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OS/2 Shareware BBS: 2 BBS
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B_SESSIO.C
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1991-10-17
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11KB
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444 lines
/*--------------------------------------------------------------------------*/
/* */
/* */
/* ------------ Bit-Bucket Software, Co. */
/* \ 10001101 / Writers and Distributors of */
/* \ 011110 / Freely Available<tm> Software. */
/* \ 1011 / */
/* ------ */
/* */
/* (C) Copyright 1987-90, Bit Bucket Software Co., a Delaware Corporation. */
/* */
/* */
/* This module was written by Vince Perriello */
/* */
/* */
/* BinkleyTerm Mail Session Initiator */
/* */
/* */
/* For complete details of the licensing restrictions, please refer */
/* to the License agreement, which is published in its entirety in */
/* the MAKEFILE and BT.C, and also contained in the file LICENSE.240. */
/* */
/* USE OF THIS FILE IS SUBJECT TO THE RESTRICTIONS CONTAINED IN THE */
/* BINKLEYTERM LICENSING AGREEMENT. IF YOU DO NOT FIND THE TEXT OF */
/* THIS AGREEMENT IN ANY OF THE AFOREMENTIONED FILES, OR IF YOU DO */
/* NOT HAVE THESE FILES, YOU SHOULD IMMEDIATELY CONTACT BIT BUCKET */
/* SOFTWARE CO. AT ONE OF THE ADDRESSES LISTED BELOW. IN NO EVENT */
/* SHOULD YOU PROCEED TO USE THIS FILE WITHOUT HAVING ACCEPTED THE */
/* TERMS OF THE BINKLEYTERM LICENSING AGREEMENT, OR SUCH OTHER */
/* AGREEMENT AS YOU ARE ABLE TO REACH WITH BIT BUCKET SOFTWARE, CO. */
/* */
/* */
/* You can contact Bit Bucket Software Co. at any one of the following */
/* addresses: */
/* */
/* Bit Bucket Software Co. FidoNet 1:104/501, 1:132/491, 1:141/491 */
/* P.O. Box 460398 AlterNet 7:491/0 */
/* Aurora, CO 80046 BBS-Net 86:2030/1 */
/* Internet f491.n132.z1.fidonet.org */
/* */
/* Please feel free to contact us at any time to share your comments about */
/* our software and/or licensing policies. */
/* */
/*--------------------------------------------------------------------------*/
#include <stdio.h>
#ifdef __TURBOC__
#include <mem.h>
#else
#include <memory.h>
#endif
#include <time.h>
#define WAZOO_SECTION
#define MATRIX_SECTION
#include "com.h"
#include "xfer.h"
#include "zmodem.h"
#include "keybd.h"
#include "sbuf.h"
#include "sched.h"
#include "externs.h"
#include "prototyp.h"
#include "defines.h"
extern int CallerSendSync (void);
extern int CalledRecvSync (void);
extern void pascal com_direct(unsigned char c); /* CML */
void b_session (was_initiator)
int was_initiator;
{
int i;
ADDR tmp;
tmp.Zone = 0;
tmp.Net = 0;
tmp.Node = 0;
tmp.Point = 0;
tmp.Domain = NULL;
CurrentNetFiles = DEFAULT.sc_Inbound;
mail_finished = 0;
time (&etm);
freq_accum.bytes = 0L;
freq_accum.files = 0;
if (un_attended && fullscreen) {
do_ready (msgtxt[M_READY_CONNECT]);
}
/* Remove the old .REQ and .RSP files */
for (i = 0; i < 10; i++) {
if (alias[i].Net == 0)
break;
(void) sprintf (junk, "%s%s.REQ", CurrentNetFiles, Hex_Addr_Str (&(alias[i])));
(void) unlink (junk);
(void) sprintf (junk, "%s.RSP", Hex_Addr_Str (&(alias[i])));
(void) unlink (junk);
}
remote_capabilities = 0;
(void) flag_file (SET_SESSION_FLAG, &called_addr, 0);
if (was_initiator) {
/*
* OUTBOUND -- meaning call was made by us.
*/
if (limit_baud) /* CML - if my nickel, don't pay for a screwed up connect */
{
int ok = 1;
if (lock_baud)
{
if (limit_baud > actual_baud)
ok = 0;
}
else if (limit_baud > btypes[baud].rate_value)
ok = 0;
if (!ok)
{
status_line("!Baudrate of connect is below LimitBaud.");
bad_call(&called_addr,1); /* set up a bad call file : Carrier Unsuccessful */
mdm_hangup ();
return;
}
}
last_type (1, &remote_addr);
if (Whack_CR ()) {
return;
}
switch (i = CallerSendSync()) {
case 1:
FTSC_sender (0);
break;
case 2:
if (YooHoo_Sender ()) { /* Send Hello packet, */
WaZOO (1);
}
break;
default:
break;
} /* end switch */
} else {
/*
* INBOUND -- meaning we were connected to by another system.
*/
switch (i = CalledRecvSync()) {
case 1: /* ESCape or Timeout */
if (CARRIER && !mail_only) {
last_type (3, &tmp);
(void) flag_file (CLEAR_SESSION_FLAG, &called_addr, 0);
BBSexit ();
}
break;
case 2: /* FTSC Netmail Session */
if (CARRIER) {
tmp.Zone = -1000;
last_type (2, &tmp);
tmp.Zone = 0;
++hist.mail_calls;
if (un_attended && fullscreen)
{
sb_move (historywin, HIST_MAIL_ROW, HIST_COL);
(void) sprintf (junk, "%d/%d", hist.bbs_calls, hist.mail_calls);
sb_puts (historywin, (unsigned char *) junk);
sb_show ();
}
(void) FTSC_receiver (0);
}
break;
case 3: /* WaZOO Netmail Session*/
if (YooHoo_Receiver ()) {
last_type (1, &remote_addr);
++hist.mail_calls;
if (un_attended && fullscreen)
{
sb_move (historywin, HIST_MAIL_ROW, HIST_COL);
(void) sprintf (junk, "%d/%d", hist.bbs_calls, hist.mail_calls);
sb_puts (historywin, (unsigned char *) junk);
}
WaZOO (0); /* do WaZOO!!! */
}
break;
default:
if ((i >= 5) && (i < (5 + num_ext_mail))) { /*See if ext mail*/
if (CARRIER) {
last_type (4, &tmp);
(void) flag_file (CLEAR_SESSION_FLAG, &called_addr, 0);
UUCPexit (lev_ext_mail[i-5]);
}
}
break;
} /* end switch */
} /* end if (was_initiator) */
(void) flag_file (CLEAR_SESSION_FLAG, &called_addr, 0);
return;
}
void b_init () {
got_arcmail = got_packet = got_mail = sent_mail = 0;
remote_addr.Zone = remote_addr.Net = remote_addr.Node = remote_addr.Point = 0;
remote_addr.Domain = NULL;
Netmail_Session = remote_capabilities = mail_finished = 0;
CurrentNetFiles = DEFAULT.sc_Inbound;
}
/*
* Send banner-type lines to remote. Since strange modems like Courier HST
* have a propensity for thinking they are connected when talking to a dial
* tone (but do leave CTS down just to screw us up) we have to use a timeout
* to figure out if we are in trouble, and if so, we drop DTR to make the
* bogus carrier go away.
*
* This routine is used in modules B_BBS.C and RECVSYNC.C, both of which
* are called from this module only.
*
*/
int SendBanner (string)
char *string;
{
long t1;
register char c;
t1 = timerset (600); /* 60 seconds max to put out banner */
while (!timeup (t1) && CARRIER) {
if (got_ESC ()) /* Manual abort? */
break; /* Use failure logic */
if (!OUT_FULL ()) {
c = *string++;
if (!c || c == 0x1a) /* Test for end */
return (1); /* Yes, success */
com_direct(c); /* com_direct is CML's */
}
}
/*
* If we get here we had trouble. Drop DTR now to hopefully get out of
* this trouble. Flush outbound. Pause for 1 second.
*/
DTR_OFF ();
CLEAR_OUTBOUND ();
timer (10);
CLEAR_INBOUND ();
return (0);
}
int flag_file (function, address, do_stat)
int function;
ADDR *address;
int do_stat;
{
FILE *fptr;
char *HoldName;
static ADDR last_set;
char flagname[128];
char tmpname[128];
if (!TaskNumber)
return (FALSE);
HoldName = HoldAreaNameMunge (address);
switch (function)
{
case INITIALIZE:
last_set.Zone = -1;
break;
case SET_SESSION_FLAG:
/* At the start of a session, set up the task number */
if (flag_dir)
{
sprintf (flagname, "%sTask.%d",
flag_dir, TaskNumber);
fptr = fopen (flagname, "wb");
fclose (fptr);
}
return (FALSE);
case CLEAR_SESSION_FLAG:
/* At the end of a session, delete the task file */
if (flag_dir)
{
sprintf (flagname, "%sTask.%d",
flag_dir, TaskNumber);
unlink (flagname);
}
return (FALSE);
case TEST_AND_SET:
/*
* First see if we already HAVE this lock! If so, return now.
*
*/
if (memcmp (&last_set, address, sizeof (ADDR)) == 0)
return (FALSE);
/*
* Check for the INMAIL.$$$ file.
*
*/
if (flag_dir != NULL)
{
sprintf (tmpname, "%sINMAIL.$$$",flag_dir);
if ((fptr = fopen (tmpname, "rb")) != NULL)
{
fclose (fptr);
if (!CARRIER)
if (do_stat)
status_line (":Other Node Processing Mail");
return (TRUE);
}
}
/*
* Next create a file using a temporary name.
*
*/
sprintf (tmpname, "%sBINK%04x.BSY",HoldName,TaskNumber);
fptr = fopen (tmpname, "wb");
if (fptr == NULL)
{
if (do_stat)
status_line (msgtxt[M_FAILED_CREATE_FLAG],tmpname);
return (TRUE);
}
fclose (fptr);
/*
* Now the test&set. Attempt to rename the file.
* If we succeed, we have the lock. If we do not,
* delete the temp file.
*
*/
sprintf (flagname, "%s%04x%04x.BSY",
HoldName, address->Net,address->Node);
if (!rename (tmpname, flagname))
{
if (do_stat)
status_line (msgtxt[M_CREATED_FLAGFILE],flagname);
memcpy (&last_set, address, sizeof (ADDR));
return (FALSE);
}
if (do_stat)
status_line (msgtxt[M_THIS_ADDRESS_LOCKED], Full_Addr_Str (address));
unlink (tmpname);
return (TRUE);
case CLEAR_FLAG:
/*
* Make sure we need to clear something.
* Zone should be something other than -1 if that's the case.
*
*/
if (last_set.Zone == -1)
return (TRUE);
/*
* Next compare what we want to clear with what we think we have.
*
*/
if (memcmp (&last_set, address, sizeof (ADDR)) != 0)
{
if (do_stat)
status_line (msgtxt[M_BAD_CLEAR_FLAGFILE],
Full_Addr_Str (address));
return (TRUE);
}
/*
* We match. Unlink the flag file. If we're successful, jam a -1
* into our saved Zone.
*
*/
sprintf (flagname, "%s%04x%04x.BSY",
HoldName, address->Net,address->Node);
if (!unlink (flagname))
{
if (do_stat)
status_line (msgtxt[M_CLEARED_FLAGFILE], flagname);
last_set.Zone = -1;
return (TRUE);
}
if (do_stat)
status_line (msgtxt[M_FAILED_CLEAR_FLAG],flagname);
return (FALSE);
default:
break;
}
return (TRUE);
}