main.cpp 127 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
/* 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)		*
 *																			*
11
 * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html		*
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
 *																			*
 * 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>
deuce's avatar
deuce committed
44
45
46
47
	#ifndef SUN_LEN
		#define SUN_LEN(su) \
	        (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
	#endif
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
#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;

77
78
static	ulong node_threads_running=0;
static	ulong thread_count=0;
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
		
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	sbbs_t*	sbbs=NULL;
static	scfg_t	scfg;
static	char *	text[TOTAL_TEXT];
static	WORD	first_node;
static	WORD	last_node;
94
static	bool	terminate_server=false;
95
96
static	link_list_t recycle_semfiles;
static	link_list_t shutdown_semfiles;
97
98
99
100
101
102
103
104

extern "C" {

static bbs_startup_t* startup=NULL;

static void status(char* str)
{
	if(startup!=NULL && startup->status!=NULL)
105
	    startup->status(startup->cbdata,str);
106
107
108
109
110
}

static void update_clients()
{
	if(startup!=NULL && startup->clients!=NULL)
111
		startup->clients(startup->cbdata,node_threads_running);
112
113
114
115
116
}

void client_on(SOCKET sock, client_t* client, BOOL update)
{
	if(startup!=NULL && startup->client_on!=NULL)
117
		startup->client_on(startup->cbdata,TRUE,sock,client,update);
118
119
120
121
122
}

static void client_off(SOCKET sock)
{
	if(startup!=NULL && startup->client_on!=NULL)
123
		startup->client_on(startup->cbdata,FALSE,sock,NULL,FALSE);
124
125
126
127
128
129
}

static void thread_up(BOOL setuid)
{
	thread_count++;
	if(startup!=NULL && startup->thread_up!=NULL)
130
		startup->thread_up(startup->cbdata,TRUE,setuid);
131
132
133
134
135
136
137
}

static void thread_down()
{
	if(thread_count>0)
		thread_count--;
	if(startup!=NULL && startup->thread_up!=NULL)
138
		startup->thread_up(startup->cbdata,FALSE,FALSE);
139
140
}

141
int lputs(int level, char* str)
142
{
rswindell's avatar
rswindell committed
143
	if(startup==NULL || startup->lputs==NULL || str==NULL)
144
145
    	return(0);

146
    return(startup->lputs(startup->cbdata,level,str));
147
148
}

149
int lprintf(int level, char *fmt, ...)
150
151
152
153
154
155
156
157
{
	va_list argptr;
	char sbuf[1024];

    va_start(argptr,fmt);
    vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
	sbuf[sizeof(sbuf)-1]=0;
    va_end(argptr);
158
    return(lputs(level,sbuf));
159
160
}

161
int eprintf(int level, char *fmt, ...)
162
163
164
165
{
	va_list argptr;
	char sbuf[1024];

166
    if(startup==NULL || startup->event_lputs==NULL)
167
168
169
170
171
172
173
        return(0);

    va_start(argptr,fmt);
    vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
	sbuf[sizeof(sbuf)-1]=0;
    va_end(argptr);
	strip_ctrl(sbuf);
174
    return(startup->event_lputs(level,sbuf));
175
176
177
178
179
180
181
182
183
}

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) 
184
		startup->socket_open(startup->cbdata,TRUE);
185
	if(sock!=INVALID_SOCKET && set_socket_options(&scfg, sock, error))
186
		lprintf(LOG_ERR,"%04d !ERROR %s",sock,error);
187
188
189
190
191
192
193
194
195
196

	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) 
197
		startup->socket_open(startup->cbdata,TRUE);
198
199
200
201
202
203
204
205
206
207
208
209
210

	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);
211
	if(startup!=NULL && startup->socket_open!=NULL)
212
		startup->socket_open(startup->cbdata,FALSE);
213
	if(result!=0 && ERROR_VALUE!=ENOTSOCK)
214
		lprintf(LOG_ERR,"!ERROR %d closing socket %d",ERROR_VALUE,sock);
215
216
217
218
219
220
221
222
223
224
	return(result);
}


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

	if(*addr==0)
225
		return((u_long)INADDR_NONE);
226
227
228
229
230
231
232

	for(p=addr;*p;p++)
		if(*p!='.' && !isdigit(*p))
			break;
	if(!(*p))
		return(inet_addr(addr));
	if((host=gethostbyname(addr))==NULL) 
233
		return((u_long)INADDR_NONE);
234
235
236
237
238
	return(*((ulong*)host->h_addr_list[0]));
}

} /* extern "C" */

239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
#ifdef _WINSOCKAPI_

WSADATA WSAData;
#define SOCKLIB_DESC WSAData.szDescription
static BOOL WSAInitialized=FALSE;

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

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

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

#else /* No WINSOCK */

#define winsock_startup()	(TRUE)
#define SOCKLIB_DESC NULL

#endif

266
267
#ifdef JAVASCRIPT

268
269
static js_server_props_t js_server_props;

270
271
272
273
274
275
276
277
278
279
280
281
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
282
283
		if((array=JS_NewArrayObject(cx, 0, NULL))==NULL)	/* Assertion here, in _heap_alloc_dbg, June-21-2004 */
			return(JS_FALSE);								/* Caused by nntpservice.js? */
284

285
286
287
288
	if(!JS_DefineProperty(cx, parent, name, OBJECT_TO_JSVAL(array)
		,NULL,NULL,flags))
		return(JS_FALSE);

289
290
291
292
293
294
295
296
297
298
299
	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;
	}

300
	return(JS_TRUE);
301
302
}

303
/* Convert from Synchronet-specific jsSyncMethodSpec to JSAPI's JSFunctionSpec */
304
305

JSBool
306
DLLCALL js_DescribeSyncObject(JSContext* cx, JSObject* obj, const char* str, int ver)
307
308
309
310
311
312
313
{
	JSString* js_str = JS_NewStringCopyZ(cx, str);

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

	return(JS_DefineProperty(cx,obj,"_description"
314
315
316
			,STRING_TO_JSVAL(js_str),NULL,NULL,JSPROP_READONLY)
		&& JS_DefineProperty(cx,obj,"_ver"
			,INT_TO_JSVAL(ver),NULL,NULL,JSPROP_READONLY));
317
318
319
}

JSBool
320
DLLCALL js_DescribeSyncConstructor(JSContext* cx, JSObject* obj, const char* str)
321
322
323
324
325
326
327
328
329
330
331
332
{
	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

333
#if 0
334
335
336
337
338
339
static char* server_prop_desc[] = {

	 "server name and version number"
	,"detailed version/build information"
	,NULL
};
340
#endif
341
342
343


static const char* method_array_name = "_method_list";
344
static const char* propver_array_name = "_property_ver_list";
345
346
347
348
349
350
351
352
353
354
355
356
357

/*
 * 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",
358
359
360
	"array",
	"alias",
	"undefined"
361
362
};

363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
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++) {
379
380
		if(!JS_DefinePropertyWithTinyId(cx, obj, /* Never reserve any "slots" for properties */
			props[i].name,props[i].tinyid, JSVAL_VOID, NULL, NULL, props[i].flags|JSPROP_SHARED))
381
382
383
384
385
386
387
388
389
390
391
			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);
}

392
JSBool 
393
DLLCALL js_DefineSyncMethods(JSContext* cx, JSObject* obj, jsSyncMethodSpec *funcs, BOOL append)
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
{
	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);

409
410
411
412
	if(!JS_DefineProperty(cx, obj, method_array_name, OBJECT_TO_JSVAL(method_array)
		, NULL, NULL, 0))
		return(JS_FALSE);

413
414
415
416
417
418
	if(append)
		if(!JS_GetArrayLength(cx, method_array, &len))
			return(JS_FALSE);

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

419
420
		if(!JS_DefineFunction(cx, obj, funcs[i].name, funcs[i].call, funcs[i].nargs, 0))
			return(JS_FALSE);
421
422
423
424

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

425
		method = JS_NewObject(cx, NULL, NULL, method_array);	/* exception here June-7-2003 */
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459

		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);
		}

460
461
462
463
464
		if(funcs[i].ver) {
			val = INT_TO_JSVAL(funcs[i].ver);
			JS_SetProperty(cx,method, "ver", &val);
		}

465
466
467
468
469
470
471
472
473
474
		val=OBJECT_TO_JSVAL(method);
		if(!JS_SetElement(cx, method_array, len+i, &val))
			return(JS_FALSE);
	}

	return(JS_TRUE);
}

#else // NON-DEBUG

475
476
477
478
479
480
481
JSBool
DLLCALL js_DefineSyncProperties(JSContext *cx, JSObject *obj, jsSyncPropertySpec* props)
{
	uint i;

	for(i=0;props[i].name;i++) 
		if(!JS_DefinePropertyWithTinyId(cx, obj, 
482
			props[i].name,props[i].tinyid, JSVAL_VOID, NULL, NULL, props[i].flags|JSPROP_SHARED))
483
484
485
486
487
488
			return(JS_FALSE);

	return(JS_TRUE);
}


489
JSBool 
490
DLLCALL js_DefineSyncMethods(JSContext* cx, JSObject* obj, jsSyncMethodSpec *funcs, BOOL append)
491
{
492
	uint i;
493
494

	for(i=0;funcs[i].name;i++)
495
496
		if(!JS_DefineFunction(cx, obj, funcs[i].name, funcs[i].call, funcs[i].nargs, 0))
			return(JS_FALSE);
497
498
499
500
501
	return(JS_TRUE);
}

#endif

502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
/* 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);
}

520
521
522
static JSBool
js_log(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
523
524
    uintN		i=0;
	int32		level=LOG_INFO;
525
    JSString*	str=NULL;
526
527
528
529
530
	sbbs_t*		sbbs;

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

531
532
533
534
	if(JSVAL_IS_NUMBER(argv[i]))
		JS_ValueToInt32(cx,argv[i++],&level);

    for(; i<argc; i++) {
535
536
537
		if((str=JS_ValueToString(cx, argv[i]))==NULL)
		    return(JS_FALSE);
		if(sbbs->online==ON_LOCAL) {
538
			if(startup!=NULL && startup->event_lputs!=NULL)
539
				startup->event_lputs(level,JS_GetStringBytes(str));
540
		} else
541
			lputs(level,JS_GetStringBytes(str));
542
	}
543

544
545
546
547
	if(str==NULL)
		*rval = JSVAL_VOID;
	else
		*rval = STRING_TO_JSVAL(str);
548
549
550
    return(JS_TRUE);
}

551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
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);
}

605
static JSBool
606
js_write(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
607
608
{
    uintN		i;
609
    JSString*	str=NULL;
610
611
612
613
614
615
616
617
618
	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)
619
			eprintf(LOG_INFO,"%s",JS_GetStringBytes(str));
620
621
		else
			sbbs->bputs(JS_GetStringBytes(str));
622
623
624
625
626
627
628
629
630
631
	}

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

static JSBool
632
js_writeln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
633
634
635
636
637
638
639
{
	sbbs_t*		sbbs;

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

	js_write(cx,obj,argc,argv,rval);
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
	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++) {
665
		if(JSVAL_IS_DOUBLE(argv[i]))
666
			arglist[i-1]=(char*)(unsigned long)*JSVAL_TO_DOUBLE(argv[i]);
667
		else if(JSVAL_IS_INT(argv[i]))
668
			arglist[i-1]=(char *)JSVAL_TO_INT(argv[i]);
669
670
671
672
673
674
675
		else {
			if((str=JS_ValueToString(cx, argv[i]))==NULL) {
				JS_ReportError(cx,"JS_ValueToString failed");
			    return(JS_FALSE);
			}
			arglist[i-1]=JS_GetStringBytes(str);
		}
676
677
678
679
680
681
	}
	
	if((p=JS_vsmprintf(JS_GetStringBytes(fmt),(char*)arglist))==NULL)
		return(JS_FALSE);

	if(sbbs->online==ON_LOCAL)
682
		eprintf(LOG_INFO,"%s",p);
683
684
	else
		sbbs->bputs(p);
685
686
687

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

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
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
	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);
}

765
static jsSyncMethodSpec js_global_functions[] = {
766
	{"log",				js_log,				1,	JSTYPE_STRING,	JSDOCSTR("[level,] value [,value]")
767
	,JSDOCSTR("add a line of text to the server and/or system log, "
768
769
		"<i>values</i> are typically string constants or variables, "
		"<i>level</i> is the debug level/priority (default: <tt>LOG_INFO</tt>)")
770
	,311
771
	},
772
773
	{"read",			js_read,			0,	JSTYPE_STRING,	JSDOCSTR("[count]")
	,JSDOCSTR("read up to count characters from input stream")
774
	,311
775
776
777
	},
	{"readln",			js_readln,			0,	JSTYPE_STRING,	JSDOCSTR("[count]")
	,JSDOCSTR("read a single line, up to count characters, from input stream")
778
	,311
779
	},
780
	{"write",			js_write,			0,	JSTYPE_VOID,	JSDOCSTR("value [,value]")
781
	,JSDOCSTR("send one or more values (typically strings) to the server output")
782
	,311
783
	},
784
785
786
787
	{"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)")
788
	,311
789
	},
790
    {"printf",          js_printf,          1,	JSTYPE_STRING,	JSDOCSTR("string format [,value][,value]")
791
	,JSDOCSTR("print a formatted string - <small>CAUTION: for experienced C programmers ONLY</small>")
792
	,310
793
794
795
	},	
	{"alert",			js_alert,			1,	JSTYPE_VOID,	JSDOCSTR("value")
	,JSDOCSTR("print an alert message (ala client-side JS)")
796
	,310
797
798
799
	},
	{"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)")
800
	,310
801
802
803
804
	},
	{"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)")
805
	,310
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
	},
    {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) {
822
		lprintf(LOG_ERR,"!JavaScript: %s", message);
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
		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) 
845
		eprintf(LOG_ERR,"!JavaScript %s%s%s: %s",warning,file,line,message);
846
	else {
847
		lprintf(LOG_ERR,"!JavaScript %s%s%s: %s",warning,file,line,message);
848
849
850
851
852
853
854
855
856
857
858
859
860
		sbbs->bprintf("!JavaScript %s%s%s: %s\r\n",warning,file,line,message);
	}
}

bool sbbs_t::js_init()
{
	char		node[128];

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

861
	lprintf(LOG_DEBUG,"%s JavaScript: Creating runtime: %lu bytes"
862
863
864
865
866
		,node,startup->js_max_bytes);

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

867
	lprintf(LOG_DEBUG,"%s JavaScript: Initializing context (stack: %lu bytes)"
868
		,node,startup->js_cx_stack);
869

870
    if((js_cx = JS_NewContext(js_runtime, startup->js_cx_stack))==NULL)
871
		return(false);
rswindell's avatar
rswindell committed
872
873
	
	memset(&js_branch,0,sizeof(js_branch));
874
875
876
	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
877
	js_branch.terminated = &terminated;
878
	js_branch.auto_terminate = TRUE;
879
880
881
882
883
884
885
886
887

	bool success=false;

	do {

		JS_SetErrorReporter(js_cx, js_ErrorReporter);

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

888
		/* Global Objects (including system, js, client, Socket, MsgBase, File, User, etc. */
889
		if((js_glob=js_CreateCommonObjects(js_cx, &scfg, &cfg, js_global_functions
890
891
892
					,uptime, startup->host_name, SOCKLIB_DESC	/* system */
					,&js_branch									/* js */
					,&client, client_socket						/* client */
893
					,&js_server_props							/* server */
894
			))==NULL)
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
923
924
925
926
927
928
929
			break;

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


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

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

		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)) 
930
		lprintf(LOG_ERR,"!JavaScript ERROR creating user objects");
931
932
933
934
935
936
937
938
939
940
941
}

#endif	/* JAVASCRIPT */

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;

942
943
944
945
946
	if(inlen<1) {
		outlen=0;
		return(inbuf);	// no length? No interpretation
	}

947
948
    first_iac=(BYTE*)memchr(inbuf, TELNET_IAC, inlen);

949
950
	if(!(sbbs->telnet_mode&TELNET_MODE_GATE) 
		&& sbbs->telnet_remote_option[TELNET_BINARY_TX]!=TELNET_WILL
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
		&& !(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++) {
973
974
		if(!(sbbs->telnet_mode&TELNET_MODE_GATE) 
			&& sbbs->telnet_remote_option[TELNET_BINARY_TX]!=TELNET_WILL
975
976
977
978
			&& !(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 */
rswindell's avatar
rswindell committed
979
				lprintf(LOG_INFO,"Node %d CR/%02Xh detected and ignored"
980
981
982
983
984
985
986
987
988
989
990
991
992
993
					,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) {
994

995
996
			if(sbbs->telnet_cmdlen<sizeof(sbbs->telnet_cmd))
				sbbs->telnet_cmd[sbbs->telnet_cmdlen++]=inbuf[i];
997
998
999
1000
1001

			uchar command	= sbbs->telnet_cmd[1];
			uchar option	= sbbs->telnet_cmd[2];

			if(sbbs->telnet_cmdlen>=2 && command==TELNET_SB) {
1002
1003
1004
				if(inbuf[i]==TELNET_SE 
					&& sbbs->telnet_cmd[sbbs->telnet_cmdlen-2]==TELNET_IAC) {
					/* sub-option terminated */
1005
					if(option==TELNET_TERM_TYPE
1006
						&& sbbs->telnet_cmd[3]==TELNET_TERM_IS) {
1007
						sprintf(sbbs->terminal,"%.*s",(int)sbbs->telnet_cmdlen-6,sbbs->telnet_cmd+4);
rswindell's avatar
rswindell committed
1008
						lprintf(LOG_DEBUG,"Node %d %s telnet terminal type: %s"
1009
1010
1011
	                		,sbbs->cfg.node_num
							,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
							,sbbs->terminal);
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027

					} else if(option==TELNET_TERM_SPEED
						&& sbbs->telnet_cmd[3]==TELNET_TERM_IS) {
						char speed[128];
						sprintf(speed,"%.*s",(int)sbbs->telnet_cmdlen-6,sbbs->telnet_cmd+4);
						lprintf(LOG_DEBUG,"Node %d %s telnet terminal speed: %s"
	                		,sbbs->cfg.node_num
							,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
							,speed);

					} else if(option==TELNET_NEGOTIATE_WINDOW_SIZE) {
						long cols = (sbbs->telnet_cmd[3]<<8) | sbbs->telnet_cmd[4];
						long rows = (sbbs->telnet_cmd[5]<<8) | sbbs->telnet_cmd[6];
						lprintf(LOG_DEBUG,"Node %d %s telnet window size: %ux%u"
	                		,sbbs->cfg.node_num
							,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
1028
1029
							,cols
							,rows);
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
						if(rows && !sbbs->useron.rows)	/* auto-detect rows */
							sbbs->rows=rows;
						if(cols)
							sbbs->cols=cols;

					} else if(startup->options&BBS_OPT_DEBUG_TELNET)
            			lprintf(LOG_DEBUG,"Node %d %s unsupported telnet sub-negotiation cmd: %s"
	                		,sbbs->cfg.node_num
							,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
                			,telnet_opt_desc(option));
1040
1041
1042
1043
					sbbs->telnet_cmdlen=0;
				}
			}
            else if(sbbs->telnet_cmdlen==2 && inbuf[i]<TELNET_WILL) {
1044
				if(startup->options&BBS_OPT_DEBUG_TELNET)
rswindell's avatar
rswindell committed
1045
            		lprintf(LOG_DEBUG,"Node %d %s telnet cmd: %s"
1046
1047
	                	,sbbs->cfg.node_num
						,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
1048
                		,telnet_cmd_desc(option));
1049
1050
                sbbs->telnet_cmdlen=0;
            }
1051
1052
            else if(sbbs->telnet_cmdlen>=3) {	/* telnet option negotiation */

1053
1054
1055
1056
1057
1058
				if(startup->options&BBS_OPT_DEBUG_TELNET)
					lprintf(LOG_DEBUG,"Node %d %s telnet cmd: %s %s"
						,sbbs->cfg.node_num
						,sbbs->telnet_mode&TELNET_MODE_GATE ? "passed-through" : "received"
						,telnet_cmd_desc(command)
						,telnet_opt_desc(option));
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
				if(!(sbbs->telnet_mode&TELNET_MODE_GATE)) {
					if(command==TELNET_DO || command==TELNET_DONT) {	/* local options */
						if(sbbs->telnet_local_option[option]!=command) {
							sbbs->telnet_local_option[option]=command;
							sbbs->send_telnet_cmd(telnet_opt_ack(command),option);
						}
					} else { /* WILL/WONT (remote options) */ 
						if(sbbs->telnet_remote_option[option]!=command) {	
						
							switch(option) {
								case TELNET_BINARY_TX:
								case TELNET_ECHO:
								case TELNET_TERM_TYPE:
								case TELNET_TERM_SPEED:
								case TELNET_SUP_GA:
								case TELNET_NEGOTIATE_WINDOW_SIZE:
									sbbs->telnet_remote_option[option]=command;
									sbbs->send_telnet_cmd(telnet_opt_ack(command),option);
									break;
								default: /* unsupported remote options */
									if(command==TELNET_WILL) /* NAK */
										sbbs->send_telnet_cmd(telnet_opt_nak(command),option);
									break;
							}
1084
						}
1085

1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
						if(command==TELNET_WILL && option==TELNET_TERM_TYPE) {
							if(startup->options&BBS_OPT_DEBUG_TELNET)
								lprintf(LOG_DEBUG,"Node %d requesting telnet terminal type"
									,sbbs->cfg.node_num);

							char	buf[64];
							sprintf(buf,"%c%c%c%c%c%c"
								,TELNET_IAC,TELNET_SB
								,TELNET_TERM_TYPE,TELNET_TERM_SEND
								,TELNET_IAC,TELNET_SE);
							sbbs->putcom(buf,6);
						}
						else if(command==TELNET_WILL && option==TELNET_TERM_SPEED) {
							if(startup->options&BBS_OPT_DEBUG_TELNET)
								lprintf(LOG_DEBUG,"Node %d requesting telnet terminal speed"
									,sbbs->cfg.node_num);

							char	buf[64];
							sprintf(buf,"%c%c%c%c%c%c"
								,TELNET_IAC,TELNET_SB
								,TELNET_TERM_SPEED,TELNET_TERM_SEND
								,TELNET_IAC,TELNET_SE);
							sbbs->putcom(buf,6);
						}
1110
					}
1111
				}
1112

1113
                sbbs->telnet_cmdlen=0;
1114

1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
            }
			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];
1127
	
1128
1129
	if(telnet_mode&TELNET_MODE_OFF)	
		return;
1130
1131
1132

	if(cmd<TELNET_WILL) {
		if(startup->options&BBS_OPT_DEBUG_TELNET)
rswindell's avatar
rswindell committed
1133
            lprintf(LOG_DEBUG,"Node %d sending telnet cmd: %s"
1134
1135
1136
1137
1138
1139
	            ,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)
rswindell's avatar
rswindell committed
1140
			lprintf(LOG_DEBUG,"Node %d sending telnet cmd: %s %s"
1141
1142
1143
1144
1145
1146
1147
1148
				,cfg.node_num
				,telnet_cmd_desc(cmd)
				,telnet_opt_desc(opt));
		sprintf(buf,"%c%c%c",TELNET_IAC,cmd,opt);
		putcom(buf,3);
	}
}

1149
1150
void sbbs_t::request_telnet_opt(uchar cmd, uchar opt)
{
1151
1152
1153
1154
1155
1156
1157
1158
1159
	if(cmd==TELNET_DO || cmd==TELNET_DONT) {	/* remote option */
		if(telnet_remote_option[opt]==telnet_opt_ack(cmd))
			return;	/* already set in this mode, do nothing */
		telnet_remote_option[opt]=telnet_opt_ack(cmd);
	} else {	/* local option */
		if(telnet_local_option[opt]==telnet_opt_ack(cmd))
			return;	/* already set in this mode, do nothing */
		telnet_local_option[opt]=telnet_opt_ack(cmd);
	}
1160
1161
1162
	send_telnet_cmd(cmd,opt);
}

1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
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;
1174
1175
	SOCKET		high_socket;
	SOCKET		sock;
1176
1177
1178
1179

	thread_up(TRUE /* setuid */);

#ifdef _DEBUG
rswindell's avatar
rswindell committed
1180
	lprintf(LOG_DEBUG,"Node %d input thread started",sbbs->cfg.node_num);
1181
1182
1183
1184
1185
1186
1187
1188
1189
#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) {

rswindell's avatar
rswindell committed
1190
1191
		if(pthread_mutex_lock(&sbbs->input_thread_mutex)!=0)
			sbbs->errormsg(WHERE,ERR_LOCK,"input_thread_mutex",0);
1192

1193
1194
1195
		FD_ZERO(&socket_set);
		FD_SET(sbbs->client_socket,&socket_set);
		high_socket=sbbs->client_socket;
1196
1197
#ifdef __unix__
		if(uspy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET)  {
1198
1199
1200
			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];
1201
1202
1203
		}
#endif

1204
1205
		tv.tv_sec=1;
		tv.tv_usec=0;
1206

1207
		if((i=select(high_socket+1,&socket_set,NULL,NULL,&tv))<1) {
rswindell's avatar
rswindell committed
1208
1209
			if(pthread_mutex_unlock(&sbbs->input_thread_mutex)!=0)
				sbbs->errormsg(WHERE,ERR_UNLOCK,"input_thread_mutex",0);
1210
1211
1212
1213
			if(i==0) {
				YIELD();	/* This kludge is necessary on some Linux distros */
				continue;	/* to allow other threads to lock the input_thread_mutex */
			}
1214
1215
1216
1217

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

1218
			if(FD_ISSET(sbbs->client_socket,&socket_set))  {
1219
	        	if(ERROR_VALUE == ENOTSOCK)
rswindell's avatar
rswindell committed
1220
    	            lprintf(LOG_NOTICE,"Node %d socket closed by peer on input->select", sbbs->cfg.node_num);
1221
				else if(ERROR_VALUE==ESHUTDOWN)
rswindell's avatar
rswindell committed
1222
					lprintf(LOG_NOTICE,"Node %d socket shutdown on input->select", sbbs->cfg.node_num);
1223
				else if(ERROR_VALUE==EINTR)
rswindell's avatar
rswindell committed
1224
					lprintf(LOG_NOTICE,"Node %d input thread interrupted",sbbs->cfg.node_num);
1225
        	    else if(ERROR_VALUE==ECONNRESET) 
rswindell's avatar
rswindell committed
1226
					lprintf(LOG_NOTICE,"Node %d connection reset by peer on input->select", sbbs->cfg.node_num);
1227
	            else if(ERROR_VALUE==ECONNABORTED) 
rswindell's avatar
rswindell committed
1228
					lprintf(LOG_NOTICE,"Node %d connection aborted by peer on input->select", sbbs->cfg.node_num);
1229
				else
rswindell's avatar
rswindell committed
1230
					lprintf(LOG_WARNING,"Node %d !ERROR %d input->select socket %d"
1231
                		,sbbs->cfg.node_num, ERROR_VALUE, sbbs->client_socket);
1232
1233
1234
				break;
			}
#ifdef __unix__
deuce's avatar
deuce committed
1235
1236
			else if(uspy_socket[sbbs->cfg.node_num-1]!=INVALID_SOCKET && 
					FD_ISSET(uspy_socket[sbbs->cfg.node_num-1],&socket_set))  {
1237
				if(ERROR_VALUE != EAGAIN)  {
rswindell's avatar
rswindell committed
1238
					lprintf(LOG_ERR,"Node %d !ERROR %d on local spy socket %d input->select"
1239
						, sbbs->cfg.node_num, errno, uspy_socket[sbbs->cfg.node_num-1]);
1240
1241
1242
1243
1244
1245
1246
1247
					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
1248
1249
1250
		if(sbbs->client_socket==INVALID_SOCKET)
			break;

1251
1252
1253
		if(FD_ISSET(sbbs->client_socket,&socket_set))
			sock=sbbs->client_socket;
#ifdef __unix__
1254
1255
		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
1256
1257
			if(!socket_check(uspy_socket[sbbs->cfg.node_num-1],NULL,NULL,0)) {
				close_socket(uspy_socket[sbbs->cfg.node_num-1]);
deuce's avatar
deuce committed
1258
				lprintf(LOG_NOTICE,"Closing local spy socket: %d",uspy_socket[sbbs->cfg.node_num-1]);
deuce's avatar
deuce committed
1259
1260
1261
				uspy_socket[sbbs->cfg.node_num-1]=INVALID_SOCKET;
				continue;
			}
1262
			sock=uspy_socket[sbbs->cfg.node_num-1];
1263
		}
1264
1265
1266
1267
#endif
		else
			continue;

1268
		if(sbbs->client_socket==INVALID_SOCKET) {
rswindell's avatar
rswindell committed
1269
1270
			if(pthread_mutex_unlock(&sbbs->input_thread_mutex)!=0)
				sbbs->errormsg(WHERE,ERR_UNLOCK,"input_thread_mutex",0);
1271
1272
1273
1274
1275
1276
			break;
		}

    	rd=RingBufFree(&sbbs->inbuf);

		if(!rd) { // input buffer full
1277
			lprintf(LOG_WARNING,"Node %d !WARNING input buffer full", sbbs->cfg.node_num);
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
        	// 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);

rswindell's avatar
rswindell committed
1294
1295
		if(pthread_mutex_unlock(&sbbs->input_thread_mutex)!=0)
			sbbs->errormsg(WHERE,ERR_UNLOCK,"input_thread_mutex",0);
1296
1297
1298

		if(rd == SOCKET_ERROR)
		{
1299
#ifdef __unix__
1300
			if(sock==sbbs->client_socket)  {
1301
#endif
1302
	        	if(ERROR_VALUE == ENOTSOCK)
rswindell's avatar
rswindell committed
1303
    	            lprintf(LOG_NOTICE,"Node %d socket closed by peer on receive", sbbs->cfg.node_num);
1304
        	    else if(ERROR_VALUE==ECONNRESET) 
rswindell's avatar
rswindell committed
1305
					lprintf(LOG_NOTICE,"Node %d connection reset by peer on receive", sbbs->cfg.node_num);
1306
				else if(ERROR_VALUE==ESHUTDOWN)
rswindell's avatar
rswindell committed
1307
					lprintf(LOG_NOTICE,"Node %d socket shutdown on receive", sbbs->cfg.node_num);
1308
        	    else if(ERROR_VALUE==ECONNABORTED) 
rswindell's avatar
rswindell committed
1309
					lprintf(LOG_NOTICE,"Node %d connection aborted by peer on receive", sbbs->cfg.node_num);
1310
				else
rswindell's avatar
rswindell committed
1311
					lprintf(LOG_WARNING,"Node %d !ERROR %d receiving from socket %d"
1312
1313
1314
        	        	,sbbs->cfg.node_num, ERROR_VALUE, sock);
				break;
#ifdef __unix__
1315
			} else  {
1316
				if(ERROR_VALUE != EAGAIN)  {
rswindell's avatar
rswindell committed
1317
					lprintf(LOG_ERR,"Node %d !ERROR %d on local spy socket %d receive"
1318
						, sbbs->cfg.node_num, errno, sock);
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
					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)
		{
rswindell's avatar
rswindell committed
1329
			lprintf(LOG_NOTICE,"Node %d disconnected", sbbs->cfg.node_num);
1330
1331
1332
1333
1334
1335
1336
			break;
		}

		total_recv+=rd;
		total_pkts++;

        // telbuf and wr are modified to reflect telnet escaped data
1337
		wr=rd;
1338
#ifdef __unix__
1339
		if(sock!=sbbs->client_socket)
1340
1341
1342
			wrbuf=inbuf;
		else
#endif
1343
1344
1345
		if(sbbs->telnet_mode&TELNET_MODE_OFF)
			wrbuf=inbuf;
		else
1346
1347
			wrbuf=telnet_interpret(sbbs, inbuf, rd, telbuf, wr);
		if(wr > (int)sizeof(telbuf)) 
1348
			lprintf(LOG_ERR,"!TELBUF OVERFLOW (%d>%d)",wr,sizeof(telbuf));
1349
1350
1351
1352

		/* First level Ctrl-C checking */
		if(!(sbbs->cfg.ctrlkey_passthru&(1<<CTRL_C))
			&& sbbs->rio_abortable 
1353
1354
			&& !(sbbs->telnet_mode&TELNET_MODE_GATE)
			&& sbbs->telnet_remote_option[TELNET_BINARY_TX]!=TELNET_WILL
1355
1356
			&& memchr(wrbuf, CTRL_C, wr)) {	
			if(RingBufFull(&sbbs->inbuf))
rswindell's avatar
rswindell committed
1357
    			lprintf(LOG_DEBUG,"Node %d Ctrl-C hit with %lu bytes in input buffer"
1358
1359
					,sbbs->cfg.node_num,RingBufFull(&sbbs->inbuf));
			if(RingBufFull(&sbbs->outbuf))
rswindell's avatar
rswindell committed
1360
    			lprintf(LOG_DEBUG,"Node %d Ctrl-C hit with %lu bytes in output buffer"
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
					,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)
1372
			lprintf(LOG_ERR,"!INPUT BUFFER FULL (%d free)", avail);
1373
1374
1375
1376
1377
1378
        else
			RingBufWrite(&sbbs->inbuf, wrbuf, wr);
//		if(wr>100)
//			mswait(500);	// Throttle sender