145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: mbtask - Internet BBS Chat (but it looks like...)
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*
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*****************************************************************************
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* Copyright (C) 1997-2005
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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, 675 Mass Ave, Cambridge, MA 02139, 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 "taskibc.h"
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#ifdef USE_EXPERIMENT
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int ibc_run = FALSE; /* Thread running */
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extern int T_Shutdown; /* Program shutdown */
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/*
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* Send a UDP message to one other server.
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*/
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void send_server(char *name, char *msg)
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{
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int a1, a2, a3, a4;
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int s; /* Socket */
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struct hostent *he; /* Host info */
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struct servent *se; /* Service information */
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struct sockaddr_in server; /* Destination address */
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char *errmsg;
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/*
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* Get IP address for the hostname
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*/
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if (sscanf(name,"%d.%d.%d.%d",&a1,&a2,&a3,&a4) == 4)
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server.sin_addr.s_addr = inet_addr(name);
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else if ((he = gethostbyname(name)))
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memcpy(&server.sin_addr,he->h_addr,he->h_length);
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else {
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switch (h_errno) {
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case HOST_NOT_FOUND: errmsg = (char *)"Authoritative: Host not found"; break;
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case TRY_AGAIN: errmsg = (char *)"Non-Authoritive: Host not found"; break;
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case NO_RECOVERY: errmsg = (char *)"Non recoverable errors"; break;
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default: errmsg = (char *)"Unknown error"; break;
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}
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Syslog('+', "No IP address for %s: %s", name, errmsg);
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return;
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}
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se = getservbyname("fido", "udp");
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if (se == NULL) {
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Syslog('n', "Service fido udp not in /etc/services");
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return;
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}
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server.sin_family = AF_INET;
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server.sin_port = se->s_port;
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Syslog('r', "Send to %s, port %d\n", inet_ntoa(server.sin_addr), ntohs(server.sin_port));
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s = socket(AF_INET, SOCK_DGRAM, 0);
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if (s == -1) {
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Syslog('r', "$Can't create socket");
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return;
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}
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if (bind(s, (struct sockaddr *)&server, sizeof(struct sockaddr_in)) == -1) {
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Syslog('r', "$Can't bind socket");
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return;
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}
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if (sendto(s, msg, strlen(msg), 0, (struct sockaddr *)&server, sizeof(struct sockaddr_in)) == -1) {
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Syslog('r', "$Can't send message");
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return;
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}
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}
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/*
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* Send a message to all servers
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*/
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void send_all(char *msg)
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{
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send_server((char *)"router.mbse.ym", msg);
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send_server((char *)"hppa.mbse.ym", msg);
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}
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/*
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* IRC thread
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*/
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void *ibc_thread(void *dummy)
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{
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struct servent *se;
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if ((se = getservbyname("fido", "udp")) == NULL) {
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Syslog('!', "No fido udp entry in /etc/services, cannot start Internet BBS Chat");
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goto exit;
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}
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Syslog('+', "Starting IBC thread");
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ibc_run = TRUE;
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while (! T_Shutdown) {
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sleep(1);
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}
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exit:
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ibc_run = FALSE;
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Syslog('+', "IBC thread stopped");
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pthread_exit(NULL);
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}
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#endif
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