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deb-mbse/mbtask/taskregs.c

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/*****************************************************************************
*
* $Id$
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* Purpose ...............: Buffers for registration information.
*
*****************************************************************************
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* Copyright (C) 1997-2005
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*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* MB BBS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MB BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
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#include "../config.h"
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#include "../lib/mbselib.h"
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#include "taskstat.h"
#include "taskregs.h"
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#include "taskchat.h"
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#include "taskutil.h"
extern reg_info reginfo[MAXCLIENT]; /* Array with clients */
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extern struct sysconfig CFG; /* System config */
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static int entrypos = 0; /* Status pointer */
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static int mailers = 0; /* Registered mailers */
static int sysop_present = 0; /* Sysop present */
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int ipmailers = 0; /* TCP/IP mail sessions */
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/***********************************************************************
*
* Search for a pid.
*/
int reg_find(char *);
int reg_find(char *pids)
{
int i;
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for (i = 0; i < MAXCLIENT; i++) {
if ((int)reginfo[i].pid == atoi(pids))
return i;
}
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Syslog('?', "Panic, pid %s not found", pids);
return -1;
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}
/***********************************************************************
*
* Registrate a new connection and fill the data.
*/
int reg_newcon(char *data)
{
char *cnt, *pid, *tty, *uid, *prg, *city;
int retval;
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cnt = strtok(data, ",");
pid = strtok(NULL, ",");
tty = strtok(NULL, ",");
uid = strtok(NULL, ",");
prg = strtok(NULL, ",");
city = strtok(NULL, ";");
/*
* Abort if no empty record is found
*/
if ((retval = reg_find((char *)"0")) == -1) {
Syslog('?', "Maximum clients (%d) reached", MAXCLIENT);
return -1;
}
memset((char *)&reginfo[retval], 0, sizeof(reg_info));
reginfo[retval].pid = atoi(pid);
strncpy((char *)&reginfo[retval].tty, tty, 6);
strncpy((char *)&reginfo[retval].uname, uid, 35);
strncpy((char *)&reginfo[retval].prg, prg, 14);
strncpy((char *)&reginfo[retval].city, city, 35);
strcpy((char *)&reginfo[retval].doing, "-");
reginfo[retval].started = time(NULL);
reginfo[retval].lastcon = time(NULL);
reginfo[retval].altime = 600;
/*
* Everyone says do not disturb, unless the flag
* is cleared by the owner of this process.
*/
reginfo[retval].silent = 1;
stat_inc_clients();
if (strcmp(prg, (char *)"mbcico") == 0)
mailers++;
Syslog('-', "Registered client pgm \"%s\", pid %s, slot %d, mailers %d, TCP/IP %d",
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prg, pid, retval, mailers, ipmailers);
return retval;
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}
int reg_closecon(char *data)
{
char *cnt, *pid;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ";");
if ((rec = reg_find(pid)) == -1)
return -1;
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if (strcmp(reginfo[rec].prg, (char *)"mbcico") == 0)
mailers--;
if (reginfo[rec].istcp)
ipmailers--;
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if ((strcmp(reginfo[rec].prg, (char *)"mbsebbs") == 0) || (strcmp(reginfo[rec].prg, (char *)"mbmon") == 0))
chat_cleanuser(atoi(pid));
Syslog('-', "Unregistered client pgm \"%s\", pid %s, slot %d, mailers %d, TCP/IP %d",
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reginfo[rec].prg, pid, rec, mailers, ipmailers);
memset(&reginfo[rec], 0, sizeof(reg_info));
stat_dec_clients();
return 0;
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}
/*
* Check all registred connections.
*/
void reg_check(void)
{
int i;
time_t Now;
Now = time(NULL);
for (i = 1; i < MAXCLIENT; i++) {
if (reginfo[i].pid) {
if (kill(reginfo[i].pid, 0) == -1) {
if (errno == ESRCH) {
if (strcmp(reginfo[i].prg, (char *)"mbcico") == 0)
mailers--;
if (reginfo[i].istcp)
ipmailers--;
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if ((strcmp(reginfo[i].prg, (char *)"mbsebbs") == 0) || (strcmp(reginfo[i].prg, (char *)"mbmon") == 0))
chat_cleanuser(reginfo[i].pid);
Syslog('?', "Stale registration found for pid %d (%s), mailers now %d, TCP/IP now %d",
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reginfo[i].pid, reginfo[i].prg, mailers, ipmailers);
memset(&reginfo[i], 0, sizeof(reg_info));
stat_dec_clients();
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}
} else {
/*
* Check timeout
*/
if ((Now - reginfo[i].lastcon) >= reginfo[i].altime) {
if (reginfo[i].altime < 600) {
kill(reginfo[i].pid, SIGKILL);
Syslog('+', "Send SIGKILL to pid %d", reginfo[i].pid);
} else {
kill(reginfo[i].pid, SIGTERM);
Syslog('+', "Send SIGTERM to pid %d", reginfo[i].pid);
}
/*
* 10 seconds to the next kill
*/
reginfo[i].altime = 10;
reginfo[i].lastcon = time(NULL);
}
}
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}
}
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}
/*
* Update doing information for this process.
*/
int reg_doing(char *data)
{
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char *cnt, *pid, *line;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ",");
line = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
return -1;
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strncpy(reginfo[rec].doing, line, 35);
reginfo[rec].lastcon = time(NULL);
return 0;
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}
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/*
* Registrate connection as TCP/IP connection
*/
int reg_ip(char *data)
{
char *cnt, *pid;
int rec;
cnt = strtok(data, ",");
pid = strtok(NULL, ";");
if ((rec = reg_find(pid)) == -1)
return -1;
reginfo[rec].istcp = TRUE;
reginfo[rec].lastcon = time(NULL);
ipmailers++;
Syslog('?', "TCP/IP session registered (%s), now %d sessions", pid, ipmailers);
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return 0;
}
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/*
* Update timer using NOP
*/
int reg_nop(char *data)
{
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char *cnt, *pid;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ";");
if ((rec = reg_find(pid)) == -1)
return -1;
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reginfo[rec].lastcon = time(NULL);
return 0;
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}
/*
* Set new timer value
*/
int reg_timer(int Set, char *data)
{
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char *pid;
int cnt, rec, val;
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cnt = atoi(strtok(data, ","));
if (Set) {
if (cnt != 2)
return -1;
pid = strtok(NULL, ",");
val = atoi(strtok(NULL, ";"));
if (val < 600)
val = 600;
} else {
if (cnt != 1)
return -1;
pid = strtok(NULL, ";");
val = 600;
}
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if ((rec = reg_find(pid)) == -1)
return -1;
reginfo[rec].altime = val;
reginfo[rec].lastcon = time(NULL);
Syslog('r', "Set timeout value for %d to %d", reginfo[rec].pid, val);
return 0;
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}
/*
* Update tty information for this process.
*/
int reg_tty(char *data)
{
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char *cnt, *pid, *tty;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ",");
tty = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
return -1;
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strncpy((char *)&reginfo[rec].tty, tty, 6);
reginfo[rec].lastcon = time(NULL);
return 0;
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}
/*
* Update the "do not disturb" flag.
*/
int reg_silent(char *data)
{
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char *cnt, *pid, *line;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ",");
line = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
return -1;
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reginfo[rec].silent = atoi(line);
reginfo[rec].lastcon = time(NULL);
return 0;
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}
/*
* Update username and city for this process.
*/
int reg_user(char *data)
{
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char *cnt, *pid, *user, *city;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ",");
user = strtok(NULL, ",");
city = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
return -1;
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strncpy((char *)&reginfo[rec].uname, user, 35);
strncpy((char *)&reginfo[rec].city, city, 35);
reginfo[rec].lastcon = time(NULL);
return 0;
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}
/*
* Register sysop available for chat
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*/
int reg_sysop(char *data)
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{
char *cnt, *pid;
int rec;
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cnt = strtok(data, ",");
pid = strtok(NULL, ",");
sysop_present = atoi(strtok(NULL, ";"));
if ((rec = reg_find(pid)) != -1) {
reginfo[rec].lastcon = time(NULL);
}
Syslog('+', "Sysop present for chat: %s", sysop_present ? "True":"False");
return 0;
}
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/*
* Check for personal message
*/
char *reg_ipm(char *data)
{
char *cnt, *pid;
static char buf[128];
int rec;
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buf[0] = '\0';
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snprintf(buf, 128, "100:0;");
cnt = strtok(data, ",");
pid = strtok(NULL, ";");
if ((rec = reg_find(pid)) == -1)
return buf;
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reginfo[rec].lastcon = time(NULL);
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if (!reginfo[rec].ismsg)
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return buf;
buf[0] = '\0';
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snprintf(buf, 128, "100:2,%s,%s;", reginfo[rec].fname[reginfo[rec].ptr_out], reginfo[rec].msg[reginfo[rec].ptr_out]);
if (reginfo[rec].ptr_out < RB)
reginfo[rec].ptr_out++;
else
reginfo[rec].ptr_out = 0;
if (reginfo[rec].ptr_out == reginfo[rec].ptr_in)
reginfo[rec].ismsg = FALSE;
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Syslog('+', "reg_ipm: in=%d out=%d ismsg=%d", reginfo[rec].ptr_in, reginfo[rec].ptr_out, reginfo[rec].ismsg);
return buf;
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}
/*
* Send personal message
*/
int reg_spm(char *data)
{
char *cnt, *from, *too, *txt, *logm;
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int i;
cnt = strtok(data, ",");
from = strtok(NULL, ",");
too = strtok(NULL, ",");
txt = strtok(NULL, "\0");
txt[strlen(txt)-1] = '\0';
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Syslog('-', "SIPM:%s,%s,%s,%s;", cnt, from, too, txt);
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for (i = 0; i < MAXCLIENT; i++) {
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if (reginfo[i].pid && (strcasecmp(reginfo[i].uname, too) == 0)) {
/*
* If the in and out pointers are the same and the
* message present flag is still set, then this user
* can't get anymore new messages.
*/
if (reginfo[i].ismsg && (reginfo[i].ptr_in == reginfo[i].ptr_out)) {
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return 2;
}
/*
* If user has the "do not distrurb" flag set, but the sysop ignore's this.
*/
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if (reginfo[i].silent) {
return 1;
}
/*
* If all is well, insert the new message.
*/
strncpy((char *)&reginfo[i].fname[reginfo[i].ptr_in], from, 35);
strncpy((char *)&reginfo[i].msg[reginfo[i].ptr_in], txt, 80);
if (reginfo[i].ptr_in < RB)
reginfo[i].ptr_in++;
else
reginfo[i].ptr_in = 0;
reginfo[i].ismsg = TRUE;
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if (CFG.iAutoLog && strlen(CFG.chat_log)) {
logm = calloc(PATH_MAX, sizeof(char));
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snprintf(logm, PATH_MAX, "%s/log/%s", getenv("MBSE_ROOT"), CFG.chat_log);
ulog(logm, (char *)"+", from, (char *)"-1", txt);
free(logm);
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}
Syslog('+', "reg_spm: rec=%d in=%d out=%d ismsg=%d", i, reginfo[i].ptr_in, reginfo[i].ptr_out, reginfo[i].ismsg);
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return 0;
}
}
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return 3; // Error, user not found
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}
char *reg_fre(void)
{
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static char buf[80];
int i, users = 0, utils = 0;
buf[0] = '\0';
for (i = 1; i < MAXCLIENT; i++) {
if (reginfo[i].pid) {
if ((!strncmp(reginfo[i].prg, "mbsebbs", 7)) ||
(!strncmp(reginfo[i].prg, "mbnewusr", 8)) ||
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(!strncmp(reginfo[i].prg, "mbnntp", 6)))
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users++;
if ((!strncmp(reginfo[i].prg, "mbfido", 6)) ||
(!strncmp(reginfo[i].prg, "mbmail", 6)) ||
(!strncmp(reginfo[i].prg, "mball", 5)) ||
(!strncmp(reginfo[i].prg, "mbaff", 5)) ||
(!strncmp(reginfo[i].prg, "mbcico", 6)) ||
(!strncmp(reginfo[i].prg, "mbfile", 6)) ||
(!strncmp(reginfo[i].prg, "mbmsg", 5)) ||
(!strncmp(reginfo[i].prg, "mbindex", 7)) ||
(!strncmp(reginfo[i].prg, "mbdiff", 6)) ||
(!strncmp(reginfo[i].prg, "mbuser", 6)))
utils++;
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}
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}
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if (users || utils)
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snprintf(buf, 80, "100:1,Running utilities: %02d Active users: %02d;", utils, users);
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else
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snprintf(buf, 80, "100:0;");
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return buf;
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}
/*
* Get registration information. The first time the parameter
* must be 1, for the next searches 0. Returns 100:0; if there
* is an error or the end of file is reached.
*/
char *get_reginfo(int first)
{
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static char buf[256];
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memset(&buf, 0, sizeof(buf));
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snprintf(buf, 256, "100:0;");
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/*
* Loop forever until an error occours, eof is reached or
* the data is valid. Only in the last case valid data is
* returned to the caller.
*/
for (;;) {
if (first == 1)
entrypos = 0;
else
entrypos++;
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if (entrypos == MAXCLIENT)
return buf;
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if ((int)reginfo[entrypos].pid != 0) {
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snprintf(buf, 256, "100:7,%d,%s,%s,%s,%s,%s,%d;",
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reginfo[entrypos].pid, reginfo[entrypos].tty,
reginfo[entrypos].uname, reginfo[entrypos].prg,
reginfo[entrypos].city, reginfo[entrypos].doing,
(int)reginfo[entrypos].started);
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return buf;
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}
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}
/* never reached */
}
/*
* Page sysop for a chat
*/
int reg_page(char *data)
{
char *cnt, *pid, *reason;
int i, rec;
cnt = strtok(data, ",");
pid = strtok(NULL, ",");
reason = strtok(NULL, "\0");
reason[strlen(reason)-1] = '\0';
Syslog('+', "reg_page: pid=%d, reason=\"%s\"", pid, reason);
if (!sysop_present)
return 2;
/*
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* Check if another user is paging the sysop or has paged the sysop.
* If so, mark sysop busy.
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*/
for (i = 1; i < MAXCLIENT; i++) {
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if (reginfo[i].pid && (reginfo[i].pid != atoi(pid)) && (reginfo[i].paging || reginfo[i].haspaged))
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return 1;
}
if ((rec = reg_find(pid)) == -1)
return 3;
/*
* All seems well, accept the page
*/
reginfo[rec].paging = TRUE;
strncpy(reginfo[rec].reason, reason, 80);
reginfo[rec].lastcon = time(NULL);
return 0;
}
/*
* Cancel page sysop for a chat
*/
int reg_cancel(char *data)
{
char *cnt, *pid;
int rec;
cnt = strtok(data, ",");
pid = strtok(NULL, ";");
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Syslog('+', "reg_cancel: pid=%s", pid);
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if ((rec = reg_find(pid)) == -1)
return -1;
if (reginfo[rec].paging) {
reginfo[rec].paging = FALSE;
reginfo[rec].haspaged = TRUE;
}
reginfo[rec].lastcon = time(NULL);
return 0;
}
/*
* Check paging status for from mbmon
*/
char *reg_checkpage(char *data)
{
static char buf[128];
int i;
memset(&buf, 0, sizeof(buf));
for (i = 1; i < MAXCLIENT; i++) {
if (reginfo[i].pid && reginfo[i].paging) {
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snprintf(buf, 128, "100:3,%d,1,%s;", reginfo[i].pid, reginfo[i].reason);
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return buf;
}
if (reginfo[i].pid && reginfo[i].haspaged) {
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snprintf(buf, 128, "100:3,%d,0,%s;", reginfo[i].pid, reginfo[i].reason);
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return buf;
}
}
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snprintf(buf, 128, "100:0;");
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return buf;
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}
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/*
* Check if this user has paged or is paging
*/
int reg_ispaging(char *pid)
{
int rec;
if ((rec = reg_find(pid)) == -1)
return FALSE;
return (reginfo[rec].paging || reginfo[rec].haspaged);
}
/*
* Mark that this user is now talking to the sysop
*/
void reg_sysoptalk(char *pid)
{
int rec;
if ((rec = reg_find(pid)) == -1)
return;
reginfo[rec].paging = FALSE;
reginfo[rec].haspaged = FALSE;
}