419 lines
10 KiB
C
419 lines
10 KiB
C
/*****************************************************************************
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*
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* $Id: chat.c,v 1.32 2008/02/12 19:59:45 mbse Exp $
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* Purpose ...............: Sysop to user chat utility
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*
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*****************************************************************************
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* Copyright (C) 1997-2008
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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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* MBSE 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 MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "../lib/mbselib.h"
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#include "../lib/mbse.h"
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#include "../lib/users.h"
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#include "chat.h"
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#include "funcs.h"
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#include "input.h"
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#include "language.h"
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#include "misc.h"
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#include "whoson.h"
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#include "term.h"
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#include "ttyio.h"
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#include "timeout.h"
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#define RBUFLEN 81
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int chat_with_sysop = FALSE; /* Global sysop chat flag */
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int chatting = FALSE; /* Global chatting flag */
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char rbuf[50][RBUFLEN]; /* Chat receive buffer */ /* FIXME: must be a dynamic buffer */
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int rpointer = 0; /* Chat receive pointer */
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int rsize = 5; /* Chat receive size */
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extern pid_t mypid;
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extern int cols;
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extern int rows;
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extern unsigned int mib_chats;
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extern unsigned int mib_chatminutes;
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void Showline(int, int, char *);
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void DispMsg(char *);
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void clrtoeol(void);
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unsigned char testkey(int, int);
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unsigned char testkey(int y, int x)
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{
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int rc;
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unsigned char ch = 0;
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Nopper();
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locate(y, x);
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rc = Waitchar(&ch, 50);
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if (rc == 1) {
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if (ch == KEY_ESCAPE)
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rc = Escapechar(&ch);
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}
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if (rc == 1)
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return ch;
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else
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return '\0';
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}
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/*
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* Colorize the chat window
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*/
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void Showline(int y, int x, char *msg)
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{
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int i, done = FALSE;
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if (strlen(msg)) {
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if (msg[0] == '<') {
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locate(y, x);
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colour(LIGHTCYAN, BLACK);
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PUTCHAR('<');
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colour(LIGHTBLUE, BLACK);
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for (i = 1; i < strlen(msg); i++) {
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if ((msg[i] == '>') && (! done)) {
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colour(LIGHTCYAN, BLACK);
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PUTCHAR(msg[i]);
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colour(CYAN, BLACK);
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done = TRUE;
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} else {
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PUTCHAR(msg[i]);
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}
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}
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} else if (msg[0] == '*') {
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if (msg[1] == '*') {
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if (msg[2] == '*')
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mbse_colour(YELLOW, BLACK);
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else
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colour(LIGHTRED, BLACK);
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} else {
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colour(LIGHTMAGENTA, BLACK);
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}
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mvprintw(y, x, msg);
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} else {
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colour(GREEN, BLACK);
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mvprintw(y, x, msg);
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}
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}
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}
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/*
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* Display received chat message in the chat window.
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*/
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void DispMsg(char *msg)
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{
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int i;
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/*
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* Beep on minor system messages
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*/
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if ((msg[0] == '*') && (msg[1] != '*'))
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putchar('\007');
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strncpy(rbuf[rpointer], msg, RBUFLEN);
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Showline(2 + rpointer, 1, rbuf[rpointer]);
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if (rpointer == rsize) {
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/*
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* Scroll buffer
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*/
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for (i = 0; i <= rsize; i++) {
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locate(i + 2, 1);
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clrtoeol();
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snprintf(rbuf[i], RBUFLEN, "%s", rbuf[i+1]);
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Showline(i + 2, 1, rbuf[i]);
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}
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} else {
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rpointer++;
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}
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}
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/*
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* Clear to End Of Line
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*/
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void clrtoeol(void)
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{
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PUTSTR((char *)ANSI_CLREOL);
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}
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/*
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* Chat, if the parameters are not NULL, a connection with the named
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* channel is made with the give username which will be forced to the
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* used nick name. This mode is used for forced sysop chat.
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* If the parameters are NULL, then it's up to the user what happens.
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*/
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void Chat(char *username, char *channel)
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{
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int width, curpos = 0, stop = FALSE, data, rc;
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unsigned char ch;
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char sbuf[81], resp[128], *name, *mname;
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static char buf[200];
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time_t c_start, c_end;
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WhosDoingWhat(SYSOPCHAT, NULL);
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clear();
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rsize = rows - 5;
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rpointer = 0;
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if (SYSOP == TRUE) {
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/*
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* Forbid the sysop to chat, the sysop MUST use mbmon.
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*/
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Syslog('+', "The Sysop attempted to chat");
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pout(LIGHTRED, BLACK, (char *) Language(29));
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Enter(1);
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Pause();
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return;
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}
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if (username && channel) {
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colour(LIGHTGREEN, BLACK);
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PUTCHAR('\007');
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/* *** Sysop is starting chat *** */
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pout(LIGHTGREEN, BLACK, (char *) Language(59));
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Enter(1);
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sleep(1);
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PUTCHAR('\007');
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sleep(1);
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PUTCHAR('\007');
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Syslog('+', "Sysop chat started");
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chat_with_sysop = TRUE;
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} else {
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Syslog('+', "User started chatting");
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}
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/*
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* Setup the screen, this is only possible in ANSI mode.
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*/
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clear();
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locate(1, 1);
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colour(WHITE, BLUE);
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snprintf(buf, 200, "%-*s", cols, " MBSE BBS Chat Server");
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mvprintw(1, 1, buf);
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mname = xstrcpy(clencode(exitinfo.sUserName));
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name = xstrcpy(clencode(exitinfo.Name));
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width = cols - (strlen(name) + 3);
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snprintf(buf, 200, "CCON,4,%d,%s,%s,0;", mypid, mname, name);
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free(mname);
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free(name);
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if (socket_send(buf) == 0) {
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strncpy(buf, socket_receive(), sizeof(buf)-1);
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if (strncmp(buf, "200:1,", 6) == 0) {
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Syslog('!', "Chatsever is not available");
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colour(LIGHTRED, BLACK);
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mvprintw(4, 1, (char *) Language(30));
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Enter(2);
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Pause();
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chat_with_sysop = FALSE;
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return;
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}
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}
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locate(rows - 2, 1);
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colour(WHITE, BLUE);
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snprintf(buf, 200, "%-*s", cols, " Chat, type \"/EXIT\" to exit or \"/HELP\" for help");
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mvprintw(rows - 2, 1, buf);
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colour(WHITE, BLACK);
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mvprintw(rows - 1, 1, ">");
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mvprintw(rows - 1, width + 2, "<");
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memset(&sbuf, 0, sizeof(sbuf));
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memset(&rbuf, 0, sizeof(rbuf));
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colour(LIGHTGRAY, BLACK);
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/*
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* If username and channelname are given, send the /nick and /join
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* commands to the chatserver.
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*/
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if (username && channel) {
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snprintf(buf, 200, "CPUT:2,%d,/nick %s;", mypid, clencode(username));
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if (socket_send(buf) == 0)
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strcpy(buf, socket_receive());
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snprintf(buf, 200, "CPUT:2,%d,/join %s;", mypid, clencode(channel));
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if (socket_send(buf) == 0)
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strcpy(buf, socket_receive());
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}
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chatting = TRUE;
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c_start = time(NULL);
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while (stop == FALSE) {
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/*
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* Check for new message, loop fast until no more data available.
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*/
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data = TRUE;
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while (data) {
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snprintf(buf, 200, "CGET:1,%d;", mypid);
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if (socket_send(buf) == 0) {
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strncpy(buf, socket_receive(), sizeof(buf)-1);
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if (strncmp(buf, "100:2,", 6) == 0) {
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strncpy(resp, strtok(buf, ":"), 10); /* Should be 100 */
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strncpy(resp, strtok(NULL, ","), 5); /* Should be 2 */
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strncpy(resp, strtok(NULL, ","), 5); /* 1= fatal, chat ended */
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rc = atoi(resp);
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memset(&resp, 0, sizeof(resp));
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strncpy(resp, cldecode(strtok(NULL, ";")), 80); /* The message */
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DispMsg(resp);
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if (rc == 1) {
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Syslog('+', "Chat server error: %s", resp);
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stop = TRUE;
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data = FALSE;
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}
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} else {
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data = FALSE;
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}
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}
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}
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if (stop)
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break;
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/*
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* Check for a pressed key, if so then process it.
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* Allow hi-ascii for multi-language.
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*/
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ch = testkey(rows -1, curpos + 2);
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if ((ch == KEY_BACKSPACE) || (ch == KEY_RUBOUT) || (ch == KEY_DEL)) {
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alarm_on();
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if (curpos) {
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curpos--;
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sbuf[curpos] = '\0';
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BackErase();
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} else {
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PUTCHAR(7);
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}
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/* if KEY_DEL isprint, do no output again */
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} else if (isprint(ch) || traduce((char *)&ch)) {
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alarm_on();
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if (curpos < width) {
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PUTCHAR(ch);
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sbuf[curpos] = ch;
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curpos++;
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} else {
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PUTCHAR(7);
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}
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} else if ((ch == '\r') && curpos) {
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alarm_on();
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snprintf(buf, 200, "CPUT:2,%d,%s;", mypid, clencode(sbuf));
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if (socket_send(buf) == 0) {
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strcpy(buf, socket_receive());
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if (strncmp(buf, "100:2,", 6) == 0) {
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strncpy(resp, strtok(buf, ":"), 10); /* Should be 100 */
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strncpy(resp, strtok(NULL, ","), 5); /* Should be 2 */
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strncpy(resp, strtok(NULL, ","), 5); /* 1= fatal, chat ended */
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rc = atoi(resp);
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strncpy(resp, cldecode(strtok(NULL, ";")), 80); /* The message */
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DispMsg(resp);
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if (rc == 1) {
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Syslog('+', "Chat server error: %s", resp);
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stop = TRUE;
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}
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}
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}
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curpos = 0;
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memset(&sbuf, 0, sizeof(sbuf));
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locate(rows - 1, 2);
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clrtoeol();
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colour(WHITE, BLACK);
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mvprintw(rows - 1, 1, ">");
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mvprintw(rows - 1, width + 2, "<");
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colour(LIGHTGRAY, BLACK);
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}
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}
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chatting = FALSE;
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c_end = time(NULL);
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mib_chats++;
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mib_chatminutes += (unsigned int) ((c_end - c_start) / 60);
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/*
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* Before sending the close command, purge all outstanding messages.
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*/
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data = TRUE;
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while (data) {
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snprintf(buf, 200, "CGET:1,%d;", mypid);
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if (socket_send(buf) == 0) {
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strncpy(buf, socket_receive(), sizeof(buf)-1);
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if (strncmp(buf, "100:2,", 6) == 0) {
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strncpy(resp, strtok(buf, ":"), 10); /* Should be 100 */
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strncpy(resp, strtok(NULL, ","), 5); /* Should be 2 */
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strncpy(resp, strtok(NULL, ","), 5); /* 1= fatal error */
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rc = atoi(resp);
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memset(&resp, 0, sizeof(resp));
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strncpy(resp, cldecode(strtok(NULL, ";")), 80); /* The message */
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DispMsg(resp);
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if (rc == 1) {
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Syslog('+', "Chat server error: %s", resp);
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data = FALSE; /* Even if there is more, prevent a loop */
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}
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} else {
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data = FALSE;
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}
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}
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}
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if (username && channel) {
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/*
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* Disjoin sysop channel
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*/
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/* *** Sysop has terminated chat *** */
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snprintf(buf, 200, "%s", (char *) Language(60));
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DispMsg(buf);
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Syslog('+', "Sysop chat ended");
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chat_with_sysop = FALSE;
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} else {
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Syslog('+', "User chat ended");
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}
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/*
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* Close server connection
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*/
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snprintf(buf, 200, "CCLO,1,%d;", mypid);
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if (socket_send(buf) == 0) {
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strcpy(buf, socket_receive());
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}
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sleep(2);
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clear();
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}
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