main.cpp 121 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
/* main.cpp */

/* Synchronet main/telnet server thread and related functions */

/* $Id$ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2003 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * This program 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			*
 * of the License, or (at your option) any later version.					*
 * See the GNU General Public License for more details: gpl.txt or			*
 * http://www.fsf.org/copyleft/gpl.html										*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#include "sbbs.h"
#include "ident.h"
#include "telnet.h" 

#ifdef __unix__
	#include <sys/un.h>
#endif

//---------------------------------------------------------------------------

/* Temporary */
int	mswtyp=0;
uint riobp;

#define TELNET_SERVER "Synchronet Telnet Server"
#define STATUS_WFC	"Listening"

#define TIMEOUT_THREAD_WAIT		60			// Seconds (was 15)
#define IO_THREAD_BUF_SIZE	   	20000		// Bytes

// Globals
#ifdef _WIN32
	HANDLE		exec_mutex=NULL;
	HINSTANCE	hK32=NULL;

	#if defined(_DEBUG) && defined(_MSC_VER)
			HANDLE	debug_log=INVALID_HANDLE_VALUE;
		   _CrtMemState mem_chkpoint;
	#endif // _DEBUG && _MSC_VER

#endif // _WIN32

time_t	uptime=0;
DWORD	served=0;

static	uint node_threads_running=0;
static	uint thread_count=0;
		
char 	lastuseron[LEN_ALIAS+1];  /* Name of user last online */
RingBuf* node_inbuf[MAX_NODES];
SOCKET	spy_socket[MAX_NODES];
#ifdef __unix__
SOCKET	uspy_socket[MAX_NODES];	  /* UNIX domain spy sockets */
#endif
SOCKET	node_socket[MAX_NODES];
static	SOCKET telnet_socket=INVALID_SOCKET;
static	SOCKET rlogin_socket=INVALID_SOCKET;
static	pthread_mutex_t event_mutex;
static  bool	event_mutex_locked;
static	sbbs_t*	sbbs=NULL;
static	scfg_t	scfg;
static	bool	scfg_reloaded=true;
static	char *	text[TOTAL_TEXT];
static	WORD	first_node;
static	WORD	last_node;
static	bool	recycle_server=false;

extern "C" {

static bbs_startup_t* startup=NULL;

static void status(char* str)
{
	if(startup!=NULL && startup->status!=NULL)
102
	    startup->status(startup->cbdata,str);
103
104
105
106
107
}

static void update_clients()
{
	if(startup!=NULL && startup->clients!=NULL)
108
		startup->clients(startup->cbdata,node_threads_running);
109
110
111
112
113
}

void client_on(SOCKET sock, client_t* client, BOOL update)
{
	if(startup!=NULL && startup->client_on!=NULL)
114
		startup->client_on(startup->cbdata,TRUE,sock,client,update);
115
116
117
118
119
}

static void client_off(SOCKET sock)
{
	if(startup!=NULL && startup->client_on!=NULL)
120
		startup->client_on(startup->cbdata,FALSE,sock,NULL,FALSE);
121
122
123
124
125
126
}

static void thread_up(BOOL setuid)
{
	thread_count++;
	if(startup!=NULL && startup->thread_up!=NULL)
127
		startup->thread_up(startup->cbdata,TRUE,setuid);
128
129
130
131
132
133
134
}

static void thread_down()
{
	if(thread_count>0)
		thread_count--;
	if(startup!=NULL && startup->thread_up!=NULL)
135
		startup->thread_up(startup->cbdata,FALSE,FALSE);
136
137
138
139
}

int lputs(char* str)
{
rswindell's avatar
rswindell committed
140
	if(startup==NULL || startup->lputs==NULL || str==NULL)
141
142
    	return(0);

143
    return(startup->lputs(startup->cbdata,LOG_INFO,str));
144
145
146
147
148
149
150
151
152
153
154
}

int lprintf(char *fmt, ...)
{
	va_list argptr;
	char sbuf[1024];

    va_start(argptr,fmt);
    vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
	sbuf[sizeof(sbuf)-1]=0;
    va_end(argptr);
rswindell's avatar
rswindell committed
155
    return(lputs(sbuf));
156
157
158
159
160
161
162
}

int eprintf(char *fmt, ...)
{
	va_list argptr;
	char sbuf[1024];

163
    if(startup==NULL || startup->event_lputs==NULL)
164
165
166
167
168
169
170
        return(0);

    va_start(argptr,fmt);
    vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
	sbuf[sizeof(sbuf)-1]=0;
    va_end(argptr);
	strip_ctrl(sbuf);
171
    return(startup->event_lputs(LOG_INFO,sbuf));
172
173
174
175
176
177
178
179
180
}

SOCKET open_socket(int type)
{
	SOCKET	sock;
	char	error[256];

	sock=socket(AF_INET, type, IPPROTO_IP);
	if(sock!=INVALID_SOCKET && startup!=NULL && startup->socket_open!=NULL) 
181
		startup->socket_open(startup->cbdata,TRUE);
182
183
184
185
186
187
188
189
190
191
192
193
	if(sock!=INVALID_SOCKET && set_socket_options(&scfg, sock, error))
		lprintf("%04d !ERROR %s",sock,error);

	return(sock);
}

SOCKET accept_socket(SOCKET s, SOCKADDR* addr, socklen_t* addrlen)
{
	SOCKET	sock;

	sock=accept(s,addr,addrlen);
	if(sock!=INVALID_SOCKET && startup!=NULL && startup->socket_open!=NULL) 
194
		startup->socket_open(startup->cbdata,TRUE);
195
196
197
198
199
200
201
202
203
204
205
206
207
208

	return(sock);
}

int close_socket(SOCKET sock)
{
	int		result;

	if(sock==INVALID_SOCKET || sock==0)
		return(0);

	shutdown(sock,SHUT_RDWR);	/* required on Unix */
	result=closesocket(sock);
	if(result==0 && startup!=NULL && startup->socket_open!=NULL) 
209
		startup->socket_open(startup->cbdata,FALSE);
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
	if(result!=0 && ERROR_VALUE!=ENOTSOCK)
		lprintf("!ERROR %d closing socket %d",ERROR_VALUE,sock);
	return(result);
}


u_long resolve_ip(char *addr)
{
	HOSTENT*	host;
	char*		p;

	if(*addr==0)
		return(INADDR_NONE);

	for(p=addr;*p;p++)
		if(*p!='.' && !isdigit(*p))
			break;
	if(!(*p))
		return(inet_addr(addr));
	if((host=gethostbyname(addr))==NULL) 
		return(INADDR_NONE);
	return(*((ulong*)host->h_addr_list[0]));
}

} /* extern "C" */

#ifdef JAVASCRIPT

JSBool	
DLLCALL js_CreateArrayOfStrings(JSContext* cx, JSObject* parent, const char* name, char* str[],uintN flags)
{
	JSObject*	array;
	JSString*	js_str;
	jsval		val;
	size_t		i;
	jsuint		len=0;
		
	if(JS_GetProperty(cx,parent,name,&val) && val!=JSVAL_VOID)
		array=JSVAL_TO_OBJECT(val);
	else
		if((array=JS_NewArrayObject(cx, 0, NULL))==NULL)
			return(JS_FALSE);

253
254
255
256
	if(!JS_DefineProperty(cx, parent, name, OBJECT_TO_JSVAL(array)
		,NULL,NULL,flags))
		return(JS_FALSE);

257
258
259
260
261
262
263
264
265
266
267
	if(!JS_GetArrayLength(cx, array, &len))
		return(JS_FALSE);

	for(i=0;str[i]!=NULL;i++) {
		if((js_str = JS_NewStringCopyZ(cx, str[i]))==NULL)
			break;
		val = STRING_TO_JSVAL(js_str);
		if(!JS_SetElement(cx, array, len+i, &val))
			break;
	}

268
	return(JS_TRUE);
269
270
}

271
/* Convert from Synchronet-specific jsSyncMethodSpec to JSAPI's JSFunctionSpec */
272
273

JSBool
274
DLLCALL js_DescribeSyncObject(JSContext* cx, JSObject* obj, const char* str, int ver)
275
276
277
278
279
280
281
{
	JSString* js_str = JS_NewStringCopyZ(cx, str);

	if(js_str==NULL)
		return(JS_FALSE);

	return(JS_DefineProperty(cx,obj,"_description"
282
283
284
			,STRING_TO_JSVAL(js_str),NULL,NULL,JSPROP_READONLY)
		&& JS_DefineProperty(cx,obj,"_ver"
			,INT_TO_JSVAL(ver),NULL,NULL,JSPROP_READONLY));
285
286
287
}

JSBool
288
DLLCALL js_DescribeSyncConstructor(JSContext* cx, JSObject* obj, const char* str)
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
{
	JSString* js_str = JS_NewStringCopyZ(cx, str);

	if(js_str==NULL)
		return(JS_FALSE);

	return(JS_DefineProperty(cx,obj,"_constructor"
		,STRING_TO_JSVAL(js_str),NULL,NULL,JSPROP_READONLY));
}

#ifdef _DEBUG

static char* server_prop_desc[] = {

	 "server name and version number"
	,"detailed version/build information"
	,NULL
};


static const char* method_array_name = "_method_list";
310
static const char* propver_array_name = "_property_ver_list";
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326

/*
 * from jsatom.c:
 * Keep this in sync with jspubtd.h -- an assertion below will insist that
 * its length match the JSType enum's JSTYPE_LIMIT limit value.
 */
static const char *js_type_str[] = {
    "void",			// changed from "undefined"
    "object",
    "function",
    "string",
    "number",
    "boolean",
	"array",		// JSTYPE_LIMIT
};

327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
JSBool
DLLCALL js_DefineSyncProperties(JSContext *cx, JSObject *obj, jsSyncPropertySpec* props)
{
	uint		i;
	jsval		val;
	jsuint		len=0;
	JSObject*	array;

	if((array=JS_NewArrayObject(cx, 0, NULL))==NULL)
		return(JS_FALSE);

	if(!JS_DefineProperty(cx, obj, propver_array_name, OBJECT_TO_JSVAL(array)
		,NULL,NULL,JSPROP_READONLY))
		return(JS_FALSE);

	for(i=0;props[i].name;i++) {
		if(!JS_DefinePropertyWithTinyId(cx, obj, 
			props[i].name,props[i].tinyid, JSVAL_VOID, NULL, NULL, props[i].flags))
			return(JS_FALSE);
		if(props[i].flags&JSPROP_ENUMERATE) {	/* No need to version invisible props */
			val = INT_TO_JSVAL(props[i].ver);
			if(!JS_SetElement(cx, array, len++, &val))
				return(JS_FALSE);
		}
	}

	return(JS_TRUE);
}

356
JSBool 
357
DLLCALL js_DefineSyncMethods(JSContext* cx, JSObject* obj, jsSyncMethodSpec *funcs, BOOL append)
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
{
	int			i;
	jsuint		len=0;
	jsval		val;
	JSObject*	method;
	JSObject*	method_array;
	JSString*	js_str;

	/* Return existing method_list array if it's already been created */
	if(JS_GetProperty(cx,obj,method_array_name,&val) && val!=JSVAL_VOID)
		method_array=JSVAL_TO_OBJECT(val);
	else
		if((method_array=JS_NewArrayObject(cx, 0, NULL))==NULL) 
			return(JS_FALSE);

373
374
375
376
	if(!JS_DefineProperty(cx, obj, method_array_name, OBJECT_TO_JSVAL(method_array)
		, NULL, NULL, 0))
		return(JS_FALSE);

377
378
379
380
381
382
	if(append)
		if(!JS_GetArrayLength(cx, method_array, &len))
			return(JS_FALSE);

	for(i=0;funcs[i].name;i++) {

383
384
		if(!JS_DefineFunction(cx, obj, funcs[i].name, funcs[i].call, funcs[i].nargs, 0))
			return(JS_FALSE);
385
386
387
388

		if(funcs[i].type==JSTYPE_ALIAS)
			continue;

389
		method = JS_NewObject(cx, NULL, NULL, method_array);	/* exception here June-7-2003 */
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423

		if(method==NULL)
			return(JS_FALSE);

		if(funcs[i].name!=NULL) {
			if((js_str=JS_NewStringCopyZ(cx,funcs[i].name))==NULL)
				return(JS_FALSE);
			val = STRING_TO_JSVAL(js_str);
			JS_SetProperty(cx, method, "name", &val);
		}

		val = INT_TO_JSVAL(funcs[i].nargs);
		if(!JS_SetProperty(cx, method, "nargs", &val))
			return(JS_FALSE);

		if((js_str=JS_NewStringCopyZ(cx,js_type_str[funcs[i].type]))==NULL)
			return(JS_FALSE);
		val = STRING_TO_JSVAL(js_str);
		JS_SetProperty(cx, method, "type", &val);

		if(funcs[i].args!=NULL) {
			if((js_str=JS_NewStringCopyZ(cx,funcs[i].args))==NULL)
				return(JS_FALSE);
			val = STRING_TO_JSVAL(js_str);
			JS_SetProperty(cx, method, "args", &val);
		}

		if(funcs[i].desc!=NULL) { 
			if((js_str=JS_NewStringCopyZ(cx,funcs[i].desc))==NULL)
				return(JS_FALSE);
			val = STRING_TO_JSVAL(js_str);
			JS_SetProperty(cx, method, "desc", &val);
		}

424
425
426
427
428
		if(funcs[i].ver) {
			val = INT_TO_JSVAL(funcs[i].ver);
			JS_SetProperty(cx,method, "ver", &val);
		}

429
430
431
432
433
434
435
436
437
438
		val=OBJECT_TO_JSVAL(method);
		if(!JS_SetElement(cx, method_array, len+i, &val))
			return(JS_FALSE);
	}

	return(JS_TRUE);
}

#else // NON-DEBUG

439
440
441
442
443
444
445
446
447
448
449
450
451
452
JSBool
DLLCALL js_DefineSyncProperties(JSContext *cx, JSObject *obj, jsSyncPropertySpec* props)
{
	uint i;

	for(i=0;props[i].name;i++) 
		if(!JS_DefinePropertyWithTinyId(cx, obj, 
			props[i].name,props[i].tinyid, JSVAL_VOID, NULL, NULL, props[i].flags))
			return(JS_FALSE);

	return(JS_TRUE);
}


453
JSBool 
454
DLLCALL js_DefineSyncMethods(JSContext* cx, JSObject* obj, jsSyncMethodSpec *funcs, BOOL append)
455
{
456
	uint i;
457
458

	for(i=0;funcs[i].name;i++)
459
460
		if(!JS_DefineFunction(cx, obj, funcs[i].name, funcs[i].call, funcs[i].nargs, 0))
			return(JS_FALSE);
461
462
463
464
465
	return(JS_TRUE);
}

#endif

466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
/* This is a stream-lined version of JS_DefineConstDoubles */
JSBool
DLLCALL js_DefineConstIntegers(JSContext* cx, JSObject* obj, jsConstIntSpec* ints, int flags)
{
	uint	i;
	jsval	val;

	for(i=0;ints[i].name;i++) {
        if(!JS_NewNumberValue(cx, ints[i].val, &val))
			return(JS_FALSE);

		if(!JS_DefineProperty(cx, obj, ints[i].name, val ,NULL, NULL, flags))
			return(JS_FALSE);
	}
		
	return(JS_TRUE);
}

484
485
486
static JSBool
js_log(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
487
488
    uintN		i=0;
	int32		level=LOG_INFO;
489
    JSString*	str=NULL;
490
491
492
493
494
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

495
496
497
498
	if(JSVAL_IS_NUMBER(argv[i]))
		JS_ValueToInt32(cx,argv[i++],&level);

    for(; i<argc; i++) {
499
500
501
		if((str=JS_ValueToString(cx, argv[i]))==NULL)
		    return(JS_FALSE);
		if(sbbs->online==ON_LOCAL) {
502
			if(startup!=NULL && startup->event_lputs!=NULL)
503
				startup->event_lputs(level,JS_GetStringBytes(str));
504
505
		} else
			lputs(JS_GetStringBytes(str));
506
	}
507

508
509
510
511
	if(str==NULL)
		*rval = JSVAL_VOID;
	else
		*rval = STRING_TO_JSVAL(str);
512
513
514
    return(JS_TRUE);
}

515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
static JSBool
js_read(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	uchar*		buf;
	int32		len=128;
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	*rval = JSVAL_VOID;

	if(argc)
		JS_ValueToInt32(cx,argv[0],&len);

	if((buf=(uchar*)malloc(len))==NULL)
		return(JS_TRUE);

	len=RingBufRead(&sbbs->inbuf,buf,len);

	if(len>0)
		*rval = STRING_TO_JSVAL(JS_NewStringCopyN(cx,(char*)buf,len));

	free(buf);
	return(JS_TRUE);
}

static JSBool
js_readln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		buf;
	int32		len=128;
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	*rval = JSVAL_VOID;

	if(argc)
		JS_ValueToInt32(cx,argv[0],&len);

	if((buf=(char*)malloc(len))==NULL)
		return(JS_TRUE);

	len=sbbs->getstr(buf,len,K_NONE);

	if(len>0)
		*rval = STRING_TO_JSVAL(JS_NewStringCopyZ(cx,buf));

	free(buf);
	return(JS_TRUE);
}

569
static JSBool
570
js_write(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
571
572
{
    uintN		i;
573
    JSString*	str=NULL;
574
575
576
577
578
579
580
581
582
583
584
585
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

    for (i = 0; i < argc; i++) {
		if((str=JS_ValueToString(cx, argv[i]))==NULL)
		    return(JS_FALSE);
		if(sbbs->online==ON_LOCAL)
			eprintf("%s",JS_GetStringBytes(str));
		else
			sbbs->bputs(JS_GetStringBytes(str));
586
587
588
589
590
591
592
593
594
595
	}

	if(str==NULL)
		*rval = JSVAL_VOID;
	else
		*rval = STRING_TO_JSVAL(str);
    return(JS_TRUE);
}

static JSBool
596
js_writeln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
597
598
599
600
601
602
603
{
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	js_write(cx,obj,argc,argv,rval);
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
	if(sbbs->online==ON_REMOTE)
		sbbs->bputs(crlf);

    return(JS_TRUE);
}

static JSBool
js_printf(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		p;
    uintN		i;
	JSString *	fmt;
    JSString *	str;
	sbbs_t*		sbbs;
	va_list		arglist[64];

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	if((fmt = JS_ValueToString(cx, argv[0]))==NULL)
		return(JS_FALSE);

	memset(arglist,0,sizeof(arglist));	// Initialize arglist to NULLs

    for (i = 1; i < argc && i<sizeof(arglist)/sizeof(arglist[0]); i++) {
		if(JSVAL_IS_STRING(argv[i])) {
			if((str=JS_ValueToString(cx, argv[i]))==NULL)
			    return(JS_FALSE);
			arglist[i-1]=JS_GetStringBytes(str);
		} 
		else if(JSVAL_IS_DOUBLE(argv[i]))
			arglist[i-1]=(char*)(unsigned long)*JSVAL_TO_DOUBLE(argv[i]);
		else if(JSVAL_IS_INT(argv[i]) || JSVAL_IS_BOOLEAN(argv[i]))
			arglist[i-1]=(char *)JSVAL_TO_INT(argv[i]);
		else
			arglist[i-1]=NULL;
	}
	
	if((p=JS_vsmprintf(JS_GetStringBytes(fmt),(char*)arglist))==NULL)
		return(JS_FALSE);

	if(sbbs->online==ON_LOCAL)
		eprintf("%s",p);
	else
		sbbs->bputs(p);
649
650
651

	*rval = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, p));

652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
	JS_smprintf_free(p);

    return(JS_TRUE);
}

static JSBool
js_alert(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
    JSString *	str;
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	if((str=JS_ValueToString(cx, argv[0]))==NULL)
	    return(JS_FALSE);

	sbbs->attr(sbbs->cfg.color[clr_err]);
	sbbs->bputs(JS_GetStringBytes(str));
	sbbs->attr(LIGHTGRAY);
	sbbs->bputs(crlf);

	*rval = JSVAL_VOID;
    return(JS_TRUE);
}

static JSBool
js_confirm(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
    JSString *	str;
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	if((str=JS_ValueToString(cx, argv[0]))==NULL)
	    return(JS_FALSE);

	*rval = BOOLEAN_TO_JSVAL(sbbs->yesno(JS_GetStringBytes(str)));
	return(JS_TRUE);
}

static JSBool
js_prompt(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char		instr[81];
    JSString *	prompt;
    JSString *	str;
	sbbs_t*		sbbs;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	if((prompt=JS_ValueToString(cx, argv[0]))==NULL)
	    return(JS_FALSE);

	if(argc>1) {
		if((str=JS_ValueToString(cx, argv[1]))==NULL)
		    return(JS_FALSE);
		SAFECOPY(instr,JS_GetStringBytes(str));
	} else
		instr[0]=0;

	sbbs->bprintf("\1n\1y\1h%s\1w: ",JS_GetStringBytes(prompt));

	if(!sbbs->getstr(instr,sizeof(instr)-1,K_EDIT)) {
		*rval = JSVAL_NULL;
		return(JS_TRUE);
	}

	if((str=JS_NewStringCopyZ(cx, instr))==NULL)
	    return(JS_FALSE);

	*rval = STRING_TO_JSVAL(str);
    return(JS_TRUE);
}

729
static jsSyncMethodSpec js_global_functions[] = {
730
	{"log",				js_log,				1,	JSTYPE_STRING,	JSDOCSTR("[level,] value [,value]")
731
	,JSDOCSTR("add a line of text to the server and/or system log, "
732
733
		"<i>values</i> are typically string constants or variables, "
		"<i>level</i> is the debug level/priority (default: <tt>LOG_INFO</tt>)")
734
	,311
735
	},
736
737
	{"read",			js_read,			0,	JSTYPE_STRING,	JSDOCSTR("[count]")
	,JSDOCSTR("read up to count characters from input stream")
738
	,311
739
740
741
	},
	{"readln",			js_readln,			0,	JSTYPE_STRING,	JSDOCSTR("[count]")
	,JSDOCSTR("read a single line, up to count characters, from input stream")
742
	,311
743
	},
744
	{"write",			js_write,			0,	JSTYPE_VOID,	JSDOCSTR("value [,value]")
745
	,JSDOCSTR("send one or more values (typically strings) to the server output")
746
	,311
747
	},
748
749
750
751
	{"print",			js_writeln,			0,	JSTYPE_ALIAS },
    {"writeln",         js_writeln,         0,	JSTYPE_VOID,	JSDOCSTR("value [,value]")
	,JSDOCSTR("send a line of text to the console or event log with automatic line termination (CRLF), "
		"<i>values</i> are typically string constants or variables (AKA print)")
752
	,311
753
	},
754
    {"printf",          js_printf,          1,	JSTYPE_STRING,	JSDOCSTR("string format [,value][,value]")
755
	,JSDOCSTR("print a formatted string - <small>CAUTION: for experienced C programmers ONLY</small>")
756
	,310
757
758
759
	},	
	{"alert",			js_alert,			1,	JSTYPE_VOID,	JSDOCSTR("value")
	,JSDOCSTR("print an alert message (ala client-side JS)")
760
	,310
761
762
763
	},
	{"prompt",			js_prompt,			1,	JSTYPE_STRING,	JSDOCSTR("[value]")
	,JSDOCSTR("displays a prompt (<i>value</i>) and returns a string of user input (ala clent-side JS)")
764
	,310
765
766
767
768
	},
	{"confirm",			js_confirm,			1,	JSTYPE_BOOLEAN,	JSDOCSTR("value")
	,JSDOCSTR("displays a Yes/No prompt and returns <i>true</i> or <i>false</i> "
		"based on users confirmation (ala client-side JS)")
769
	,310
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
	},
    {0}
};

static void
js_ErrorReporter(JSContext *cx, const char *message, JSErrorReport *report)
{
	char	line[64];
	char	file[MAX_PATH+1];
	sbbs_t*	sbbs;
	const char*	warning;

	if((sbbs=(sbbs_t*)JS_GetContextPrivate(cx))==NULL)
		return;
	
	if(report==NULL) {
		lprintf("!JavaScript: %s", message);
		return;
    }

	if(report->filename)
		sprintf(file," %s",report->filename);
	else
		file[0]=0;

	if(report->lineno)
		sprintf(line," line %d",report->lineno);
	else
		line[0]=0;

	if(JSREPORT_IS_WARNING(report->flags)) {
		if(JSREPORT_IS_STRICT(report->flags))
			warning="strict warning";
		else
			warning="warning";
	} else
		warning=nulstr;

	if(sbbs->online==ON_LOCAL) 
		eprintf("!JavaScript %s%s%s: %s",warning,file,line,message);
	else {
		lprintf("!JavaScript %s%s%s: %s",warning,file,line,message);
		sbbs->bprintf("!JavaScript %s%s%s: %s\r\n",warning,file,line,message);
	}
}

bool sbbs_t::js_init()
{
	char		node[128];
	char		ver[256];
	jsval		val;
	JSObject*	server;
	JSString*	js_str;

    if(cfg.node_num)
    	sprintf(node,"Node %d",cfg.node_num);
    else
    	strcpy(node,client_name);

	lprintf("%s JavaScript: Creating runtime: %lu bytes"
		,node,startup->js_max_bytes);

	if((js_runtime = JS_NewRuntime(startup->js_max_bytes))==NULL)
		return(false);

	lprintf("%s JavaScript: Initializing context (stack: %lu bytes)"
836
		,node,startup->js_cx_stack);
837

838
    if((js_cx = JS_NewContext(js_runtime, startup->js_cx_stack))==NULL)
839
		return(false);
rswindell's avatar
rswindell committed
840
841
	
	memset(&js_branch,0,sizeof(js_branch));
842
843
844
	js_branch.limit = startup->js_branch_limit;
	js_branch.gc_interval = startup->js_gc_interval;
	js_branch.yield_interval = startup->js_yield_interval;
rswindell's avatar
rswindell committed
845
	js_branch.terminated = &terminated;
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867

	bool success=false;

	do {

		JS_SetErrorReporter(js_cx, js_ErrorReporter);

		JS_SetContextPrivate(js_cx, this);	/* Store a pointer to sbbs_t instance */

		/* Global Object */
		if((js_glob=js_CreateGlobalObject(js_cx, &cfg, js_global_functions))==NULL)
			break;

#ifdef _DEBUG
		JS_DefineProperty(js_cx, js_glob, "_global", OBJECT_TO_JSVAL(js_glob)
			,NULL,NULL,JSPROP_READONLY);
#endif

		/* System Object */
		if(js_CreateSystemObject(js_cx, js_glob, &cfg, uptime, startup->host_name)==NULL)
			break;

868
869
		/* Internal JS Object */
		if(js_CreateInternalJsObject(js_cx, js_glob, &js_branch)==NULL)
870
871
			break;

872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
		/* Client Object */
		if(js_CreateClientObject(js_cx, js_glob, "client", &client, client_socket)==NULL)
			break;

		/* BBS Object */
		if(js_CreateBbsObject(js_cx, js_glob)==NULL)
			break;

		/* Console Object */
		if(js_CreateConsoleObject(js_cx, js_glob)==NULL)
			break;

		/* Socket Class */
		if(js_CreateSocketClass(js_cx, js_glob)==NULL)
			break;

		/* MsgBase Class */
		if(js_CreateMsgBaseClass(js_cx, js_glob, &scfg)==NULL)
			break;

		/* File Class */
		if(js_CreateFileClass(js_cx, js_glob)==NULL)
			break;

		/* User class */
		if(js_CreateUserClass(js_cx, js_glob, &scfg)==NULL) 
			break;

		/* Area Objects */
		if(!js_CreateUserObjects(js_cx, js_glob, &scfg, NULL, NULL, NULL)) 
			break;

		/* Server Object */
		if((server=JS_DefineObject(js_cx, js_glob, "server", NULL
			,NULL,JSPROP_ENUMERATE|JSPROP_READONLY))==NULL)
			break;

		sprintf(ver,"%s %s%c",TELNET_SERVER,VERSION,REVISION);
		if((js_str=JS_NewStringCopyZ(js_cx, ver))==NULL)
			break;
		val = STRING_TO_JSVAL(js_str);
		if(!JS_SetProperty(js_cx, server, "version", &val))
			break;

		if((js_str=JS_NewStringCopyZ(js_cx, bbs_ver()))==NULL)
			break;
		val = STRING_TO_JSVAL(js_str);
		if(!JS_SetProperty(js_cx, server, "version_detail", &val))
			break;

#ifdef _DEBUG
923
		js_DescribeSyncObject(js_cx,server,"Server-specifc properties",310);
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
		js_CreateArrayOfStrings(js_cx, server, "_property_desc_list", server_prop_desc, JSPROP_READONLY);
#endif
		success=true;

	} while(0);

	if(!success) {
		JS_DestroyContext(js_cx);
		js_cx=NULL;
		return(false);
	}

	return(true);
}

void sbbs_t::js_create_user_objects(void)
{
	if(js_cx==NULL)
		return;

	if(!js_CreateUserObjects(js_cx, js_glob, &cfg, &useron, NULL, subscan)) 
		lprintf("!JavaScript ERROR creating user objects");
}

#endif	/* JAVASCRIPT */

#ifdef _WINSOCKAPI_

WSADATA WSAData;
static BOOL WSAInitialized=FALSE;

static BOOL winsock_startup(void)
{
	int		status;             /* Status Code */

    if((status = WSAStartup(MAKEWORD(1,1), &WSAData))==0) {
		lprintf("%s %s",WSAData.szDescription, WSAData.szSystemStatus);
		WSAInitialized=TRUE;
		return(TRUE);
	}

    lprintf("!WinSock startup ERROR %d", status);
	return(FALSE);
}

#else /* No WINSOCK */

#define winsock_startup()	(TRUE)	

#endif

static BYTE* telnet_interpret(sbbs_t* sbbs, BYTE* inbuf, int inlen,
  									BYTE* outbuf, int& outlen)
{
	BYTE*   first_iac=NULL;
	BYTE*	first_cr=NULL;
	int 	i;

    first_iac=(BYTE*)memchr(inbuf, TELNET_IAC, inlen);

	if(!(sbbs->telnet_mode&(TELNET_MODE_BIN_RX|TELNET_MODE_GATE)) 
		&& !(sbbs->console&CON_RAW_IN)) {
		if(sbbs->telnet_last_rxch==CR)
			first_cr=inbuf;
		else
			first_cr=(BYTE*)memchr(inbuf, CR, inlen);
	}

    if(!sbbs->telnet_cmdlen	&& first_iac==NULL && first_cr==NULL) {
        outlen=inlen;
        return(inbuf);	// no interpretation needed
    }

    if(first_iac!=NULL || first_cr!=NULL) {
		if(first_iac!=NULL && (first_cr==NULL || first_iac<first_cr))
   			outlen=first_iac-inbuf;
		else
			outlen=first_cr-inbuf;
	    memcpy(outbuf, inbuf, outlen);
    } else
    	outlen=0;

    for(i=outlen;i<inlen;i++) {
		if(!(sbbs->telnet_mode&(TELNET_MODE_BIN_RX|TELNET_MODE_GATE)) 
			&& !(sbbs->console&CON_RAW_IN)) {
			if(sbbs->telnet_last_rxch==CR
				&& (inbuf[i]==LF || inbuf[i]==0)) { // CR/LF or CR/NUL, ignore 2nd char
#if 0 /* Debug CR/LF problems */
				lprintf("Node %d CR/%02Xh detected and ignored"
					,sbbs->cfg.node_num, inbuf[i]);
#endif
				sbbs->telnet_last_rxch=inbuf[i];
				continue;
			}
			sbbs->telnet_last_rxch=inbuf[i];
		}

        if(inbuf[i]==TELNET_IAC && sbbs->telnet_cmdlen==1) { /* escaped 255 */
            sbbs->telnet_cmdlen=0;
            outbuf[outlen++]=TELNET_IAC;
            continue;
        }
        if(inbuf[i]==TELNET_IAC || sbbs->telnet_cmdlen) {
1027
1028
1029
1030
1031
1032
1033
1034
			if(sbbs->telnet_cmdlen<sizeof(sbbs->telnet_cmd))
				sbbs->telnet_cmd[sbbs->telnet_cmdlen++]=inbuf[i];
			if(sbbs->telnet_cmdlen>=2 && sbbs->telnet_cmd[1]==TELNET_SB) {
				if(inbuf[i]==TELNET_SE 
					&& sbbs->telnet_cmd[sbbs->telnet_cmdlen-2]==TELNET_IAC) {
					/* sub-option terminated */
					if(sbbs->telnet_cmd[2]==TELNET_TERM_TYPE
						&& sbbs->telnet_cmd[3]==TELNET_TERM_IS) {
1035
						sprintf(sbbs->terminal,"%.*s",(int)sbbs->telnet_cmdlen-6,sbbs->telnet_cmd+4);
1036
1037
1038
1039
1040
1041
1042
1043
1044
						lprintf("Node %d %s telnet terminal type: %s"
	                		,sbbs->cfg.node_num
							,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
							,sbbs->terminal);
					}
					sbbs->telnet_cmdlen=0;
				}
			}
            else if(sbbs->telnet_cmdlen==2 && inbuf[i]<TELNET_WILL) {
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
				if(startup->options&BBS_OPT_DEBUG_TELNET)
            		lprintf("Node %d %s telnet cmd: %s"
	                	,sbbs->cfg.node_num
						,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
                		,telnet_cmd_desc(sbbs->telnet_cmd[2]));
                sbbs->telnet_cmdlen=0;
            }
            else if(sbbs->telnet_cmdlen>=3) {
				if(sbbs->telnet_cmd[2]==TELNET_BINARY) {
					if(sbbs->telnet_cmd[1]==TELNET_WILL)
						sbbs->telnet_mode|=TELNET_MODE_BIN_RX;
					else if(sbbs->telnet_cmd[1]==TELNET_WONT)
						sbbs->telnet_mode&=~TELNET_MODE_BIN_RX;
				}
				if(sbbs->telnet_cmd[2]==TELNET_ECHO) {
					if(sbbs->telnet_cmd[1]==TELNET_DO)
						sbbs->telnet_mode|=TELNET_MODE_ECHO;
					else if(sbbs->telnet_cmd[1]==TELNET_DONT) {
						sbbs->telnet_mode&=~TELNET_MODE_ECHO;
						if(!(sbbs->telnet_mode&TELNET_MODE_GATE))
							sbbs->send_telnet_cmd(TELNET_WILL,TELNET_ECHO);
					}
				}
				if(startup->options&BBS_OPT_DEBUG_TELNET)
					lprintf("Node %d %s telnet cmd: %s %s"
	                    ,sbbs->cfg.node_num
						,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
						,telnet_cmd_desc(sbbs->telnet_cmd[1])
						,telnet_opt_desc(sbbs->telnet_cmd[2]));
                sbbs->telnet_cmdlen=0;
            }
			if(sbbs->telnet_mode&TELNET_MODE_GATE)	// Pass-through commads
				outbuf[outlen++]=inbuf[i];
        } else
        	outbuf[outlen++]=inbuf[i];
    }
    return(outbuf);
}

void sbbs_t::send_telnet_cmd(uchar cmd, uchar opt)
{
	char buf[16];
1087
	
1088
1089
	if(telnet_mode&TELNET_MODE_OFF)	
		return;
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119

	if(cmd<TELNET_WILL) {
		if(startup->options&BBS_OPT_DEBUG_TELNET)
            lprintf("Node %d sending telnet cmd: %s"
	            ,cfg.node_num
                ,telnet_cmd_desc(cmd));
		sprintf(buf,"%c%c",TELNET_IAC,cmd);
		putcom(buf,2);
	} else {
		if(startup->options&BBS_OPT_DEBUG_TELNET)
			lprintf("Node %d sending telnet cmd: %s %s"
				,cfg.node_num
				,telnet_cmd_desc(cmd)
				,telnet_opt_desc(opt));
		sprintf(buf,"%c%c%c",TELNET_IAC,cmd,opt);
		putcom(buf,3);
	}
}

void input_thread(void *arg)
{
	BYTE		inbuf[4000];
   	BYTE		telbuf[sizeof(inbuf)];
    BYTE		*wrbuf;
    int			i,rd,wr,avail;
	ulong		total_recv=0;
	ulong		total_pkts=0;
	fd_set		socket_set;
	sbbs_t*		sbbs = (sbbs_t*) arg;
	struct timeval	tv;
1120
1121
	SOCKET		high_socket;
	SOCKET		sock;
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137

	thread_up(TRUE /* setuid */);

#ifdef _DEBUG
	lprintf("Node %d input thread started",sbbs->cfg.node_num);
#endif

	pthread_mutex_init(&sbbs->input_thread_mutex,NULL);
    sbbs->input_thread_running = true;
	sbbs->console|=CON_R_INPUT;

	while(sbbs->online && sbbs->client_socket!=INVALID_SOCKET
		&& node_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET) {

		pthread_mutex_lock(&sbbs->input_thread_mutex);

1138
1139
1140
		FD_ZERO(&socket_set);
		FD_SET(sbbs->client_socket,&socket_set);
		high_socket=sbbs->client_socket;
1141
1142
#ifdef __unix__
		if(uspy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET)  {
1143
1144
1145
			FD_SET(uspy_socket[sbbs->cfg.node_num-1],&socket_set);
			if(uspy_socket[sbbs->cfg.node_num-1] > high_socket)
				high_socket=uspy_socket[sbbs->cfg.node_num-1];
1146
1147
1148
		}
#endif

1149
1150
		tv.tv_sec=1;
		tv.tv_usec=0;
1151

1152
		if((i=select(high_socket+1,&socket_set,NULL,NULL,&tv))<1) {
1153
			pthread_mutex_unlock(&sbbs->input_thread_mutex);
1154
			if(i==0)
1155
1156
1157
1158
1159
				continue;

			if(sbbs->client_socket==INVALID_SOCKET)
				break;

1160
			if(FD_ISSET(sbbs->client_socket,&socket_set))  {
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
	        	if(ERROR_VALUE == ENOTSOCK)
    	            lprintf("Node %d socket closed by peer on input->select", sbbs->cfg.node_num);
				else if(ERROR_VALUE==ESHUTDOWN)
					lprintf("Node %d socket shutdown on input->select", sbbs->cfg.node_num);
				else if(ERROR_VALUE==EINTR)
					lprintf("Node %d input thread interrupted",sbbs->cfg.node_num);
        	    else if(ERROR_VALUE==ECONNRESET) 
					lprintf("Node %d connection reset by peer on input->select", sbbs->cfg.node_num);
	            else if(ERROR_VALUE==ECONNABORTED) 
					lprintf("Node %d connection aborted by peer on input->select", sbbs->cfg.node_num);
				else
					lprintf("Node %d !ERROR %d input->select socket %d"
1173
                		,sbbs->cfg.node_num, ERROR_VALUE, sbbs->client_socket);
1174
1175
1176
				break;
			}
#ifdef __unix__
deuce's avatar
deuce committed
1177
1178
			else if(uspy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET && 
					FD_ISSET(uspy_socket[sbbs->cfg.node_num-1],&socket_set))  {
1179
1180
				if(ERROR_VALUE != EAGAIN)  {
					lprintf("Node %d !ERROR %d on local spy socket %d input->select"
1181
						, sbbs->cfg.node_num, errno, uspy_socket[sbbs->cfg.node_num-1]);
1182
1183
1184
1185
1186
1187
1188
1189
					close_socket(uspy_socket[sbbs->cfg.node_num-1]);
					uspy_socket[sbbs->cfg.node_num-1]=INVALID_SOCKET;
				}
				continue;
			}
#endif
		}

deuce's avatar
deuce committed
1190
1191
1192
		if(sbbs->client_socket==INVALID_SOCKET)
			break;

1193
1194
1195
		if(FD_ISSET(sbbs->client_socket,&socket_set))
			sock=sbbs->client_socket;
#ifdef __unix__
1196
1197
		else if(uspy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET
				&& FD_ISSET(uspy_socket[sbbs->cfg.node_num-1],&socket_set))  {
deuce's avatar
deuce committed
1198
1199
1200
1201
1202
			if(!socket_check(uspy_socket[sbbs->cfg.node_num-1],NULL,NULL,0)) {
				close_socket(uspy_socket[sbbs->cfg.node_num-1]);
				uspy_socket[sbbs->cfg.node_num-1]=INVALID_SOCKET;
				continue;
			}
1203
			sock=uspy_socket[sbbs->cfg.node_num-1];
1204
		}
1205
1206
1207
1208
#endif
		else
			continue;

1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
		if(sbbs->client_socket==INVALID_SOCKET) {
			pthread_mutex_unlock(&sbbs->input_thread_mutex);
			break;
		}

    	rd=RingBufFree(&sbbs->inbuf);

		if(!rd) { // input buffer full
        	// wait up to 5 seconds to empty (1 byte min)
			time_t start=time(NULL);
            while((rd=RingBufFree(&sbbs->inbuf))==0) {
            	if(time(NULL)-start>=5) {
                	rd=1;
                	break;
                }
                YIELD();
            }
		}
		
	    if(rd > (int)sizeof(inbuf))
        	rd=sizeof(inbuf);

    	rd = recv(sock, (char*)inbuf, rd, 0);

		pthread_mutex_unlock(&sbbs->input_thread_mutex);

		if(rd == SOCKET_ERROR)
		{
			if(sock==sbbs->client_socket)  {
	        	if(ERROR_VALUE == ENOTSOCK)
    	            lprintf("Node %d socket closed by peer on receive", sbbs->cfg.node_num);
        	    else if(ERROR_VALUE==ECONNRESET) 
					lprintf("Node %d connection reset by peer on receive", sbbs->cfg.node_num);
				else if(ERROR_VALUE==ESHUTDOWN)
					lprintf("Node %d socket shutdown on receive", sbbs->cfg.node_num);
        	    else if(ERROR_VALUE==ECONNABORTED) 
					lprintf("Node %d connection aborted by peer on receive", sbbs->cfg.node_num);
				else
					lprintf("Node %d !ERROR %d receiving from socket %d"
        	        	,sbbs->cfg.node_num, ERROR_VALUE, sock);
				break;
			}
#ifdef __unix__
			else  {
				if(ERROR_VALUE != EAGAIN)  {
rswindell's avatar
rswindell committed
1254
					lprintf("Node %d !ERROR %d on local spy socket %d receive"
1255
						, sbbs->cfg.node_num, errno, sock);
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
					close_socket(uspy_socket[sbbs->cfg.node_num-1]);
					uspy_socket[sbbs->cfg.node_num-1]=INVALID_SOCKET;
				}
				continue;
			}
#endif
		}

		if(rd == 0 && sock==sbbs->client_socket)
		{
			lprintf("Node %d disconnected", sbbs->cfg.node_num);
			break;
		}

		total_recv+=rd;
		total_pkts++;

        // telbuf and wr are modified to reflect telnet escaped data
1274
		wr=rd;
1275
#ifdef __unix__
1276
		if(sock!=sbbs->client_socket)
1277
1278
1279
			wrbuf=inbuf;
		else
#endif
1280
1281
1282
		if(sbbs->telnet_mode&TELNET_MODE_OFF)
			wrbuf=inbuf;
		else
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
			wrbuf=telnet_interpret(sbbs, inbuf, rd, telbuf, wr);
		if(wr > (int)sizeof(telbuf)) 
			lprintf("!TELBUF OVERFLOW (%d>%d)",wr,sizeof(telbuf));

		/* First level Ctrl-C checking */
		if(!(sbbs->cfg.ctrlkey_passthru&(1<<CTRL_C))
			&& sbbs->rio_abortable 
			&& !(sbbs->telnet_mode&(TELNET_MODE_BIN_RX|TELNET_MODE_GATE))
			&& memchr(wrbuf, CTRL_C, wr)) {	
			if(RingBufFull(&sbbs->inbuf))
    			lprintf("Node %d Ctrl-C hit with %lu bytes in input buffer"
					,sbbs->cfg.node_num,RingBufFull(&sbbs->inbuf));
			if(RingBufFull(&sbbs->outbuf))
    			lprintf("Node %d Ctrl-C hit with %lu bytes in output buffer"
					,sbbs->cfg.node_num,RingBufFull(&sbbs->outbuf));
			sbbs->sys_status|=SS_ABORT;
			RingBufReInit(&sbbs->inbuf);	/* Purge input buffer */
    		RingBufReInit(&sbbs->outbuf);	/* Purge output buffer */
			sem_post(&sbbs->inbuf.sem);
			continue;	// Ignore the entire buffer
		}

		avail=RingBufFree(&sbbs->inbuf);

        if(avail<wr)
			lprintf("!INPUT BUFFER FULL (%d free)", avail);
        else
			RingBufWrite(&sbbs->inbuf, wrbuf, wr);
//		if(wr>100)
//			mswait(500);	// Throttle sender
	}
	sbbs->online=0;

    sbbs->input_thread_running = false;
	if(node_socket[sbbs->cfg.node_num-1]==INVALID_SOCKET)	// Shutdown locally
		sbbs->terminated = true;	// Signal JS to stop execution

	pthread_mutex_destroy(&sbbs->input_thread_mutex);

	thread_down();
	lprintf("Node %d input thread terminated (received %lu bytes in %lu blocks)"
		,sbbs->cfg.node_num, total_recv, total_pkts);
}

void output_thread(void* arg)
{
	char		node[128];
	char		stats[128];
    BYTE		buf[IO_THREAD_BUF_SIZE];
	int			i;
    ulong		avail;
	ulong		total_sent=0;
	ulong		total_pkts=0;
    ulong		bufbot=0;
    ulong		buftop=0;
	sbbs_t*		sbbs = (sbbs_t*) arg;
	fd_set		socket_set;
	struct timeval tv;

	thread_up(TRUE /* setuid */);

    if(sbbs->cfg.node_num)
    	sprintf(node,"Node %d",sbbs->cfg.node_num);
    else
    	strcpy(node,sbbs->client_name);
#ifdef _DEBUG
	lprintf("%s output thread started",node);
#endif

    sbbs->output_thread_running = true;
	sbbs->console|=CON_R_ECHO;

	while(sbbs->client_socket!=INVALID_SOCKET && telnet_socket!=INVALID_SOCKET) {

    	if(bufbot==buftop)
	    	avail=RingBufFull(&sbbs->outbuf);
        else
        	avail=buftop-bufbot;

		if(!avail) {
			sem_wait(&sbbs->outbuf.sem);
			if(sbbs->outbuf.highwater_mark)
				sem_trywait_block(&sbbs->outbuf.highwater_sem,startup->outbuf_drain_timeout);
			continue; 
		}

		/* Check socket for writability (using select) */
		tv.tv_sec=0;
		tv.tv_usec=1000;

		FD_ZERO(&socket_set);
		FD_SET(sbbs->client_socket,&socket_set);

		i=select(sbbs->client_socket+1,NULL,&socket_set,NULL,&tv);
		if(i==SOCKET_ERROR) {
			lprintf("!%s: ERROR %d selecting socket %u for send"
				,node,ERROR_VALUE,sbbs->client_socket);
			if(sbbs->cfg.node_num)	/* Only break if node output (not server) */
				break;
			RingBufReInit(&sbbs->outbuf);	/* Flush output buffer */
			continue;
		}
		if(i<1) {
			continue;
		}

        if(bufbot==buftop) { // linear buf empty, read from ring buf
            if(avail>sizeof(buf)) {
                lprintf("Reducing output buffer");
                avail=sizeof(buf);
            }
            buftop=RingBufRead(&sbbs->outbuf, buf, avail);
            bufbot=0;
        }
		i=sendsocket(sbbs->client_socket, (char*)buf+bufbot, buftop-bufbot);
		if(i==SOCKET_ERROR) {
        	if(ERROR_VALUE == ENOTSOCK)
                lprintf("%s client socket closed on send", node);
            else if(ERROR_VALUE==ECONNRESET) 
				lprintf("%s connection reset by peer on send", node);
            else if(ERROR_VALUE==ECONNABORTED) 
				lprintf("%s connection aborted by peer on send", node);
			else
				lprintf("!%s: ERROR %d sending on socket %d"
                	,node, ERROR_VALUE, sbbs->client_socket);
			sbbs->online=0;
			/* was break; on 4/7/00 */
			i=buftop-bufbot;	// Pretend we sent it all
		}

		if(sbbs->cfg.node_num>0 && !(sbbs->sys_status&SS_FILEXFER)) {
			/* Spy on the user locally */
			if(startup->node_spybuf!=NULL 
				&& startup->node_spybuf[sbbs->cfg.node_num-1]!=NULL) {
				RingBufWrite(startup->node_spybuf[sbbs->cfg.node_num-1],buf+bufbot,i);
				/* Signal spy output semaphore? */
				if(startup->node_spysem!=NULL 
					&& startup->node_spysem[sbbs->cfg.node_num-1]!=NULL)
					sem_post(startup->node_spysem[sbbs->cfg.node_num-1]);
			}
			/* Spy on the user remotely */
			if(spy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET) 
				sendsocket(spy_socket[sbbs->cfg.node_num-1],(char*)buf+bufbot,i);
#ifdef __unix__
			if(uspy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET)
				sendsocket(uspy_socket[sbbs->cfg.node_num-1],(char*)buf+bufbot,i);
#endif
		}

		bufbot+=i;
		total_sent+=i;
		total_pkts++;
    }

	sbbs->spymsg("Disconnected");

    sbbs->output_thread_running = false;

	if(total_sent)
		sprintf(stats,"(sent %lu bytes in %lu blocks, %lu average)"
			,total_sent, total_pkts, total_sent/total_pkts);
	else
		stats[0]=0;

	thread_down();
	lprintf("%s output thread terminated %s", node, stats);
}

void event_thread(void* arg)
{
	char		str[MAX_PATH+1];
	char		bat_list[MAX_PATH+1];
	char		semfile[MAX_PATH+1];
	int			i,j,k;
	int			file;
	int			offset;
	bool		check_semaphores;
	ulong		l;
	time_t		now;
	time_t		start;
	time_t		lastsemchk=0;
	time_t		lastnodechk=0;
	time_t		lastprepack=0;
	node_t		node;
	glob_t		g;
	sbbs_t*		sbbs = (sbbs_t*) arg;
	struct tm	now_tm;
	struct tm	tm;

	eprintf("BBS Events thread started");

	sbbs->event_thread_running = true;

	srand(time(NULL));	/* Seed random number generator */
	sbbs_random(10);	/* Throw away first number */

	thread_up(TRUE /* setuid */);

#ifdef JAVASCRIPT
	if(!(startup->options&BBS_OPT_NO_JAVASCRIPT)) {
		if(!sbbs->js_init())	/* This must be done in the context of the node thread */
			lprintf("!JavaScript Initialization FAILURE");
	}
#endif

	while(!sbbs->terminated && telnet_socket!=INVALID_SOCKET) {

		now=time(NULL);
		localtime_r(&now,&now_tm);

		if(now-lastsemchk>=sbbs->cfg.node_sem_check) {
			check_semaphores=true;
			lastsemchk=now;
		} else
			check_semaphores=false;

		pthread_mutex_lock(&event_mutex);
		event_mutex_locked=true;

		sbbs->online=0;	/* reset this from ON_LOCAL */

		if(scfg_reloaded==true) {

			for(i=0;i<TOTAL_TEXT;i++)
				sbbs->text[i]=sbbs->text_sav[i]=text[i];

			memcpy(&sbbs->cfg,&scfg,sizeof(scfg_t));

			if(startup->temp_dir[0]) {
				SAFECOPY(sbbs->cfg.temp_dir,startup->temp_dir);
			} else
				prep_dir(sbbs->cfg.data_dir, sbbs->cfg.temp_dir, sizeof(sbbs->cfg.temp_dir));

			// Read TIME.DAB
			sprintf(str,"%stime.dab",sbbs->cfg.ctrl_dir);
			if((file=sbbs->nopen(str,O_RDWR|O_CREAT))==-1) {
				sbbs->errormsg(WHERE,ERR_OPEN,str,0);
				break; 
			}
			for(i=0;i<sbbs->cfg.total_events;i++) {
				sbbs->cfg.event[i]->last=0;
				if(filelength(file)<(long)(sizeof(time_t)*(i+1)))
					write(file,&sbbs->cfg.event[i]->last,sizeof(time_t));
				else
					read(file,&sbbs->cfg.event[i]->last,sizeof(time_t)); 
1528
1529
1530
				/* Event always runs after initialization? */
				if(sbbs->cfg.event[i]->misc&EVENT_INIT)
					sbbs->cfg.event[i]->last=-1;
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
			}
			read(file,&lastprepack,sizeof(time_t));
			close(file);

			// Read QNET.DAB
			sprintf(str,"%sqnet.dab",sbbs->cfg.ctrl_dir);
			if((file=sbbs->nopen(str,O_RDWR|O_CREAT))==-1) {
				sbbs->errormsg(WHERE,ERR_OPEN,str,0);
				return;
			}
			for(i=0;i<sbbs->cfg.total_qhubs;i++) {
				sbbs->cfg.qhub[i]->last=0;
				if(filelength(file)<(long)(sizeof(time_t)*(i+1)))
					write(file,&sbbs->cfg.qhub[i]->last,sizeof(time_t));
				else
					read(file,&sbbs->cfg.qhub[i]->last,sizeof(time_t)); 
			}
			close(file);

			// Read PNET.DAB
			sprintf(str,"%spnet.dab",sbbs->cfg.ctrl_dir);
			if((file=sbbs->nopen(str,O_RDWR|O_CREAT))==-1) {
				sbbs->errormsg(WHERE,ERR_OPEN,str,0);
				break;
			}
			for(i=0;i<sbbs->cfg.total_phubs;i++) {
				sbbs->cfg.phub[i]->last=0;
				if(filelength(file)<(long)(sizeof(time_t)*(i+1)))
					write(file,&sbbs->cfg.phub[i]->last,sizeof(time_t));
				else
					read(file,&sbbs->cfg.phub[i]->last,sizeof(time_t)); 
			}
			close(file);

			scfg_reloaded=false;
		}

		/* QWK events */
		if(check_semaphores && !(startup->options&BBS_OPT_NO_QWK_EVENTS)) {
			/* Import any REP files that have magically appeared (via FTP perhaps) */
			sprintf(str,"%sfile/",sbbs->cfg.data_dir);
			offset=strlen(str);
			strcat(str,"*.rep");
			glob(str,0,NULL,&g);
			for(i=0;i<(int)g.gl_pathc;i++) {
				sbbs->useron.number=atoi(g.gl_pathv[i]+offset);
				getuserdat(&sbbs->cfg,&sbbs->useron);
				if(sbbs->useron.number && flength(g.gl_pathv[i])>0) {
					sbbs->online=ON_LOCAL;
					eprintf("Un-packing QWK Reply packet from %s",sbbs->useron.alias);
					sbbs->getusrsubs();
					sbbs->unpack_rep(g.gl_pathv[i]);
					sbbs->batch_create_list();	/* FREQs? */
					sbbs->batdn_total=0;
					
					/* putuserdat? */
					remove(g.gl_pathv[i]);
				}
			}
			globfree(&g);

			/* Create any QWK files that have magically appeared (via FTP perhaps) */
			sprintf(str,"%spack*.now",sbbs->cfg.data_dir);
			offset=strlen(sbbs->cfg.data_dir)+4;
			glob(str,0,NULL,&g);
			for(i=0;i<(int)g.gl_pathc;i++) {
				sbbs->useron.number=atoi(g.gl_pathv[i]+offset);
				getuserdat(&sbbs->cfg,&sbbs->useron);
				if(sbbs->useron.number && !(sbbs->useron.misc&(DELETED|INACTIVE))) {
					eprintf("Packing QWK Message Packet for %s",sbbs->useron.alias);
					sbbs->online=ON_LOCAL;
					delfiles(sbbs->cfg.temp_dir,ALLFILES);
					sbbs->getmsgptrs();
					sbbs->getusrsubs();
					sbbs->batdn_total=0;

					sbbs->last_ns_time=sbbs->ns_time=sbbs->useron.ns_time;
					sprintf(bat_list,"%sfile/%04u.dwn",sbbs->cfg.data_dir,sbbs->useron.number);
					sbbs->batch_add_list(bat_list);

					sprintf(str,"%sfile%c%04u.qwk"
1612
						,sbbs->cfg.data_dir,PATH_DELIM,sbbs->useron.number);
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
					if(sbbs->pack_qwk(str,&l,true /* pre-pack/off-line */)) {
						eprintf("Packing completed");
						sbbs->qwk_success(l,0,1);
						sbbs->putmsgptrs(); 
						remove(bat_list);
					} else
						eprintf("No packet created (no new messages)");
					delfiles(sbbs->cfg.temp_dir,ALLFILES);
					sbbs->online=0;
				}
				remove(g.gl_pathv[i]);
			}
			globfree(&g);

			/* Create (pre-pack) QWK files for users configured as such */
			sprintf(semfile,"%sprepack.now",sbbs->cfg.data_dir);
			if(sbbs->cfg.preqwk_ar[0] 
				&& (fexistcase(semfile) || (now-lastprepack)/60>(60*24))) {
				j=lastuser(&sbbs->cfg);
				eprintf("Pre-packing QWK Message packets...");
				for(i=1;i<=j;i++) {

					sprintf(str,"%5u of %-5u",i,j);
					//status(str);
					sbbs->useron.number=i;
					getuserdat(&sbbs->cfg,&sbbs->useron);

					if(sbbs->useron.number
						&& !(sbbs->useron.misc&(DELETED|INACTIVE))	 /* Pre-QWK */
						&& sbbs->chk_ar(sbbs->cfg.preqwk_ar,&sbbs->useron)) { 
						for(k=1;k<=sbbs->cfg.sys_nodes;k++) {
							if(sbbs->getnodedat(k,&node,0)!=0)
								continue;
							if((node.status==NODE_INUSE || node.status==NODE_QUIET
								|| node.status==NODE_LOGON) && node.useron==i)
								break; 
						}
						if(k<=sbbs->cfg.sys_nodes)	/* Don't pre-pack with user online */
							continue;
						eprintf("Pre-packing QWK for %s",sbbs->useron.alias);
						sbbs->online=ON_LOCAL;
						delfiles(sbbs->cfg.temp_dir,ALLFILES);
						sbbs->getmsgptrs();
						sbbs->getusrsubs();
						sbbs->batdn_total=0;
						sprintf(str,"%sfile%c%04u.qwk"
1659
							,sbbs->cfg.data_dir,PATH_DELIM,sbbs->useron.number);
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
						if(sbbs->pack_qwk(str,&l,true /* pre-pack */)) {
							sbbs->qwk_success(l,0,1);
							sbbs->putmsgptrs(); 
						}
						delfiles(sbbs->cfg.temp_dir,ALLFILES);
						sbbs->online=0;
					} 
				}
				lastprepack=now;
				sprintf(str,"%stime.dab",sbbs->cfg.ctrl_dir);
				if((file=sbbs->nopen(str,O_WRONLY))==-1) {
					sbbs->errormsg(WHERE,ERR_OPEN,str,O_WRONLY);
					break; 
				}
				lseek(file,(long)sbbs->cfg.total_events*4L,SEEK_SET);
				write(file,&lastprepack,sizeof(time_t));
				close(file);

				remove(semfile);
				//status(STATUS_WFC);
			}
		}

		if(check_semaphores) {
			/* Node Daily Events */
			for(i=first_node;i<=last_node;i++) {
				// Node Daily Event
				node.status=NODE_INVALID_STATUS;
				if(sbbs->getnodedat(i,&node,0)!=0)
					continue;
				if(node.misc&NODE_EVENT && node.status==NODE_WFC) {
					sbbs->getnodedat(i,&node,1);
					node.status=NODE_EVENT_RUNNING;
					sbbs->putnodedat(i,&node);
					if(sbbs->cfg.node_daily[0]) {
						sbbs->cfg.node_num=i;
						strcpy(sbbs->cfg.node_dir, sbbs->cfg.node_path[i-1]);

						eprintf("Running node %d daily event",i);
						sbbs->online=ON_LOCAL;
						sbbs->logentry("!:","Run node daily event");
						sbbs->external(
							 sbbs->cmdstr(sbbs->cfg.node_daily,nulstr,nulstr,NULL)
							,EX_OFFLINE);
					}
					sbbs->getnodedat(i,&node,1);
					node.misc&=~NODE_EVENT;
					node.status=NODE_WFC;
					node.useron=0;
					sbbs->putnodedat(i,&node); 
				}
			}

			/* QWK Networking Call-out sempahores */
			for(i=0;i<sbbs->cfg.total_qhubs;i++) {
				if(sbbs->cfg.qhub[i]->node<first_node 
					|| sbbs->cfg.qhub[i]->node>last_node)
					continue;
				if(sbbs->cfg.qhub[i]->last==-1) // already signaled
					continue;
				sprintf(str,"%sqnet/%s.now",sbbs->cfg.data_dir,sbbs->cfg.qhub[i]->id);
				if(fexistcase(str)) {
					strcpy(str,sbbs->cfg.qhub[i]->id);
					eprintf("Semaphore signaled for QWK Network Hub: %s",strupr(str));
					sbbs->cfg.qhub[i]->last=-1; 
				}
			}

			/* Timed Event sempahores */
			for(i=0;i<sbbs->cfg.total_events;i++) {
				if((sbbs->cfg.event[i]->node<first_node
					|| sbbs->cfg.event[i]->node>last_node)
					&& !(sbbs->cfg.event[i]->misc&EVENT_EXCL))
					continue;	// ignore non-exclusive events for other instances
1734
1735
				if(sbbs->cfg.event[i]->misc&EVENT_DISABLED)
					continue;
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
				if(sbbs->cfg.event[i]->last==-1) // already signaled
					continue;
				sprintf(str,"%s%s.now",sbbs->cfg.data_dir,sbbs->cfg.event[i]->code);
				if(fexistcase(str)) {
					strcpy(str,sbbs->cfg.event[i]->code);
					eprintf("Semaphore signaled for Timed Event: %s",strupr(str));
					sbbs->cfg.event[i]->last=-1; 
				}
			}
		}

		/* QWK Networking Call-out Events */
		for(i=0;i<sbbs->cfg.total_qhubs;i++) {
			if(sbbs->cfg.qhub[i]->node<first_node ||
				sbbs->cfg.qhub[i]->node>last_node)
				continue;

			if(check_semaphores) {
				// See if any packets have come in
				for(j=0;j<101;j++) {
					sprintf(str,"%s%s.q%c%c",sbbs->cfg.data_dir,sbbs->cfg.qhub[i]->id
						,j>10 ? ((j-1)/10)+'0' : 'w'
						,j ? ((j-1)%10)+'0' : 'k');
1759
					if(fexistcase(str) && flength(str)>0) {	/* silently ignore 0-byte QWK packets */
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
						delfiles(sbbs->cfg.temp_dir,ALLFILES);
						sbbs->online=ON_LOCAL;
						if(sbbs->unpack_qwk(str,i)==false) {
							char newname[MAX_PATH+1];
							sprintf(newname,"%s.%lx.bad",str,(long)now);
							remove(newname);
							if(rename(str,newname)==0) {
								char logmsg[MAX_PATH*3];
								sprintf(logmsg,"%s renamed to %s",str,newname);
								sbbs->logline("Q!",logmsg);
							}
						}
						sbbs->online=0;
						remove(str);
					} 
				}
			}

			/* Qnet call out based on time */
			if(localtime_r(&sbbs->cfg.qhub[i]->last,&tm)==NULL)
				memset(&tm,0,sizeof(tm));
			if((sbbs->cfg.qhub[i]->last==-1L					/* or frequency */
				|| ((sbbs->cfg.qhub[i]->freq
					&& (now-sbbs->cfg.qhub[i]->last)/60>sbbs->cfg.qhub[i]->freq)
					|| (sbbs->cfg.qhub[i]->time
						&& (now_tm.tm_hour*60)+now_tm.tm_min>=sbbs->cfg.qhub[i]->time
						&& (now_tm.tm_mday!=tm.tm_mday || now_tm.tm_mon!=tm.tm_mon)))
						&& sbbs->cfg.qhub[i]->days&(1<<now_tm.tm_wday))) {
				sprintf(str,"%sqnet/%s.now"
					,sbbs->cfg.data_dir,sbbs->cfg.qhub[i]->id);
				if(fexistcase(str))
					remove(str);					/* Remove semaphore file */
				sprintf(str,"%sqnet/%s.ptr"
					,sbbs->cfg.data_dir,sbbs->cfg.qhub[i]->id);
				file=sbbs->nopen(str,O_RDONLY);
				for(j=0;j<sbbs->cfg.qhub[i]->subs;j++) {
					sbbs->subscan[sbbs->cfg.qhub[i]->sub[j]].ptr=0;
					if(file!=-1) {
						lseek(file,sbbs->cfg.sub[sbbs->cfg.qhub[i]->sub[j]]->ptridx*sizeof(long),SEEK_SET);
						read(file,&sbbs->subscan[sbbs->cfg.qhub[i]->sub[j]].ptr,sizeof(long)); 
					}
				}
				if(file!=-1)
					close(file);
				if(sbbs->pack_rep(i)) {
					if((file=sbbs->nopen(str,O_WRONLY|O_CREAT))==-1)
						sbbs->errormsg(WHERE,ERR_OPEN,str,O_WRONLY|O_CREAT);
					else {
						for(j=l=0;j<sbbs->cfg.qhub[i]->subs;j++) {
							while(filelength(file)<
								sbbs->cfg.sub[sbbs->cfg.qhub[i]->sub[j]]->ptridx*4L)
								write(file,&l,4);		/* initialize ptrs to null */
							lseek(file
								,sbbs->cfg.sub[sbbs->cfg.qhub[i]->sub[j]]->ptridx*sizeof(long)
								,SEEK_SET);
							write(file,&sbbs->subscan[sbbs->cfg.qhub[i]->sub[j]].ptr,sizeof(long)); 
						}
						close(file); 
					} 
				}
				delfiles(sbbs->cfg.temp_dir,ALLFILES);

				sbbs->cfg.qhub[i]->last=time(NULL);
				sprintf(str,"%sqnet.dab",sbbs->cfg.ctrl_dir);
				if((file=sbbs->nopen(str,O_WRONLY))==-1) {
					sbbs->errormsg(WHERE,ERR_OPEN,str,O_WRONLY);
					break; 
				}
				lseek(file,sizeof(time_t)*i,SEEK_SET);
				write(file,&sbbs->cfg.qhub[i]->last,sizeof(time_t));
				close(file);

				if(sbbs->cfg.qhub[i]->call[0]) {
					sbbs->cfg.node_num=sbbs->cfg.qhub[i]->node;
					if(sbbs->cfg.node_num<1) 
						sbbs->cfg.node_num=1;
					strcpy(sbbs->cfg.node_dir, sbbs->cfg.node_path[sbbs->cfg.node_num-1]);
					eprintf("QWK Network call-out: %s",sbbs->cfg.qhub[i]->id); 
					sbbs->online=ON_LOCAL;
					sbbs->external(
						 sbbs->cmdstr(sbbs->cfg.qhub[i]->call,nulstr,nulstr,NULL)
						,EX_OFFLINE|EX_SH);	/* sh for Unix perl scripts */
				}
			} 
		}

		/* PostLink Networking Call-out Events */
		for(i=0;i<sbbs->cfg.total_phubs;i++) {
			if(sbbs->cfg.phub[i]->node<first_node 
				|| sbbs->cfg.phub[i]->node>last_node)
				continue;
			/* PostLink call out based on time */
			if(localtime_r(&sbbs->cfg.phub[i]->last,&tm)==NULL)
				memset(&tm,0,sizeof(tm));
			if(sbbs->cfg.phub[i]->last==-1
				|| (((sbbs->cfg.phub[i]->freq								/* or frequency */
					&& (now-sbbs->cfg.phub[i]->last)/60>sbbs->cfg.phub[i]->freq)
				|| (sbbs->cfg.phub[i]->time
					&& (now_tm.tm_hour*60)+now_tm.tm_min>=sbbs->cfg.phub[i]->time
				&& (now_tm.tm_mday!=tm.tm_mday || now_tm.tm_mon!=tm.tm_mon)))
				&& sbbs->cfg.phub[i]->days&(1<<now_tm.tm_wday))) {

				sbbs->cfg.phub[i]->last=time(NULL);
				sprintf(str,"%spnet.dab",sbbs->cfg.ctrl_dir);
				if((file=sbbs->nopen(str,O_WRONLY))==-1) {
					sbbs->errormsg(WHERE,ERR_OPEN,str,O_WRONLY);
					break; 
				}
				lseek(file,sizeof(time_t)*i,SEEK_SET);
				write(file,&sbbs->cfg.phub[i]->last,sizeof(time_t));
				close(file);

				if(sbbs->cfg.phub[i]->call[0]) {
					sbbs->cfg.node_num=sbbs->cfg.phub[i]->node;
					if(sbbs->cfg.node_num<1) 
						sbbs->cfg.node_num=1;
					strcpy(sbbs->cfg.node_dir, sbbs->cfg.node_path[sbbs->cfg.node_num-1]);
					eprintf("PostLink Network call-out: %s",sbbs->cfg.phub[i]->name); 
					sbbs->online=ON_LOCAL;
					sbbs->external(
						 sbbs->cmdstr(sbbs->cfg.phub[i]->call,nulstr,nulstr,NULL)
						,EX_OFFLINE|EX_SH);	/* sh for Unix perl scripts */
				} 
			}
		}

		/* Timed Events */
		for(i=0;i<sbbs->cfg.total_events;i++) {
			if(!sbbs->cfg.event[i]->node