filedat.c 19.9 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
/* filedat.c */

/* Synchronet file database-related exported 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 2003 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
44
 *																			*
 * 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"

/****************************************************************************/
/* Gets filedata from dircode.DAT file										*/
/* Need fields .name ,.dir and .offset to get other info    				*/
/* Does not fill .dateuled or .datedled fields.                             */
/****************************************************************************/
45
BOOL DLLCALL getfiledat(scfg_t* cfg, file_t* f)
46
{
47
	char buf[F_LEN+1],str[256];
48
49
50
	int file;
	long length;

51
	sprintf(str,"%s%s.dat",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
	if((file=sopen(str,O_RDONLY|O_BINARY,SH_DENYWR))==-1) {
		return(FALSE); 
	}
	length=filelength(file);
	if(f->datoffset>length) {
		close(file);
		return(FALSE); 
	}
	if(length%F_LEN) {
		close(file);
		return(FALSE); 
	}
	lseek(file,f->datoffset,SEEK_SET);
	if(read(file,buf,F_LEN)!=F_LEN) {
		close(file);
		return(FALSE); 
	}
	close(file);
	getrec(buf,F_ALTPATH,2,str);
	f->altpath=hptoi(str);
	getrec(buf,F_CDT,LEN_FCDT,str);
	f->cdt=atol(str);

	if(!f->size) {					/* only read disk if this is null */
76
			getfilepath(cfg,f,str);
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
102
103
104
105
106
107
108
109
			f->size=flength(str);
			f->date=fdate(str);
	/*
			}
		else {
			f->size=f->cdt;
			f->date=0; }
	*/
			}
#if 0
	if((f->size>0L) && cur_cps)
		f->timetodl=(ushort)(f->size/(ulong)cur_cps);
	else
#endif
		f->timetodl=0;

	getrec(buf,F_DESC,LEN_FDESC,f->desc);
	getrec(buf,F_ULER,LEN_ALIAS,f->uler);
	getrec(buf,F_TIMESDLED,5,str);
	f->timesdled=atoi(str);
	getrec(buf,F_OPENCOUNT,3,str);
	f->opencount=atoi(str);
	if(buf[F_MISC]!=ETX)
		f->misc=buf[F_MISC]-SP;
	else
		f->misc=0;
	return(TRUE);
}

/****************************************************************************/
/* Puts filedata into DIR_code.DAT file                                     */
/* Called from removefiles                                                  */
/****************************************************************************/
110
BOOL DLLCALL putfiledat(scfg_t* cfg, file_t* f)
111
112
113
114
115
116
117
118
119
120
{
    char buf[F_LEN+1],str[256],tmp[128];
    int file;
    long length;

	putrec(buf,F_CDT,LEN_FCDT,ultoa(f->cdt,tmp,10));
	putrec(buf,F_DESC,LEN_FDESC,f->desc);
	putrec(buf,F_DESC+LEN_FDESC,2,crlf);
	putrec(buf,F_ULER,LEN_ALIAS+5,f->uler);
	putrec(buf,F_ULER+LEN_ALIAS+5,2,crlf);
121
	putrec(buf,F_TIMESDLED,5,ultoa(f->timesdled,tmp,10));
122
	putrec(buf,F_TIMESDLED+5,2,crlf);
123
	putrec(buf,F_OPENCOUNT,3,ultoa(f->opencount,tmp,10));
124
125
126
127
	putrec(buf,F_OPENCOUNT+3,2,crlf);
	buf[F_MISC]=f->misc+SP;
	putrec(buf,F_ALTPATH,2,hexplus(f->altpath,tmp));
	putrec(buf,F_ALTPATH+2,2,crlf);
128
	sprintf(str,"%s%s.dat",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
	if((file=sopen(str,O_WRONLY|O_BINARY,SH_DENYRW))==-1) {
		return(FALSE); 
	}
	length=filelength(file);
	if(length%F_LEN) {
		close(file);
		return(FALSE); 
	}
	if(f->datoffset>length) {
		close(file);
		return(FALSE); 
	}
	lseek(file,f->datoffset,SEEK_SET);
	if(write(file,buf,F_LEN)!=F_LEN) {
		close(file);
		return(FALSE); 
	}
	length=filelength(file);
	close(file);
	if(length%F_LEN) {
		return(FALSE);
	}
	return(TRUE);
}

/****************************************************************************/
/* Adds the data for struct filedat to the directory's data base.           */
/* changes the .datoffset field only                                        */
/* returns 1 if added successfully, 0 if not.								*/
/****************************************************************************/
159
BOOL DLLCALL addfiledat(scfg_t* cfg, file_t* f)
160
161
162
163
164
165
166
167
168
169
170
171
{
	char	str[256],fname[13],c,fdat[F_LEN+1];
	char	tmp[128];
	uchar	HUGE16 *ixbbuf,idx[3];
    int		i,file;
	long	l,length;
	time_t	now;
	time_t	uldate;

	/************************/
	/* Add data to DAT File */
	/************************/
172
	sprintf(str,"%s%s.dat",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
173
	if((file=sopen(str,O_RDWR|O_BINARY|O_CREAT,SH_DENYRW,S_IREAD|S_IWRITE))==-1) {
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
		return(FALSE); 
	}
	length=filelength(file);
	if(length==0L)
		l=0L;
	else {
		if(length%F_LEN) {
			close(file);
			return(FALSE); 
		}
		for(l=0;l<length;l+=F_LEN) {    /* Find empty slot */
			lseek(file,l,SEEK_SET);
			read(file,&c,1);
			if(c==ETX) break; 
		}
		if(l/F_LEN>=MAX_FILES || l/F_LEN>=cfg->dir[f->dir]->maxfiles) {
			close(file);
			return(FALSE); 
		} 
	}
	putrec(fdat,F_CDT,LEN_FCDT,ultoa(f->cdt,tmp,10));
	putrec(fdat,F_DESC,LEN_FDESC,f->desc);
	putrec(fdat,F_DESC+LEN_FDESC,2,crlf);
	putrec(fdat,F_ULER,LEN_ALIAS+5,f->uler);
	putrec(fdat,F_ULER+LEN_ALIAS+5,2,crlf);
	putrec(fdat,F_TIMESDLED,5,ultoa(f->timesdled,tmp,10));
	putrec(fdat,F_TIMESDLED+5,2,crlf);
201
	putrec(fdat,F_OPENCOUNT,3,ultoa(f->opencount,tmp,10));
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
	putrec(fdat,F_OPENCOUNT+3,2,crlf);
	fdat[F_MISC]=f->misc+SP;
	putrec(fdat,F_ALTPATH,2,hexplus(f->altpath,tmp));
	putrec(fdat,F_ALTPATH+2,2,crlf);
	f->datoffset=l;
	idx[0]=(uchar)(l&0xff);          /* Get offset within DAT file for IXB file */
	idx[1]=(uchar)((l>>8)&0xff);
	idx[2]=(uchar)((l>>16)&0xff);
	lseek(file,l,SEEK_SET);
	if(write(file,fdat,F_LEN)!=F_LEN) {
		close(file);
		return(FALSE); 
	}
	length=filelength(file);
	close(file);
	if(length%F_LEN) {
		return(FALSE);
	}

	/*******************************************/
	/* Update last upload date/time stamp file */
	/*******************************************/
224
	sprintf(str,"%s%s.dab",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
225
	if((file=sopen(str,O_WRONLY|O_CREAT|O_BINARY,SH_DENYRW,S_IREAD|S_IWRITE))!=-1) {
226
227
228
229
230
231
232
233
234
235
236
		now=time(NULL);
		write(file,&now,4);
		close(file); 
	}

	/************************/
	/* Add data to IXB File */
	/************************/
	strcpy(fname,f->name);
	for(i=8;i<12;i++)   /* Turn FILENAME.EXT into FILENAMEEXT */
		fname[i]=fname[i+1];
237
	sprintf(str,"%s%s.ixb",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
238
	if((file=sopen(str,O_RDWR|O_CREAT|O_BINARY,SH_DENYRW,S_IREAD|S_IWRITE))==-1) {
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
		return(FALSE); 
	}
	length=filelength(file);
	if(length) {    /* IXB file isn't empty */
		if(length%F_IXBSIZE) {
			close(file);
			return(FALSE); 
		}
		if((ixbbuf=(uchar *)MALLOC(length))==NULL) {
			close(file);
			return(FALSE); 
		}
		if(lread(file,ixbbuf,length)!=length) {
			close(file);
			FREE((char *)ixbbuf);
			return(FALSE); 
		}
	/************************************************/
	/* Sort by Name or Date, Assending or Decending */
	/************************************************/
		if(cfg->dir[f->dir]->sort==SORT_NAME_A || cfg->dir[f->dir]->sort==SORT_NAME_D) {
			for(l=0;l<length;l+=F_IXBSIZE) {
261
				for(i=0;i<12 && toupper(fname[i])==toupper(ixbbuf[l+i]);i++);
262
263
264
265
266
				if(i==12) {     /* file already in directory index */
					close(file);
					FREE((char *)ixbbuf);
					return(FALSE); 
				}
267
268
				if(cfg->dir[f->dir]->sort==SORT_NAME_A 
					&& toupper(fname[i])<toupper(ixbbuf[l+i]))
269
					break;
270
271
				if(cfg->dir[f->dir]->sort==SORT_NAME_D 
					&& toupper(fname[i])>toupper(ixbbuf[l+i]))
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
					break; 
			} 
		}
		else {  /* sort by date */
			for(l=0;l<length;l+=F_IXBSIZE) {
				uldate=(ixbbuf[l+14]|((long)ixbbuf[l+15]<<8)
					|((long)ixbbuf[l+16]<<16)|((long)ixbbuf[l+17]<<24));
				if(cfg->dir[f->dir]->sort==SORT_DATE_A && f->dateuled<uldate)
					break;
				if(cfg->dir[f->dir]->sort==SORT_DATE_D && f->dateuled>uldate)
					break; 
			} 
		}
		lseek(file,l,SEEK_SET);
		if(write(file,fname,11)!=11) {  /* Write filename to IXB file */
			close(file);
			FREE((char *)ixbbuf);
			return(FALSE); 
		}
		if(write(file,idx,3)!=3) {  /* Write DAT offset into IXB file */
			close(file);
			FREE((char *)ixbbuf);
			return(FALSE); 
		}
		write(file,&f->dateuled,sizeof(time_t));
		write(file,&f->datedled,4);              /* Write 0 for datedled */
		if(lwrite(file,&ixbbuf[l],length-l)!=length-l) { /* Write rest of IXB */
			close(file);
			FREE((char *)ixbbuf);
			return(FALSE); 
		}
		FREE((char *)ixbbuf); }
	else {              /* IXB file is empty... No files */
		if(write(file,fname,11)!=11) {  /* Write filename it IXB file */
			close(file);
			return(FALSE); 
		}
		if(write(file,idx,3)!=3) {  /* Write DAT offset into IXB file */
			close(file);
			return(FALSE); 
		}
		write(file,&f->dateuled,sizeof(time_t));
		write(file,&f->datedled,4); 
	}
	length=filelength(file);
	close(file);
	return(TRUE);
}

/****************************************************************************/
322
/* Gets file data from dircode.ixb file										*/
323
324
325
/* Need fields .name and .dir filled.                                       */
/* only fills .offset, .dateuled, and .datedled                             */
/****************************************************************************/
326
BOOL DLLCALL getfileixb(scfg_t* cfg, file_t* f)
327
328
329
330
331
332
{
	char			str[256],fname[13];
	uchar HUGE16 *	ixbbuf;
	int				file;
	long			l,length;

333
	sprintf(str,"%s%s.ixb",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
	if((file=sopen(str,O_RDONLY|O_BINARY,SH_DENYWR))==-1) {
		return(FALSE); 
	}
	length=filelength(file);
	if(length%F_IXBSIZE) {
		close(file);
		return(FALSE); 
	}
	if((ixbbuf=(uchar *)MALLOC(length))==NULL) {
		close(file);
		return(FALSE); 
	}
	if(lread(file,ixbbuf,length)!=length) {
		close(file);
		FREE((char *)ixbbuf);
		return(FALSE); 
	}
	close(file);
	strcpy(fname,f->name);
	for(l=8;l<12;l++)	/* Turn FILENAME.EXT into FILENAMEEXT */
		fname[l]=fname[l+1];
	for(l=0;l<length;l+=F_IXBSIZE) {
		sprintf(str,"%11.11s",ixbbuf+l);
357
		if(!stricmp(str,fname))
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
			break; 
	}
	if(l>=length) {
		FREE((char *)ixbbuf);
		return(FALSE); 
	}
	l+=11;
	f->datoffset=ixbbuf[l]|((long)ixbbuf[l+1]<<8)|((long)ixbbuf[l+2]<<16);
	f->dateuled=ixbbuf[l+3]|((long)ixbbuf[l+4]<<8)
		|((long)ixbbuf[l+5]<<16)|((long)ixbbuf[l+6]<<24);
	f->datedled=ixbbuf[l+7]|((long)ixbbuf[l+8]<<8)
		|((long)ixbbuf[l+9]<<16)|((long)ixbbuf[l+10]<<24);
	FREE((char *)ixbbuf);
	return(TRUE);
}

/****************************************************************************/
/* Removes DAT and IXB entries for the file in the struct 'f'               */
/****************************************************************************/
377
BOOL DLLCALL removefiledat(scfg_t* cfg, file_t* f)
378
379
{
	char	c,str[256],ixbname[12],HUGE16 *ixbbuf,fname[13];
380
    int		i,file;
381
382
383
	long	l,length;

	strcpy(fname,f->name);
384
385
	for(i=8;i<12;i++)   /* Turn FILENAME.EXT into FILENAMEEXT */
		fname[i]=fname[i+1];
386
	sprintf(str,"%s%s.ixb",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
	if((file=sopen(str,O_RDONLY|O_BINARY,SH_DENYWR))==-1) {
		return(FALSE); 
	}
	length=filelength(file);
	if(!length) {
		close(file);
		return(FALSE); 
	}
	if((ixbbuf=(char *)MALLOC(length))==0) {
		close(file);
		return(FALSE); 
	}
	if(lread(file,ixbbuf,length)!=length) {
		close(file);
		FREE((char *)ixbbuf);
		return(FALSE); 
	}
	close(file);
	if((file=sopen(str,O_WRONLY|O_TRUNC|O_BINARY,SH_DENYRW))==-1) {
		return(FALSE); 
	}
	for(l=0;l<length;l+=F_IXBSIZE) {
409
410
411
		for(i=0;i<11;i++)
			ixbname[i]=ixbbuf[l+i];
		ixbname[i]=0;
412
		if(stricmp(ixbname,fname))
413
414
415
416
417
418
419
420
			if(lwrite(file,&ixbbuf[l],F_IXBSIZE)!=F_IXBSIZE) {
				close(file);
				FREE((char *)ixbbuf);
				return(FALSE); 
		} 
	}
	FREE((char *)ixbbuf);
	close(file);
421
	sprintf(str,"%s%s.dat",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
	if((file=sopen(str,O_WRONLY|O_BINARY,SH_DENYRW))==-1) {
		return(FALSE); 
	}
	lseek(file,f->datoffset,SEEK_SET);
	c=ETX;          /* If first char of record is ETX, record is unused */
	if(write(file,&c,1)!=1) { /* So write a D_T on the first byte of the record */
		close(file);
		return(FALSE); 
	}
	close(file);
	if(f->dir==cfg->user_dir)  /* remove file from index */
		rmuserxfers(cfg,0,0,f->name);
	return(TRUE);
}

/****************************************************************************/
/* Checks  directory data file for 'filename' (must be padded). If found,   */
/* it returns the 1, else returns 0.                                        */
/* Called from upload and bulkupload                                        */
/****************************************************************************/
442
BOOL DLLCALL findfile(scfg_t* cfg, uint dirnum, char *filename)
443
{
444
	char str[256],fname[13],HUGE16 *ixbbuf;
445
    int i,file;
446
447
448
449
    long length,l;

	sprintf(fname,"%.12s",filename);
	strupr(fname);
450
451
	for(i=8;i<12;i++)   /* Turn FILENAME.EXT into FILENAMEEXT */
		fname[i]=fname[i+1];
452
	sprintf(str,"%s%s.ixb",cfg->dir[dirnum]->data_dir,cfg->dir[dirnum]->code);
453
454
455
456
457
458
459
460
461
462
463
464
465
466
	if((file=sopen(str,O_RDONLY|O_BINARY,SH_DENYWR))==-1) return(FALSE);
	length=filelength(file);
	if(!length) {
		close(file);
		return(FALSE); }
	if((ixbbuf=(char *)MALLOC(length))==NULL) {
		close(file);
		return(FALSE); }
	if(lread(file,ixbbuf,length)!=length) {
		close(file);
		FREE((char *)ixbbuf);
		return(FALSE); }
	close(file);
	for(l=0;l<length;l+=F_IXBSIZE) {
467
		for(i=0;i<11;i++)
468
			if(toupper(fname[i])!=toupper(ixbbuf[l+i])) break;
469
		if(i==11) break; }
470
471
472
473
474
475
476
477
478
	FREE((char *)ixbbuf);
	if(l!=length)
		return(TRUE);
	return(FALSE);
}

/****************************************************************************/
/* Turns FILE.EXT into FILE    .EXT                                         */
/****************************************************************************/
479
char* DLLCALL padfname(char *filename, char *str)
480
{
481
    int c,d;
482
483
484
485
486
487
488

	for(c=0;c<8;c++)
		if(filename[c]=='.' || !filename[c]) break;
		else str[c]=filename[c];
	d=c;
	if(filename[c]=='.') c++;
	while(d<8)
489
490
491
492
493
		str[d++]=' ';
	if(filename[c]>' ')	/* Change "FILE" to "FILE        " */
		str[d++]='.';	/* (don't add a dot if there's no extension) */
	else
		str[d++]=' ';
494
495
496
497
	while(d<12)
		if(!filename[c]) break;
		else str[d++]=filename[c++];
	while(d<12)
498
		str[d++]=' ';
499
500
501
502
503
504
505
	str[d]=0;
	return(str);
}

/****************************************************************************/
/* Turns FILE    .EXT into FILE.EXT                                         */
/****************************************************************************/
506
char* DLLCALL unpadfname(char *filename, char *str)
507
{
508
    int c,d;
509
510
511
512
513
514
515
516
517
518
519

	for(c=0,d=0;filename[c];c++)
		if(filename[c]!=SP) str[d++]=filename[c];
	str[d]=0;
	return(str);
}

/****************************************************************************/
/* Removes any files in the user transfer index (XFER.IXT) that match the   */
/* specifications of dest, or source user, or filename or any combination.  */
/****************************************************************************/
520
BOOL DLLCALL rmuserxfers(scfg_t* cfg, int fromuser, int destuser, char *fname)
521
522
523
524
525
{
    char str[256],*ixtbuf;
    int file;
    long l,length;

526
	sprintf(str,"%sxfer.ixt", cfg->data_dir);
527
528
529
530
531
532
	if(!fexist(str))
		return(FALSE);
	if(!flength(str)) {
		remove(str);
		return(FALSE); 
	}
533
	if((file=sopen(str,O_RDONLY|O_BINARY,SH_DENYWR))==-1) {
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
569
570
571
572
573
574
575
576
577
		return(FALSE); 
	}
	length=filelength(file);
	if((ixtbuf=(char *)MALLOC(length))==NULL) {
		close(file);
		return(FALSE); 
	}
	if(read(file,ixtbuf,length)!=length) {
		close(file);
		FREE(ixtbuf);
		return(FALSE); 
	}
	close(file);
	if((file=sopen(str,O_WRONLY|O_TRUNC|O_BINARY,SH_DENYRW))==-1) {
		FREE(ixtbuf);
		return(FALSE); 
	}
	for(l=0;l<length;l+=24) {
		if(fname!=NULL && fname[0]) {               /* fname specified */
			if(!strncmp(ixtbuf+l+5,fname,12)) {     /* this is the file */
				if(destuser && fromuser) {          /* both dest and from user */
					if(atoi(ixtbuf+l)==destuser && atoi(ixtbuf+l+18)==fromuser)
						continue; }                 /* both match */
				else if(fromuser) {                 /* from user */
					if(atoi(ixtbuf+l+18)==fromuser) /* matches */
						continue; }
				else if(destuser) {                 /* dest user */
					if(atoi(ixtbuf+l)==destuser)    /* matches */
						continue; }
				else continue; } }                  /* no users, so match */
		else if(destuser && fromuser) {
			if(atoi(ixtbuf+l+18)==fromuser && atoi(ixtbuf+l)==destuser)
				continue; }
		else if(destuser && atoi(ixtbuf+l)==destuser)
			continue;
		else if(fromuser && atoi(ixtbuf+l+18)==fromuser)
			continue;
		write(file,ixtbuf+l,24); }
	close(file);
	FREE(ixtbuf);

	return(TRUE);
}

578
579
580
581
582
void DLLCALL getextdesc(scfg_t* cfg, uint dirnum, ulong datoffset, char *ext)
{
	char str[256];
	int file;

583
	memset(ext,0,F_EXBSIZE+1);
584
585
586
	sprintf(str,"%s%s.exb",cfg->dir[dirnum]->data_dir,cfg->dir[dirnum]->code);
	if((file=nopen(str,O_RDONLY))==-1)
		return;
587
588
	lseek(file,(datoffset/F_LEN)*F_EXBSIZE,SEEK_SET);
	read(file,ext,F_EXBSIZE);
589
590
591
592
593
	close(file);
}

void DLLCALL putextdesc(scfg_t* cfg, uint dirnum, ulong datoffset, char *ext)
{
594
	char str[256],nulbuf[F_EXBSIZE];
595
596
	int file;

597
	strip_invalid_attr(ext);	/* eliminate bogus ctrl-a codes */
598
599
600
601
602
	memset(nulbuf,0,sizeof(nulbuf));
	sprintf(str,"%s%s.exb",cfg->dir[dirnum]->data_dir,cfg->dir[dirnum]->code);
	if((file=nopen(str,O_WRONLY|O_CREAT))==-1)
		return;
	lseek(file,0L,SEEK_END);
603
604
605
606
	while(filelength(file)<(long)(datoffset/F_LEN)*F_EXBSIZE)
		write(file,nulbuf,sizeof(nulbuf));
	lseek(file,(datoffset/F_LEN)*F_EXBSIZE,SEEK_SET);
	write(file,ext,F_EXBSIZE);
607
608
	close(file);
}
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
649
650
651
652
653
654
655

/****************************************************************************/
/* Update the upload date for the file 'f'                                  */
/****************************************************************************/
int DLLCALL update_uldate(scfg_t* cfg, file_t* f)
{
	char str[256],fname[13];
	int i,file;
	long l,length;

	/*******************/
	/* Update IXB File */
	/*******************/
	sprintf(str,"%s%s.ixb",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
	if((file=nopen(str,O_RDWR))==-1)
		return(errno); 
	length=filelength(file);
	if(length%F_IXBSIZE) {
		close(file);
		return(-1); 
	}
	strcpy(fname,f->name);
	for(i=8;i<12;i++)   /* Turn FILENAME.EXT into FILENAMEEXT */
		fname[i]=fname[i+1];
	for(l=0;l<length;l+=F_IXBSIZE) {
		read(file,str,F_IXBSIZE);      /* Look for the filename in the IXB file */
		str[11]=0;
		if(!strcmp(fname,str)) break; }
	if(l>=length) {
		close(file);
		return(-2); 
	}
	lseek(file,l+14,SEEK_SET);
	write(file,&f->dateuled,4);
	close(file);

	/*******************************************/
	/* Update last upload date/time stamp file */
	/*******************************************/
	sprintf(str,"%s%s.dab",cfg->dir[f->dir]->data_dir,cfg->dir[f->dir]->code);
	if((file=nopen(str,O_WRONLY|O_CREAT))==-1)
		return(errno);

	write(file,&f->dateuled,4);
	close(file); 
	return(0);
}
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670

/****************************************************************************/
/* Returns full path to specified file										*/
/****************************************************************************/
char* DLLCALL getfilepath(scfg_t* cfg, file_t* f, char* path)
{
	char	fname[MAX_PATH+1];

	unpadfname(f->name,fname);
	sprintf(path,"%s%s",f->altpath>0 && f->altpath<=cfg->altpaths 
		? cfg->altpath[f->altpath-1] : cfg->dir[f->dir]->path
		,fname);

	return(path);
}