-
Notifications
You must be signed in to change notification settings - Fork 6
/
vmsbackup.c
1339 lines (1231 loc) · 29.2 KB
/
vmsbackup.c
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
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
201
202
203
204
205
206
207
208
209
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
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
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
322
323
324
325
326
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
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
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
424
425
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
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
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
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
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
649
650
651
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
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
765
766
767
768
769
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
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
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
923
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
/*
*
* Title:
* Backup
*
* Decription:
* Program to read VMS backup tape
*
* Author:
* John Douglas CAREY. (version 2.x, I think)
* Sven-Ove Westberg (version 3.0)
* See ChangeLog file for more recent authors.
*
* Net-addess (as of 1986 or so; it is highly unlikely these still work):
* john%monu1.oz@seismo.ARPA
* luthcad!sow@enea.UUCP
*
*
* Installation (again, as of 1986):
*
* Computer Centre
* Monash University
* Wellington Road
* Clayton
* Victoria 3168
* AUSTRALIA
*
*/
/* Does this system have the magnetic tape ioctls? The answer is yes for
most/all unices, and I think it is yes for VMS 7.x with DECC 5.2 (needs
verification), but it is no for VMS 6.2. */
#ifndef HAVE_MT_IOCTLS
#define HAVE_MT_IOCTLS 1
#endif
#ifdef HAVE_UNIXIO_H
/* Declarations for read, write, etc. */
#include <unixio.h>
#else
#include <unistd.h>
#include <fcntl.h>
#endif
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#if HAVE_MT_IOCTLS
#include <sys/ioctl.h>
#include <sys/mtio.h>
#endif
#ifdef REMOTE
#include <local/rmt.h>
#include <sys/stat.h>
#endif
#include <sys/file.h>
#include "fabdef.h"
#ifndef __vax
/* The help claims that mkdir is declared in stdlib.h but it doesn't
seem to be true. AXP/VMS 6.2, DECC ?.?. On the other hand, VAX/VMS 6.2
seems to declare it in a way which conflicts with this definition.
This is starting to sound like a bad dream. */
int mkdir ();
#endif
#include "vmsbackup.h"
#include "sysdep.h"
#ifdef DEBUG
static void debug_dump(const unsigned char* buffer, int dsize, int dtype);
#endif
int match ();
char *strlocase ();
/* Byte-swapping routines. Note that these do not depend on the size
of datatypes such as short, long, etc., nor do they require us to
detect the endianness of the machine we are running on. It is
possible they should be macros for speed, but I'm not sure it is
worth bothering. We don't have signed versions although we could
add them if needed. They are, of course little-endian as that is
the byteorder used by all integers in a BACKUP saveset. */
unsigned long
getu32 (addr)
unsigned char *addr;
{
return (((((unsigned long)addr[3] << 8) | addr[2]) << 8)
| addr[1]) << 8 | addr[0];
}
unsigned int
getu16 (addr)
unsigned char *addr;
{
return (addr[1] << 8) | addr[0];
}
struct bbh {
unsigned char bbh_dol_w_size[2];
unsigned char bbh_dol_w_opsys[2];
unsigned char bbh_dol_w_subsys[2];
unsigned char bbh_dol_w_applic[2];
unsigned char bbh_dol_l_number[4];
char bbh_dol_t_spare_1[20];
unsigned char bbh_dol_w_struclev[2];
unsigned char bbh_dol_w_volnum[2];
unsigned char bbh_dol_l_crc[4];
unsigned char bbh_dol_l_blocksize[4];
unsigned char bbh_dol_l_flags[4];
char bbh_dol_t_ssname[32];
unsigned char bbh_dol_w_fid[3][2];
unsigned char bbh_dol_w_did[3][2];
char bbh_dol_t_filename[128];
char bbh_dol_b_rtype;
char bbh_dol_b_rattrib;
unsigned char bbh_dol_w_rsize[2];
char bbh_dol_b_bktsize;
char bbh_dol_b_vfcsize;
unsigned char bbh_dol_w_maxrec[2];
unsigned char bbh_dol_l_filesize[4];
char bbh_dol_t_spare_2[22];
unsigned char bbh_dol_w_checksum[2];
} *block_header;
struct brh {
unsigned char brh_dol_w_rsize[2];
unsigned char brh_dol_w_rtype[2];
unsigned char brh_dol_l_flags[4];
unsigned char brh_dol_l_address[4];
unsigned char brh_dol_l_spare[4];
} *record_header;
/* define record types */
#define brh_dol_k_null 0
#define brh_dol_k_summary 1
#define brh_dol_k_volume 2
#define brh_dol_k_file 3
#define brh_dol_k_vbn 4
#define brh_dol_k_physvol 5
#define brh_dol_k_lbn 6
#define brh_dol_k_fid 7
struct bsa {
unsigned char bsa_dol_w_size[2];
unsigned char bsa_dol_w_type[2];
char bsa_dol_t_text[1];
} *data_item;
#ifdef STREAM
char *def_tapefile = "/dev/rts8";
#else
char *def_tapefile = "/dev/rmt8";
#endif
char filename[128];
int filesize;
int afilesize;
char recfmt; /* record format */
char recatt; /* record attributes */
FILE *f = NULL;
/* Number of bytes we have read from the current file so far (or something
like that; see process_vbn). */
int file_count;
short reclen;
short fix;
short recsize;
int vfcsize;
/* Number of files we have seen. */
unsigned int nfiles;
/* Number of blocks in those files. */
unsigned long nblocks;
#ifdef NEWD
FILE *lf;
#endif
int fd; /* tape file descriptor */
/* Command line stuff. */
/* The save set that we are listing or extracting. */
char *tapefile;
/* We're going to say tflag indicates our best effort at the same
output format as VMS BACKUP/LIST. Previous versions of this
program used tflag for a briefer output format; if we want that
feature we'll have to figure out what option should control it. */
int tflag;
int cflag, dflag, eflag, sflag, vflag, wflag, xflag, debugflag;
/* Extract files in binary mode. FIXME: Haven't tried to document
(here or in the manpage) exactly what that means. I think it probably
means (or should mean) to give us raw bits, the same as you would get
if you read the file in VMS directly using SYS$QIO or some such. But
I haven't carefully looked at whether that is what it currently does. */
int flag_binary;
/* More full listing (/FULL). */
int flag_full;
/* Which save set are we reading? */
int selset;
/* These variables describe the files we will be operating on. GARGV is
a vector of GARGC elements, and the elements from GOPTIND to the end
are the names. */
char **gargv;
int goptind, gargc;
int setnr;
#define LABEL_SIZE 80
char label[LABEL_SIZE];
char *block;
/* Default blocksize, as specified in -b option. */
int blocksize = 32256;
#if HAVE_MT_IOCTLS
struct mtop op;
#endif
int typecmp ();
FILE *
openfile(fn)
char *fn;
{
char ufn[256];
char ans[80];
char *p, *q, s, *ext;
int procf;
procf = 1;
/* copy fn to ufn and convert to lower case */
p = fn;
q = ufn;
while (*p) {
if (isupper(*p))
*q = *p - 'A' + 'a';
else
*q = *p;
p++;
q++;
}
*q = '\0';
/* convert the VMS to UNIX and make the directory path */
p = ufn;
q = ++p;
while (*q) {
if (*q == '.' || *q == ']') {
s = *q;
*q = '\0';
if(procf && dflag) mkdir(p, 0777);
*q = '/';
if (s == ']')
break;
}
*q++;
}
*q++;
if(!dflag) p=q;
/* strip off the version number */
while (*q && *q != ';') {
if( *q == '.') ext = q;
q++;
}
if (cflag) {
*q = ':';
}
else {
*q = '\0';
}
if(!eflag && procf) procf = typecmp(++ext);
if(procf && wflag) {
printf("extract %s [ny]",filename);
fflush(stdout);
fgets(ans, sizeof(ans), stdin);
if(*ans != 'y') procf = 0;
}
if(procf)
/* open the file for writing */
return(fopen(p, "w"));
else
return(NULL);
}
int
typecmp(str) /* Compare the filename type in str with our list
of file type to be ignored. Return 0 if the
file is to be ignored, return 1 if the
file is not in our list and should not be ignored. */
register char *str;
{
static char *type[] = {
"exe", /* vms executable image */
"lib", /* vms object library */
"obj", /* rsx object file */
"odl", /* rsx overlay description file */
"olb", /* rsx object library */
"pmd", /* rsx post mortem dump */
"stb", /* rsx symbol table */
"sys", /* rsx bootable system image */
"tsk", /* rsx executable image */
"dir", /* directory */
"upd",
"tlo",
"tlb", /* text library */
"hlb", /* help library */
"" /* null string terminates list */
};
register int i;
i = -1;
while (*type[++i])
if (strncmp(str, type[i],3) == 0)
return(0); /* found a match, file to be ignored */
return(1); /* no match found */
}
void
process_summary (buffer, rsize)
unsigned char *buffer;
size_t rsize;
{
size_t c;
size_t dsize;
char *text;
int type;
/* These are the various fields from the summary. */
unsigned long id = 0;
char *saveset = "";
size_t saveset_size = 0;
char *command = "";
size_t command_size = 0;
char *written_by = "";
size_t written_by_size = 0;
unsigned short grp = 0377;
unsigned short usr = 0377;
char *os = "<unknown OS>"; /* '\0' terminated. */
char *osversion = "unknown";
size_t osversion_size = 7;
char *nodename = "";
size_t nodename_size = 0;
char *written_on = "";
size_t written_on_size = 0;
char *backup_version = "unknown";
size_t backup_version_size = 7;
char date[24] = "<unknown date>";
short date_length = 0;
unsigned long blksz = 0;
unsigned int grpsz = 0;
unsigned int bufcnt = 0;
int i;
if (!tflag)
return;
/* check the header word */
if (buffer[0] != 1 || buffer[1] != 1) {
printf ("Cannot print summary; invalid data header\n");
return;
}
c = 2;
while (c < rsize) {
dsize = getu16 (((struct bsa *)&buffer[c])->bsa_dol_w_size);
type = getu16 (((struct bsa *)&buffer[c])->bsa_dol_w_type);
text = ((struct bsa *)&buffer[c])->bsa_dol_t_text;
/* Probably should define constants for the cases in this
switch, but I don't know anything about whether they
have "official" names we should be using or anything
like that. */
#ifdef DEBUG
debug_dump(text, dsize, type);
#endif
switch (type) {
case 0:
/* This seems to be used for padding at the end
of the summary. */
goto end_of_summary;
case 1:
saveset = text;
saveset_size = dsize;
break;
case 2:
command = text;
command_size = dsize;
break;
case 4:
written_by = text;
written_by_size = dsize;
break;
case 5:
if (dsize == 4) {
usr = getu16 (text);
grp = getu16 (text + 2);
}
break;
case 6:
if (dsize != 8
|| !(time_vms_to_asc (&date_length, date, text)
& 1))
{
strcpy (date, "error converting date");
date_length = strlen (date);
}
break;
case 7:
if (dsize == 2) {
unsigned short oscode;
oscode = getu16 (text);
switch(oscode)
{
case 0x800:
os = "OpenVMS AXP";
break;
case 0x400:
os = "OpenVMS VAX";
break;
case 0x004:
os = "RSTS/E";
break;
#ifdef DEBUG
default:
os = "Unknown OS Code";
break;
#endif
}
}
break;
case 8:
osversion = text;
osversion_size = dsize;
break;
case 9:
nodename = text;
nodename_size = dsize;
break;
case 10:
if (dsize >= 4) {
id = getu32 (text);
}
break;
case 11:
written_on = text;
written_on_size = dsize;
break;
case 12:
backup_version = text;
backup_version_size = dsize;
break;
case 13:
if (dsize >= 4) {
blksz = getu32 (text);
}
break;
case 14:
if (dsize >= 2) {
grpsz = getu16 (text);
}
break;
case 15:
if (dsize >= 2) {
bufcnt = getu16 (text);
}
break;
default:
/* I guess we'll silently ignore these, for future
expansion. */
break;
}
c += dsize + 4;
}
end_of_summary:
printf ("Save set: %.*s\n", saveset_size, saveset);
printf ("Written by: %.*s\n", written_by_size, written_by);
printf ("UIC: [%06o,%06o]\n", grp, usr);
printf ("Date: %.*s\n", date_length, date);
printf ("Command: %.*s\n", command_size, command);
printf ("Operating system: %s version %.*s\n", os,
osversion_size, osversion);
printf ("BACKUP version: %.*s\n", backup_version_size,
backup_version);
printf ("CPU ID register: %08x\n", id);
printf ("Node name: %.*s\n", nodename_size, nodename);
printf ("Written on: %.*s\n", written_on_size, written_on);
printf ("Block size: %lu\n", blksz);
if (grpsz != 0)
printf ("Group size: %u\n", grpsz);
printf ("Buffer count: %u\n\n", bufcnt);
/* The extra \n is to provide the blank line between the summary
and the list of files that follows. */
}
void
process_file(buffer, rsize)
char *buffer;
size_t rsize;
{
int i, n;
char *p, *q;
long nblk;
long ablk;
short dsize, lnch;
short dtype;
char *data;
char *cfname;
char *sfilename;
char date1[24] = " <None specified>";
char date2[24] = " <None specified>";
char date3[24] = " <None specified>";
char date4[24] = " <None specified>";
short date_length = 0;
unsigned int reviseno = 0;
unsigned int fileid1 = 0, fileid2 = 0, fileid3 = 0;
unsigned int extension = 0;
unsigned int protection = 0;
/* Various other stuff extracted from the saveset. */
unsigned short grp = 0377;
unsigned short usr = 0377;
/* Number of blocks which should appear in output. This doesn't
seem to always be the same as nblk. */
size_t blocks;
size_t ablocks;
int c;
int procf;
/* check the header word */
if (buffer[0] != 1 || buffer[1] != 1) {
printf("Snark: invalid data header\n");
exit(1);
}
c = 2;
while (c < rsize) {
dsize = getu16 (((struct bsa *) &buffer[c])->bsa_dol_w_size);
dtype = getu16 (((struct bsa *)&buffer[c])->bsa_dol_w_type);
data = ((struct bsa *)&buffer[c])->bsa_dol_t_text;
#ifdef DEBUG
debug_dump(data, dsize, dtype);
#endif
/* Probably should define constants for the cases in this
switch, but I don't know anything about whether they
have "official" names we should be using or anything
like that. */
switch (dtype) {
case 0x2a:
/* Copy the text into filename, and '\0'-terminate
it. */
p = data;
q = filename;
for (i = 0;
i < dsize && q < filename + sizeof (filename) - 1;
i++)
*q++ = *p++;
*q = '\0';
break;
case 0x2b:
/* In my example, two bytes, 0x1 0x2. */
break;
case 0x2c:
/* In my example, 6 bytes,
0x7a 0x2 0x57 0x0 0x1 0x1. */
fileid1 = getu16(data);
fileid2 = getu16(data + 2);
fileid3 = getu16(data + 4);
break;
case 0x2e:
/* In my example, 4 bytes, 0x00000004. Maybe
the allocation. */
break;
case 0x2f:
if (dsize == 4) {
usr = getu16 (data);
grp = getu16 (data + 2);
}
break;
case 0x34:
recfmt = data[0];
recatt = data[1];
recsize = getu16 (&data[2]);
/* bytes 4-7 unaccounted for. */
ablk = getu16 (&data[6]);
nblk = getu16 (&data[10])
/* Adding in the following amount is a
change that I brought over from
vmsbackup 3.1. The comment there
said "subject to confirmation from
backup expert here" but I'll put it
in until someone complains. */
+ (64 * 1024) * getu16 (&data[8]);
lnch = getu16 (&data[12]);
/* byte 14 unaccounted for */
vfcsize = data[15];
if (vfcsize == 0)
vfcsize = 2;
/* bytes 16-31 unaccounted for */
extension = getu16 (&data[18]);
break;
case 0x2d:
/* In my example, 6 bytes. hex 2b3c 2000 0000. */
break;
case 0x30:
/* In my example, 2 bytes. 0x44 0xee. */
protection = getu16 (&data[0]);
break;
case 0x31:
/* In my example, 2 bytes. hex 0000. */
break;
case 0x32:
/* In my example, 1 byte. hex 00. */
break;
case 0x33:
/* In my example, 4 bytes. hex 00 0000 00. */
break;
case 0x4b:
/* In my example, 2 bytes. Hex 01 00. */
break;
case 0x50:
/* In my example, 1 byte. hex 00. */
break;
case 0x57:
/* In my example, 1 byte. hex 00. */
break;
case 0x4f:
/* In my example, 4 bytes. 05 0000 00. */
break;
case 0x35:
/* In my example, 2 bytes. 04 00. */
reviseno = getu16 (&data[0]);
break;
case 0x36:
/* In my example, 8 bytes. Presumably a date. */
if (memcmp("\0\0\0\0\0\0\0\0", data, 8) != 0 &&
!(time_vms_to_asc (&date_length, date4, data)
& 1))
{
strcpy (date4, "error converting date");
}
break;
case 0x37:
/* In my example, 8 bytes. Presumably a date. */
if (memcmp("\0\0\0\0\0\0\0\0", data, 8) != 0 &&
!(time_vms_to_asc (&date_length, date1, data)
& 1))
{
strcpy (date1, "error converting date");
}
break;
case 0x38:
/* In my example, 8 bytes. Presumably expires
date, since my examples has all zeroes here
and BACKUP prints "<None specified>" for
expires. */
if (memcmp("\0\0\0\0\0\0\0\0", data, 8) != 0 &&
!(time_vms_to_asc (&date_length, date2, data)
& 1))
{
strcpy (date2, "error converting date");
}
break;
case 0x39:
/* In my example, 8 bytes. Presumably a date. */
if (memcmp("\0\0\0\0\0\0\0\0", data, 8) != 0 &&
!(time_vms_to_asc (&date_length, date3, data)
& 1))
{
strcpy (date3, "error converting date");
}
break;
case 0x47:
/* In my example, 4 bytes. 01 00c6 00. */
break;
case 0x48:
/* In my example, 2 bytes. 88 aa. */
break;
case 0x4a:
/* In my example, 2 bytes. 01 00. */
break;
/* then comes 0x0, offset 0x2b7. */
}
c += dsize + 4;
}
#ifdef DEBUG
if (debugflag)
{
printf("recfmt = %d\n", recfmt);
printf("recatt = %d\n", recatt);
printf("reclen = %d\n", recsize);
printf("vfcsize = %d\n", vfcsize);
}
#endif
/* I believe that "512" here is a fixed constant which should not
depend on the device, the saveset, or anything like that. */
filesize = (nblk-1)*512 + lnch;
blocks = (filesize + 511) / 512;
afilesize = ablk*512;
ablocks = ablk;
#ifdef DEBUG
if (debugflag)
{
printf("nbk = %d, abk = %d, lnch = %d\n", nblk, ablk, lnch);
printf("filesize = 0x%x, afilesize = 0x%x\n", filesize, afilesize);
}
#endif
/* open the file */
if (f != NULL) {
fclose(f);
file_count = 0;
reclen = 0;
}
procf = 0;
if (goptind < gargc) {
if (dflag) {
cfname = filename;
} else {
cfname = strrchr(filename, ']') + 1;
}
sfilename = malloc (strlen (cfname) + 5);
if (sfilename == NULL) {
fprintf (stderr, "out of memory\n");
exit (1);
}
if (cflag) {
for (i = 0; i < strlen(cfname); i++) {
sfilename[i] = cfname[i];
sfilename[i+1] = '\0';
}
} else {
for (i = 0;
i < strlen(cfname) && cfname[i] != ';';
i++) {
sfilename[i] = cfname[i];
sfilename[i+1] = '\0';
}
}
for (i = goptind; i < gargc; i++) {
procf |= match (strlocase(sfilename),
strlocase(gargv[i]));
}
free (sfilename);
}
else
procf = 1;
if (tflag && procf && !flag_full)
#ifdef HAVE_STARLET
printf ("%-52s %8d %s\n", filename, blocks, date4);
#else
printf ("%-52s %8d\n", filename, blocks);
#endif
if (tflag && procf && flag_full) {
printf ("%-30.30s File ID: (%d,%d,%d)\n",
filename,fileid1,fileid2,fileid3);
printf (" Size: %6d/%-6d Owner: [%06o,%06o]\n",
blocks,ablocks,grp, usr);
printf (" Protection: (");
for (i = 0; i <= 3; i++)
{
printf("%c:", "SOGW"[i]);
if (((protection >> (i * 4)) & 1) == 0)
{
printf("R");
}
if (((protection >> (i * 4)) & 2) == 0)
{
printf("W");
}
if (((protection >> (i * 4)) & 4) == 0)
{
printf("E");
}
if (((protection >> (i * 4)) & 8) == 0)
{
printf("D");
}
if (i != 3)
{
printf(",");
}
}
printf(")\n");
#ifdef HAVE_STARLET
printf(" Created: %s\n", date4);
printf(" Revised: %s (%u)\n", date1, reviseno);
printf(" Expires: %s\n", date2);
printf(" Backup: %s\n", date3);
#endif
printf (" File Organization: ");
switch (recfmt & 0xf0)
{
case FAB$C_SEQ: printf("Sequential"); break;
case FAB$C_REL: printf("Relative"); break;
case FAB$C_IDX: printf("Indexed"); break;
case FAB$C_HSH: printf("Hashed"); break;
default: printf("<Unknown %d>", recfmt &0xf0); break;
}
printf("\n");
printf(" File attributes: Allocation %u, Extend %d",
ablocks, extension);
printf("\n");
printf (" Record format: ");
switch (recfmt & 0x0f) {
case FAB$C_UDF: printf ("(undefined)"); break;
case FAB$C_FIX: printf ("Fixed length");
if (recsize)
printf (" %u byte records", recsize);
break;
case FAB$C_VAR: printf ("Variable length");
if (recsize)
printf (", maximum %u bytes", recsize);
break;
case FAB$C_VFC: printf ("VFC");
if (recsize)
printf (", maximum %u bytes", recsize);
break;
case FAB$C_STM: printf ("Stream"); break;
case FAB$C_STMLF: printf ("Stream_LF"); break;
case FAB$C_STMCR: printf ("Stream_CR"); break;
default: printf ("<unknown>"); break;
}
printf ("\n");
printf (" Record attributes: ");
if (recatt & FAB$M_FTN) printf ("Fortran ");
if (recatt & FAB$M_PRN) printf ("Print file ");
if (recatt & FAB$M_CR) printf ("Carriage return carriage control ");
if (recatt & FAB$M_BLK) printf ("Non-spanned");
printf ("\n");
}
if (xflag && procf) {
/* open file */
f = openfile(filename);
if(f != NULL && vflag) printf("extracting %s\n", filename);
}
++nfiles;
nblocks += blocks;
}
/*
*
* process a virtual block record (file record)
*
*/
process_vbn(buffer, rsize)
char *buffer;
unsigned short rsize;
{
int c, i;
int j;
if (f == NULL) {
return;
}
i = 0;
while (file_count+i < filesize && i < rsize) {
switch (recfmt) {
case FAB$C_FIX:
if (reclen == 0) {
reclen = recsize;
}
fputc(buffer[i], f);
i++;
reclen--;
break;
case FAB$C_VAR:
case FAB$C_VFC:
if (reclen == 0) {
reclen = getu16 (&buffer[i]);
#ifdef NEWD
fprintf(lf, "---\n");
fprintf(lf, "reclen = %d\n", reclen);
fprintf(lf, "i = %d\n", i);
fprintf(lf, "rsize = %d\n", rsize);
#endif
fix = reclen;
if (flag_binary) for (j = 0; j < 2; j++) {
fputc (buffer[i+j], f);
}
i += 2;
if (recfmt == FAB$C_VFC) {
if (flag_binary)
for (j = 0; j < vfcsize; j++) {
fputc (buffer[i+j], f);
}
i += vfcsize;
reclen -= vfcsize;
}
} else if (reclen == fix
&& recatt == FAB$M_FTN) {
/****
if (buffer[i] == '0')
fputc('\n', f);
else if (buffer[i] == '1')
fputc('\f', f);
*** sow ***/
fputc(buffer[i],f); /** sow **/
i++;
reclen--;
} else {
fputc(buffer[i], f);
i++;
reclen--;
}
if (reclen == 0) {
if (!flag_binary) fputc('\n', f);
if (i & 1) {
if (flag_binary) fputc (buffer[i], f);
i++;
}
}
break;
case FAB$C_STM:
case FAB$C_STMLF:
if (reclen < 0) {
printf("SCREAM\n");
}
if (reclen == 0) {
reclen = 512;
}
c = buffer[i++];
reclen--;
if (c == '\n') {
reclen = 0;
}
fputc(c, f);
break;
case FAB$C_STMCR:
c = buffer[i++];
if (c == '\r' && !flag_binary)
fputc('\n', f);
else
fputc(c, f);
break;
default:
fclose(f); f = NULL;
remove(filename);
fprintf(stderr, "Invalid record format = %d\n", recfmt);
return;
}
}
file_count += i;
}
/*
*
* process a backup block
*
*/
void
process_block(block, blocksize)
char *block;
int blocksize;
{
unsigned short bhsize, rsize, rtype;
unsigned long bsize, i;
i = 0;
/* read the backup block header */
block_header = (struct bbh *) &block[i];
i += sizeof(struct bbh);
bhsize = getu16 (block_header->bbh_dol_w_size);
bsize = getu32 (block_header->bbh_dol_l_blocksize);