479 lines
10 KiB
C
479 lines
10 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Buffers for registration information.
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*
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*****************************************************************************
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* Copyright (C) 1997-2001
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MB BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MB BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*****************************************************************************/
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#include "libs.h"
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#include "../lib/structs.h"
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#include "taskstat.h"
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#include "taskregs.h"
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#include "taskutil.h"
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extern reg_info reginfo[MAXCLIENT]; /* Array with clients */
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static int entrypos = 0; /* Status pointer */
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/***********************************************************************
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*
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* Search for a pid.
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*/
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int reg_find(char *);
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int reg_find(char *pids)
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{
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int i;
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for (i = 0; i < MAXCLIENT; i++) {
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if ((int)reginfo[i].pid == atoi(pids))
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return i;
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}
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tasklog('?', "Panic, pid %s not found", pids);
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return -1;
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}
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/***********************************************************************
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*
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* Registrate a new connection and fill the data.
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*/
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int reg_newcon(char *data)
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{
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char *cnt, *pid, *tty, *uid, *prg, *city;
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int retval;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ",");
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tty = strtok(NULL, ",");
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uid = strtok(NULL, ",");
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prg = strtok(NULL, ",");
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city = strtok(NULL, ";");
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/*
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* Abort if no empty record is found
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*/
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if ((retval = reg_find((char *)"0")) == -1) {
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tasklog('?', "Maximum clients (%d) reached", MAXCLIENT);
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return -1;
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}
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memset((char *)®info[retval], 0, sizeof(reg_info));
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reginfo[retval].pid = atoi(pid);
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strncpy((char *)®info[retval].tty, tty, 6);
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strncpy((char *)®info[retval].uname, uid, 35);
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strncpy((char *)®info[retval].prg, prg, 14);
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strncpy((char *)®info[retval].city, city, 35);
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strcpy((char *)®info[retval].doing, "-");
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reginfo[retval].started = time(NULL);
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reginfo[retval].lastcon = time(NULL);
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reginfo[retval].altime = 600;
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/*
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* Everyone says do not disturb, unless the flag
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* is cleared by the owner of this process.
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*/
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reginfo[retval].silent = 1;
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tasklog('-', "Registered client pgm \"%s\", pid %s, slot %d", prg, pid, retval);
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stat_inc_clients();
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return retval;
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}
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int reg_closecon(char *data)
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{
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char *cnt, *pid;
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int rec;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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return -1;
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tasklog('-', "Unregistered client pgm \"%s\", pid %s, slot %d", reginfo[rec].prg, pid, rec);
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memset(®info[rec], 0, sizeof(reg_info));
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stat_dec_clients();
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return 0;
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}
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/*
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* Check all registred connections.
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*/
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void reg_check(void)
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{
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int i;
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time_t Now;
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Now = time(NULL);
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for (i = 1; i < MAXCLIENT; i++) {
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if (reginfo[i].pid) {
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if (kill(reginfo[i].pid, 0) == -1) {
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if (errno == ESRCH) {
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tasklog('?', "Stale registration found for pid %d (%s)", reginfo[i].pid, reginfo[i].prg);
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memset(®info[i], 0, sizeof(reg_info));
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stat_dec_clients();
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}
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} else {
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/*
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* Check timeout
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*/
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if ((Now - reginfo[i].lastcon) >= reginfo[i].altime) {
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if (reginfo[i].altime < 600) {
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kill(reginfo[i].pid, SIGKILL);
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tasklog('+', "Send SIGKILL to pid %d", reginfo[i].pid);
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} else {
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kill(reginfo[i].pid, SIGTERM);
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tasklog('+', "Send SIGTERM to pid %d", reginfo[i].pid);
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}
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/*
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* 10 seconds to the next kill
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*/
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reginfo[i].altime = 10;
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reginfo[i].lastcon = time(NULL);
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}
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}
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}
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}
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}
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/*
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* Update doing information for this process.
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*/
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int reg_doing(char *data)
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{
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char *cnt, *pid, *line;
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int rec;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ",");
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line = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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return -1;
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strncpy(reginfo[rec].doing, line, 35);
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reginfo[rec].lastcon = time(NULL);
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return 0;
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}
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/*
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* Update timer using NOP
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*/
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int reg_nop(char *data)
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{
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char *cnt, *pid;
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int rec;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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return -1;
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reginfo[rec].lastcon = time(NULL);
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return 0;
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}
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/*
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* Set new timer value
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*/
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int reg_timer(int Set, char *data)
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{
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char *pid;
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int cnt, rec, val;
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cnt = atoi(strtok(data, ","));
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if (Set) {
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if (cnt != 2)
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return -1;
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pid = strtok(NULL, ",");
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val = atoi(strtok(NULL, ";"));
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if (val < 600)
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val = 600;
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} else {
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if (cnt != 1)
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return -1;
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pid = strtok(NULL, ";");
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val = 600;
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}
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if ((rec = reg_find(pid)) == -1)
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return -1;
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reginfo[rec].altime = val;
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reginfo[rec].lastcon = time(NULL);
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tasklog('r', "Set timeout value for %d to %d", reginfo[rec].pid, val);
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return 0;
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}
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/*
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* Update tty information for this process.
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*/
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int reg_tty(char *data)
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{
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char *cnt, *pid, *tty;
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int rec;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ",");
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tty = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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return -1;
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strncpy((char *)®info[rec].tty, tty, 6);
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reginfo[rec].lastcon = time(NULL);
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return 0;
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}
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/*
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* Update the "do not disturb" flag.
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*/
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int reg_silent(char *data)
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{
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char *cnt, *pid, *line;
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int rec;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ",");
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line = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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return -1;
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reginfo[rec].silent = atoi(line);
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reginfo[rec].lastcon = time(NULL);
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return 0;
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}
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/*
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* Update username and city for this process.
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*/
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int reg_user(char *data)
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{
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char *cnt, *pid, *user, *city;
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int rec;
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cnt = strtok(data, ",");
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pid = strtok(NULL, ",");
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user = strtok(NULL, ",");
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city = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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return -1;
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strncpy((char *)®info[rec].uname, user, 35);
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strncpy((char *)®info[rec].city, city, 35);
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reginfo[rec].lastcon = time(NULL);
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return 0;
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}
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/*
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* Check for personal message
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*/
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char *reg_ipm(char *data)
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{
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char *cnt, *pid;
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static char buf[128];
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int rec;
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buf[0] = '\0';
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sprintf(buf, "100:0;");
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cnt = strtok(data, ",");
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pid = strtok(NULL, ";");
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if ((rec = reg_find(pid)) == -1)
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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;
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buf[0] = '\0';
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sprintf(buf, "100:2,%s,%s;", reginfo[rec].fname[reginfo[rec].ptr_out], reginfo[rec].msg[reginfo[rec].ptr_out]);
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if (reginfo[rec].ptr_out < RB)
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reginfo[rec].ptr_out++;
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else
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reginfo[rec].ptr_out = 0;
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if (reginfo[rec].ptr_out == reginfo[rec].ptr_in)
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reginfo[rec].ismsg = FALSE;
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tasklog('+', "reg_ipm: in=%d out=%d ismsg=%d", reginfo[rec].ptr_in, reginfo[rec].ptr_out, reginfo[rec].ismsg);
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return buf;
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}
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/*
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* Send personal message
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*/
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int reg_spm(char *data)
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{
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char *cnt, *from, *too, *txt;
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int i;
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cnt = strtok(data, ",");
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from = strtok(NULL, ",");
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too = strtok(NULL, ",");
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txt = strtok(NULL, ";");
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for (i = 1; i < MAXCLIENT; i++) {
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if (reginfo[i].pid && (strcasecmp(reginfo[i].uname, too) == 0)) {
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/*
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* If the in and out pointers are the same and the
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* message present flag is still set, then this user
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* can't get anymore new messages.
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*/
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if (reginfo[i].ismsg && (reginfo[i].ptr_in == reginfo[i].ptr_out)) {
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return 2;
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}
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/*
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* If user has the "do not distrurb" flag set.
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*/
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if (reginfo[i].silent) {
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return 1;
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}
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/*
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* If all is well, insert the new message.
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*/
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strncpy((char *)®info[i].fname[reginfo[i].ptr_in], from, 35);
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strncpy((char *)®info[i].msg[reginfo[i].ptr_in], txt, 80);
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if (reginfo[i].ptr_in < RB)
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reginfo[i].ptr_in++;
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else
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reginfo[i].ptr_in = 0;
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reginfo[i].ismsg = TRUE;
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tasklog('+', "reg_spm: in=%d out=%d ismsg=%d", reginfo[i].ptr_in, reginfo[i].ptr_out, reginfo[i].ismsg);
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return 0;
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}
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}
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/*
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* User not found
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*/
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return 3;
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}
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char *reg_fre(void)
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{
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static char buf[80];
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int i, users = 0, utils = 0;
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buf[0] = '\0';
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for (i = 1; i < MAXCLIENT; i++) {
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if (reginfo[i].pid) {
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if ((!strncmp(reginfo[i].prg, "mbsebbs", 7)) ||
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(!strncmp(reginfo[i].prg, "mbftpd", 6)))
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users++;
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if ((!strncmp(reginfo[i].prg, "mbfido", 6)) ||
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(!strncmp(reginfo[i].prg, "mbmail", 6)) ||
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(!strncmp(reginfo[i].prg, "mball", 5)) ||
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(!strncmp(reginfo[i].prg, "mbaff", 5)) ||
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(!strncmp(reginfo[i].prg, "mbcico", 6)) ||
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(!strncmp(reginfo[i].prg, "mbfile", 6)) ||
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(!strncmp(reginfo[i].prg, "mbmsg", 5)) ||
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(!strncmp(reginfo[i].prg, "mbindex", 7)) ||
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(!strncmp(reginfo[i].prg, "mbdiff", 6)) ||
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(!strncmp(reginfo[i].prg, "mbuser", 6)))
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utils++;
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}
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}
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if (users || utils)
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sprintf(buf, "100:1,Running utilities: %02d Active users: %02d;", utils, users);
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else
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sprintf(buf, "100:0;");
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return buf;
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}
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/*
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* Get registration information. The first time the parameter
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* must be 1, for the next searches 0. Returns 100:0; if there
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* is an error or the end of file is reached.
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*/
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char *get_reginfo(int first)
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{
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static char buf[256];
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memset(&buf, 0, sizeof(buf));
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sprintf(buf, "100:0;");
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/*
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* Loop forever until an error occours, eof is reached or
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* the data is valid. Only in the last case valid data is
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* returned to the caller.
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*/
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for (;;) {
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if (first == 1)
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entrypos = 0;
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else
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entrypos++;
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if (entrypos == MAXCLIENT)
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return buf;
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if ((int)reginfo[entrypos].pid != 0) {
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sprintf(buf, "100:7,%d,%s,%s,%s,%s,%s,%d;",
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reginfo[entrypos].pid, reginfo[entrypos].tty,
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reginfo[entrypos].uname, reginfo[entrypos].prg,
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reginfo[entrypos].city, reginfo[entrypos].doing,
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(int)reginfo[entrypos].started);
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return buf;
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}
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}
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/* never reached */
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}
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