300 lines
7.8 KiB
C
300 lines
7.8 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Fidonet mailer
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*
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*****************************************************************************
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* Copyright (C) 1997-2002
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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/libs.h"
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#include "../lib/memwatch.h"
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#include "../lib/structs.h"
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#include "../lib/users.h"
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#include "../lib/records.h"
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#include "../lib/common.h"
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#include "../lib/clcomm.h"
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#include "../lib/dbnode.h"
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#include "session.h"
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#include "callstat.h"
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#include "call.h"
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#include "config.h"
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#include "dial.h"
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#include "lutil.h"
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#include "portsel.h"
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#include "openport.h"
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#include "opentcp.h"
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#include "rdoptions.h"
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extern int tcp_mode;
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extern int forcedcalls;
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extern int immediatecall;
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extern char *forcedphone;
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extern char *forcedline;
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extern char *inetaddr;
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int portopen(faddr *addr)
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{
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char *p;
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int rc;
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if (inetaddr) {
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Syslog('d', "portopen inetaddr %s", inetaddr);
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if ((rc = opentcp(inetaddr))) {
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Syslog('+', "Cannot connect %s", inetaddr);
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nodeulock(addr);
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putstatus(addr,1,ST_NOCONN);
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return ST_NOCONN;
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}
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return 0;
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}
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if (forcedline) {
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Syslog('d', "portopen forcedline %s", forcedline);
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p = forcedline;
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strncpy(history.tty, p, 6);
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if (load_port(p)) {
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if ((rc = openport(p, ttyinfo.portspeed))) {
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Syslog('+', "Cannot open port %s",p);
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nodeulock(addr);
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putstatus(addr, 10, ST_PORTERR);
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return ST_PORTERR;
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}
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return ST_PORTOK;
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} else {
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nodeulock(addr);
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putstatus(addr, 0, ST_PORTERR);
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return ST_PORTERR;
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}
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}
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WriteError("No call method available");
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return ST_PORTERR;
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}
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int call(faddr *addr)
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{
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int i, rc = 1;
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struct hostent *he;
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/*
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* Don't call points, call their boss instead.
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*/
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addr->point = 0;
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/*
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* First check if node is locked, if not lock it immediatly
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* or stop further waste of time and logfile space.
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*/
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if (nodelock(addr)) {
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Syslog('+', "System %s is locked", ascfnode(addr, 0x1f));
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putstatus(addr, 0, ST_LOCKED);
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return ST_LOCKED;
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}
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if ((nlent = getnlent(addr)) == NULL) {
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WriteError("Cannot call %s: fatal in nodelist lookup", ascfnode(addr, 0x1f));
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putstatus(addr,0,ST_LOOKUP);
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nodeulock(addr);
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return ST_LOOKUP;
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}
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/*
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* Load the noderecord if the node is in the setup.
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*/
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noderecord(addr);
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rdoptions(TRUE);
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/*
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* Fill default history info in case we get a FTS0001 session
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*/
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strncpy(history.system_name, nlent->name, 35);
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strncpy(history.location, nlent->location, 35);
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strncpy(history.sysop, nlent->sysop, 35);
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history.aka.zone = addr->zone;
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history.aka.net = addr->net;
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history.aka.node = addr->node;
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history.aka.point = addr->point;
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if (addr->domain && strlen(addr->domain))
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sprintf(history.aka.domain, "%s", addr->domain);
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/*
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* First see if this node can be reached over the internet and
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* that internet calls are allowed.
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*/
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if (nlent->iflags && ((localoptions & (NOIBN | NOITN | NOIFC)) == 0)) {
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if (!inetaddr) {
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Syslog('d', "Trying to find IP address...");
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/*
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* There is no fdn or IP address at the commandline.
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* First check nodesetup for an override in the phone field.
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*/
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if (strlen(nodes.phone[0])) {
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inetaddr = xstrcpy(nodes.phone[0]);
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} else if (strlen(nodes.phone[1])) {
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inetaddr = xstrcpy(nodes.phone[1]);
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} else {
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/*
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* Try to find the fdn in several places in the nodelist fields.
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*/
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if ((nlent->phone != NULL) && (strncmp(nlent->phone, (char *)"000-", 4) == 0)) {
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inetaddr = xstrcpy(nlent->phone+4);
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for (i = 0; i < strlen(inetaddr); i++)
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if (inetaddr[i] == '-')
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inetaddr[i] = '.';
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Syslog('d', "Got IP address from phone field");
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} else if ((he = gethostbyname(nlent->name))) {
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inetaddr = xstrcpy(nlent->name);
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Syslog('d', "Got hostname from nodelist system name");
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} else if ((he = gethostbyname(nlent->location))) {
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/*
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* A fdn at the nodelist location field is not in the specs
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* but the real world differs from the specs.
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*/
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inetaddr = xstrcpy(nlent->location);
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Syslog('d', "Got hostname from nodelist location");
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}
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}
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}
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/*
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* If we have an internet address, set protocol
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*/
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if (inetaddr) {
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RegTCP();
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Syslog('d', "TCP/IP node \"%s\"", MBSE_SS(inetaddr));
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if (tcp_mode == TCPMODE_NONE) {
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/*
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* If protocol not forced at the commandline, get it
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* from the nodelist. If it fails, fallback to dial.
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* Priority IBN, IFC, ITN.
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*/
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if ((nlent->iflags & IP_IBN) && ((localoptions & NOIBN) == 0)) {
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tcp_mode = TCPMODE_IBN;
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Syslog('d', "TCP/IP mode set to IBN");
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} else if ((nlent->iflags & IP_IFC) && ((localoptions & NOIFC) == 0)) {
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tcp_mode = TCPMODE_IFC;
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Syslog('d', "TCP/IP mode set to IFC");
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} else if ((nlent->iflags & IP_ITN) && ((localoptions & NOITN) == 0)) {
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tcp_mode = TCPMODE_ITN;
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Syslog('d', "TCP/IP mode seto to ITN");
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} else {
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Syslog('+', "No common TCP/IP protocols for node %s", nlent->name);
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free(inetaddr);
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inetaddr = NULL;
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}
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}
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} else {
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WriteError("No IP address, abort call");
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rc = ST_NOCALL8;
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putstatus(addr, 10, rc);
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nodeulock(addr);
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return rc;
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}
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}
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if (((nlent->oflags & OL_CM) == 0) && (!IsZMH())) {
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Syslog('?', "Warning: calling MO system outside ZMH");
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}
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if (inbound)
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free(inbound);
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inbound = xstrcpy(CFG.pinbound); /* master sessions are secure */
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/*
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* Call when:
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* the nodelist has a phone, or phone on commandline, or TCP address given
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* and
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* nodenumber on commandline, or node is CM and not down, hold, pvt
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* and
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* nocall is false
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*/
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if ((nlent->phone || forcedphone || inetaddr ) &&
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(forcedcalls || (((nlent->pflag & (NL_DUMMY|NL_DOWN|NL_HOLD|NL_PVT)) == 0) && ((localoptions & NOCALL) == 0)))) {
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Syslog('+', "Calling %s (%s, phone %s)",ascfnode(addr,0x1f), nlent->name,nlent->phone?nlent->phone:forcedphone);
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IsDoing("Call %s", ascfnode(addr, 0x0f));
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rc = portopen(addr);
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if ((rc == 0) && (!inetaddr)) {
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if ((rc = dialphone(forcedphone?forcedphone:nlent->phone))) {
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Syslog('+', "Dial failed");
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nodeulock(addr);
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rc+=1; /* rc=2 - dial fail, rc=3 - could not reset */
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}
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}
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if (rc == 0) {
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if (!inetaddr)
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nolocalport();
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if (tcp_mode == TCPMODE_IBN)
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rc = session(addr,nlent,SESSION_MASTER,SESSION_BINKP,NULL);
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else
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rc = session(addr,nlent,SESSION_MASTER,SESSION_UNKNOWN,NULL);
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if (rc)
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rc=abs(rc)+10;
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}
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IsDoing("Disconnect");
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if (inetaddr) {
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closetcp();
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} else {
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hangup();
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if (rc == 0)
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aftercall();
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localport();
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closeport();
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}
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} else {
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IsDoing("NoCall");
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Syslog('+', "Cannot call %s (%s, phone %s)", ascfnode(addr,0x1f),MBSE_SS(nlent->name), MBSE_SS(nlent->phone));
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if ((nlent->phone || forcedphone || inetaddr ))
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rc=ST_NOCALL8;
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else
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rc=ST_NOCALL7;
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putstatus(addr, 10, rc);
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nodeulock(addr);
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return rc;
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}
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if ((rc > 10) && (rc < 20)) /* Session error */
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putstatus(addr, 5, rc);
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else if ((rc == 2) || (rc == 30))
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putstatus(addr,1,rc);
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else
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putstatus(addr,0,rc);
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return rc;
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}
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