VirtualBox

source: vbox/trunk/src/VBox/Main/src-server/UnattendedOs2Installer.cpp@ 94173

Last change on this file since 94173 was 93122, checked in by vboxsync, 3 years ago

Main/UnattendedOs2Install: More updates.
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1/* $Id: UnattendedOs2Installer.cpp 93122 2022-01-04 03:03:10Z vboxsync $ */
2/** @file
3 * UnattendedOs2Installer implementation.
4 */
5
6/*
7 * Copyright (C) 2006-2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_MAIN_UNATTENDED
23#include "LoggingNew.h"
24#include "VirtualBoxBase.h"
25#include "VirtualBoxErrorInfoImpl.h"
26#include "AutoCaller.h"
27#include <VBox/com/ErrorInfo.h>
28
29#include "UnattendedImpl.h"
30#include "UnattendedInstaller.h"
31#include "UnattendedScript.h"
32
33#include <VBox/err.h>
34#include <iprt/ctype.h>
35#include <iprt/fsisomaker.h>
36#include <iprt/fsvfs.h>
37#include <iprt/file.h>
38#include <iprt/path.h>
39#include <iprt/stream.h>
40#include <iprt/vfs.h>
41#ifdef RT_OS_SOLARIS
42# undef ES /* Workaround for someone dragging the namespace pollutor sys/regset.h. Sigh. */
43#endif
44#include <iprt/formats/fat.h>
45#include <iprt/cpp/path.h>
46
47
48using namespace std;
49
50
51
52UnattendedOs2Installer::UnattendedOs2Installer(Unattended *pParent, Utf8Str const &rStrHints)
53 : UnattendedInstaller(pParent,
54 "os2_response_files.rsp", "os2_cid_install.cmd",
55 "os2_response_files.rsp", "VBOXCID.CMD",
56 DeviceType_Floppy)
57{
58 Assert(!isOriginalIsoNeeded());
59 Assert(isAuxiliaryFloppyNeeded());
60 Assert(isAuxiliaryIsoIsVISO());
61 Assert(bootFromAuxiliaryIso());
62 mStrAuxiliaryInstallDir = "S:\\";
63
64 /* Extract the info from the hints variable: */
65 RTCList<RTCString, RTCString *> Pairs = rStrHints.split(" ");
66 size_t i = Pairs.size();
67 Assert(i > 0);
68 while (i -- > 0)
69 {
70 RTCString const rStr = Pairs[i];
71 if (rStr.startsWith("OS2SE20.SRC="))
72 mStrOs2Images = rStr.substr(sizeof("OS2SE20.SRC=") - 1);
73 else
74 AssertMsgFailed(("Unknown hint: %s\n", rStr.c_str()));
75 }
76}
77
78
79HRESULT UnattendedOs2Installer::replaceAuxFloppyImageBootSector(RTVFSFILE hVfsFile) RT_NOEXCEPT
80{
81 /*
82 * Find the bootsector. Because the ArcaOS ISOs doesn't contain any floppy
83 * images, we cannot just lift it off one of those. Instead we'll locate it
84 * in the SYSINSTX.COM utility, i.e. the tool which installs it onto floppies
85 * and harddisks. The SYSINSTX.COM utility is a NE executable and we don't
86 * have issues with compressed pages like with LX images.
87 *
88 * The utility seems always to be located on disk 0.
89 */
90 RTVFS hVfsOrgIso;
91 HRESULT hrc = openInstallIsoImage(&hVfsOrgIso);
92 if (SUCCEEDED(hrc))
93 {
94 char szPath[256];
95 int vrc = RTPathJoin(szPath, sizeof(szPath), mStrOs2Images.c_str(), "DISK_0/SYSINSTX.COM");
96 if (RT_SUCCESS(vrc))
97 {
98 RTVFSFILE hVfsSysInstX;
99 vrc = RTVfsFileOpen(hVfsOrgIso, szPath, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE, &hVfsSysInstX);
100 if (RT_SUCCESS(vrc))
101 {
102 /*
103 * Scan the image looking for a 512 block ending with a DOS signature
104 * and starting with a three byte jump followed by an OEM name string.
105 */
106 uint8_t *pbBootSector = NULL;
107 RTFOFF off = 0;
108 bool fEof = false;
109 uint8_t abBuf[_8K] = {0};
110 do
111 {
112 /* Read the next chunk. */
113 memmove(abBuf, &abBuf[sizeof(abBuf) - 512], 512); /* Move up the last 512 (all zero the first time around). */
114 size_t cbRead = 0;
115 vrc = RTVfsFileReadAt(hVfsSysInstX, off, &abBuf[512], sizeof(abBuf) - 512, &cbRead);
116 if (RT_FAILURE(vrc))
117 break;
118 fEof = cbRead != sizeof(abBuf) - 512;
119 off += cbRead;
120
121 /* Scan it. */
122 size_t cbLeft = sizeof(abBuf);
123 uint8_t *pbCur = abBuf;
124 while (cbLeft >= 512)
125 {
126 /* Look for the DOS signature (0x55 0xaa) at the end of the sector: */
127 uint8_t *pbHit = (uint8_t *)memchr(pbCur + 510, 0x55, cbLeft - 510 - 1);
128 if (!pbHit)
129 break;
130 if (pbHit[1] == 0xaa)
131 {
132 uint8_t *pbStart = pbHit - 510;
133 if ( pbStart[0] == 0xeb /* JMP imm8 */
134 && pbStart[1] >= 3 + 8 + sizeof(FATEBPB) - 2 /* must jump after the FATEBPB */
135 && RT_C_IS_ALNUM(pbStart[3]) /* ASSUME OEM string starts with two letters (typically 'IBM x.y')*/
136 && RT_C_IS_ALNUM(pbStart[4]))
137 {
138 FATEBPB *pBpb = (FATEBPB *)&pbStart[3 + 8];
139 if ( pBpb->bExtSignature == FATEBPB_SIGNATURE
140 && ( memcmp(pBpb->achType, "FAT ", sizeof(pBpb->achType)) == 0
141 || memcmp(pBpb->achType, FATEBPB_TYPE_FAT12, sizeof(pBpb->achType)) == 0))
142 {
143 pbBootSector = pbStart;
144 break;
145 }
146 }
147 }
148
149 /* skip */
150 pbCur = pbHit - 510 + 1;
151 cbLeft = (uintptr_t)&abBuf[sizeof(abBuf)] - (uintptr_t)pbCur;
152 }
153 } while (!fEof);
154
155 if (pbBootSector)
156 {
157 if (pbBootSector != abBuf)
158 pbBootSector = (uint8_t *)memmove(abBuf, pbBootSector, 512);
159
160 /*
161 * We've now got a bootsector. So, we need to copy the EBPB
162 * from the destination image before replacing it.
163 */
164 vrc = RTVfsFileReadAt(hVfsFile, 0, &abBuf[512], 512, NULL);
165 if (RT_SUCCESS(vrc))
166 {
167 memcpy(&pbBootSector[3 + 8], &abBuf[512 + 3 + 8], sizeof(FATEBPB));
168
169 /*
170 * Write it.
171 */
172 vrc = RTVfsFileWriteAt(hVfsFile, 0, pbBootSector, 512, NULL);
173 if (RT_SUCCESS(vrc))
174 {
175 LogFlowFunc(("Successfully installed new bootsector\n"));
176 hrc = S_OK;
177 }
178 else
179 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to write bootsector: %Rrc"), vrc);
180 }
181 else
182 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to read bootsector: %Rrc"), vrc);
183 }
184 else if (RT_FAILURE(vrc))
185 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Error reading SYSINSTX.COM: %Rrc"), vrc);
186 else
187 hrc = mpParent->setErrorBoth(E_FAIL, VERR_NOT_FOUND,
188 tr("Unable to locate bootsector template in SYSINSTX.COM"));
189 RTVfsFileRelease(hVfsSysInstX);
190 }
191 else
192 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to open SYSINSTX.COM: %Rrc"), vrc);
193 }
194 else
195 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to construct SYSINSTX.COM path"));
196 RTVfsRelease(hVfsOrgIso);
197 }
198 return hrc;
199
200}
201
202HRESULT UnattendedOs2Installer::newAuxFloppyImage(const char *pszFilename, bool fOverwrite, PRTVFSFILE phVfsFile)
203{
204 /*
205 * Open the image file.
206 */
207 HRESULT hrc;
208 RTVFSFILE hVfsFile;
209 uint64_t fOpen = RTFILE_O_READWRITE | RTFILE_O_DENY_ALL | (0660 << RTFILE_O_CREATE_MODE_SHIFT);
210 if (fOverwrite)
211 fOpen |= RTFILE_O_CREATE_REPLACE;
212 else
213 fOpen |= RTFILE_O_OPEN;
214 int vrc = RTVfsFileOpenNormal(pszFilename, fOpen, &hVfsFile);
215 if (RT_SUCCESS(vrc))
216 {
217 /*
218 * Format it.
219 */
220 vrc = RTFsFatVolFormat288(hVfsFile, false /*fQuick*/);
221 if (RT_SUCCESS(vrc))
222 {
223 /*
224 * Now we install the OS/2 boot sector on it.
225 */
226 hrc = replaceAuxFloppyImageBootSector(hVfsFile);
227 if (SUCCEEDED(hrc))
228 {
229 *phVfsFile = hVfsFile;
230 LogRelFlow(("UnattendedInstaller::newAuxFloppyImage: created and formatted '%s'\n", pszFilename));
231 return S_OK;
232 }
233 }
234 else
235 hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("Failed to format floppy image '%s': %Rrc"), pszFilename, vrc);
236 RTVfsFileRelease(hVfsFile);
237 RTFileDelete(pszFilename);
238 }
239 else
240 hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("Failed to create floppy image '%s': %Rrc"), pszFilename, vrc);
241 return hrc;
242}
243
244
245HRESULT UnattendedOs2Installer::splitResponseFile() RT_NOEXCEPT
246{
247 if (mVecSplitFiles.size() == 0)
248 {
249#if 0
250 Utf8Str strResponseFile;
251 int vrc = strResponseFile.assignNoThrow(mpParent->i_getAuxiliaryBasePath());
252 if (RT_SUCCESS(vrc))
253 vrc = strResponseFile.appendNoThrow(mMainScript.getDefaultFilename());
254 if (RT_SUCCESS(vrc))
255 return splitFile(strResponseFile.c_str(), mVecSplitFiles);
256 return mpParent->setErrorVrc(vrc);
257#else
258 return splitFile(&mMainScript, mVecSplitFiles);
259#endif
260 }
261 return S_OK;
262}
263
264/**
265 * OS/2 code pattern.
266 */
267typedef struct OS2CODEPATTERN
268{
269 /** The code pattern. */
270 uint8_t const *pbPattern;
271 /** The mask to apply when using the pattern (ignore 0x00 bytes, compare 0xff
272 * bytes). */
273 uint8_t const *pbMask;
274 /** The pattern size. */
275 size_t cb;
276 /** User info \#1. */
277 uintptr_t uUser1;
278 /** User info \#2. */
279 uint32_t uUser2;
280 /** User info \#3. */
281 uint32_t uUser3;
282 /** User info \#4. */
283 uint32_t uUser4;
284 /** User info \#5. */
285 uint32_t uUser5;
286} OS2CODEPATTERN;
287/** Pointer to an OS/2 code pattern. */
288typedef OS2CODEPATTERN const *PCOS2CODEPATTERN;
289
290
291/**
292 * Search @a pbCode for the code patterns in @a paPatterns.
293 *
294 * @returns pointer within @a pbCode to matching code, NULL if no match.
295 */
296static uint8_t *findCodePattern(PCOS2CODEPATTERN paPatterns, size_t cPatterns, uint8_t *pbCode, size_t cbCode,
297 PCOS2CODEPATTERN *ppMatch)
298{
299 for (size_t i = 0; i < cPatterns; i++)
300 {
301 size_t const cbPattern = paPatterns[i].cb;
302 uint8_t const *pbPattern = paPatterns[i].pbPattern;
303 uint8_t const *pbMask = paPatterns[i].pbMask;
304 Assert(pbMask[0] == 0xff); /* ASSUME the we can use the first byte with memchr. */
305 uint8_t const bFirst = *pbPattern;
306 size_t off = 0;
307 while (off + cbPattern <= cbCode)
308 {
309 uint8_t *pbHit = (uint8_t *)memchr(&pbCode[off], bFirst, cbCode - off - cbPattern + 1);
310 if (!pbHit)
311 break;
312
313 size_t offPattern = 1;
314 while ( offPattern < cbPattern
315 && (pbPattern[offPattern] & pbMask[offPattern]) == (pbHit[offPattern] & pbMask[offPattern]))
316 offPattern++;
317 if (offPattern == cbPattern)
318 {
319 *ppMatch = &paPatterns[i];
320 return pbHit;
321 }
322
323 /* next */
324 off++;
325 }
326 }
327 return NULL;
328}
329
330#if 0
331/**
332 * Patcher callback for TESTCFG.SYS.
333 *
334 * This is for debugging a mysterious DS corruption issue happening on an AMD
335 * 3990x host.
336 *
337 * @verbatim
338dbgf event/0: xcpt_gp - #GP (general protection fault)! arg=0x1d8
339VBoxDbg> r
340eax=00000001 ebx=00dc0000 ecx=56d80000 edx=178b0000 esi=ffde0100 edi=feff44e4
341eip=00000124 esp=00000f76 ebp=0000dbf3 iopl=3 nv up ei pl nz na po nc
342cs=0763 ds=01db es=0130 fs=0000 gs=0000 ss=001f eflags=00003206
3430763:00000124 cb retf
344VBoxDbg> dw ss:sp
345001f:00000f76: 0549 075b 03e4 0000-0fb8 04b9 44e4 0130
346VBoxDbg> u cs:fc
3470763:000000fc 55 push bp
3480763:000000fd 8b ec mov bp, sp
3490763:000000ff 53 push bx
3500763:00000100 51 push cx
3510763:00000101 52 push dx
3520763:00000102 1e push DS
3530763:00000103 33 c9 xor cx, cx
3540763:00000105 b0 10 mov AL, 010h
3550763:00000107 b2 24 mov DL, 024h
3560763:00000109 ff 1e 22 00 call far [00022h]
3570763:0000010d 72 0e jc +00eh (0011dh)
3580763:0000010f 50 push ax
3590763:00000110 1f pop DS
3600763:00000111 f7 47 06 03 00 test word [bx+006h], 00003h
3610763:00000116 74 05 je +005h (0011dh)
3620763:00000118 b8 01 00 mov ax, 00001h
3630763:0000011b eb 02 jmp +002h (0011fh)
3640763:0000011d 33 c0 xor ax, ax
3650763:0000011f 1f pop DS
3660763:00000120 5a pop dx
3670763:00000121 59 pop cx
3680763:00000122 5b pop bx
3690763:00000123 5d pop bp
3700763:00000124 cb retf
371VBoxDbg> dw ss:sp - 5*2 L8
372001f:00000f6c: 0750 082a 220e 44e4-0f7e 0549 075b 03e4
373 * @endverbatim
374 *
375 * We end up with a \#GP on the RETF, but the stack frame is a valid 075b:0549
376 * return address (in TESTCFG's first code segment). The error code is 0x1d8,
377 * which makes no sense. DS contains 0x1db, which could be related, however it
378 * is the *wrong* value as seen by the stack restore frame above, it was just
379 * restored as 0750 (TESTCFG data segment).
380 *
381 * The patching here aim at modifying to code to try figure out what might
382 * trigger the bogus DS and \#GP(0x1d8).
383 *
384 * P.S. There are no exits or event injections taking place when DS gets
385 * corrupt, the last exit was a CR0 read in OS2KRNL's DOSSEG (0120:1798)
386 * probably related to we comming back to protected mode from real mode as we
387 * just made an APM BIOS call.
388 *
389 * Update: The values loaded off the stack aren't the ones ending up the
390 * registers, so that might explain why this goes south.
391 *
392 * @sa ticketref:20625
393 */
394/*static*/
395int UnattendedOs2Installer::patchTestCfg(uint8_t *pbFile, size_t cbFile, const char *pszFilename, UnattendedOs2Installer *pThis)
396{
397 RT_NOREF(pThis, pszFilename);
398
399 static uint8_t const s_abVariant1[] =
400 {
401 /*0763:00fc*/ 0x55, /* push bp */
402 /*0763:00fd*/ 0x8b, 0xec, /* mov bp, sp */
403 /*0763:00ff*/ 0x53, /* push bx */
404 /*0763:0100*/ 0x51, /* push cx */
405 /*0763:0101*/ 0x52, /* push dx */
406 /*0763:0102*/ 0x1e, /* push DS */
407 /*0763:0103*/ 0x33, 0xc9, /* xor cx, cx */
408 /*0763:0105*/ 0xb0, 0x10, /* mov AL, 010h */
409 /*0763:0107*/ 0xb2, 0x24, /* mov DL, 024h */
410 /*0763:0109*/ 0xff, 0x1e, 0x22, 0x00, /* call far [00022h] */
411 /*0763:010d*/ 0x72, 0x0e, /* jc +00eh (0011dh) */
412 /*0763:010f*/ 0x50, /* push ax */
413 /*0763:0110*/ 0x1f, /* pop DS */
414 /*0763:0111*/ 0xf7, 0x47, 0x06, 0x03, 0x00, /* test word [bx+006h], 00003h */
415 /*0763:0116*/ 0x74, 0x05, /* je +005h (0011dh) */
416 /*0763:0118*/ 0xb8, 0x01, 0x00, /* mov ax, 00001h */
417 /*0763:011b*/ 0xeb, 0x02, /* jmp +002h (0011fh) */
418 /*0763:011d*/ 0x33, 0xc0, /* xor ax, ax */
419 /*0763:011f*/ 0x1f, /* pop DS */
420 /*0763:0120*/ 0x5a, /* pop dx */
421 /*0763:0121*/ 0x59, /* pop cx */
422 /*0763:0122*/ 0x5b, /* pop bx */
423 /*0763:0123*/ 0x5d, /* pop bp */
424 /*0763:0124*/ 0xcb, /* retf */
425 };
426 static uint8_t const s_abVariant1Mask[] =
427 {
428 /*0763:00fc*/ 0xff, /* push bp */
429 /*0763:00fd*/ 0xff, 0xec, /* mov bp, sp */
430 /*0763:00ff*/ 0xff, /* push bx */
431 /*0763:0100*/ 0xff, /* push cx */
432 /*0763:0101*/ 0xff, /* push dx */
433 /*0763:0102*/ 0xff, /* push DS */
434 /*0763:0103*/ 0xff, 0xff, /* xor cx, cx */
435 /*0763:0105*/ 0xff, 0xff, /* mov AL, 010h */
436 /*0763:0107*/ 0xff, 0xff, /* mov DL, 024h */
437 /*0763:0109*/ 0xff, 0xff, 0x00, 0x00, /* call far [00022h] */
438 /*0763:010d*/ 0xff, 0xff, /* jc +00eh (0011dh) */
439 /*0763:010f*/ 0xff, /* push ax */
440 /*0763:0110*/ 0xff, /* pop DS */
441 /*0763:0111*/ 0xff, 0xff, 0xff, 0xff, 0xff, /* test word [bx+006h], 00003h */
442 /*0763:0116*/ 0xff, 0xff, /* je +005h (0011dh) */
443 /*0763:0118*/ 0xff, 0xff, 0xff, /* mov ax, 00001h */
444 /*0763:011b*/ 0xff, 0xff, /* jmp +002h (0011fh) */
445 /*0763:011d*/ 0xff, 0xff, /* xor ax, ax */
446 /*0763:011f*/ 0xff, /* pop DS */
447 /*0763:0120*/ 0xff, /* pop dx */
448 /*0763:0121*/ 0xff, /* pop cx */
449 /*0763:0122*/ 0xff, /* pop bx */
450 /*0763:0123*/ 0xff, /* pop bp */
451 /*0763:0124*/ 0xff, /* retf */
452 };
453 AssertCompile(sizeof(s_abVariant1Mask) == sizeof(s_abVariant1));
454
455 /* uUser1 = off to start modifying the code; */
456 static const OS2CODEPATTERN s_aPatterns[] =
457 {
458 { s_abVariant1, s_abVariant1Mask, sizeof(s_abVariant1Mask), 0x010d - 0x00fc, 0, 0, 0, 0 },
459 };
460
461 PCOS2CODEPATTERN pPattern;
462 uint8_t *pbHit = findCodePattern(&s_aPatterns[0], RT_ELEMENTS(s_aPatterns), pbFile, cbFile, &pPattern);
463 if (pPattern)
464 {
465 /* We've got */
466 uint8_t *pbPatch = &pbHit[pPattern->uUser1];
467#if 0 /* this seems to fix the issue */
468 *pbPatch++ = 0xe6; /* out 78h, al - triggers an exit */
469 *pbPatch++ = 0x78;
470#elif 0 /* this seems to fix it too */
471 *pbPatch++ = 0xf3; /* pause */
472 *pbPatch++ = 0x90;
473#elif 0 /* still reproducible with normal nops. */
474 *pbPatch++ = 0x90;
475 *pbPatch++ = 0x90;
476#else
477# if 0
478 /*0763:010d*/ 0x72, 0x0e, /* jc +00eh (0011dh) */
479 /*0763:010f*/ 0x50, /* push ax */
480 /*0763:0110*/ 0x1f, /* pop DS */
481 /*0763:0111*/ 0xf7, 0x47, 0x06, 0x03, 0x00, /* test word [bx+006h], 00003h */
482 /*0763:0116*/ 0x74, 0x05, /* je +005h (0011dh) */
483 /*0763:0118*/ 0xb8, 0x01, 0x00, /* mov ax, 00001h */
484 /*0763:011b*/ 0xeb, 0x02, /* jmp +002h (0011fh) */
485 /*0763:011d*/ 0x33, 0xc0, /* xor ax, ax */
486 /*0763:011f*/ 0x1f, /* pop DS */
487 /*0763:0120*/ 0x5a, /* pop dx */
488 /*0763:0121*/ 0x59, /* pop cx */
489 /*0763:0122*/ 0x5b, /* pop bx */
490 /*0763:0123*/ 0x5d, /* pop bp */
491 /*0763:0124*/ 0xcb, /* retf */
492# endif
493 /* Try straigthen out the code and mabye load DS into AX (we don't care about the return value) */
494 *pbPatch++ = 0x50; /* push ax */
495 *pbPatch++ = 0x1f; /* pop DS */
496
497 *pbPatch++ = 0xf7; /* test word [bx+006h], 00003h */
498 *pbPatch++ = 0x47;
499 *pbPatch++ = 0x06;
500 *pbPatch++ = 0x03;
501 *pbPatch++ = 0x00;
502 /* not je */
503 *pbPatch++ = 0xb8; /* mov ax, 00001h */
504 *pbPatch++ = 0x01;
505 *pbPatch++ = 0x00;
506
507# if 0 /* try reload SS */
508 *pbPatch++ = 0x8c; /* mov ax, ss */
509 *pbPatch++ = 0xd0;
510 *pbPatch++ = 0x8e; /* mov ss, ax */
511 *pbPatch++ = 0xd0;
512# endif
513# if 0 /* try reload CR3 to flush everything - not possible, we're in ring-3 */
514 *pbPatch++ = 0x0f; /* mov eax, cr3 */
515 *pbPatch++ = 0x20;
516 *pbPatch++ = 0xd8;
517 *pbPatch++ = 0x0f; /* mov cr3, eax */
518 *pbPatch++ = 0x22;
519 *pbPatch++ = 0xd8;
520# endif
521
522 *pbPatch++ = 0x1f; /* pop DS */
523# if 0
524 *pbPatch++ = 0x8c; /* mov ax, ds */
525 *pbPatch++ = 0xd8;
526# endif
527 *pbPatch++ = 0x5a; /* pop dx */
528 *pbPatch++ = 0x59; /* pop cx */
529 *pbPatch++ = 0x5b; /* pop bx */
530 *pbPatch++ = 0x5d; /* pop bp */
531 *pbPatch++ = 0xcb; /* retf */
532
533#endif
534 }
535 else
536 {
537 LogRelFunc(("No patch pattern match!\n"));
538 return VERR_NOT_FOUND;
539 }
540
541 return VINF_SUCCESS;
542}
543#endif
544
545
546/**
547 * Patcher callback for OS2LDR.
548 *
549 * There are one or two delay calibration loops here that doesn't work well on
550 * fast CPUs. Typically ends up with division by chainsaw, which in a BIOS
551 * context means an unending loop as the BIOS \#DE handler doesn't do much.
552 *
553 * The patching is simplictic, in that it just returns a constant value. We
554 * could rewrite this to use RDTSC and some secret MSR/whatever for converting
555 * that to a decent loop count.
556 */
557/*static*/
558int UnattendedOs2Installer::patchOs2Ldr(uint8_t *pbFile, size_t cbFile, const char *pszFilename, UnattendedOs2Installer *pThis)
559{
560 RT_NOREF(pThis, pszFilename);
561
562 /*
563 * This first variant is from ACP2:
564 *
565 * VBoxDbg> r
566 * eax=00001000 ebx=00010000 ecx=56d8ffd5 edx=178b0000 esi=00000000 edi=0000b750
567 * eip=0000847a esp=0000cfe8 ebp=00000000 iopl=0 nv up ei pl zr na po nc
568 * cs=2000 ds=2000 es=2000 fs=0000 gs=0000 ss=2000 eflags=00000246
569 * 2000:0000847a f7 fb idiv bx
570 * VBoxDbg> ucfg 2000:840a
571 *
572 * This is a little annoying because it stores the result in a global variable,
573 * so we cannot just do an early return, instead we have to have to jump to the
574 * end of the function so it can be stored correctly.
575 */
576 static uint8_t const s_abVariant1[] =
577 {
578 /*2000:840a*/ 0x60, /* pushaw */
579 /*2000:840b*/ 0x1e, /* push DS */
580 /*2000:840c*/ 0x0e, /* push CS */
581 /*2000:840d*/ 0x1f, /* pop DS */
582 /*2000:840e*/ 0x9c, /* pushfw */
583 /*2000:840f*/ 0xfa, /* cli */
584 /*2000:8410*/ 0xb0, 0x34, /* mov AL, 034h */
585 /*2000:8412*/ 0xe6, 0x43, /* out 043h, AL */
586 /*2000:8414*/ 0xe8, 0x75, 0xfc, /* call 0808ch */
587 /*2000:8417*/ 0x32, 0xc0, /* xor al, al */
588 /*2000:8419*/ 0xe6, 0x40, /* out 040h, AL */
589 /*2000:841b*/ 0xe8, 0x6e, 0xfc, /* call 0808ch */
590 /*2000:841e*/ 0xe6, 0x40, /* out 040h, AL */
591 /*2000:8420*/ 0xe8, 0x69, 0xfc, /* call 0808ch */
592 /*2000:8423*/ 0xb0, 0x00, /* mov AL, 000h */
593 /*2000:8425*/ 0xe6, 0x43, /* out 043h, AL */
594 /*2000:8427*/ 0xe8, 0x62, 0xfc, /* call 0808ch */
595 /*2000:842a*/ 0xe4, 0x40, /* in AL, 040h */
596 /*2000:842c*/ 0xe8, 0x5d, 0xfc, /* call 0808ch */
597 /*2000:842f*/ 0x8a, 0xd8, /* mov bl, al */
598 /*2000:8431*/ 0xe4, 0x40, /* in AL, 040h */
599 /*2000:8433*/ 0x8a, 0xf8, /* mov bh, al */
600 /*2000:8435*/ 0xb0, 0x00, /* mov AL, 000h */
601 /*2000:8437*/ 0xe6, 0x43, /* out 043h, AL */
602 /*2000:8439*/ 0xe8, 0x50, 0xfc, /* call 0808ch */
603 /*2000:843c*/ 0xe4, 0x40, /* in AL, 040h */
604 /*2000:843e*/ 0xe8, 0x4b, 0xfc, /* call 0808ch */
605 /*2000:8441*/ 0x8a, 0xc8, /* mov cl, al */
606 /*2000:8443*/ 0xe4, 0x40, /* in AL, 040h */
607 /*2000:8445*/ 0x8a, 0xe8, /* mov ch, al */
608 /*2000:8447*/ 0xbe, 0x00, 0x10, /* mov si, 01000h */
609 /*2000:844a*/ 0x87, 0xdb, /* xchg bx, bx */
610 /*2000:844c*/ 0x4e, /* dec si */
611 /*2000:844d*/ 0x75, 0xfd, /* jne -003h (0844ch) */
612 /*2000:844f*/ 0xb0, 0x00, /* mov AL, 000h */
613 /*2000:8451*/ 0xe6, 0x43, /* out 043h, AL */
614 /*2000:8453*/ 0xe8, 0x36, 0xfc, /* call 0808ch */
615 /*2000:8456*/ 0xe4, 0x40, /* in AL, 040h */
616 /*2000:8458*/ 0xe8, 0x31, 0xfc, /* call 0808ch */
617 /*2000:845b*/ 0x8a, 0xd0, /* mov dl, al */
618 /*2000:845d*/ 0xe4, 0x40, /* in AL, 040h */
619 /*2000:845f*/ 0x8a, 0xf0, /* mov dh, al */
620 /*2000:8461*/ 0x9d, /* popfw */
621 /*2000:8462*/ 0x2b, 0xd9, /* sub bx, cx */
622 /*2000:8464*/ 0x2b, 0xca, /* sub cx, dx */
623 /*2000:8466*/ 0x2b, 0xcb, /* sub cx, bx */
624 /*2000:8468*/ 0x87, 0xca, /* xchg dx, cx */
625 /*2000:846a*/ 0xb8, 0x28, 0x00, /* mov ax, 00028h */
626 /*2000:846d*/ 0xf7, 0xea, /* imul dx */
627 /*2000:846f*/ 0xbb, 0x18, 0x00, /* mov bx, 00018h */
628 /*2000:8472*/ 0xf7, 0xfb, /* idiv bx */
629 /*2000:8474*/ 0x33, 0xd2, /* xor dx, dx */
630 /*2000:8476*/ 0xbb, 0x00, 0x10, /* mov bx, 01000h */
631 /*2000:8479*/ 0x93, /* xchg bx, ax */
632 /*2000:847a*/ 0xf7, 0xfb, /* idiv bx */
633 /*2000:847c*/ 0x0b, 0xd2, /* or dx, dx */
634 /*2000:847e*/ 0x74, 0x01, /* je +001h (08481h) */
635 /*2000:8480*/ 0x40, /* inc ax */
636 /*2000:8481*/ 0x40, /* inc ax */
637 /*2000:8482*/ 0xa3, 0x4d, 0xac, /* mov word [0ac4dh], ax */
638 /*2000:8485*/ 0x1f, /* pop DS */
639 /*2000:8486*/ 0x61, /* popaw */
640 /*2000:8487*/ 0xc3, /* retn */
641 };
642 static uint8_t const s_abVariant1Mask[] =
643 {
644 /*2000:840a*/ 0xff, /* pushaw */
645 /*2000:840b*/ 0xff, /* push DS */
646 /*2000:840c*/ 0xff, /* push CS */
647 /*2000:840d*/ 0xff, /* pop DS */
648 /*2000:840e*/ 0xff, /* pushfw */
649 /*2000:840f*/ 0xff, /* cli */
650 /*2000:8410*/ 0xff, 0xff, /* mov AL, 034h */
651 /*2000:8412*/ 0xff, 0xff, /* out 043h, AL */
652 /*2000:8414*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
653 /*2000:8417*/ 0xff, 0xff, /* xor al, al */
654 /*2000:8419*/ 0xff, 0xff, /* out 040h, AL */
655 /*2000:841b*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
656 /*2000:841e*/ 0xff, 0xff, /* out 040h, AL */
657 /*2000:8420*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
658 /*2000:8423*/ 0xff, 0xff, /* mov AL, 000h */
659 /*2000:8425*/ 0xff, 0xff, /* out 043h, AL */
660 /*2000:8427*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
661 /*2000:842a*/ 0xff, 0xff, /* in AL, 040h */
662 /*2000:842c*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
663 /*2000:842f*/ 0xff, 0xff, /* mov bl, al */
664 /*2000:8431*/ 0xff, 0xff, /* in AL, 040h */
665 /*2000:8433*/ 0xff, 0xff, /* mov bh, al */
666 /*2000:8435*/ 0xff, 0xff, /* mov AL, 000h */
667 /*2000:8437*/ 0xff, 0xff, /* out 043h, AL */
668 /*2000:8439*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
669 /*2000:843c*/ 0xff, 0x40, /* in AL, 040h */
670 /*2000:843e*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
671 /*2000:8441*/ 0xff, 0xff, /* mov cl, al */
672 /*2000:8443*/ 0xff, 0xff, /* in AL, 040h */
673 /*2000:8445*/ 0xff, 0xff, /* mov ch, al */
674 /*2000:8447*/ 0xff, 0x00, 0x00, /* mov si, 01000h - ignore loop count */
675 /*2000:844a*/ 0xff, 0xff, /* xchg bx, bx */
676 /*2000:844c*/ 0xff, /* dec si */
677 /*2000:844d*/ 0xff, 0xfd, /* jne -003h (0844ch) */
678 /*2000:844f*/ 0xff, 0xff, /* mov AL, 000h */
679 /*2000:8451*/ 0xff, 0xff, /* out 043h, AL */
680 /*2000:8453*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
681 /*2000:8456*/ 0xff, 0xff, /* in AL, 040h */
682 /*2000:8458*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */
683 /*2000:845b*/ 0xff, 0xff, /* mov dl, al */
684 /*2000:845d*/ 0xff, 0xff, /* in AL, 040h */
685 /*2000:845f*/ 0xff, 0xff, /* mov dh, al */
686 /*2000:8461*/ 0xff, /* popfw */
687 /*2000:8462*/ 0xff, 0xff, /* sub bx, cx */
688 /*2000:8464*/ 0xff, 0xff, /* sub cx, dx */
689 /*2000:8466*/ 0xff, 0xff, /* sub cx, bx */
690 /*2000:8468*/ 0xff, 0xff, /* xchg dx, cx */
691 /*2000:846a*/ 0xff, 0xff, 0xff, /* mov ax, 00028h */
692 /*2000:846d*/ 0xff, 0xff, /* imul dx */
693 /*2000:846f*/ 0xff, 0xff, 0xff, /* mov bx, 00018h */
694 /*2000:8472*/ 0xff, 0xff, /* idiv bx */
695 /*2000:8474*/ 0xff, 0xff, /* xor dx, dx */
696 /*2000:8476*/ 0xff, 0x00, 0x00, /* mov bx, 01000h - ignore loop count */
697 /*2000:8479*/ 0xff, /* xchg bx, ax */
698 /*2000:847a*/ 0xff, 0xff, /* idiv bx */
699 /*2000:847c*/ 0xff, 0xff, /* or dx, dx */
700 /*2000:847e*/ 0xff, 0xff, /* je +001h (08481h) */
701 /*2000:8480*/ 0xff, /* inc ax */
702 /*2000:8481*/ 0xff, /* inc ax */
703 /*2000:8482*/ 0xff, 0x00, 0x00, /* mov word [0ac4dh], ax */
704 /*2000:8485*/ 0xff, /* pop DS */
705 /*2000:8486*/ 0xff, /* popaw */
706 /*2000:8487*/ 0xff, /* retn */
707 };
708 AssertCompile(sizeof(s_abVariant1Mask) == sizeof(s_abVariant1));
709
710 /* uUser1 = off to start injecting code; uUser2 = jump target offset from start of pattern */
711 static const OS2CODEPATTERN s_aPatterns[] =
712 {
713 { s_abVariant1, s_abVariant1Mask, sizeof(s_abVariant1Mask), 0x840e - 0x840a, 0x8482 - 0x840a, 0, 0, 0 },
714 };
715
716 PCOS2CODEPATTERN pPattern;
717 uint8_t *pbHit = findCodePattern(&s_aPatterns[0], RT_ELEMENTS(s_aPatterns), pbFile, cbFile, &pPattern);
718 if (pPattern)
719 {
720 uint8_t *pbJmpTarget = &pbHit[pPattern->uUser2];
721 uint8_t *pbPatch = &pbHit[pPattern->uUser1];
722 *pbPatch++ = 0xb8; /* mov ax, 01000h */
723 *pbPatch++ = 0x00;
724 *pbPatch++ = 0x10;
725#if 0
726 *pbPatch++ = 0xfa; /* cli */
727 *pbPatch++ = 0xf4; /* hlt */
728#endif
729 uint16_t offRel16 = (uint16_t)(pbJmpTarget - &pbPatch[3]);
730 *pbPatch++ = 0xe9; /* jmp rel16 */
731 *pbPatch++ = (uint8_t)offRel16;
732 *pbPatch++ = (uint8_t)(offRel16 >> 8);
733 *pbPatch++ = 0xcc;
734 *pbPatch++ = 0xcc;
735 }
736 else
737 LogRelFunc(("No patch pattern match!\n"));
738
739 return VINF_SUCCESS;
740}
741
742HRESULT UnattendedOs2Installer::copyFilesToAuxFloppyImage(RTVFS hVfs)
743{
744 /*
745 * Make sure we've split the files already.
746 */
747 HRESULT hrc = splitResponseFile();
748 if (FAILED(hrc))
749 return hrc;
750
751 /*
752 * We need to copy over the files needed to boot OS/2.
753 */
754 static struct
755 {
756 bool fMandatory;
757 const char *apszNames[2]; /**< Will always copy it over using the first name. */
758 const char *apszDisks[3];
759 const char *pszMinVer;
760 const char *pszMaxVer;
761 int (*pfnPatcher)(uint8_t *pbFile, size_t cbFile, const char *pszFilename, UnattendedOs2Installer *pThis);
762 } const s_aFiles[] =
763 {
764 { true, { "OS2BOOT", NULL }, { "DISK_0", NULL, NULL }, "2.1", NULL, NULL }, /* 2.0 did not have OS2BOOT */
765 { true, { "OS2LDR", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, patchOs2Ldr },
766 { true, { "OS2LDR.MSG", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL },
767 { true, { "OS2KRNL", "OS2KRNLI" }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL }, /* OS2KRNLI seems to trigger question for 2nd floppy */
768 { true, { "OS2DUMP", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL },
769
770 { true, { "ANSICALL.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
771 { true, { "BKSCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
772 { true, { "BMSCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
773 { true, { "BVHINIT.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
774 { true, { "BVSCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
775 { true, { "CDFS.IFS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
776 { true, { "CLOCK01.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
777 { true, { "COUNT437.SYS", "COUNTRY.SYS" }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
778 { true, { "DOS.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
779 { true, { "DOSCALL1.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
780 { true, { "IBM1FLPY.ADD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
781 { true, { "IBM1S506.ADD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
782 { true, { "IBMIDECD.FLT", NULL }, { "DISK_1", "DISK_2", NULL }, "4.0", NULL, NULL }, /* not in 2.1 & Warp3 */
783 { true, { "IBMKBD.SYS", "KBD01.SYS"/*?*/}, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
784#if 1 /* Sometimes takes forever. (Bad IODelay count? Fixed by OS2LDR patching?) Removing seems to cause testcfg.sys to crash. */
785 { true, { "ISAPNP.SNP", NULL }, { "DISK_1", "DISK_2", NULL }, "4.0", NULL, NULL }, /* not in 2.1 */
786#endif
787 { true, { "KBDBASE.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, "3.0", NULL, NULL }, /* not in 2.1 */
788 { true, { "KBDCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
789 { true, { "KEYBOARD.DCP", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
790 { true, { "MOUCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
791 { true, { "MSG.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
792 { true, { "NAMPIPES.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
793 { true, { "NLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
794 { true, { "OS2CDROM.DMD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
795 { true, { "OS2CHAR.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
796 { true, { "OS2DASD.DMD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
797 { true, { "OS2LVM.DMD", NULL }, { "DISK_1", "DISK_2", NULL }, "4.5", NULL, NULL },
798 { true, { "OS2VER", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL },
799 { true, { "PNP.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, "4.0", NULL, NULL },
800 { true, { "QUECALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
801 { true, { "RESOURCE.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, "3.0", NULL, NULL }, /* not in 2.1*/
802 { true, { "SCREEN01.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
803 { true, { "SESMGR.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
804 { true, { "TESTCFG.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL, /*patchTestCfg*/ },
805 { true, { "VIO437.DCP", "VTBL850.DCP" }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
806 { true, { "VIOCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL },
807 };
808
809
810 RTVFS hVfsOrgIso;
811 hrc = openInstallIsoImage(&hVfsOrgIso);
812 if (SUCCEEDED(hrc))
813 {
814 for (size_t i = 0; i < RT_ELEMENTS(s_aFiles); i++)
815 {
816 bool fCopied = false;
817 for (size_t iDisk = 0; iDisk < RT_ELEMENTS(s_aFiles[i].apszDisks) && s_aFiles[i].apszDisks[iDisk] && !fCopied; iDisk++)
818 {
819 for (size_t iName = 0; iName < RT_ELEMENTS(s_aFiles[i].apszNames) && s_aFiles[i].apszNames[iName]; iName++)
820 {
821 char szPath[256];
822 int vrc = RTPathJoin(szPath, sizeof(szPath), mStrOs2Images.c_str(), s_aFiles[i].apszDisks[iDisk]);
823 if (RT_SUCCESS(vrc))
824 vrc = RTPathAppend(szPath, sizeof(szPath), s_aFiles[i].apszNames[iName]);
825 AssertRCBreakStmt(vrc, hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("RTPathJoin/Append failed for %s: %Rrc"),
826 s_aFiles[i].apszNames[iName], vrc));
827 RTVFSFILE hVfsSrc;
828 vrc = RTVfsFileOpen(hVfsOrgIso, szPath, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE, &hVfsSrc);
829 if (RT_SUCCESS(vrc))
830 {
831 RTVFSFILE hVfsDst;
832 vrc = RTVfsFileOpen(hVfs, s_aFiles[i].apszNames[0],
833 RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE
834 | (0755 << RTFILE_O_CREATE_MODE_SHIFT), &hVfsDst);
835 if (RT_SUCCESS(vrc))
836 {
837 if (!s_aFiles[i].pfnPatcher)
838 {
839 /*
840 * Not patching this file, so just pump it thru and close it.
841 */
842 RTVFSIOSTREAM hVfsIosSrc = RTVfsFileToIoStream(hVfsSrc);
843 RTVFSIOSTREAM hVfsIosDst = RTVfsFileToIoStream(hVfsDst);
844 vrc = RTVfsUtilPumpIoStreams(hVfsIosSrc, hVfsIosDst, 0);
845 RTVfsIoStrmRelease(hVfsIosDst);
846 RTVfsIoStrmRelease(hVfsIosSrc);
847 if (RT_FAILURE(vrc))
848 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc,
849 tr("Failed to write %s to the floppy: %Rrc"),
850 s_aFiles[i].apszNames, vrc);
851 }
852 else
853 {
854 /*
855 * Read the file into memory, do the patching and writed
856 * the patched content to the floppy.
857 */
858 uint64_t cbFile = 0;
859 vrc = RTVfsFileQuerySize(hVfsSrc, &cbFile);
860 if (RT_SUCCESS(vrc) && cbFile < _32M)
861 {
862 uint8_t *pbFile = (uint8_t *)RTMemTmpAllocZ((size_t)cbFile);
863 if (pbFile)
864 {
865 vrc = RTVfsFileRead(hVfsSrc, pbFile, (size_t)cbFile, NULL);
866 if (RT_SUCCESS(vrc))
867 {
868 vrc = s_aFiles[i].pfnPatcher(pbFile, (size_t)cbFile, s_aFiles[i].apszNames[0], this);
869 if (RT_SUCCESS(vrc))
870 {
871 vrc = RTVfsFileWrite(hVfsDst, pbFile, (size_t)cbFile, NULL);
872 if (RT_FAILURE(vrc))
873 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc,
874 tr("Failed to write %s to the floppy: %Rrc"),
875 s_aFiles[i].apszNames, vrc);
876 }
877 else
878 hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("Patcher failed for '%s': %Rrc"),
879 s_aFiles[i].apszNames, vrc);
880 }
881 else
882 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc,
883 tr("Error reading '%s' into memory for patching: %Rrc"),
884 s_aFiles[i].apszNames, vrc);
885 RTMemTmpFree(pbFile);
886 }
887 else
888 hrc = mpParent->setError(E_OUTOFMEMORY, tr("Failed to allocate %zu bytes for '%s'"),
889 (size_t)cbFile, s_aFiles[i].apszNames);
890 }
891 else if (RT_FAILURE(vrc))
892 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc,
893 tr("Failed to query the size of '%s': %Rrc"),
894 s_aFiles[i].apszNames, vrc);
895 else
896 hrc = mpParent->setErrorBoth(E_FAIL, VERR_OUT_OF_RANGE, tr("File too big to patch: '%s'"),
897 s_aFiles[i].apszNames);
898 }
899 RTVfsFileRelease(hVfsDst);
900 }
901 else
902 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to open %s on floppy: %Rrc"),
903 s_aFiles[i].apszNames, vrc);
904
905 RTVfsFileRelease(hVfsSrc);
906 fCopied = true;
907 break;
908 }
909 }
910 }
911 if (FAILED(hrc))
912 break;
913 if (!fCopied)
914 {
915 /** @todo do version filtering. */
916 hrc = mpParent->setErrorBoth(E_FAIL, VERR_FILE_NOT_FOUND,
917 tr("Failed to locate '%s' needed for the install floppy"), s_aFiles[i].apszNames[0]);
918 break;
919 }
920 }
921 RTVfsRelease(hVfsOrgIso);
922 }
923
924 /*
925 * In addition, we need to add a CONFIG.SYS and the startup script.
926 */
927 if (SUCCEEDED(hrc))
928 {
929 Utf8Str strSrc;
930 try
931 {
932 strSrc = mpParent->i_getAuxiliaryBasePath();
933 strSrc.append("CONFIG.SYS");
934 }
935 catch (std::bad_alloc &)
936 {
937 return E_OUTOFMEMORY;
938 }
939 hrc = addFileToFloppyImage(hVfs, strSrc.c_str(), "CONFIG.SYS");
940 }
941
942 /*
943 * We also want a ALTF2ON.$$$ file so we can see which drivers are loaded
944 * and where it might get stuck.
945 */
946 if (SUCCEEDED(hrc))
947 {
948 RTVFSFILE hVfsFile;
949 int vrc = RTVfsFileOpen(hVfs, "ALTF2ON.$$$",
950 RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE
951 | (0755 << RTFILE_O_CREATE_MODE_SHIFT), &hVfsFile);
952 if (RT_SUCCESS(vrc))
953 {
954 /** @todo buggy fat vfs: cannot write empty files */
955 RTVfsFileWrite(hVfsFile, RT_STR_TUPLE("\r\n"), NULL);
956 RTVfsFileRelease(hVfsFile);
957 }
958 else
959 hrc = mpParent->setErrorBoth(E_FAIL, VERR_FILE_NOT_FOUND, tr("Failed to create 'ALTF2ON.$$$' on the install floppy"));
960 }
961
962 return hrc;
963}
964
965HRESULT UnattendedOs2Installer::addFilesToAuxVisoVectors(RTCList<RTCString> &rVecArgs, RTCList<RTCString> &rVecFiles,
966 RTVFS hVfsOrgIso, bool fOverwrite)
967{
968 /*
969 * Make sure we've split the files already.
970 */
971 HRESULT hrc = splitResponseFile();
972 if (FAILED(hrc))
973 return hrc;
974
975 /*
976 * Add our stuff to the vectors.
977 *
978 * Note! Typcially OS/2 ISOs are without joliet or UDF namespaces, given
979 * their age and tools used to produce them, but more recent ones
980 * like ArcaOS have joliet present. So, to avoid ending up with an
981 * almost empty CDROM in Phase2 because UDF.IFS is loaded and
982 * presenting the joliet namespace, the --name-setup-from-import
983 * option was added to the ISO maker. It will look at the files that
984 * were imported and adjust the --name-setup accordingly (logged).
985 */
986 try
987 {
988 /* Remaster ISO. */
989 rVecArgs.append() = "--no-file-mode";
990 rVecArgs.append() = "--no-dir-mode";
991
992 rVecArgs.append() = "--import-iso";
993 rVecArgs.append(mpParent->i_getIsoPath());
994 rVecArgs.append() = "--name-setup-from-import"; /* */
995
996 /** @todo these enables rock-ridge... */
997 rVecArgs.append() = "--file-mode=0444";
998 rVecArgs.append() = "--dir-mode=0555";
999
1000 /* Add the boot floppy to the ISO: */
1001 rVecArgs.append() = "--eltorito-new-entry";
1002 rVecArgs.append() = "--eltorito-add-image";
1003 rVecArgs.append().assign("VBoxBootFloppy.img=").append(mStrAuxiliaryFloppyFilePath);
1004 rVecArgs.append() = "--eltorito-floppy-288";
1005
1006 /* Add the response files and postinstall files to the ISO: */
1007 Utf8Str const &rStrAuxPrefix = mpParent->i_getAuxiliaryBasePath();
1008 size_t i = mVecSplitFiles.size();
1009 while (i-- > 0)
1010 {
1011 RTCString const &rStrFile = mVecSplitFiles[i];
1012 rVecArgs.append().assign("VBoxCID/").append(rStrFile).append('=').append(rStrAuxPrefix).append(rStrFile);
1013 }
1014
1015 /* Add the os2_util.exe to the ISO: */
1016 Utf8Str strUnattendedTemplates;
1017 int vrc = RTPathAppPrivateNoArchCxx(strUnattendedTemplates);
1018 AssertRCReturn(vrc, mpParent->setErrorVrc(vrc));
1019 vrc = RTPathAppendCxx(strUnattendedTemplates, "UnattendedTemplates");
1020 AssertRCReturn(vrc, mpParent->setErrorVrc(vrc));
1021 rVecArgs.append().assign("VBoxCID/os2_util.exe=").append(strUnattendedTemplates).append("/os2_util.exe");
1022 }
1023 catch (std::bad_alloc &)
1024 {
1025 return E_OUTOFMEMORY;
1026 }
1027
1028 /*
1029 * Call parent.
1030 */
1031 return UnattendedInstaller::addFilesToAuxVisoVectors(rVecArgs, rVecFiles, hVfsOrgIso, fOverwrite);
1032}
1033
1034/**
1035 * Helper for splitFile.
1036 */
1037const char *splitFileLocateSubstring(const char *pszSrc, size_t cchSrc, const char *pszSubstring, size_t cchSubstring)
1038{
1039 char const ch0 = *pszSubstring;
1040 while (cchSrc >= cchSubstring)
1041 {
1042 const char *pszHit0 = (const char *)memchr(pszSrc, ch0, cchSrc - cchSubstring + 1);
1043 if (pszHit0)
1044 {
1045 if (memcmp(pszHit0, pszSubstring, cchSubstring) == 0)
1046 return pszHit0;
1047 }
1048 else
1049 break;
1050 cchSrc -= (size_t)(pszHit0 - pszSrc) + 1;
1051 pszSrc = pszHit0 + 1;
1052 }
1053 return NULL;
1054}
1055
1056/**
1057 * Worker for splitFile().
1058 */
1059HRESULT UnattendedOs2Installer::splitFileInner(const char *pszFileToSplit, RTCList<RTCString> &rVecSplitFiles,
1060 const char *pszSrc, size_t cbLeft) RT_NOEXCEPT
1061{
1062 static const char s_szPrefix[] = "@@VBOX_SPLITTER_";
1063 const char * const pszStart = pszSrc;
1064 const char * const pszEnd = &pszSrc[cbLeft];
1065 while (cbLeft > 0)
1066 {
1067 /*
1068 * Locate the next split start marker (everything before it is ignored).
1069 */
1070 const char *pszMarker = splitFileLocateSubstring(pszSrc, cbLeft, s_szPrefix, sizeof(s_szPrefix) - 1);
1071 if (pszMarker)
1072 pszMarker += sizeof(s_szPrefix) - 1;
1073 else
1074 break;
1075 if (strncmp(pszMarker, RT_STR_TUPLE("START[")) != 0)
1076 return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
1077 tr("Unexpected splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_%.64s"),
1078 pszFileToSplit, pszMarker - pszStart, pszMarker);
1079 pszMarker += sizeof("START[") - 1;
1080 const char *pszTail = splitFileLocateSubstring(pszMarker, (size_t)(pszEnd - pszMarker), RT_STR_TUPLE("]@@"));
1081 size_t const cchFilename = (size_t)(pszTail - pszMarker);
1082 if ( !pszTail
1083 || cchFilename > 64
1084 || memchr(pszMarker, '\\', cchFilename)
1085 || memchr(pszMarker, '/', cchFilename)
1086 || memchr(pszMarker, ':', cchFilename)
1087 || memchr(pszMarker, '\0', cchFilename) )
1088 return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
1089 tr("Malformed splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_START[%.64s"),
1090 pszFileToSplit, cchFilename, pszMarker);
1091 int vrc = RTStrValidateEncodingEx(pszMarker, cchFilename, RTSTR_VALIDATE_ENCODING_EXACT_LENGTH);
1092 if (RT_FAILURE(vrc))
1093 return mpParent->setErrorBoth(E_FAIL, vrc,
1094 tr("Malformed splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_START[%.*Rhxs"),
1095 pszFileToSplit, cchFilename, pszTail - pszMarker, pszMarker);
1096 const char *pszFilename;
1097 try
1098 {
1099 pszFilename = rVecSplitFiles.append().assign(pszMarker, cchFilename).c_str();
1100 }
1101 catch (std::bad_alloc &)
1102 {
1103 return E_OUTOFMEMORY;
1104 }
1105 const char *pszDocStart = pszTail + sizeof("]@@") - 1;
1106 while (RT_C_IS_SPACE(*pszDocStart))
1107 if (*pszDocStart++ == '\n')
1108 break;
1109
1110 /* Advance. */
1111 pszSrc = pszDocStart;
1112 cbLeft = (size_t)(pszEnd - pszDocStart);
1113
1114 /*
1115 * Locate the matching end marker (there cannot be any other markers inbetween).
1116 */
1117 const char * const pszDocEnd = pszMarker = splitFileLocateSubstring(pszSrc, cbLeft, s_szPrefix, sizeof(s_szPrefix) - 1);
1118 if (pszMarker)
1119 pszMarker += sizeof(s_szPrefix) - 1;
1120 else
1121 return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
1122 tr("No END splitter tag for '%s' in '%s'"), pszFilename, pszFileToSplit);
1123 if (strncmp(pszMarker, RT_STR_TUPLE("END[")) != 0)
1124 return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
1125 tr("Unexpected splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_%.64s"),
1126 pszFileToSplit, (size_t)(pszEnd - pszMarker), pszMarker);
1127 pszMarker += sizeof("END[") - 1;
1128 if ( strncmp(pszMarker, pszFilename, cchFilename) != 0
1129 || pszMarker[cchFilename] != ']'
1130 || pszMarker[cchFilename + 1] != '@'
1131 || pszMarker[cchFilename + 2] != '@')
1132 return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR,
1133 tr("Mismatching splitter tag for '%s' in '%s' at offset %p: @@VBOX_SPLITTER_END[%.64Rhxs"),
1134 pszFilename, pszFileToSplit, (size_t)(pszEnd - pszMarker), pszMarker);
1135
1136 /* Advance. */
1137 pszSrc = pszMarker + cchFilename + sizeof("]@@") - 1;
1138 cbLeft = (size_t)(pszEnd - pszSrc);
1139
1140 /*
1141 * Write out the file.
1142 */
1143 Utf8Str strDstFilename;
1144 vrc = strDstFilename.assignNoThrow(mpParent->i_getAuxiliaryBasePath());
1145 if (RT_SUCCESS(vrc))
1146 vrc = strDstFilename.appendNoThrow(pszFilename);
1147 if (RT_SUCCESS(vrc))
1148 {
1149 RTFILE hFile;
1150 vrc = RTFileOpen(&hFile, strDstFilename.c_str(), RTFILE_O_CREATE_REPLACE | RTFILE_O_WRITE | RTFILE_O_DENY_WRITE);
1151 if (RT_SUCCESS(vrc))
1152 {
1153 vrc = RTFileWrite(hFile, pszDocStart, (size_t)(pszDocEnd - pszDocStart), NULL);
1154 if (RT_SUCCESS(vrc))
1155 vrc = RTFileClose(hFile);
1156 else
1157 RTFileClose(hFile);
1158 if (RT_FAILURE(vrc))
1159 return mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Error writing '%s' (split out from '%s'): %Rrc"),
1160 strDstFilename.c_str(), pszFileToSplit, vrc);
1161 }
1162 else
1163 return mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc,
1164 tr("File splitter failed to open output file '%s' in '%s': %Rrc (%s)"),
1165 pszFilename, pszFileToSplit, vrc, strDstFilename.c_str());
1166 }
1167 else
1168 return mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc,
1169 tr("File splitter failed to construct path for '%s' in '%s': %Rrc"),
1170 pszFilename, pszFileToSplit, vrc);
1171 }
1172
1173 return S_OK;
1174}
1175
1176HRESULT UnattendedOs2Installer::splitFile(const char *pszFileToSplit, RTCList<RTCString> &rVecSplitFiles) RT_NOEXCEPT
1177{
1178 /*
1179 * Read the whole source file into memory, making sure it's zero terminated.
1180 */
1181 HRESULT hrc;
1182 void *pvSrc;
1183 size_t cbSrc;
1184 int vrc = RTFileReadAllEx(pszFileToSplit, 0 /*off*/, _16M /*cbMax*/,
1185 RTFILE_RDALL_F_TRAILING_ZERO_BYTE | RTFILE_RDALL_F_FAIL_ON_MAX_SIZE | RTFILE_RDALL_O_DENY_WRITE,
1186 &pvSrc, &cbSrc);
1187 if (RT_SUCCESS(vrc))
1188 {
1189 /*
1190 * Do the actual splitting in a worker function to avoid needing to
1191 * thing about calling RTFileReadAllFree in error paths.
1192 */
1193 hrc = splitFileInner(pszFileToSplit, rVecSplitFiles, (const char *)pvSrc, cbSrc);
1194 RTFileReadAllFree(pvSrc, cbSrc);
1195 }
1196 else
1197 hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to read '%s' for splitting up: %Rrc"),
1198 pszFileToSplit, vrc);
1199 return hrc;
1200}
1201
1202HRESULT UnattendedOs2Installer::splitFile(BaseTextScript *pEditor, RTCList<RTCString> &rVecSplitFiles) RT_NOEXCEPT
1203{
1204 /*
1205 * Get the output from the editor.
1206 */
1207 Utf8Str strSrc;
1208 HRESULT hrc = pEditor->saveToString(strSrc);
1209 if (SUCCEEDED(hrc))
1210 {
1211 /*
1212 * Do the actual splitting.
1213 */
1214 hrc = splitFileInner(pEditor->getDefaultFilename(), rVecSplitFiles, strSrc.c_str(), strSrc.length());
1215 }
1216 return hrc;
1217}
1218
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