/***************************************************************************** * * $Id$ * Purpose ...............: Sysop to user chat utility * ***************************************************************************** * Copyright (C) 1997-2003 * * 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. * * MBSE 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 MBSE BBS; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *****************************************************************************/ #include "../config.h" #include "../lib/libs.h" #include "../lib/ansi.h" #include "../lib/mbse.h" #include "../lib/structs.h" #include "../lib/users.h" #include "../lib/records.h" #include "../lib/common.h" #include "../lib/clcomm.h" #include "../lib/mberrors.h" #include "chat.h" #include "funcs.h" #include "input.h" #include "language.h" #include "misc.h" #include "whoson.h" int chat_with_sysop = FALSE; /* Global sysop chat flag */ int chatting = FALSE; /* Global chatting flag */ char rbuf[50][80]; /* Chat receive buffer */ /* FIXME: must be a dynamic buffer */ int rpointer = 0; /* Chat receive pointer */ int rsize = 5; /* Chat receive size */ extern pid_t mypid; void Showline(int, int, char *); void DispMsg(char *); void clrtoeol(void); unsigned char testkey(int, int); unsigned char testkey(int y, int x) { int rc; unsigned char ch = 0; Nopper(); locate(y, x); fflush(stdout); if ((ttyfd = open("/dev/tty", O_RDWR|O_NONBLOCK)) < 0) { perror("open /dev/tty"); exit(MBERR_TTYIO_ERROR); } Setraw(); rc = Waitchar(&ch, 50); if (rc == 1) { if (ch == KEY_ESCAPE) rc = Escapechar(&ch); } Unsetraw(); close(ttyfd); if (rc == 1) return ch; else return '\0'; } /* * Colorize the chat window */ void Showline(int y, int x, char *msg) { int i; if (strlen(msg)) { if (msg[0] == '<') { locate(y, x); colour(LIGHTCYAN, BLACK); putchar('<'); colour(LIGHTBLUE, BLACK); for (i = 1; i < strlen(msg); i++) { if (msg[i] == '>') { colour(LIGHTCYAN, BLACK); putchar(msg[i]); colour(CYAN, BLACK); } else { putchar(msg[i]); } } } else if (msg[0] == '*') { colour(LIGHTRED, BLACK); mvprintw(y, x, msg); } else { colour(GREEN, BLACK); mvprintw(y, x, msg); } } } /* * Display received chat message in the chat window. */ void DispMsg(char *msg) { int i; strncpy(rbuf[rpointer], msg, 80); Showline(2 + rpointer, 1, rbuf[rpointer]); if (rpointer == rsize) { /* * Scroll buffer */ for (i = 0; i <= rsize; i++) { locate(i + 2, 1); clrtoeol(); sprintf(rbuf[i], "%s", rbuf[i+1]); Showline(i + 2, 1, rbuf[i]); } } else { rpointer++; } fflush(stdout); } /* * Clear to End Of Line */ void clrtoeol(void) { fprintf(stdout, ANSI_CLREOL); } /* * Chat, if the parameters are not NULL, a connection with the named * channel is made with the give username which will be forced to the * used nick name. This mode is used for forced sysop chat. * If the parameters are NULL, then it's up to the user what happens. */ void Chat(char *username, char *channel) { int curpos = 0, stop = FALSE, data, rc; unsigned char ch; char sbuf[81], resp[128], *cnt, *msg; static char buf[200]; WhosDoingWhat(SYSOPCHAT); clear(); rsize = exitinfo.iScreenLen - 5; rpointer = 0; if (username && channel) { colour(LIGHTGREEN, BLACK); /* *** Sysop is starting chat *** */ printf("\007%s\n\r", (char *) Language(59)); fflush(stdout); sleep(1); printf("\007"); fflush(stdout); sleep(1); printf("\007"); fflush(stdout); Syslog('+', "Sysop chat started"); chat_with_sysop = TRUE; } else { Syslog('+', "User started chatting"); } /* * Setup the screen, this is only possible in ANSI mode. */ clear(); locate(1, 1); colour(WHITE, BLUE); clrtoeol(); mvprintw(1, 2, "MBSE BBS Chat Server"); sprintf(buf, "CCON,3,%d,%s,0;", mypid, exitinfo.Name); Syslog('-', "> %s", buf); if (socket_send(buf) == 0) { strncpy(buf, socket_receive(), sizeof(buf)-1); Syslog('-', "< %s", buf); if (strncmp(buf, "100:1,", 6) == 0) { cnt = strtok(buf, ","); msg = strtok(NULL, "\0"); msg[strlen(msg)-1] = '\0'; colour(LIGHTRED, BLACK); mvprintw(4, 1, msg); sleep(2); Pause(); chat_with_sysop = FALSE; return; } } locate(exitinfo.iScreenLen - 2, 1); colour(WHITE, BLUE); clrtoeol(); mvprintw(exitinfo.iScreenLen - 2, 2, "Chat, type \"/EXIT\" to exit"); colour(LIGHTGRAY, BLACK); mvprintw(exitinfo.iScreenLen - 1, 1, ">"); memset(&sbuf, 0, sizeof(sbuf)); memset(&rbuf, 0, sizeof(rbuf)); /* * If username and channelname are given, send the /nick and /join * commands to the chatserver. */ if (username && channel) { sprintf(buf, "CPUT:2,%d,/nick %s;", mypid, username); if (socket_send(buf) == 0) strcpy(buf, socket_receive()); sprintf(buf, "CPUT:2,%d,/join %s;", mypid, channel); if (socket_send(buf) == 0) strcpy(buf, socket_receive()); } Syslog('-', "Start loop"); chatting = TRUE; while (stop == FALSE) { /* * Check for new message, loop fast until no more data available. */ data = TRUE; while (data) { sprintf(buf, "CGET:1,%d;", mypid); if (socket_send(buf) == 0) { strncpy(buf, socket_receive(), sizeof(buf)-1); if (strncmp(buf, "100:2,", 6) == 0) { Syslog('-', "> CGET:1,%d;", mypid); Syslog('-', "< %s", buf); strncpy(resp, strtok(buf, ":"), 10); /* Should be 100 */ strncpy(resp, strtok(NULL, ","), 5); /* Should be 2 */ strncpy(resp, strtok(NULL, ","), 5); /* 1= fatal, chat ended */ rc = atoi(resp); memset(&resp, 0, sizeof(resp)); strncpy(resp, strtok(NULL, "\0"), 80); /* The message */ resp[strlen(resp)-1] = '\0'; DispMsg(resp); if (rc == 1) { Syslog('+', "Chat server error: %s", resp); stop = TRUE; data = FALSE; } } else { data = FALSE; } } } if (stop) break; /* * Check for a pressed key, if so then process it */ ch = testkey(exitinfo.iScreenLen -1, curpos + 2); if (isprint(ch)) { if (curpos < 77) { putchar(ch); fflush(stdout); sbuf[curpos] = ch; curpos++; } else { putchar(7); fflush(stdout); } } else if ((ch == KEY_BACKSPACE) || (ch == KEY_RUBOUT) || (ch == KEY_DEL)) { if (curpos) { curpos--; sbuf[curpos] = '\0'; printf("\b \b"); } else { putchar(7); } } else if ((ch == '\r') && curpos) { sprintf(buf, "CPUT:2,%d,%s;", mypid, sbuf); Syslog('-', "> %s", buf); if (socket_send(buf) == 0) { strcpy(buf, socket_receive()); Syslog('-', "< %s", buf); if (strncmp(buf, "100:2,", 6) == 0) { strncpy(resp, strtok(buf, ":"), 10); /* Should be 100 */ strncpy(resp, strtok(NULL, ","), 5); /* Should be 2 */ strncpy(resp, strtok(NULL, ","), 5); /* 1= fatal, chat ended */ rc = atoi(resp); strncpy(resp, strtok(NULL, "\0"), 80); /* The message */ resp[strlen(resp)-1] = '\0'; DispMsg(resp); if (rc == 1) { Syslog('+', "Chat server error: %s", resp); stop = TRUE; } } } curpos = 0; memset(&sbuf, 0, sizeof(sbuf)); locate(exitinfo.iScreenLen - 1, 2); clrtoeol(); mvprintw(exitinfo.iScreenLen - 1, 1, ">"); } } chatting = FALSE; /* * Before sending the close command, purge all outstanding messages. */ data = TRUE; while (data) { sprintf(buf, "CGET:1,%d;", mypid); if (socket_send(buf) == 0) { strncpy(buf, socket_receive(), sizeof(buf)-1); if (strncmp(buf, "100:2,", 6) == 0) { Syslog('-', "> CGET:1,%d;", mypid); Syslog('-', "< %s", buf); strncpy(resp, strtok(buf, ":"), 10); /* Should be 100 */ strncpy(resp, strtok(NULL, ","), 5); /* Should be 2 */ strncpy(resp, strtok(NULL, ","), 5); /* 1= fatal error */ rc = atoi(resp); memset(&resp, 0, sizeof(resp)); strncpy(resp, strtok(NULL, "\0"), 80); /* The message */ resp[strlen(resp)-1] = '\0'; DispMsg(resp); if (rc == 1) { Syslog('+', "Chat server error: %s", resp); data = FALSE; /* Even if there is more, prevent a loop */ } } else { data = FALSE; } } } if (username && channel) { /* * Disjoin sysop channel */ /* *** Sysop has terminated chat *** */ sprintf(buf, "%s", (char *) Language(60)); DispMsg(buf); Syslog('+', "Sysop chat ended"); chat_with_sysop = FALSE; } else { Syslog('+', "User chat ended"); } /* * Close server connection */ sprintf(buf, "CCLO,1,%d;", mypid); Syslog('-', "> %s", buf); if (socket_send(buf) == 0) { strcpy(buf, socket_receive()); Syslog('-', "< %s", buf); if (strncmp(buf, "100:1,", 6)) { } } sleep(2); clear(); }