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deb-mbse/mbcico/call.c
2002-03-18 15:37:55 +00:00

290 lines
7.4 KiB
C

/*****************************************************************************
*
* $Id$
* Purpose ...............: Fidonet mailer
*
*****************************************************************************
* Copyright (C) 1997-2002
*
* 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, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "../lib/libs.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/clcomm.h"
#include "../lib/dbnode.h"
#include "session.h"
#include "callstat.h"
#include "call.h"
#include "config.h"
#include "dial.h"
#include "lutil.h"
#include "portsel.h"
#include "openport.h"
#include "opentcp.h"
#include "rdoptions.h"
extern int tcp_mode;
extern int forcedcalls;
extern int immediatecall;
extern char *forcedphone;
extern char *forcedline;
extern char *inetaddr;
int portopen(faddr *addr)
{
char *p;
int rc;
if (inetaddr) {
Syslog('d', "portopen inetaddr %s", inetaddr);
if ((rc = opentcp(inetaddr))) {
Syslog('+', "Cannot connect %s", inetaddr);
nodeulock(addr);
putstatus(addr,1,ST_NOCONN);
return ST_NOCONN;
}
return 0;
}
if (forcedline) {
Syslog('d', "portopen forcedline %s", forcedline);
p = forcedline;
if (load_port(p)) {
if ((rc = openport(p, ttyinfo.portspeed))) {
Syslog('+', "Cannot open port %s",p);
nodeulock(addr);
putstatus(addr, 10, ST_PORTERR);
return ST_PORTERR;
}
return ST_PORTOK;
} else {
nodeulock(addr);
putstatus(addr, 0, ST_PORTERR);
return ST_PORTERR;
}
}
WriteError("call.c portopen(): should not be here");
return ST_PORTERR;
}
int call(faddr *addr)
{
int i, rc = 1;
struct hostent *he;
/*
* Don't call points, call their boss instead.
*/
addr->point = 0;
/*
* First check if node is locked, if not lock it immediatly
* or stop further waste of time and logfile space.
*/
if (nodelock(addr)) {
Syslog('+', "System %s is locked", ascfnode(addr, 0x1f));
putstatus(addr, 0, ST_LOCKED);
return ST_LOCKED;
}
if ((nlent = getnlent(addr)) == NULL) {
WriteError("Cannot call %s: fatal in nodelist lookup", ascfnode(addr, 0x1f));
putstatus(addr,0,ST_LOOKUP);
nodeulock(addr);
return ST_LOOKUP;
}
/*
* Load the noderecord if the node is in the setup.
*/
noderecord(addr);
rdoptions(TRUE);
/*
* Fill default history info in case we get a FTS0001 session
*/
sprintf(history.system_name, "%s", nlent->name);
sprintf(history.location, "%s", nlent->location);
history.aka.zone = addr->zone;
history.aka.net = addr->net;
history.aka.node = addr->node;
history.aka.point = addr->point;
if (addr->domain && strlen(addr->domain))
sprintf(history.aka.domain, "%s", addr->domain);
/*
* First see if this node can be reached over the internet and
* that internet calls are allowed.
*/
if (nlent->iflags && ((localoptions & NOTCP) == 0)) {
if (!inetaddr) {
Syslog('d', "Trying to find IP address...");
/*
* There is no fdn or IP address at the commandline.
* First check nodesetup for an override in the phone field.
*/
if (strlen(nodes.phone[0])) {
inetaddr = xstrcpy(nodes.phone[0]);
} else if (strlen(nodes.phone[1])) {
inetaddr = xstrcpy(nodes.phone[1]);
} else {
/*
* Try to find the fdn in several places in the nodelist fields.
*/
if ((nlent->phone != NULL) && (strncmp(nlent->phone, (char *)"000-", 4) == 0)) {
inetaddr = xstrcpy(nlent->phone+4);
for (i = 0; i < strlen(inetaddr); i++)
if (inetaddr[i] == '-')
inetaddr[i] = '.';
Syslog('d', "Got IP address from phone field");
} else if ((he = gethostbyname(nlent->name))) {
inetaddr = xstrcpy(nlent->name);
Syslog('d', "Got hostname from nodelist system name");
} else if ((he = gethostbyname(nlent->location))) {
/*
* A fdn at the nodelist location field is not in the specs
* but the real world differs from the specs.
*/
inetaddr = xstrcpy(nlent->location);
Syslog('d', "Got hostname from nodelist location");
}
}
}
/*
* If we have an internet address, set protocol
*/
if (inetaddr) {
Syslog('d', "TCP/IP node \"%s\"", MBSE_SS(inetaddr));
if (tcp_mode == TCPMODE_NONE) {
/*
* If protocol not forced at the commandline, get it
* from the nodelist. If it fails, fallback to dial.
* Priority IBN, IFC, ITN.
*/
if (nlent->iflags & IP_IBN)
tcp_mode = TCPMODE_IBN;
else if (nlent->iflags & IP_IFC)
tcp_mode = TCPMODE_IFC;
else if (nlent->iflags & IP_ITN)
tcp_mode = TCPMODE_ITN;
else {
Syslog('+', "No common TCP/IP protocols for node %s", nlent->name);
free(inetaddr);
inetaddr = NULL;
}
Syslog('d', "TCP mode set to %d", tcp_mode);
}
} else {
Syslog('d', "No IP address, fallback to dial");
tcp_mode = TCPMODE_NONE;
}
}
if (((nlent->oflags & OL_CM) == 0) && (!IsZMH())) {
Syslog('?', "Warning: calling MO system outside ZMH");
}
if (inbound)
free(inbound);
inbound = xstrcpy(CFG.pinbound); /* master sessions are secure */
/*
* Call when:
* the nodelist has a phone, or phone on commandline, or TCP address given
* and
* nodenumber on commandline, or node is CM and not down, hold, pvt
* and
* nocall is false
*/
if ((nlent->phone || forcedphone || inetaddr ) &&
(forcedcalls || (((nlent->pflag & (NL_DUMMY|NL_DOWN|NL_HOLD|NL_PVT)) == 0) && ((localoptions & NOCALL) == 0)))) {
Syslog('+', "Calling %s (%s, phone %s)",ascfnode(addr,0x1f), nlent->name,nlent->phone?nlent->phone:forcedphone);
IsDoing("Call %s", ascfnode(addr, 0x0f));
rc = portopen(addr);
if ((rc == 0) && (!inetaddr)) {
if ((rc = dialphone(forcedphone?forcedphone:nlent->phone))) {
Syslog('+', "Dial failed");
nodeulock(addr);
rc+=1; /* rc=2 - dial fail, rc=3 - could not reset */
}
}
if (rc == 0) {
if (!inetaddr)
nolocalport();
if (tcp_mode == TCPMODE_IBN)
rc = session(addr,nlent,SESSION_MASTER,SESSION_BINKP,NULL);
else
rc = session(addr,nlent,SESSION_MASTER,SESSION_UNKNOWN,NULL);
if (rc)
rc=abs(rc)+10;
}
IsDoing("Disconnect");
if (inetaddr) {
closetcp();
} else {
hangup();
if (rc == 0)
aftercall();
localport();
closeport();
}
} else {
IsDoing("NoCall");
Syslog('+', "Cannot call %s (%s, phone %s)", ascfnode(addr,0x1f),MBSE_SS(nlent->name), MBSE_SS(nlent->phone));
if ((nlent->phone || forcedphone || inetaddr ))
rc=ST_NOCALL8;
else
rc=ST_NOCALL7;
putstatus(addr, 10, rc);
nodeulock(addr);
return rc;
}
if ((rc > 10) && (rc < 20)) /* Session error */
putstatus(addr, 5, rc);
else if ((rc == 2) || (rc == 30))
putstatus(addr,1,rc);
else
putstatus(addr,0,rc);
return rc;
}