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
|
/* $Id: UnattendedScript.cpp $ */
/** @file
* Classes for reading/parsing/saving scripts for unattended installation.
*/
/*
* Copyright (C) 2006-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* 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, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_MAIN_UNATTENDED
#include "LoggingNew.h"
#include "VirtualBoxBase.h"
#include "AutoCaller.h"
#include <VBox/com/ErrorInfo.h>
#include "UnattendedScript.h"
#include "UnattendedImpl.h"
#include <iprt/err.h>
#include <iprt/ctype.h>
#include <iprt/file.h>
#include <iprt/vfs.h>
#include <iprt/getopt.h>
#include <iprt/path.h>
using namespace std;
#ifdef VBOX_WITH_UNATTENDED
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
static const char g_szPrefix[] = "@@VBOX_";
static const char g_szPrefixInsert[] = "@@VBOX_INSERT";
static const char g_szPrefixInsertXxx[] = "@@VBOX_INSERT_";
static const char g_szPrefixInsertExpr[] = "@@VBOX_INSERT[";
static const char g_szPrefixCond[] = "@@VBOX_COND";
static const char g_szPrefixCondXxx[] = "@@VBOX_COND_";
static const char g_szPrefixCondExpr[] = "@@VBOX_COND[";
static const char g_szPrefixCondElse[] = "@@VBOX_COND_ELSE@@";
static const char g_szPrefixCondEnd[] = "@@VBOX_COND_END@@";
static const char g_szPrefixSplitter[] = "@@VBOX_SPLITTER";
/*********************************************************************************************************************************
* UnattendedScriptTemplate Implementation *
*********************************************************************************************************************************/
UnattendedScriptTemplate::UnattendedScriptTemplate(Unattended *pUnattended, const char *pszDefaultTemplateFilename,
const char *pszDefaultFilename)
: BaseTextScript(pUnattended, pszDefaultTemplateFilename, pszDefaultFilename), mpUnattended(pUnattended)
{
}
HRESULT UnattendedScriptTemplate::saveToString(Utf8Str &rStrDst)
{
RTEXPREVAL hEvaluator = NIL_RTEXPREVAL;
int vrc = RTExprEvalCreate(&hEvaluator, 0, "unattended", this, UnattendedScriptTemplate::queryVariableForExpr);
AssertRCReturn(vrc, mpSetError->setErrorVrc(vrc));
struct
{
bool fSavedOutputting;
} aConds[8];
unsigned cConds = 0;
bool fOutputting = true;
HRESULT hrc = E_FAIL;
size_t offTemplate = 0;
size_t cchTemplate = mStrScriptFullContent.length();
rStrDst.setNull();
for (;;)
{
/*
* Find the next placeholder and add any text before it to the output.
*/
size_t offPlaceholder = mStrScriptFullContent.find(g_szPrefix, offTemplate);
size_t cchToCopy = offPlaceholder != RTCString::npos ? offPlaceholder - offTemplate : cchTemplate - offTemplate;
if (cchToCopy > 0)
{
if (fOutputting)
{
try
{
rStrDst.append(mStrScriptFullContent, offTemplate , cchToCopy);
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
break;
}
}
offTemplate += cchToCopy;
}
/*
* Process placeholder.
*/
if (offPlaceholder != RTCString::npos)
{
/*
* First we must find the end of the placeholder string.
*/
size_t const cchMaxPlaceholder = RT_MIN(cchTemplate - offPlaceholder, _1K);
const char *pszPlaceholder = mStrScriptFullContent.c_str() + offPlaceholder;
size_t cchPlaceholder = sizeof(g_szPrefix) - 1;
char ch;
while ( cchPlaceholder < cchMaxPlaceholder
&& (ch = pszPlaceholder[cchPlaceholder]) != '\0'
&& (RT_C_IS_PRINT(ch) || RT_C_IS_SPACE(ch))
&& ch != '@')
cchPlaceholder++;
if ( offPlaceholder + cchPlaceholder < cchTemplate
&& pszPlaceholder[cchPlaceholder] == '@')
{
cchPlaceholder++;
if ( offPlaceholder + cchPlaceholder < cchTemplate
&& pszPlaceholder[cchPlaceholder] == '@')
cchPlaceholder++;
}
if ( pszPlaceholder[cchPlaceholder - 1] != '@'
|| pszPlaceholder[cchPlaceholder - 2] != '@'
|| ( strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixInsert)) != 0
&& strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixCond)) != 0
&& strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixSplitter)) != 0 ) )
{
hrc = mpSetError->setError(E_FAIL, tr("Malformed or too long template placeholder '%.*s'"),
cchPlaceholder, pszPlaceholder);
break;
}
offTemplate += cchPlaceholder;
/*
* @@VBOX_INSERT_XXX@@:
*/
if (strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixInsertXxx)) == 0)
{
/*
* Get the placeholder value and add it to the output.
*/
RTCString strValue;
hrc = getReplacement(pszPlaceholder, cchPlaceholder, fOutputting, strValue);
if (SUCCEEDED(hrc))
{
if (fOutputting)
{
try
{
rStrDst.append(strValue);
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
break;
}
}
}
else
break;
}
/*
* @@VBOX_INSERT[expr]@@:
* @@VBOX_INSERT[expr]SH@@:
* @@VBOX_INSERT[expr]ELEMENT@@:
* @@VBOX_INSERT[expr]ATTRIB_DQ@@:
*/
else if (strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixInsertExpr)) == 0)
{
/*
* Get the placeholder value and add it to the output.
*/
char *pszValue = NULL;
hrc = getReplacementForExpr(hEvaluator, pszPlaceholder, cchPlaceholder, fOutputting, &pszValue);
if (SUCCEEDED(hrc))
{
if (fOutputting && pszValue)
{
try
{
rStrDst.append(pszValue);
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
break;
}
}
RTStrFree(pszValue);
}
else
break;
}
/*
* @@VBOX_COND_END@@: Pop one item of the conditional stack.
*/
else if (strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixCondEnd)) == 0)
{
if (cConds > 0)
{
cConds--;
fOutputting = aConds[cConds].fSavedOutputting;
}
else
{
hrc = mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
tr("%s without @@VBOX_COND_XXX@@ at offset %zu (%#zx)"),
g_szPrefixCondEnd, offPlaceholder, offPlaceholder);
break;
}
}
/*
* @@VBOX_COND_ELSE@@: Flip the output setting of the current condition.
*/
else if (strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixCondElse)) == 0)
{
if (cConds > 0)
fOutputting = !fOutputting;
else
{
hrc = mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
tr("%s without @@VBOX_COND_XXX@@ at offset %zu (%#zx)"),
g_szPrefixCondElse, offPlaceholder, offPlaceholder);
break;
}
}
/*
* @@VBOX_COND_XXX@@: Push the previous outputting state and combine it with the
* one from the condition.
*/
else if (strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixCondXxx)) == 0)
{
if (cConds + 1 < RT_ELEMENTS(aConds))
{
aConds[cConds].fSavedOutputting = fOutputting;
bool fNewOutputting = fOutputting;
hrc = getConditional(pszPlaceholder, cchPlaceholder, &fNewOutputting);
if (SUCCEEDED(hrc))
fOutputting = fOutputting && fNewOutputting;
else
break;
cConds++;
}
else
{
hrc = mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
tr("Too deep conditional nesting at offset %zu (%#zx)"),
offPlaceholder, offPlaceholder);
break;
}
}
/*
* @@VBOX_COND[expr]@@: Push the previous outputting state and combine it with the
* one from the condition.
*/
else if (strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixCondExpr)) == 0)
{
if (cConds + 1 < RT_ELEMENTS(aConds))
{
aConds[cConds].fSavedOutputting = fOutputting;
bool fNewOutputting = fOutputting;
hrc = resolveConditionalExpr(hEvaluator, pszPlaceholder, cchPlaceholder, &fNewOutputting);
if (SUCCEEDED(hrc))
fOutputting = fOutputting && fNewOutputting;
else
break;
cConds++;
}
else
{
hrc = mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
tr("Too deep conditional nesting at offset %zu (%#zx)"),
offPlaceholder, offPlaceholder);
break;
}
}
/*
* @@VBOX_SPLITTER_START/END[filename]@@: Ignored in this pass.
*/
else
{
Assert(strncmp(pszPlaceholder, RT_STR_TUPLE(g_szPrefixSplitter)) == 0);
if (fOutputting)
{
try
{
rStrDst.append(pszPlaceholder, cchPlaceholder);
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
break;
}
}
}
}
/*
* Done?
*/
if (offTemplate >= cchTemplate)
{
if (cConds == 0)
{
RTExprEvalRelease(hEvaluator);
return S_OK;
}
if (cConds == 1)
hrc = mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Missing @@VBOX_COND_END@@"));
else
hrc = mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Missing %u @@VBOX_COND_END@@"), cConds);
break;
}
}
/* failed */
rStrDst.setNull();
RTExprEvalRelease(hEvaluator);
return hrc;
}
HRESULT UnattendedScriptTemplate::getReplacement(const char *pachPlaceholder, size_t cchPlaceholder,
bool fOutputting, RTCString &rValue)
{
/*
* Check for an escaping suffix. Drop the '@@'.
*/
kEvalEscaping_T enmEscaping;
#define PLACEHOLDER_ENDS_WITH(a_szSuffix) \
( cchPlaceholder > sizeof(a_szSuffix) - 1U \
&& memcmp(&pachPlaceholder[cchPlaceholder - sizeof(a_szSuffix) + 1U], a_szSuffix, sizeof(a_szSuffix) - 1U) == 0)
if (PLACEHOLDER_ENDS_WITH("_SH@@"))
{
cchPlaceholder -= 3 + 2;
enmEscaping = kValueEscaping_Bourne;
}
else if (PLACEHOLDER_ENDS_WITH("_ELEMENT@@"))
{
cchPlaceholder -= 8 + 2;
enmEscaping = kValueEscaping_XML_Element;
}
else if (PLACEHOLDER_ENDS_WITH("_ATTRIB_DQ@@"))
{
cchPlaceholder -= 10 + 2;
enmEscaping = kValueEscaping_XML_Attribute_Double_Quotes;
}
else
{
Assert(PLACEHOLDER_ENDS_WITH("@@"));
cchPlaceholder -= 2;
enmEscaping = kValueEscaping_None;
}
#undef PLACEHOLDER_ENDS_WITH
/*
* Resolve and escape the value.
*/
HRESULT hrc;
try
{
Utf8Str strTmp;
const char *pszReadOnlyValue = NULL;
int vrc = queryVariable(pachPlaceholder + sizeof(g_szPrefixInsertXxx) - 1,
cchPlaceholder - sizeof(g_szPrefixInsertXxx) + 1,
strTmp, fOutputting ? &pszReadOnlyValue : NULL);
if (RT_SUCCESS(vrc))
{
if (fOutputting)
{
Assert(pszReadOnlyValue != NULL);
switch (enmEscaping)
{
case kValueEscaping_None:
rValue = pszReadOnlyValue;
return S_OK;
case kValueEscaping_Bourne:
case kValueEscaping_XML_Element:
case kValueEscaping_XML_Attribute_Double_Quotes:
{
switch (enmEscaping)
{
case kValueEscaping_Bourne:
{
const char * const papszArgs[2] = { pszReadOnlyValue, NULL };
char *pszEscaped = NULL;
vrc = RTGetOptArgvToString(&pszEscaped, papszArgs, RTGETOPTARGV_CNV_QUOTE_BOURNE_SH);
if (RT_SUCCESS(vrc))
{
try
{
rValue = pszEscaped;
RTStrFree(pszEscaped);
return S_OK;
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
}
RTStrFree(pszEscaped);
}
else
hrc = mpSetError->setErrorVrc(vrc);
break;
}
case kValueEscaping_XML_Element:
rValue.printf("%RMes", pszReadOnlyValue);
return S_OK;
case kValueEscaping_XML_Attribute_Double_Quotes:
{
RTCString strTmp2;
strTmp2.printf("%RMas", pszReadOnlyValue);
rValue = RTCString(strTmp2, 1, strTmp2.length() - 2);
return S_OK;
}
default:
hrc = E_FAIL;
break;
}
break;
}
default:
AssertFailedStmt(hrc = E_FAIL);
break;
}
}
else
hrc = S_OK;
}
else
hrc = E_FAIL;
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
}
rValue.setNull();
return hrc;
}
HRESULT UnattendedScriptTemplate::getReplacementForExpr(RTEXPREVAL hEvaluator, const char *pachPlaceholder, size_t cchPlaceholder,
bool fOutputting, char **ppszValue) RT_NOEXCEPT
{
/*
* Process the tail of the placeholder to figure out the escaping rules.
*
* @@VBOX_INSERT[expr]@@:
* @@VBOX_INSERT[expr]SH@@:
* @@VBOX_INSERT[expr]ELEMENT@@:
* @@VBOX_INSERT[expr]ATTRIB_DQ@@:
*/
kEvalEscaping_T enmEscaping;
#define PLACEHOLDER_ENDS_WITH(a_szSuffix) \
( cchPlaceholder > sizeof(a_szSuffix) - 1U \
&& memcmp(&pachPlaceholder[cchPlaceholder - sizeof(a_szSuffix) + 1U], a_szSuffix, sizeof(a_szSuffix) - 1U) == 0)
if (PLACEHOLDER_ENDS_WITH("]SH@@"))
{
cchPlaceholder -= sizeof("]SH@@") - 1;
enmEscaping = kValueEscaping_Bourne;
}
else if (PLACEHOLDER_ENDS_WITH("]ELEMENT@@"))
{
cchPlaceholder -= sizeof("]ELEMENT@@") - 1;
enmEscaping = kValueEscaping_XML_Element;
}
else if (PLACEHOLDER_ENDS_WITH("]ATTRIB_DQ@@"))
{
cchPlaceholder -= sizeof("]ATTRIB_DQ@@") - 1;
enmEscaping = kValueEscaping_XML_Attribute_Double_Quotes;
}
else if (PLACEHOLDER_ENDS_WITH("]@@"))
{
cchPlaceholder -= sizeof("]@@") - 1;
enmEscaping = kValueEscaping_None;
}
else
return mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Malformed @@VBOX_INSERT[expr]@@: Missing ']' (%.*s)"),
cchPlaceholder, pachPlaceholder);
#undef PLACEHOLDER_ENDS_WITH
/* The placeholder prefix length. The expression is from cchPrefix to cchPlaceholder. */
size_t const cchPrefix = sizeof(g_szPrefixInsertExpr) - 1;
Assert(pachPlaceholder[cchPrefix - 1] == '[');
/*
* Evaluate the expression. We do this regardless of fOutput for now.
*/
RTERRINFOSTATIC ErrInfo;
char *pszValue = NULL;
int vrc = RTExprEvalToString(hEvaluator, &pachPlaceholder[cchPrefix], cchPlaceholder - cchPrefix, &pszValue,
RTErrInfoInitStatic(&ErrInfo));
LogFlowFunc(("RTExprEvalToString(%.*s) -> %Rrc pszValue=%s\n",
cchPlaceholder - cchPrefix, &pachPlaceholder[cchPrefix], vrc, pszValue));
if (RT_SUCCESS(vrc))
{
if (fOutputting)
{
switch (enmEscaping)
{
case kValueEscaping_None:
*ppszValue = pszValue;
pszValue = NULL;
break;
case kValueEscaping_Bourne:
{
const char * const papszArgs[2] = { pszValue, NULL };
vrc = RTGetOptArgvToString(ppszValue, papszArgs, RTGETOPTARGV_CNV_QUOTE_BOURNE_SH);
break;
}
case kValueEscaping_XML_Element:
vrc = RTStrAPrintf(ppszValue, "%RMes", pszValue);
break;
case kValueEscaping_XML_Attribute_Double_Quotes:
vrc = RTStrAPrintf(ppszValue, "%RMas", pszValue);
if (RT_SUCCESS(vrc))
{
/* drop the quotes */
char *pszRet = *ppszValue;
size_t const cchRet = strlen(pszRet) - 2;
memmove(pszRet, &pszRet[1], cchRet);
pszRet[cchRet] = '\0';
}
break;
default:
AssertFailedStmt(vrc = VERR_IPE_NOT_REACHED_DEFAULT_CASE);
break;
}
RTStrFree(pszValue);
if (RT_FAILURE(vrc))
return mpSetError->setErrorVrc(vrc);
}
else
{
*ppszValue = NULL;
RTStrFree(pszValue);
}
}
else
return mpSetError->setErrorBoth(E_FAIL, vrc, tr("Expression evaluation error for '%.*s': %#RTeic"),
cchPlaceholder, pachPlaceholder, &ErrInfo.Core);
return S_OK;
}
HRESULT UnattendedScriptTemplate::resolveConditionalExpr(RTEXPREVAL hEvaluator, const char *pachPlaceholder,
size_t cchPlaceholder, bool *pfOutputting) RT_NOEXCEPT
{
/*
* Check the placeholder tail: @@VBOX_COND[expr]@@
*/
static const char s_szTail[] = "]@@";
if (memcmp(&pachPlaceholder[cchPlaceholder - sizeof(s_szTail) + 1], RT_STR_TUPLE(s_szTail)) != 0)
return mpSetError->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Malformed @@VBOX_COND[expr]@@: Missing ']' (%.*s)"),
cchPlaceholder, pachPlaceholder);
Assert(pachPlaceholder[sizeof(g_szPrefixCondExpr) - 2 ] == '[');
/*
* Evaluate the expression.
*/
RTERRINFOSTATIC ErrInfo;
const char * const pchExpr = &pachPlaceholder[sizeof(g_szPrefixCondExpr) - 1];
size_t const cchExpr = cchPlaceholder - sizeof(g_szPrefixCondExpr) + 1 - sizeof(s_szTail) + 1;
int vrc = RTExprEvalToBool(hEvaluator, pchExpr, cchExpr, pfOutputting, RTErrInfoInitStatic(&ErrInfo));
LogFlowFunc(("RTExprEvalToBool(%.*s) -> %Rrc *pfOutputting=%s\n", cchExpr, pchExpr, vrc, *pfOutputting));
if (RT_SUCCESS(vrc))
return S_OK;
return mpSetError->setErrorBoth(E_FAIL, vrc, tr("Expression evaluation error for '%.*s': %#RTeic"),
cchPlaceholder, pachPlaceholder, &ErrInfo.Core);
}
/*static */ DECLCALLBACK(int)
UnattendedScriptTemplate::queryVariableForExpr(const char *pchName, size_t cchName, void *pvUser, char **ppszValue) RT_NOEXCEPT
{
UnattendedScriptTemplate *pThis = (UnattendedScriptTemplate *)pvUser;
int vrc;
try
{
const char *pszReadOnlyValue = NULL;
Utf8Str strTmp;
vrc = pThis->queryVariable(pchName, cchName, strTmp, ppszValue ? &pszReadOnlyValue : NULL);
if (ppszValue)
{
if (RT_SUCCESS(vrc))
vrc = RTStrDupEx(ppszValue, pszReadOnlyValue);
else
*ppszValue = NULL;
}
}
catch (std::bad_alloc &)
{
vrc = VERR_NO_MEMORY;
*ppszValue = NULL;
}
return vrc;
}
int UnattendedScriptTemplate::queryVariable(const char *pchName, size_t cchName, Utf8Str &rstrTmp, const char **ppszValue)
{
#define IS_MATCH(a_szMatch) \
(cchName == sizeof(a_szMatch) - 1U && memcmp(pchName, a_szMatch, sizeof(a_szMatch) - 1U) == 0)
const char *pszValue;
/*
* Variables
*/
if (IS_MATCH("USER_LOGIN"))
pszValue = mpUnattended->i_getUser().c_str();
else if (IS_MATCH("USER_PASSWORD"))
pszValue = mpUnattended->i_getPassword().c_str();
else if (IS_MATCH("ROOT_PASSWORD"))
pszValue = mpUnattended->i_getPassword().c_str();
else if (IS_MATCH("USER_FULL_NAME"))
pszValue = mpUnattended->i_getFullUserName().c_str();
else if (IS_MATCH("PRODUCT_KEY"))
pszValue = mpUnattended->i_getProductKey().c_str();
else if (IS_MATCH("POST_INSTALL_COMMAND"))
pszValue = mpUnattended->i_getPostInstallCommand().c_str();
else if (IS_MATCH("AUXILIARY_INSTALL_DIR"))
pszValue = mpUnattended->i_getAuxiliaryInstallDir().c_str();
else if (IS_MATCH("IMAGE_INDEX"))
pszValue = rstrTmp.printf("%u", mpUnattended->i_getImageIndex()).c_str();
else if (IS_MATCH("OS_ARCH"))
pszValue = mpUnattended->i_isGuestOs64Bit() ? "amd64" : "x86";
else if (IS_MATCH("OS_ARCH2"))
pszValue = mpUnattended->i_isGuestOs64Bit() ? "x86_64" : "x86";
else if (IS_MATCH("OS_ARCH3"))
pszValue = mpUnattended->i_isGuestOs64Bit() ? "x86_64" : "i386";
else if (IS_MATCH("OS_ARCH4"))
pszValue = mpUnattended->i_isGuestOs64Bit() ? "x86_64" : "i486";
else if (IS_MATCH("OS_ARCH6"))
pszValue = mpUnattended->i_isGuestOs64Bit() ? "x86_64" : "i686";
else if (IS_MATCH("GUEST_OS_VERSION"))
pszValue = mpUnattended->i_getDetectedOSVersion().c_str();
else if (IS_MATCH("GUEST_OS_MAJOR_VERSION"))
{
Utf8Str const &rstrOsVer = mpUnattended->i_getDetectedOSVersion();
size_t offDot = rstrOsVer.find('.');
if (offDot > 0 && offDot != Utf8Str::npos)
pszValue = rstrTmp.assign(rstrOsVer, 0, offDot).c_str(); /* caller catches std::bad_alloc */
else if (!ppszValue)
return VERR_NOT_FOUND;
else
{
mpSetError->setErrorBoth(E_FAIL, VERR_NO_DATA, tr("Unknown guest OS major version '%s'"), rstrOsVer.c_str());
return VERR_NO_DATA;
}
}
else if (IS_MATCH("TIME_ZONE_UX"))
pszValue = mpUnattended->i_getTimeZoneInfo()
? mpUnattended->i_getTimeZoneInfo()->pszUnixName : mpUnattended->i_getTimeZone().c_str();
else if (IS_MATCH("TIME_ZONE_WIN_NAME"))
{
PCRTTIMEZONEINFO pInfo = mpUnattended->i_getTimeZoneInfo();
if (pInfo)
pszValue = pInfo->pszWindowsName ? pInfo->pszWindowsName : "GMT";
else
pszValue = mpUnattended->i_getTimeZone().c_str();
}
else if (IS_MATCH("TIME_ZONE_WIN_INDEX"))
{
PCRTTIMEZONEINFO pInfo = mpUnattended->i_getTimeZoneInfo();
if (pInfo)
pszValue = rstrTmp.printf("%u", pInfo->idxWindows ? pInfo->idxWindows : 85 /*GMT*/).c_str();
else
pszValue = mpUnattended->i_getTimeZone().c_str();
}
else if (IS_MATCH("LOCALE"))
pszValue = mpUnattended->i_getLocale().c_str();
else if (IS_MATCH("DASH_LOCALE"))
{
Assert(mpUnattended->i_getLocale()[2] == '_');
pszValue = rstrTmp.assign(mpUnattended->i_getLocale()).replace(2, 1, "-").c_str();
}
else if (IS_MATCH("LANGUAGE"))
pszValue = mpUnattended->i_getLanguage().c_str();
else if (IS_MATCH("COUNTRY"))
pszValue = mpUnattended->i_getCountry().c_str();
else if (IS_MATCH("HOSTNAME_FQDN"))
pszValue = mpUnattended->i_getHostname().c_str();
else if (IS_MATCH("HOSTNAME_WITHOUT_DOMAIN"))
pszValue = rstrTmp.assign(mpUnattended->i_getHostname(), 0, mpUnattended->i_getHostname().find(".")).c_str();
else if (IS_MATCH("HOSTNAME_WITHOUT_DOMAIN_MAX_15"))
pszValue = rstrTmp.assign(mpUnattended->i_getHostname(), 0, RT_MIN(mpUnattended->i_getHostname().find("."), 15)).c_str();
else if (IS_MATCH("HOSTNAME_DOMAIN"))
pszValue = rstrTmp.assign(mpUnattended->i_getHostname(), mpUnattended->i_getHostname().find(".") + 1).c_str();
else if (IS_MATCH("PROXY"))
pszValue = mpUnattended->i_getProxy().c_str();
/*
* Indicator variables.
*/
else if (IS_MATCH("IS_INSTALLING_ADDITIONS"))
pszValue = mpUnattended->i_getInstallGuestAdditions() ? "1" : "0";
else if (IS_MATCH("IS_USER_LOGIN_ADMINISTRATOR"))
pszValue = mpUnattended->i_getUser().compare("Administrator", RTCString::CaseInsensitive) == 0 ? "1" : "0";
else if (IS_MATCH("IS_INSTALLING_TEST_EXEC_SERVICE"))
pszValue = mpUnattended->i_getInstallTestExecService() ? "1" : "0";
else if (IS_MATCH("HAS_POST_INSTALL_COMMAND"))
pszValue = mpUnattended->i_getPostInstallCommand().isNotEmpty() ? "1" : "0";
else if (IS_MATCH("HAS_PRODUCT_KEY"))
pszValue = mpUnattended->i_getProductKey().isNotEmpty() ? "1" : "0";
else if (IS_MATCH("IS_MINIMAL_INSTALLATION"))
pszValue = mpUnattended->i_isMinimalInstallation() ? "1" : "0";
else if (IS_MATCH("IS_FIRMWARE_UEFI"))
pszValue = mpUnattended->i_isFirmwareEFI() ? "1" : "0";
else if (IS_MATCH("IS_RTC_USING_UTC"))
pszValue = mpUnattended->i_isRtcUsingUtc() ? "1" : "0";
else if (IS_MATCH("HAS_PROXY"))
pszValue = mpUnattended->i_getProxy().isNotEmpty() ? "1" : "0";
/*
* Unknown variable.
*/
else if (!ppszValue)
return VERR_NOT_FOUND;
else
{
mpSetError->setErrorBoth(E_FAIL, VERR_NOT_FOUND, tr("Unknown variable '%.*s'"), cchName, pchName);
return VERR_NO_DATA;
}
if (ppszValue)
*ppszValue = pszValue;
return VINF_SUCCESS;
}
HRESULT UnattendedScriptTemplate::getConditional(const char *pachPlaceholder, size_t cchPlaceholder, bool *pfOutputting)
{
#define IS_PLACEHOLDER_MATCH(a_szMatch) \
( cchPlaceholder == sizeof("@@VBOX_COND_" a_szMatch "@@") - 1U \
&& memcmp(pachPlaceholder, "@@VBOX_COND_" a_szMatch "@@", sizeof("@@VBOX_COND_" a_szMatch "@@") - 1U) == 0)
/* Install Guest Additions: */
if (IS_PLACEHOLDER_MATCH("IS_INSTALLING_ADDITIONS"))
*pfOutputting = mpUnattended->i_getInstallGuestAdditions();
else if (IS_PLACEHOLDER_MATCH("IS_NOT_INSTALLING_ADDITIONS"))
*pfOutputting = !mpUnattended->i_getInstallGuestAdditions();
/* User == Administrator: */
else if (IS_PLACEHOLDER_MATCH("IS_USER_LOGIN_ADMINISTRATOR"))
*pfOutputting = mpUnattended->i_getUser().compare("Administrator", RTCString::CaseInsensitive) == 0;
else if (IS_PLACEHOLDER_MATCH("IS_USER_LOGIN_NOT_ADMINISTRATOR"))
*pfOutputting = mpUnattended->i_getUser().compare("Administrator", RTCString::CaseInsensitive) != 0;
/* Install TXS: */
else if (IS_PLACEHOLDER_MATCH("IS_INSTALLING_TEST_EXEC_SERVICE"))
*pfOutputting = mpUnattended->i_getInstallTestExecService();
else if (IS_PLACEHOLDER_MATCH("IS_NOT_INSTALLING_TEST_EXEC_SERVICE"))
*pfOutputting = !mpUnattended->i_getInstallTestExecService();
/* Post install command: */
else if (IS_PLACEHOLDER_MATCH("HAS_POST_INSTALL_COMMAND"))
*pfOutputting = mpUnattended->i_getPostInstallCommand().isNotEmpty();
else if (IS_PLACEHOLDER_MATCH("HAS_NO_POST_INSTALL_COMMAND"))
*pfOutputting = mpUnattended->i_getPostInstallCommand().isEmpty();
/* Product key: */
else if (IS_PLACEHOLDER_MATCH("HAS_PRODUCT_KEY"))
*pfOutputting = mpUnattended->i_getProductKey().isNotEmpty();
else if (IS_PLACEHOLDER_MATCH("HAS_NO_PRODUCT_KEY"))
*pfOutputting = mpUnattended->i_getProductKey().isEmpty();
/* Minimal installation: */
else if (IS_PLACEHOLDER_MATCH("IS_MINIMAL_INSTALLATION"))
*pfOutputting = mpUnattended->i_isMinimalInstallation();
else if (IS_PLACEHOLDER_MATCH("IS_NOT_MINIMAL_INSTALLATION"))
*pfOutputting = !mpUnattended->i_isMinimalInstallation();
/* Is firmware UEFI: */
else if (IS_PLACEHOLDER_MATCH("IS_FIRMWARE_UEFI"))
*pfOutputting = mpUnattended->i_isFirmwareEFI();
else if (IS_PLACEHOLDER_MATCH("IS_NOT_FIRMWARE_UEFI"))
*pfOutputting = !mpUnattended->i_isFirmwareEFI();
/* Is RTC using UTC (i.e. set to UTC time on startup): */
else if (IS_PLACEHOLDER_MATCH("IS_RTC_USING_UTC"))
*pfOutputting = mpUnattended->i_isRtcUsingUtc();
else if (IS_PLACEHOLDER_MATCH("IS_NOT_RTC_USING_UTC"))
*pfOutputting = !mpUnattended->i_isRtcUsingUtc();
else if (IS_PLACEHOLDER_MATCH("HAS_PROXY"))
*pfOutputting = mpUnattended->i_getProxy().isNotEmpty();
else if (IS_PLACEHOLDER_MATCH("AVOID_UPDATES_OVER_NETWORK"))
*pfOutputting = mpUnattended->i_getAvoidUpdatesOverNetwork();
else
return mpSetError->setErrorBoth(E_FAIL, VERR_NOT_FOUND, tr("Unknown conditional placeholder '%.*s'"),
cchPlaceholder, pachPlaceholder);
return S_OK;
#undef IS_PLACEHOLDER_MATCH
}
#endif /* VBOX_WITH_UNATTENDED */
#if 0 /* Keeping this a reference */
/*********************************************************************************************************************************
* UnattendedSUSEXMLScript Implementation *
*********************************************************************************************************************************/
HRESULT UnattendedSUSEXMLScript::parse()
{
HRESULT hrc = UnattendedXMLScript::parse();
if (SUCCEEDED(hrc))
{
/*
* Check that we've got the right root element type.
*/
const xml::ElementNode *pelmRoot = mDoc.getRootElement();
if ( pelmRoot
&& strcmp(pelmRoot->getName(), "profile") == 0)
{
/*
* Work thought the sections.
*/
try
{
LoopThruSections(pelmRoot);
hrc = S_OK;
}
catch (std::bad_alloc &)
{
hrc = E_OUTOFMEMORY;
}
}
else if (pelmRoot)
hrc = mpSetError->setError(E_FAIL, tr("XML document root element is '%s' instead of 'profile'"),
pelmRoot->getName());
else
hrc = mpSetError->setError(E_FAIL, tr("Missing XML root element"));
}
return hrc;
}
HRESULT UnattendedSUSEXMLScript::setFieldInElement(xml::ElementNode *pElement, const DataId enmDataId, const Utf8Str &rStrValue)
{
/*
* Don't set empty values.
*/
if (rStrValue.isEmpty())
{
Utf8Str strProbableValue;
try
{
strProbableValue = createProbableValue(enmDataId, pElement);
}
catch (std::bad_alloc &)
{
return E_OUTOFMEMORY;
}
return UnattendedXMLScript::setFieldInElement(pElement, enmDataId, strProbableValue);
}
return UnattendedXMLScript::setFieldInElement(pElement, enmDataId, rStrValue);
}
HRESULT UnattendedSUSEXMLScript::LoopThruSections(const xml::ElementNode *pelmRoot)
{
xml::NodesLoop loopChildren(*pelmRoot);
const xml::ElementNode *pelmOuterLoop;
while ((pelmOuterLoop = loopChildren.forAllNodes()) != NULL)
{
const char *pcszElemName = pelmOuterLoop->getName();
if (!strcmp(pcszElemName, "users"))
{
xml::NodesLoop loopUsers(*pelmOuterLoop);
const xml::ElementNode *pelmUser;
while ((pelmUser = loopUsers.forAllNodes()) != NULL)
{
HRESULT hrc = HandleUserAccountsSection(pelmUser);
if (FAILED(hrc))
return hrc;
}
}
}
return S_OK;
}
HRESULT UnattendedSUSEXMLScript::HandleUserAccountsSection(const xml::ElementNode *pelmSection)
{
xml::NodesLoop loopUser(*pelmSection);
const xml::ElementNode *pelmCur;
while ((pelmCur = loopUser.forAllNodes()) != NULL)
{
const char *pszValue = pelmCur->getValue();
#ifdef LOG_ENABLED
if (!RTStrCmp(pelmCur->getName(), "uid"))
LogRelFunc(("UnattendedSUSEXMLScript::HandleUserAccountsSection profile/users/%s/%s = %s\n",
pelmSection->getName(), pelmCur->getName(), pszValue));
#endif
if (!RTStrCmp(pszValue, "$homedir"))
mNodesForCorrectionMap.insert(make_pair(USERHOMEDIR_ID, pelmCur));
if (!RTStrCmp(pszValue, "$user"))
mNodesForCorrectionMap.insert(make_pair(USERNAME_ID, pelmCur));
if (!RTStrCmp(pszValue, "$password"))
mNodesForCorrectionMap.insert(make_pair(USERPASSWORD_ID, pelmCur));
}
return S_OK;
}
Utf8Str UnattendedSUSEXMLScript::createProbableValue(const DataId enmDataId, const xml::ElementNode *pCurElem)
{
const xml::ElementNode *pElem = pCurElem;
switch (enmDataId)
{
case USERHOMEDIR_ID:
// if ((pElem = pElem->findChildElement("home")))
// {
return createProbableUserHomeDir(pElem);
// }
break;
default:
break;
}
return Utf8Str::Empty;
}
Utf8Str UnattendedSUSEXMLScript::createProbableUserHomeDir(const xml::ElementNode *pCurElem)
{
Utf8Str strCalcValue;
const xml::ElementNode *pElem = pCurElem->findNextSibilingElement("username");
if (pElem)
{
const char *pszValue = pElem->getValue();
strCalcValue = "/home/";
strCalcValue.append(pszValue);
}
return strCalcValue;
}
#endif /* just for reference */
|