
d->output_size += n;
d->output_tot += n;
do {
/* See if there is enough space in the buffer to hold the
* string. If so, copy it and update the pointers..
*/
left = LBUF_SIZE - (tp->hdr.end - (char *) tp + 1);
if (n <= left) {
strncpy(tp->hdr.end, b, n);
tp->hdr.end += n;
tp->hdr.nchars += n;
n = 0;
} else {
/* It didn't fit. Copy what will fit and then allocate
* another buffer and retry.
*/
if (left > 0) {
strncpy(tp->hdr.end, b, left);
tp->hdr.end += left;
tp->hdr.nchars += left;
b += left;
n -= left;
}
tp = (TBLOCK *) alloc_lbuf("queue_write.extend");
tp->hdr.nxt = NULL;
tp->hdr.start = tp->data;
tp->hdr.end = tp->data;
tp->hdr.nchars = 0;
d->output_tail->hdr.nxt = tp;
d->output_tail = tp;
}
} while (n > 0);
}
void
queue_string(d, s)
DESC *d;
const char *s;
{
if (s)
queue_write(d, s, strlen(s));
}
void
freeqs(d)
DESC *d;
{
TBLOCK *tb, *tnext;
CBLK *cb, *cnext;
tb = d->output_head;
while (tb) {
tnext = tb->hdr.nxt;
free_lbuf(tb);
tb = tnext;
}
d->output_head = NULL;
d->output_tail = NULL;
cb = d->input_head;
while (cb) {
cnext = (CBLK *) cb->hdr.nxt;
free_lbuf(cb);
cb = cnext;
}
d->input_head = NULL;
d->input_tail = NULL;
if (d->raw_input)
free_lbuf(d->raw_input);
d->raw_input = NULL;
d->raw_input_at = NULL;
}
/* ---------------------------------------------------------------------------
* desc_addhash: Add a net descriptor to its player hash list.
*/
static void
desc_addhash(d)
DESC *d;
{
dbref player;
DESC *hdesc;
player = d->player;
hdesc = (DESC *) nhashfind((int) player, &mudstate.desc_htab);
if (hdesc == NULL) {
d->hashnext = NULL;
nhashadd((int) player, (int *) d, &mudstate.desc_htab);
} else {
d->hashnext = hdesc;
nhashrepl((int) player, (int *) d, &mudstate.desc_htab);
}
}
/* ---------------------------------------------------------------------------
* desc_delhash: Remove a net descriptor from its player hash list.
*/
static void
desc_delhash(d)
DESC *d;
{
DESC *hdesc, *last;
dbref player;
player = d->player;
last = NULL;
hdesc = (DESC *) nhashfind((int) player, &mudstate.desc_htab);
while (hdesc != NULL) {
if (d == hdesc) {
if (last == NULL) {
if (d->hashnext == NULL) {
nhashdelete((int) player,
&mudstate.desc_htab);
} else {
nhashrepl((int) player, (int *) d->hashnext,
&mudstate.desc_htab);
}
} else {
last->hashnext = d->hashnext;
}
break;
}
last = hdesc;
hdesc = hdesc->hashnext;
}
d->hashnext = NULL;
}
void
welcome_user(d)
DESC *d;
{
#ifdef PUEBLO_SUPPORT
queue_string(d, PUEBLO_SUPPORT_MSG);
#endif /* PUEBLO_SUPPORT */
if (d->host_info & H_REGISTRATION)
fcache_dump(d, FC_CONN_REG);
else
fcache_dump(d, FC_CONN);
}
void
save_command(d, command)
DESC *d;
CBLK *command;
{
command->hdr.nxt = NULL;
if (d->input_tail == NULL)
d->input_head = command;
else
d->input_tail->hdr.nxt = command;
d->input_tail = command;
}
static void
set_userstring(userstring, command)
char **userstring;
const char *command;
{
while (*command && isascii(*command) && isspace(*command))
command++;
if (!*command) {
if (*userstring != NULL) {
free_lbuf(*userstring);
*userstring = NULL;
}
} else {
if (*userstring == NULL)
*userstring = alloc_lbuf("set_userstring");
strcpy(*userstring, command);
}
}
static void
parse_connect(msg, command, user, pass)
const char *msg;
char *command, *user, *pass;
{
char *p, *buff, *bufp, *cp;
while (*msg && isascii(*msg) && isspace(*msg))
msg++; /* skip leading spaces */
p = bufp = buff = strsave(msg); /* give us a copy we can mess with */
if (!buff) {
strcpy(command, "malloc failed");
strcpy(user, "malloc failed");
strcpy(pass, "malloc failed");
return;
}
cp = command;
while (*bufp && isascii(*bufp) && !isspace(*bufp))
bufp++;
if (*bufp)
*bufp++ = '\0'; /* set the null and skip it */
safe_mb_str(buff, command, &cp);
while (*bufp && isascii(*bufp) && isspace(*bufp)) /* skip spaces */
bufp++;
cp = user;
p = bufp;
if (mudconf.name_spaces && (*bufp == '\"')) {
for (; *bufp && (*bufp == '\"' || isspace(*bufp)); bufp++);
while (*bufp && *bufp != '\"') {
while (*bufp && !isspace(*bufp) && (*bufp != '\"')) {
safe_mb_chr(*bufp, user, &cp);
bufp++;
}
if (*bufp == '\"')
break;
while (*bufp && isspace(*bufp))
bufp++;
if (*bufp && (*bufp != '\"')) {
safe_mb_chr(' ', user, &cp);
}
}
for (; *bufp && *bufp == '\"'; bufp++)
;
if (*bufp)
*bufp++ = '\0';
} else {
while (*bufp && isascii(*bufp) && !isspace(*bufp))
bufp++;
if (*bufp)
*bufp++ = '\0';
safe_mb_str(p, user, &cp);
}
while (*bufp && isascii(*bufp) && isspace(*bufp))
bufp++;
cp = pass;
p = bufp;
while (*bufp && isascii(*bufp) && !isspace(*bufp))
bufp++;
if (*bufp)
*bufp++ = '\0';
safe_mb_str(p, pass, &cp);
XFREE(buff, "parse_connect");
}
static const char *
time_format_1(dt)
time_t dt;
{
register struct tm *delta;
static char buf[64];
if (dt < 0)
dt = 0;
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;
}
static const char *
time_format_2(dt)
time_t dt;
{
register struct tm *delta;
static char buf[64];
if (dt < 0)
dt = 0;
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;
}
static void
announce_connect(player, d)
dbref player;
DESC *d;
{
dbref loc, aowner, temp;
int aflags, num, key;
char *buf, *time_str;
DESC *dtemp;
desc_addhash(d);
buf = atr_pget(player, A_TIMEOUT, &aowner, &aflags);
if (buf) {
d->timeout = atoi(buf);
if (d->timeout <= 0)
d->timeout = mudconf.idle_timeout;
}
free_lbuf(buf);
loc = Location(player);
s_Connected(player);
#ifdef PUEBLO_SUPPORT
if (d->flags & DS_PUEBLOCLIENT) {
s_Html(player);
}
#endif
raw_notify(player, mudconf.motd_msg);
if (Wizard(player)) {
raw_notify(player, mudconf.wizmotd_msg);
if (!(mudconf.control_flags & CF_LOGIN)) {
raw_notify(player, "*** Logins are disabled.");
}
}
buf = atr_get(player, A_LPAGE, &aowner, &aflags);
if (buf && *buf) {
raw_notify(player, "Your PAGE LOCK is set. You may be unable to receive some pages.");
}
#ifdef RWHO_IN_USE
if (mudconf.rwho_transmit && (mudconf.control_flags & CF_RWHO_XMIT)) {
sprintf(buf, "%d@%s", player, mudconf.mud_name);
rwhocli_userlogin(buf, Name(player), time((time_t *) 0));
}
#endif
num = 0;
DESC_ITER_PLAYER(player, dtemp) num++;
if (num < 2)
sprintf(buf, "%s has connected.", Name(player));
else
sprintf(buf, "%s has reconnected.", Name(player));
key = MSG_INV;
if ((loc != NOTHING) && !(Dark(player) && Wizard(player)))
key |= (MSG_NBR | MSG_NBR_EXITS | MSG_LOC | MSG_FWDLIST);
temp = mudstate.curr_enactor;
mudstate.curr_enactor = player;
notify_check(player, player, buf, key);
free_lbuf(buf);
if (Suspect(player)) {
raw_broadcast(WIZARD, (char *) "[Suspect] %s has connected.",
(char *) Name(player), 0, 0, 0, 0, 0);
}
if (d->host_info & H_SUSPECT) {
raw_broadcast(WIZARD,
(char *) "[Suspect site: %s] %s has connected.",
(char *) (d->addr), (char *) Name(player), 0, 0, 0, 0);
}
buf = atr_pget(player, A_ACONNECT, &aowner, &aflags);
if (buf && *buf)
wait_que(player, player, 0, NOTHING, buf, (char **) NULL, 0,
NULL);
free_lbuf(buf);
if (mudconf.use_global_aconn) {
DOLIST(temp, Contents(mudconf.master_room)) {
if (could_doit(player, temp, A_LUSE)) { /* respect uselock */
buf = atr_get(temp, A_ACONNECT, &aowner, &aflags);
if (buf && *buf)
wait_que(temp, player, 0, NOTHING, buf,
(char **) NULL, 0, NULL);
free_lbuf(buf);
}
}
}
time_str = ctime(&mudstate.now);
time_str[strlen(time_str) - 1] = '\0';
record_login(player, 1, time_str, d->addr);
#ifdef PUEBLO_SUPPORT
look_in(player, Location(player), (LK_SHOWEXIT | LK_OBEYTERSE | LK_SHOWVRML));
#else
look_in(player, Location(player), (LK_SHOWEXIT | LK_OBEYTERSE ));
#endif /* PUEBLO_SUPPORT */
mudstate.curr_enactor = temp;
}
void
announce_disconnect(player, d, reason)
dbref player;
DESC *d;
const char *reason;
{
dbref loc, aowner, temp;
int num, aflags, key;
char *buf, *atr_temp;
DESC *dtemp;
char *argv[1];
if (Suspect(player)) {
raw_broadcast(WIZARD,
(char *) "[Suspect] %s has disconnected.",
(char *) Name(player), 0, 0, 0, 0, 0);
}
if (d->host_info & H_SUSPECT) {
raw_broadcast(WIZARD,
(char *) "[Suspect site: %s] %s has disconnected.",
(char *) d->addr, (char *) Name(d->player), 0, 0, 0, 0);
}
loc = Location(player);
num = 0;
DESC_ITER_PLAYER(player, dtemp) num++;
temp = mudstate.curr_enactor;
mudstate.curr_enactor = player;
if (num < 2) {
buf = alloc_mbuf("announce_disconnect.only");
#ifdef RWHO_IN_USE
if (mudconf.rwho_transmit &&
(mudconf.control_flags & CF_RWHO_XMIT)) {
sprintf(buf, "%d@%s", player, mudconf.mud_name);
rwhocli_userlogout(buf);
}
#endif
sprintf(buf, "%s has disconnected.", Name(player));
key = MSG_INV;
if ((loc != NOTHING) && !(Dark(player) && Wizard(player)))
key |= (MSG_NBR | MSG_NBR_EXITS | MSG_LOC | MSG_FWDLIST);
notify_check(player, player, buf, key);
free_mbuf(buf);
argv[0] = (char *) reason;
c_Connected(player);
#ifdef PUEBLO_SUPPORT
c_Html(player);
#endif /* PUEBLO_SUPPORT */
atr_temp = atr_pget(player, A_ADISCONNECT, &aowner, &aflags);
if (atr_temp && *atr_temp)
wait_que(player, player, 0, NOTHING, atr_temp, argv, 1,
NULL);
free_lbuf(atr_temp);
if (mudconf.use_global_aconn) {
DOLIST(temp, Contents(mudconf.master_room)) {
if (could_doit(player, temp, A_LUSE)) { /* respect uselock */
atr_temp = atr_get(temp, A_ADISCONNECT, &aowner, &aflags);
if (atr_temp && *atr_temp)
wait_que(temp, player, 0, NOTHING, atr_temp,
argv, 1, NULL);
free_lbuf(atr_temp);
}
}
}
if (d->flags & DS_AUTODARK) {
s_Flags(d->player, Flags(d->player) & ~DARK);
d->flags &= ~DS_AUTODARK;
}
} else {
buf = alloc_mbuf("announce_disconnect.partial");
sprintf(buf, "%s has partially disconnected.", Name(player));
key = MSG_INV;
if ((loc != NOTHING) && !(Dark(player) && Wizard(player)))
key |= (MSG_NBR | MSG_NBR_EXITS | MSG_LOC | MSG_FWDLIST);
notify_check(player, player, buf, key);
free_mbuf(buf);
}
mudstate.curr_enactor = temp;
desc_delhash(d);
}
int
boot_off(player, message)
dbref player;
char *message;
{
DESC *d, *dnext;
int count;
count = 0;
DESC_SAFEITER_PLAYER(player, d, dnext) {
if (message && *message) {
queue_string(d, message);
queue_string(d, "\r\n");
}
shutdownsock(d, R_BOOT);
count++;
}
return count;
}
int
boot_by_port(port, no_god, message)
int port, no_god;
char *message;
{
DESC *d, *dnext;
int count;
count = 0;
DESC_SAFEITER_ALL(d, dnext) {
if ((d->descriptor == port) && (!no_god || !God(d->player))) {
if (message && *message) {
queue_string(d, message);
queue_string(d, "\r\n");
}
shutdownsock(d, R_BOOT);
count++;
}
}
return count;
}
/* ---------------------------------------------------------------------------
* desc_reload: Reload parts of net descriptor that are based on db info.
*/
void
desc_reload(player)
dbref player;
{
DESC *d;
char *buf;
dbref aowner;
FLAG aflags;
DESC_ITER_PLAYER(player, d) {
buf = atr_pget(player, A_TIMEOUT, &aowner, &aflags);
if (buf) {
d->timeout = atoi(buf);
if (d->timeout <= 0)
d->timeout = mudconf.idle_timeout;
}
free_lbuf(buf);
}
}
/* ---------------------------------------------------------------------------
* fetch_idle, fetch_connect: Return smallest idle time/largest connec time
* for a player (or -1 if not logged in)
*/
int
fetch_idle(target)
dbref target;
{
DESC *d;
int result, idletime;
result = -1;
DESC_ITER_PLAYER(target, d) {
idletime = (mudstate.now - d->last_time);
if ((result == -1) || (idletime < result))
result = idletime;
}
return result;
}
int
fetch_connect(target)
dbref target;
{
DESC *d;
int result, conntime;
result = -1;
DESC_ITER_PLAYER(target, d) {
conntime = (mudstate.now - d->connected_at);
if (conntime > result)
result = conntime;
}
return result;
}
void
NDECL(check_idle)
{
DESC *d, *dnext;
time_t idletime;
DESC_SAFEITER_ALL(d, dnext) {
if (d->flags & DS_CONNECTED) {
idletime = mudstate.now - d->last_time;
if (idletime > d->timeout) {
queue_string(d,
"*** Inactivity Timeout ***\r\n");
shutdownsock(d, R_TIMEOUT);
} else if (mudconf.idle_wiz_dark &&
(idletime > mudconf.idle_timeout) &&
Wizard(d->player) && !Dark(d->player)) {
s_Flags(d->player, Flags(d->player) | DARK);
d->flags |= DS_AUTODARK;
}
} else {
idletime = mudstate.now - d->connected_at;
if (idletime > mudconf.conn_timeout) {
queue_string(d,
"*** Login Timeout ***\r\n");
shutdownsock(d, R_TIMEOUT);
}
}
}
}
static char *
trimmed_name(player)
dbref player;
{
static char cbuff[18];
if (strlen(Name(player)) <= 16)
return Name(player);
strncpy(cbuff, Name(player), 16);
cbuff[16] = '\0';
return cbuff;
}
static void
dump_users(e, match, key)
DESC *e;
char *match;
int key;
{
DESC *d;
int count;
char *buf, *fp, *sp, flist[4], slist[4];
dbref room_it;
while (match && *match && isspace(*match))
match++;
if (!match || !*match)
match = NULL;
#ifdef PUEBLO_SUPPORT
if (e->flags & DS_PUEBLOCLIENT)
queue_string(e, "<pre>");
#endif /* PUEBLO_SUPPORT */
buf = alloc_mbuf("dump_users");
if (key == CMD_SESSION) {
queue_string(e, " ");
queue_string(e, " Characters Input---- Characters Output---\r\n");
}
queue_string(e, "Player Name On For Idle ");
if (key == CMD_SESSION) {
queue_string(e, "Port Pend Lost Total Pend Lost Total\r\n");
} else if ((e->flags & DS_CONNECTED) && Wizard(e->player) && (key == CMD_WHO)) {
queue_string(e, " Room Cmds Host\r\n");
} else {
if (Wizard(e->player))
queue_string(e, " ");
else
queue_string(e, " ");
queue_string(e, mudstate.doing_hdr);
queue_string(e, "\r\n");
}
count = 0;
DESC_ITER_CONN(d) {
if (!Hidden(d->player) ||
((e->flags & DS_CONNECTED) && Wizard(e->player))) {
count++;
if (match && !(string_prefix(Name(d->player), match)))
continue;
if ((key == CMD_SESSION) &&
!(Wizard(e->player) && (e->flags & DS_CONNECTED)) &&
(d->player != e->player))
continue;
/* Get choice flags for wizards */
fp = flist;
sp = slist;
if ((e->flags & DS_CONNECTED) && Wizard(e->player)) {
if (Hidden(d->player)) {
if (d->flags & DS_AUTODARK)
*fp++ = 'd';
else
*fp++ = 'D';
}
if (!Findable(d->player)) {
*fp++ = 'U';
} else {
room_it = where_room(d->player);
if (Good_obj(room_it)) {
if (Hideout(room_it))
*fp++ = 'u';
} else {
*fp++ = 'u';
}
}
if (Suspect(d->player))
*fp++ = '+';
if (d->host_info & H_FORBIDDEN)
*sp++ = 'F';
if (d->host_info & H_REGISTRATION)
*sp++ = 'R';
if (d->host_info & H_SUSPECT)
*sp++ = '+';
if (d->host_info & H_GUEST)
*sp++ = 'G';
}
*fp = '\0';
*sp = '\0';
if ((e->flags & DS_CONNECTED) &&
Wizard(e->player) &&
(key == CMD_WHO)) {
sprintf(buf,
"%-16s%9s %4s%-3s#%-6d%5d%3s%s\r\n",
trimmed_name(d->player),
time_format_1(mudstate.now - d->connected_at),
time_format_2(mudstate.now - d->last_time),
flist,
Location(d->player), d->command_count,
slist,
d->addr);
} else if (key == CMD_SESSION) {
sprintf(buf,
"%-16s%9s %4s%5d%5d%6d%10d%6d%6d%10d\r\n",
trimmed_name(d->player),
time_format_1(mudstate.now - d->connected_at),
time_format_2(mudstate.now - d->last_time),
d->descriptor,
d->input_size, d->input_lost,
d->input_tot,
d->output_size, d->output_lost,
d->output_tot);
} else if (Wizard(e->player)) {
sprintf(buf, "%-16s%9s %4s%-3s%s\r\n",
trimmed_name(d->player),
time_format_1(mudstate.now - d->connected_at),
time_format_2(mudstate.now - d->last_time),
flist,
d->doing);
} else {
sprintf(buf, "%-16s%9s %4s %s\r\n",
trimmed_name(d->player),
time_format_1(mudstate.now - d->connected_at),
time_format_2(mudstate.now - d->last_time),
d->doing);
}
queue_string(e, buf);
}
}
/* sometimes I like the ternary operator.... */
sprintf(buf, "%d Player%slogged in.\r\n", count,
(count == 1) ? " " : "s ");
queue_string(e, buf);
#ifdef PUEBLO_SUPPORT
if (e->flags & DS_PUEBLOCLIENT)
queue_string(e, "</pre>");
#endif
free_mbuf(buf);
}
/* ---------------------------------------------------------------------------
* do_mudwho: Special WHO for Howard's intermud paging/who server.
* Original code by Howard.
*/
void
do_mudwho(player, cause, key, name, mud)
dbref player, cause;
int key;
char *name, *mud;
{
DESC *d;
int players;
players = 0;
notify(player,
tprintf("@inwho %s@%s=Player On For Idle %s",
name, mud, mudstate.doing_hdr));
DESC_ITER_CONN(d) {
if (!Hidden(d->player)) {
notify(player,
tprintf("@inwho %s@%s=%-16.16s %10s %4s %s",
name, mud,
trimmed_name(d->player),
time_format_1(mudstate.now - d->connected_at),
time_format_2(mudstate.now - d->last_time),
d->doing ? d->doing : ""));
players++;
}
}
notify(player,
tprintf("@inwho %s@%s=%d player%s %s connected.",
name, mud, players, (players == 1) ? "" : "s",
(players == 1) ? "is" : "are"));
}
/* ---------------------------------------------------------------------------
* do_doing: Set the doing string that appears in the WHO report.
* Idea from R'nice@TinyTIM.
*/
void
do_doing(player, cause, key, arg)
dbref player, cause;
int key;
char *arg;
{
DESC *d;
char *c, *p;
int foundany, over;
if (key == DOING_MESSAGE) {
foundany = 0;
over = 0;
for (p = arg; *p; p++)
if ((*p == '\t') || (*p == '\r') || (*p == '\n'))
*p = ' ';
DESC_ITER_PLAYER(player, d) {
c = d->doing;
over = safe_copy_str(arg, d->doing, &c, DOING_LEN-1);
foundany = 1;
}
if (foundany) {
if (over) {
notify(player, tprintf("Warning: %d characters lost.", over));
}
if (!Quiet(player))
notify(player, "Set.");
} else {
notify(player, "Not connected.");
}
} else if (key == DOING_HEADER) {
if (!arg || !*arg) {
strcpy(mudstate.doing_hdr, "Doing");
over = 0;
} else {
c = mudstate.doing_hdr;
over = safe_copy_str(arg, mudstate.doing_hdr, &c, DOING_LEN-1);
}
if (over) {
notify(player,
tprintf("Warning: %d characters lost.", over + 1));
}
if (!Quiet(player))
notify(player, "Set.");
} else {
notify(player, tprintf("Poll: %s", mudstate.doing_hdr));
}
}
NAMETAB logout_cmdtable[] =
{
{(char *) "DOING", 5, CA_PUBLIC, CMD_DOING},
{(char *) "LOGOUT", 6, CA_PUBLIC, CMD_LOGOUT},
{(char *) "OUTPUTPREFIX", 12, CA_PUBLIC, CMD_PREFIX | CMD_NOxFIX},
{(char *) "OUTPUTSUFFIX", 12, CA_PUBLIC, CMD_SUFFIX | CMD_NOxFIX},
{(char *) "QUIT", 4, CA_PUBLIC, CMD_QUIT},
#ifdef LOCAL_RWHO_SERVER
{(char *) "RWHO", 4, CA_PUBLIC, CMD_RWHO},
#endif
{(char *) "SESSION", 7, CA_PUBLIC, CMD_SESSION},
{(char *) "WHO", 3, CA_PUBLIC, CMD_WHO},
{(char *) "PUEBLOCLIENT", 12, CA_PUBLIC, CMD_PUEBLOCLIENT},
{NULL, 0, 0, 0}};
void
NDECL(init_logout_cmdtab)
{
NAMETAB *cp;
/* Make the htab bigger than the number of entries so that we find
* things on the first check. Remember that the admin can add aliases.
*/
hashinit(&mudstate.logout_cmd_htab, 19);
for (cp = logout_cmdtable; cp->flag; cp++)
hashadd(cp->name, (int *) cp, &mudstate.logout_cmd_htab);
}
static void
failconn(logcode, logtype, logreason, d, disconnect_reason,
player, filecache, motd_msg, command, user, password, cmdsave)
const char *logcode, *logtype, *logreason;
char *motd_msg, *command, *user, *password, *cmdsave;
DESC *d;
int disconnect_reason, filecache;
dbref player;
{
char *buff;
STARTLOG(LOG_LOGIN | LOG_SECURITY, logcode, "RJCT")
buff = alloc_mbuf("failconn.LOG");
sprintf(buff, "[%d/%s] %s rejected to ",
d->descriptor, d->addr, logtype);
log_text(buff);
free_mbuf(buff);
if (player != NOTHING)
log_name(player);
else
log_text(user);
log_text((char *) " (");
log_text((char *) logreason);
log_text((char *) ")");
ENDLOG
fcache_dump(d, filecache);
if (*motd_msg) {
queue_string(d, motd_msg);
queue_write(d, "\r\n", 2);
}
free_mbuf(command);
free_mbuf(user);
free_mbuf(password);
shutdownsock(d, disconnect_reason);
mudstate.debug_cmd = cmdsave;
return;
}
static const char *connect_fail =
"Either that player does not exist, or has a different password.\r\n";
static const char *create_fail =
"Either there is already a player with that name, or that name is illegal.\r\n";
static int
check_connect(d, msg)
DESC *d;
const char *msg;
{
char *command, *user, *password, *buff, *cmdsave;
dbref player, aowner;
int aflags, nplayers;
DESC *d2;
cmdsave = mudstate.debug_cmd;
mudstate.debug_cmd = (char *) "< check_connect >";
/* Hide the password length from SESSION */
d->input_tot -= (strlen(msg) + 1);
/* Crack the command apart */
command = alloc_mbuf("check_conn.cmd");
user = alloc_mbuf("check_conn.user");
password = alloc_mbuf("check_conn.pass");
parse_connect(msg, command, user, password);
if (!strncmp(command, "co", 2)) {
/* See if this connection would exceed the max #players */
if (mudconf.max_players < 0) {
nplayers = mudconf.max_players - 1;
} else {
nplayers = 0;
DESC_ITER_CONN(d2)
nplayers++;
}
player = connect_player(user, password, d->addr);
if (player == NOTHING) {
/* Not a player, or wrong password */
queue_string(d, connect_fail);
STARTLOG(LOG_LOGIN | LOG_SECURITY, "CON", "BAD")
buff = alloc_mbuf("check_conn.LOG.bad");
sprintf(buff, "[%d/%s] Failed connect to '",
d->descriptor, d->addr);
log_text(buff);
log_text(user);
log_text("'");
free_mbuf(buff);
ENDLOG
if (--(d->retries_left) <= 0) {
free_mbuf(command);
free_mbuf(user);
free_mbuf(password);
shutdownsock(d, R_BADLOGIN);
mudstate.debug_cmd = cmdsave;
return 0;
}
} else if (((mudconf.control_flags & CF_LOGIN) &&
(nplayers < mudconf.max_players)) ||
Wizard(player) || God(player)) {
/* First make sure we don't have a guest from a bad host. */
if (Guest(player) && (d->host_info & H_GUEST)) {
failconn("CON", "Connect", "Guest Site Forbidden", d,
R_GAMEDOWN, player, FC_CONN_SITE,
mudconf.downmotd_msg, command, user, password,
cmdsave);
return 0;
}
/* Logins are enabled, or wiz or god */
STARTLOG(LOG_LOGIN, "CON", "LOGIN")
buff = alloc_mbuf("check_conn.LOG.login");
sprintf(buff, "[%d/%s] Connected to ",
d->descriptor, d->addr);
log_text(buff);
log_name_and_loc(player);
free_mbuf(buff);
ENDLOG
d->flags |= DS_CONNECTED;
d->connected_at = time(0);
d->player = player;
/* Give the player the MOTD file and the settable MOTD
* message(s). Use raw notifies so the player doesn't
* try to match on the text. */
if (Guest(player)) {
fcache_dump(d, FC_CONN_GUEST);
} else {
buff = atr_get(player, A_LAST, &aowner, &aflags);
if ((buff == NULL) || (*buff == '\0'))
fcache_dump(d, FC_CREA_NEW);
else
fcache_dump(d, FC_MOTD);
if (Wizard(player))
fcache_dump(d, FC_WIZMOTD);
free_lbuf(buff);
}
announce_connect(player, d);
} else if (!(mudconf.control_flags & CF_LOGIN)) {
failconn("CON", "Connect", "Logins Disabled", d,
R_GAMEDOWN, player, FC_CONN_DOWN,
mudconf.downmotd_msg, command, user, password,
cmdsave);
return 0;
} else {
failconn("CON", "Connect", "Game Full", d,
R_GAMEFULL, player, FC_CONN_FULL,
mudconf.fullmotd_msg, command, user, password,
cmdsave);
return 0;
}
} else if (!strncmp(command, "cr", 2)) {
/* Enforce game down */
if (!(mudconf.control_flags & CF_LOGIN)) {
failconn("CRE", "Create", "Logins Disabled", d,
R_GAMEDOWN, NOTHING, FC_CONN_DOWN,
mudconf.downmotd_msg, command, user, password,
cmdsave);
return 0;
}
/* Enforce max #players */
if (mudconf.max_players < 0) {
nplayers = mudconf.max_players;
} else {
nplayers = 0;
DESC_ITER_CONN(d2)
nplayers++;
}
if (nplayers > mudconf.max_players) {
/* Too many players on, reject the attempt */
failconn("CRE", "Create", "Game Full", d,
R_GAMEFULL, NOTHING, FC_CONN_FULL,
mudconf.fullmotd_msg, command, user, password,
cmdsave);
return 0;
}
if (d->host_info & H_REGISTRATION) {
fcache_dump(d, FC_CREA_REG);
} else {
player = create_player(user, password, NOTHING, 0);
if (player == NOTHING) {
queue_string(d, create_fail);
STARTLOG(LOG_SECURITY | LOG_PCREATES, "CON", "BAD")
buff = alloc_mbuf("check_conn.LOG.badcrea");
sprintf(buff, "[%d/%s] Create of '", d->descriptor, d->addr);
log_text(buff);
log_text(user);
log_text("' failed");
free_mbuf(buff);
ENDLOG
} else {
STARTLOG(LOG_LOGIN | LOG_PCREATES, "CON", "CREA")
buff = alloc_mbuf("check_conn.LOG.create");
sprintf(buff, "[%d/%s] Created ",
d->descriptor, d->addr);
log_text(buff);
log_name(player);
free_mbuf(buff);
ENDLOG
move_object(player, mudconf.start_room);
d->flags |= DS_CONNECTED;
d->connected_at = time(0);
d->player = player;
fcache_dump(d, FC_CREA_NEW);
announce_connect(player, d);
}
}
} else {
welcome_user(d);
}
free_mbuf(command);
free_mbuf(user);
free_mbuf(password);
mudstate.debug_cmd = cmdsave;
return 1;
}
static int
do_command(d, command)
DESC *d;
char *command;
{
char *arg, *cmdsave, *logbuf, *log_cmdbuf;
NAMETAB *cp;
long begin_time, used_time;
cmdsave = mudstate.debug_cmd;
mudstate.debug_cmd = (char *) "< do_command >";
/* Split off the command from the arguments */
arg = command;
while (*arg && !isspace(*arg))
arg++;
if (*arg)
*arg++ = '\0';
/* Look up the command. If we don't find it, turn it over to the
* normal logged-in command processor or to create/connect
*/
cp = (NAMETAB *) hashfind(command, &mudstate.logout_cmd_htab);
if (cp == NULL) {
if (*arg)
*--arg = ' '; /* restore nullified space */
if (d->flags & DS_CONNECTED) {
d->command_count++;
if (d->output_prefix) {
queue_string(d, d->output_prefix);
queue_write(d, "\r\n", 2);
}
mudstate.curr_player = d->player;
mudstate.curr_enactor = d->player;
#ifndef NO_LAG_CHECK
begin_time = time(NULL);
#endif /* NO_LAG_CHECK */
log_cmdbuf = process_command(d->player, d->player, 1,
command, (char **) NULL, 0);
#ifndef NO_LAG_CHECK
used_time = time(NULL) - begin_time;
if (used_time >= mudconf.max_cmdsecs) {
STARTLOG(LOG_PROBLEMS, "CMD", "CPU")
log_name_and_loc(d->player);
logbuf = alloc_lbuf("do_command.LOG.cpu");
sprintf(logbuf, " entered command taking %d secs: ", used_time);
log_text(logbuf);
free_lbuf(logbuf);
log_text(log_cmdbuf);
ENDLOG
}
#endif /* NO_LAG_CHECK */
mudstate.curr_cmd = (char *) "";
if (d->output_suffix) {
queue_string(d, d->output_suffix);
queue_write(d, "\r\n", 2);
}
mudstate.debug_cmd = cmdsave;
return 1;
} else {
mudstate.debug_cmd = cmdsave;
return (check_connect(d, command));
}
}
/* The command was in the logged-out command table. Perform prefix
* and suffix processing, and invoke the command handler.
*/
d->command_count++;
if (!(cp->flag & CMD_NOxFIX)) {
if (d->output_prefix) {
queue_string(d, d->output_prefix);
queue_write(d, "\r\n", 2);
}
}
if ((!check_access(d->player, cp->perm)) ||
((cp->perm & CA_PLAYER) && !(d->flags & DS_CONNECTED))) {
queue_string(d, "Permission denied.\r\n");
} else {
mudstate.debug_cmd = cp->name;
switch (cp->flag & CMD_MASK) {
case CMD_QUIT:
shutdownsock(d, R_QUIT);
mudstate.debug_cmd = cmdsave;
return 0;
case CMD_LOGOUT:
shutdownsock(d, R_LOGOUT);
break;
case CMD_WHO:
dump_users(d, arg, CMD_WHO);
break;
case CMD_DOING:
dump_users(d, arg, CMD_DOING);
break;
case CMD_SESSION:
dump_users(d, arg, CMD_SESSION);
break;
#ifdef LOCAL_RWHO_SERVER
case CMD_RWHO:
dump_rusers(d);
break;
#endif
case CMD_PREFIX:
set_userstring(&d->output_prefix, arg);
break;
case CMD_SUFFIX:
set_userstring(&d->output_suffix, arg);
break;
case CMD_PUEBLOCLIENT:
#ifdef PUEBLO_SUPPORT
/* Set the descriptor's flag */
d->flags |= DS_PUEBLOCLIENT;
/* If connected, set the player's flag */
if (d->player) {
s_Html(d->player);
}
queue_string(d, mudconf.pueblo_msg);
queue_string(d, "\r\n");
fcache_dump(d, FC_CONN_HTML);
STARTLOG(LOG_LOGIN, "CON", "HTML")
arg = alloc_mbuf("do_command.LOG.con_html");
sprintf(arg, "[%d/%s] PuebloClient enabled.", d->descriptor,
d->addr);
log_text(arg);
free_mbuf(arg);
ENDLOG
#else
queue_string(d, "Sorry. This MUSH does not have Pueblo support enabled.\r\n");
#endif /* PUEBLO_SUPPORT */
break;
default:
STARTLOG(LOG_BUGS, "BUG", "PARSE")
arg = alloc_lbuf("do_command.LOG");
sprintf(arg,
"Prefix command with no handler: '%s'",
command);
log_text(arg);
free_lbuf(arg);
ENDLOG
}
}
if (!(cp->flag & CMD_NOxFIX)) {
if (d->output_prefix) {
queue_string(d, d->output_suffix);
queue_write(d, "\r\n", 2);
}
}
mudstate.debug_cmd = cmdsave;
return 1;
}
void
NDECL(process_commands)
{
int nprocessed;
DESC *d, *dnext;
CBLK *t;
char *cmdsave;
cmdsave = mudstate.debug_cmd;
mudstate.debug_cmd = (char *) "process_commands";
do {
nprocessed = 0;
DESC_SAFEITER_ALL(d, dnext) {
if (d->quota > 0 && (t = d->input_head)) {
d->quota--;
nprocessed++;
d->input_head = (CBLK *) t->hdr.nxt;
if (!d->input_head)
d->input_tail = NULL;
d->input_size -= (strlen(t->cmd) + 1);
do_command(d, t->cmd);
free_lbuf(t);
}
}
} while (nprocessed > 0);
mudstate.debug_cmd = cmdsave;
}
/* ---------------------------------------------------------------------------
* site_check: Check for site flags in a site list.
*/
int
site_check(host, site_list)
struct in_addr host;
SITE *site_list;
{
SITE *this;
for (this = site_list; this; this = this->next) {
if ((host.s_addr & this->mask.s_addr) == this->address.s_addr)
return this->flag;
}
return 0;
}
/* --------------------------------------------------------------------------
* list_sites: Display information in a site list
*/
#define S_SUSPECT 1
#define S_ACCESS 2
static const char *
stat_string(strtype, flag)
int strtype, flag;
{
const char *str;
switch (strtype) {
case S_SUSPECT:
if (flag)
str = "Suspected";
else
str = "Trusted";
break;
case S_ACCESS:
switch (flag) {
case H_FORBIDDEN:
str = "Forbidden";
break;
case H_REGISTRATION:
str = "Registration";
break;
case H_GUEST:
str = "NoGuest";
break;
case 0:
str = "Unrestricted";
break;
default:
str = "Strange";
}
break;
default:
str = "Strange";
}
return str;
}
static void
list_sites(player, site_list, header_txt, stat_type)
dbref player;
SITE *site_list;
const char *header_txt;
int stat_type;
{
char *buff, *buff1, *str;
SITE *this;
buff = alloc_mbuf("list_sites.buff");
buff1 = alloc_sbuf("list_sites.addr");
sprintf(buff, "----- %s -----", header_txt);
notify(player, buff);
notify(player, "Address Mask Status");
for (this = site_list; this; this = this->next) {
str = (char *) stat_string(stat_type, this->flag);
strcpy(buff1, inet_ntoa(this->mask));
sprintf(buff, "%-20s %-20s %s",
inet_ntoa(this->address), buff1, str);
notify(player, buff);
}
free_mbuf(buff);
free_sbuf(buff1);
}
/* ---------------------------------------------------------------------------
* list_siteinfo: List information about specially-marked sites.
*/
void
list_siteinfo(player)
dbref player;
{
list_sites(player, mudstate.access_list, "Site Access",
S_ACCESS);
list_sites(player, mudstate.suspect_list, "Suspected Sites",
S_SUSPECT);
}
/* ---------------------------------------------------------------------------
* make_ulist: Make a list of connected user numbers for the LWHO function.
*/
void
make_ulist(player, buff)
dbref player;
char *buff;
{
char *cp, nbuf[20];
DESC *d;
cp = buff;
DESC_ITER_CONN(d) {
if (!Wizard(player) && Hidden(d->player))
continue;
if (cp != buff) {
safe_chr(' ', buff, &cp);
}
safe_chr('#', buff, &cp);
ltos(nbuf, d->player);
safe_str(nbuf, buff, &cp);
}
*cp = '\0';
}
/* ---------------------------------------------------------------------------
* make_portlist: Make a list of ports for PORTS().
*/
void
make_portlist(player, target, buff)
dbref player;
dbref target;
char *buff;
{
DESC *d;
*buff = '\0';
DESC_ITER_CONN(d) {
if (d->player == target) {
if (*buff)
sprintf(buff, "%s %d", buff, d->descriptor);
else
ltos(buff, d->descriptor);
}
}
}
/* ---------------------------------------------------------------------------
* find_connected_name: Resolve a playername from the list of connected
* players using prefix matching. We only return a match if the prefix
* was unique.
*/
dbref
find_connected_name(player, name)
dbref player;
char *name;
{
DESC *d;
dbref found;
found = NOTHING;
DESC_ITER_CONN(d) {
if (Good_obj(player) && !Wizard(player) && Hidden(d->player))
continue;
if (!string_prefix(Name(d->player), name))
continue;
if ((found != NOTHING) && (found != d->player))
return NOTHING;
found = d->player;
}
return found;
}
/* ---------------------------------------------------------------------------
* rwho_update: Send RWHO info to the remote RWHO server.
*/
#ifdef RWHO_IN_USE
void
NDECL(rwho_update)
{
DESC *d;
char *buf;
if (!(mudconf.rwho_transmit && (mudconf.control_flags & CF_RWHO_XMIT)))
return;
buf = alloc_mbuf("rwho_update");
rwhocli_pingalive();
DESC_ITER_ALL(d) {
if ((d->flags & DS_CONNECTED) && !Hidden(d->player)) {
sprintf(buf, "%d@%s", d->player, mudconf.mud_name);
rwhocli_userlogin(buf, Name(d->player), d->connected_at);
}
}
free_mbuf(buf);
}
#endif