/* $Id: UnattendedOs2Installer.cpp 99775 2023-05-12 12:21:58Z vboxsync $ */ /** @file * UnattendedOs2Installer implementation. */ /* * Copyright (C) 2006-2023 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 . * * SPDX-License-Identifier: GPL-3.0-only */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_MAIN_UNATTENDED #include "LoggingNew.h" #include "VirtualBoxBase.h" #include "VirtualBoxErrorInfoImpl.h" #include "AutoCaller.h" #include #include "UnattendedImpl.h" #include "UnattendedInstaller.h" #include "UnattendedScript.h" #include #include #include #include #include #include #include #include #ifdef RT_OS_SOLARIS # undef ES /* Workaround for someone dragging the namespace pollutor sys/regset.h. Sigh. */ #endif #include #include using namespace std; UnattendedOs2Installer::UnattendedOs2Installer(Unattended *pParent, Utf8Str const &rStrHints) : UnattendedInstaller(pParent, "os2_response_files.rsp", "os2_cid_install.cmd", "os2_response_files.rsp", "VBOXCID.CMD", DeviceType_Floppy) { Assert(!isOriginalIsoNeeded()); Assert(isAuxiliaryFloppyNeeded()); Assert(isAuxiliaryIsoIsVISO()); Assert(bootFromAuxiliaryIso()); mStrAuxiliaryInstallDir = "S:\\"; /* Extract the info from the hints variable: */ RTCList Pairs = rStrHints.split(" "); size_t i = Pairs.size(); Assert(i > 0); while (i -- > 0) { RTCString const rStr = Pairs[i]; if (rStr.startsWith("OS2SE20.SRC=")) mStrOs2Images = rStr.substr(sizeof("OS2SE20.SRC=") - 1); else AssertMsgFailed(("Unknown hint: %s\n", rStr.c_str())); } } HRESULT UnattendedOs2Installer::replaceAuxFloppyImageBootSector(RTVFSFILE hVfsFile) RT_NOEXCEPT { /* * Find the bootsector. Because the ArcaOS ISOs doesn't contain any floppy * images, we cannot just lift it off one of those. Instead we'll locate it * in the SYSINSTX.COM utility, i.e. the tool which installs it onto floppies * and harddisks. The SYSINSTX.COM utility is a NE executable and we don't * have issues with compressed pages like with LX images. * * The utility seems always to be located on disk 0. */ RTVFS hVfsOrgIso; HRESULT hrc = openInstallIsoImage(&hVfsOrgIso); if (SUCCEEDED(hrc)) { char szPath[256]; int vrc = RTPathJoin(szPath, sizeof(szPath), mStrOs2Images.c_str(), "DISK_0/SYSINSTX.COM"); if (RT_SUCCESS(vrc)) { RTVFSFILE hVfsSysInstX; vrc = RTVfsFileOpen(hVfsOrgIso, szPath, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE, &hVfsSysInstX); if (RT_SUCCESS(vrc)) { /* * Scan the image looking for a 512 block ending with a DOS signature * and starting with a three byte jump followed by an OEM name string. */ uint8_t *pbBootSector = NULL; RTFOFF off = 0; bool fEof = false; uint8_t abBuf[_8K] = {0}; do { /* Read the next chunk. */ memmove(abBuf, &abBuf[sizeof(abBuf) - 512], 512); /* Move up the last 512 (all zero the first time around). */ size_t cbRead = 0; vrc = RTVfsFileReadAt(hVfsSysInstX, off, &abBuf[512], sizeof(abBuf) - 512, &cbRead); if (RT_FAILURE(vrc)) break; fEof = cbRead != sizeof(abBuf) - 512; off += cbRead; /* Scan it. */ size_t cbLeft = sizeof(abBuf); uint8_t *pbCur = abBuf; while (cbLeft >= 512) { /* Look for the DOS signature (0x55 0xaa) at the end of the sector: */ uint8_t *pbHit = (uint8_t *)memchr(pbCur + 510, 0x55, cbLeft - 510 - 1); if (!pbHit) break; if (pbHit[1] == 0xaa) { uint8_t *pbStart = pbHit - 510; if ( pbStart[0] == 0xeb /* JMP imm8 */ && pbStart[1] >= 3 + 8 + sizeof(FATEBPB) - 2 /* must jump after the FATEBPB */ && RT_C_IS_ALNUM(pbStart[3]) /* ASSUME OEM string starts with two letters (typically 'IBM x.y')*/ && RT_C_IS_ALNUM(pbStart[4])) { FATEBPB *pBpb = (FATEBPB *)&pbStart[3 + 8]; if ( pBpb->bExtSignature == FATEBPB_SIGNATURE && ( memcmp(pBpb->achType, "FAT ", sizeof(pBpb->achType)) == 0 || memcmp(pBpb->achType, FATEBPB_TYPE_FAT12, sizeof(pBpb->achType)) == 0)) { pbBootSector = pbStart; break; } } } /* skip */ pbCur = pbHit - 510 + 1; cbLeft = (uintptr_t)&abBuf[sizeof(abBuf)] - (uintptr_t)pbCur; } } while (!fEof); if (pbBootSector) { if (pbBootSector != abBuf) pbBootSector = (uint8_t *)memmove(abBuf, pbBootSector, 512); /* * We've now got a bootsector. So, we need to copy the EBPB * from the destination image before replacing it. */ vrc = RTVfsFileReadAt(hVfsFile, 0, &abBuf[512], 512, NULL); if (RT_SUCCESS(vrc)) { memcpy(&pbBootSector[3 + 8], &abBuf[512 + 3 + 8], sizeof(FATEBPB)); /* * Write it. */ vrc = RTVfsFileWriteAt(hVfsFile, 0, pbBootSector, 512, NULL); if (RT_SUCCESS(vrc)) { LogFlowFunc(("Successfully installed new bootsector\n")); hrc = S_OK; } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to write bootsector: %Rrc"), vrc); } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to read bootsector: %Rrc"), vrc); } else if (RT_FAILURE(vrc)) hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Error reading SYSINSTX.COM: %Rrc"), vrc); else hrc = mpParent->setErrorBoth(E_FAIL, VERR_NOT_FOUND, tr("Unable to locate bootsector template in SYSINSTX.COM")); RTVfsFileRelease(hVfsSysInstX); } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to open SYSINSTX.COM: %Rrc"), vrc); } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to construct SYSINSTX.COM path")); RTVfsRelease(hVfsOrgIso); } return hrc; } HRESULT UnattendedOs2Installer::newAuxFloppyImage(const char *pszFilename, bool fOverwrite, PRTVFSFILE phVfsFile) { /* * Open the image file. */ HRESULT hrc; RTVFSFILE hVfsFile; uint64_t fOpen = RTFILE_O_READWRITE | RTFILE_O_DENY_ALL | (0660 << RTFILE_O_CREATE_MODE_SHIFT); if (fOverwrite) fOpen |= RTFILE_O_CREATE_REPLACE; else fOpen |= RTFILE_O_OPEN; int vrc = RTVfsFileOpenNormal(pszFilename, fOpen, &hVfsFile); if (RT_SUCCESS(vrc)) { /* * Format it. */ vrc = RTFsFatVolFormat288(hVfsFile, false /*fQuick*/); if (RT_SUCCESS(vrc)) { /* * Now we install the OS/2 boot sector on it. */ hrc = replaceAuxFloppyImageBootSector(hVfsFile); if (SUCCEEDED(hrc)) { *phVfsFile = hVfsFile; LogRelFlow(("UnattendedInstaller::newAuxFloppyImage: created and formatted '%s'\n", pszFilename)); return S_OK; } } else hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("Failed to format floppy image '%s': %Rrc"), pszFilename, vrc); RTVfsFileRelease(hVfsFile); RTFileDelete(pszFilename); } else hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("Failed to create floppy image '%s': %Rrc"), pszFilename, vrc); return hrc; } HRESULT UnattendedOs2Installer::splitResponseFile() RT_NOEXCEPT { if (mVecSplitFiles.size() == 0) { #if 0 Utf8Str strResponseFile; int vrc = strResponseFile.assignNoThrow(mpParent->i_getAuxiliaryBasePath()); if (RT_SUCCESS(vrc)) vrc = strResponseFile.appendNoThrow(mMainScript.getDefaultFilename()); if (RT_SUCCESS(vrc)) return splitFile(strResponseFile.c_str(), mVecSplitFiles); return mpParent->setErrorVrc(vrc); #else return splitFile(&mMainScript, mVecSplitFiles); #endif } return S_OK; } /** * OS/2 code pattern. */ typedef struct OS2CODEPATTERN { /** The code pattern. */ uint8_t const *pbPattern; /** The mask to apply when using the pattern (ignore 0x00 bytes, compare 0xff * bytes). */ uint8_t const *pbMask; /** The pattern size. */ size_t cb; /** User info \#1. */ uintptr_t uUser1; /** User info \#2. */ uint32_t uUser2; /** User info \#3. */ uint32_t uUser3; /** User info \#4. */ uint32_t uUser4; /** User info \#5. */ uint32_t uUser5; } OS2CODEPATTERN; /** Pointer to an OS/2 code pattern. */ typedef OS2CODEPATTERN const *PCOS2CODEPATTERN; /** * Search @a pbCode for the code patterns in @a paPatterns. * * @returns pointer within @a pbCode to matching code, NULL if no match. */ static uint8_t *findCodePattern(PCOS2CODEPATTERN paPatterns, size_t cPatterns, uint8_t *pbCode, size_t cbCode, PCOS2CODEPATTERN *ppMatch) { for (size_t i = 0; i < cPatterns; i++) { size_t const cbPattern = paPatterns[i].cb; uint8_t const *pbPattern = paPatterns[i].pbPattern; uint8_t const *pbMask = paPatterns[i].pbMask; Assert(pbMask[0] == 0xff); /* ASSUME the we can use the first byte with memchr. */ uint8_t const bFirst = *pbPattern; size_t off = 0; while (off + cbPattern <= cbCode) { uint8_t *pbHit = (uint8_t *)memchr(&pbCode[off], bFirst, cbCode - off - cbPattern + 1); if (!pbHit) break; size_t offPattern = 1; while ( offPattern < cbPattern && (pbPattern[offPattern] & pbMask[offPattern]) == (pbHit[offPattern] & pbMask[offPattern])) offPattern++; if (offPattern == cbPattern) { *ppMatch = &paPatterns[i]; return pbHit; } /* next */ off++; } } return NULL; } #if 0 /** * Patcher callback for TESTCFG.SYS. * * This is for debugging a mysterious DS corruption issue happening on an AMD * 3990x host. * * @verbatim dbgf event/0: xcpt_gp - #GP (general protection fault)! arg=0x1d8 VBoxDbg> r eax=00000001 ebx=00dc0000 ecx=56d80000 edx=178b0000 esi=ffde0100 edi=feff44e4 eip=00000124 esp=00000f76 ebp=0000dbf3 iopl=3 nv up ei pl nz na po nc cs=0763 ds=01db es=0130 fs=0000 gs=0000 ss=001f eflags=00003206 0763:00000124 cb retf VBoxDbg> dw ss:sp 001f:00000f76: 0549 075b 03e4 0000-0fb8 04b9 44e4 0130 VBoxDbg> u cs:fc 0763:000000fc 55 push bp 0763:000000fd 8b ec mov bp, sp 0763:000000ff 53 push bx 0763:00000100 51 push cx 0763:00000101 52 push dx 0763:00000102 1e push DS 0763:00000103 33 c9 xor cx, cx 0763:00000105 b0 10 mov AL, 010h 0763:00000107 b2 24 mov DL, 024h 0763:00000109 ff 1e 22 00 call far [00022h] 0763:0000010d 72 0e jc +00eh (0011dh) 0763:0000010f 50 push ax 0763:00000110 1f pop DS 0763:00000111 f7 47 06 03 00 test word [bx+006h], 00003h 0763:00000116 74 05 je +005h (0011dh) 0763:00000118 b8 01 00 mov ax, 00001h 0763:0000011b eb 02 jmp +002h (0011fh) 0763:0000011d 33 c0 xor ax, ax 0763:0000011f 1f pop DS 0763:00000120 5a pop dx 0763:00000121 59 pop cx 0763:00000122 5b pop bx 0763:00000123 5d pop bp 0763:00000124 cb retf VBoxDbg> dw ss:sp - 5*2 L8 001f:00000f6c: 0750 082a 220e 44e4-0f7e 0549 075b 03e4 * @endverbatim * * We end up with a \#GP on the RETF, but the stack frame is a valid 075b:0549 * return address (in TESTCFG's first code segment). The error code is 0x1d8, * which makes no sense. DS contains 0x1db, which could be related, however it * is the *wrong* value as seen by the stack restore frame above, it was just * restored as 0750 (TESTCFG data segment). * * The patching here aim at modifying to code to try figure out what might * trigger the bogus DS and \#GP(0x1d8). * * P.S. There are no exits or event injections taking place when DS gets * corrupt, the last exit was a CR0 read in OS2KRNL's DOSSEG (0120:1798) * probably related to we comming back to protected mode from real mode as we * just made an APM BIOS call. * * Update: The values loaded off the stack aren't the ones ending up the * registers, so that might explain why this goes south. * * @sa ticketref:20625 */ /*static*/ int UnattendedOs2Installer::patchTestCfg(uint8_t *pbFile, size_t cbFile, const char *pszFilename, UnattendedOs2Installer *pThis) { RT_NOREF(pThis, pszFilename); static uint8_t const s_abVariant1[] = { /*0763:00fc*/ 0x55, /* push bp */ /*0763:00fd*/ 0x8b, 0xec, /* mov bp, sp */ /*0763:00ff*/ 0x53, /* push bx */ /*0763:0100*/ 0x51, /* push cx */ /*0763:0101*/ 0x52, /* push dx */ /*0763:0102*/ 0x1e, /* push DS */ /*0763:0103*/ 0x33, 0xc9, /* xor cx, cx */ /*0763:0105*/ 0xb0, 0x10, /* mov AL, 010h */ /*0763:0107*/ 0xb2, 0x24, /* mov DL, 024h */ /*0763:0109*/ 0xff, 0x1e, 0x22, 0x00, /* call far [00022h] */ /*0763:010d*/ 0x72, 0x0e, /* jc +00eh (0011dh) */ /*0763:010f*/ 0x50, /* push ax */ /*0763:0110*/ 0x1f, /* pop DS */ /*0763:0111*/ 0xf7, 0x47, 0x06, 0x03, 0x00, /* test word [bx+006h], 00003h */ /*0763:0116*/ 0x74, 0x05, /* je +005h (0011dh) */ /*0763:0118*/ 0xb8, 0x01, 0x00, /* mov ax, 00001h */ /*0763:011b*/ 0xeb, 0x02, /* jmp +002h (0011fh) */ /*0763:011d*/ 0x33, 0xc0, /* xor ax, ax */ /*0763:011f*/ 0x1f, /* pop DS */ /*0763:0120*/ 0x5a, /* pop dx */ /*0763:0121*/ 0x59, /* pop cx */ /*0763:0122*/ 0x5b, /* pop bx */ /*0763:0123*/ 0x5d, /* pop bp */ /*0763:0124*/ 0xcb, /* retf */ }; static uint8_t const s_abVariant1Mask[] = { /*0763:00fc*/ 0xff, /* push bp */ /*0763:00fd*/ 0xff, 0xec, /* mov bp, sp */ /*0763:00ff*/ 0xff, /* push bx */ /*0763:0100*/ 0xff, /* push cx */ /*0763:0101*/ 0xff, /* push dx */ /*0763:0102*/ 0xff, /* push DS */ /*0763:0103*/ 0xff, 0xff, /* xor cx, cx */ /*0763:0105*/ 0xff, 0xff, /* mov AL, 010h */ /*0763:0107*/ 0xff, 0xff, /* mov DL, 024h */ /*0763:0109*/ 0xff, 0xff, 0x00, 0x00, /* call far [00022h] */ /*0763:010d*/ 0xff, 0xff, /* jc +00eh (0011dh) */ /*0763:010f*/ 0xff, /* push ax */ /*0763:0110*/ 0xff, /* pop DS */ /*0763:0111*/ 0xff, 0xff, 0xff, 0xff, 0xff, /* test word [bx+006h], 00003h */ /*0763:0116*/ 0xff, 0xff, /* je +005h (0011dh) */ /*0763:0118*/ 0xff, 0xff, 0xff, /* mov ax, 00001h */ /*0763:011b*/ 0xff, 0xff, /* jmp +002h (0011fh) */ /*0763:011d*/ 0xff, 0xff, /* xor ax, ax */ /*0763:011f*/ 0xff, /* pop DS */ /*0763:0120*/ 0xff, /* pop dx */ /*0763:0121*/ 0xff, /* pop cx */ /*0763:0122*/ 0xff, /* pop bx */ /*0763:0123*/ 0xff, /* pop bp */ /*0763:0124*/ 0xff, /* retf */ }; AssertCompile(sizeof(s_abVariant1Mask) == sizeof(s_abVariant1)); /* uUser1 = off to start modifying the code; */ static const OS2CODEPATTERN s_aPatterns[] = { { s_abVariant1, s_abVariant1Mask, sizeof(s_abVariant1Mask), 0x010d - 0x00fc, 0, 0, 0, 0 }, }; PCOS2CODEPATTERN pPattern; uint8_t *pbHit = findCodePattern(&s_aPatterns[0], RT_ELEMENTS(s_aPatterns), pbFile, cbFile, &pPattern); if (pPattern) { /* We've got */ uint8_t *pbPatch = &pbHit[pPattern->uUser1]; #if 0 /* this seems to fix the issue */ *pbPatch++ = 0xe6; /* out 78h, al - triggers an exit */ *pbPatch++ = 0x78; #elif 0 /* this seems to fix it too */ *pbPatch++ = 0xf3; /* pause */ *pbPatch++ = 0x90; #elif 0 /* still reproducible with normal nops. */ *pbPatch++ = 0x90; *pbPatch++ = 0x90; #else # if 0 /*0763:010d*/ 0x72, 0x0e, /* jc +00eh (0011dh) */ /*0763:010f*/ 0x50, /* push ax */ /*0763:0110*/ 0x1f, /* pop DS */ /*0763:0111*/ 0xf7, 0x47, 0x06, 0x03, 0x00, /* test word [bx+006h], 00003h */ /*0763:0116*/ 0x74, 0x05, /* je +005h (0011dh) */ /*0763:0118*/ 0xb8, 0x01, 0x00, /* mov ax, 00001h */ /*0763:011b*/ 0xeb, 0x02, /* jmp +002h (0011fh) */ /*0763:011d*/ 0x33, 0xc0, /* xor ax, ax */ /*0763:011f*/ 0x1f, /* pop DS */ /*0763:0120*/ 0x5a, /* pop dx */ /*0763:0121*/ 0x59, /* pop cx */ /*0763:0122*/ 0x5b, /* pop bx */ /*0763:0123*/ 0x5d, /* pop bp */ /*0763:0124*/ 0xcb, /* retf */ # endif /* Try straigthen out the code and mabye load DS into AX (we don't care about the return value) */ *pbPatch++ = 0x50; /* push ax */ *pbPatch++ = 0x1f; /* pop DS */ *pbPatch++ = 0xf7; /* test word [bx+006h], 00003h */ *pbPatch++ = 0x47; *pbPatch++ = 0x06; *pbPatch++ = 0x03; *pbPatch++ = 0x00; /* not je */ *pbPatch++ = 0xb8; /* mov ax, 00001h */ *pbPatch++ = 0x01; *pbPatch++ = 0x00; # if 0 /* try reload SS */ *pbPatch++ = 0x8c; /* mov ax, ss */ *pbPatch++ = 0xd0; *pbPatch++ = 0x8e; /* mov ss, ax */ *pbPatch++ = 0xd0; # endif # if 0 /* try reload CR3 to flush everything - not possible, we're in ring-3 */ *pbPatch++ = 0x0f; /* mov eax, cr3 */ *pbPatch++ = 0x20; *pbPatch++ = 0xd8; *pbPatch++ = 0x0f; /* mov cr3, eax */ *pbPatch++ = 0x22; *pbPatch++ = 0xd8; # endif *pbPatch++ = 0x1f; /* pop DS */ # if 0 *pbPatch++ = 0x8c; /* mov ax, ds */ *pbPatch++ = 0xd8; # endif *pbPatch++ = 0x5a; /* pop dx */ *pbPatch++ = 0x59; /* pop cx */ *pbPatch++ = 0x5b; /* pop bx */ *pbPatch++ = 0x5d; /* pop bp */ *pbPatch++ = 0xcb; /* retf */ #endif } else { LogRelFunc(("No patch pattern match!\n")); return VERR_NOT_FOUND; } return VINF_SUCCESS; } #endif /** * Patcher callback for OS2LDR. * * There are one or two delay calibration loops here that doesn't work well on * fast CPUs. Typically ends up with division by chainsaw, which in a BIOS * context means an unending loop as the BIOS \#DE handler doesn't do much. * * The patching is simplictic, in that it just returns a constant value. We * could rewrite this to use RDTSC and some secret MSR/whatever for converting * that to a decent loop count. */ /*static*/ int UnattendedOs2Installer::patchOs2Ldr(uint8_t *pbFile, size_t cbFile, const char *pszFilename, UnattendedOs2Installer *pThis) { RT_NOREF(pThis, pszFilename); /* * This first variant is from ACP2: * * VBoxDbg> r * eax=00001000 ebx=00010000 ecx=56d8ffd5 edx=178b0000 esi=00000000 edi=0000b750 * eip=0000847a esp=0000cfe8 ebp=00000000 iopl=0 nv up ei pl zr na po nc * cs=2000 ds=2000 es=2000 fs=0000 gs=0000 ss=2000 eflags=00000246 * 2000:0000847a f7 fb idiv bx * VBoxDbg> ucfg 2000:840a * * This is a little annoying because it stores the result in a global variable, * so we cannot just do an early return, instead we have to have to jump to the * end of the function so it can be stored correctly. */ static uint8_t const s_abVariant1[] = { /*2000:840a*/ 0x60, /* pushaw */ /*2000:840b*/ 0x1e, /* push DS */ /*2000:840c*/ 0x0e, /* push CS */ /*2000:840d*/ 0x1f, /* pop DS */ /*2000:840e*/ 0x9c, /* pushfw */ /*2000:840f*/ 0xfa, /* cli */ /*2000:8410*/ 0xb0, 0x34, /* mov AL, 034h */ /*2000:8412*/ 0xe6, 0x43, /* out 043h, AL */ /*2000:8414*/ 0xe8, 0x75, 0xfc, /* call 0808ch */ /*2000:8417*/ 0x32, 0xc0, /* xor al, al */ /*2000:8419*/ 0xe6, 0x40, /* out 040h, AL */ /*2000:841b*/ 0xe8, 0x6e, 0xfc, /* call 0808ch */ /*2000:841e*/ 0xe6, 0x40, /* out 040h, AL */ /*2000:8420*/ 0xe8, 0x69, 0xfc, /* call 0808ch */ /*2000:8423*/ 0xb0, 0x00, /* mov AL, 000h */ /*2000:8425*/ 0xe6, 0x43, /* out 043h, AL */ /*2000:8427*/ 0xe8, 0x62, 0xfc, /* call 0808ch */ /*2000:842a*/ 0xe4, 0x40, /* in AL, 040h */ /*2000:842c*/ 0xe8, 0x5d, 0xfc, /* call 0808ch */ /*2000:842f*/ 0x8a, 0xd8, /* mov bl, al */ /*2000:8431*/ 0xe4, 0x40, /* in AL, 040h */ /*2000:8433*/ 0x8a, 0xf8, /* mov bh, al */ /*2000:8435*/ 0xb0, 0x00, /* mov AL, 000h */ /*2000:8437*/ 0xe6, 0x43, /* out 043h, AL */ /*2000:8439*/ 0xe8, 0x50, 0xfc, /* call 0808ch */ /*2000:843c*/ 0xe4, 0x40, /* in AL, 040h */ /*2000:843e*/ 0xe8, 0x4b, 0xfc, /* call 0808ch */ /*2000:8441*/ 0x8a, 0xc8, /* mov cl, al */ /*2000:8443*/ 0xe4, 0x40, /* in AL, 040h */ /*2000:8445*/ 0x8a, 0xe8, /* mov ch, al */ /*2000:8447*/ 0xbe, 0x00, 0x10, /* mov si, 01000h */ /*2000:844a*/ 0x87, 0xdb, /* xchg bx, bx */ /*2000:844c*/ 0x4e, /* dec si */ /*2000:844d*/ 0x75, 0xfd, /* jne -003h (0844ch) */ /*2000:844f*/ 0xb0, 0x00, /* mov AL, 000h */ /*2000:8451*/ 0xe6, 0x43, /* out 043h, AL */ /*2000:8453*/ 0xe8, 0x36, 0xfc, /* call 0808ch */ /*2000:8456*/ 0xe4, 0x40, /* in AL, 040h */ /*2000:8458*/ 0xe8, 0x31, 0xfc, /* call 0808ch */ /*2000:845b*/ 0x8a, 0xd0, /* mov dl, al */ /*2000:845d*/ 0xe4, 0x40, /* in AL, 040h */ /*2000:845f*/ 0x8a, 0xf0, /* mov dh, al */ /*2000:8461*/ 0x9d, /* popfw */ /*2000:8462*/ 0x2b, 0xd9, /* sub bx, cx */ /*2000:8464*/ 0x2b, 0xca, /* sub cx, dx */ /*2000:8466*/ 0x2b, 0xcb, /* sub cx, bx */ /*2000:8468*/ 0x87, 0xca, /* xchg dx, cx */ /*2000:846a*/ 0xb8, 0x28, 0x00, /* mov ax, 00028h */ /*2000:846d*/ 0xf7, 0xea, /* imul dx */ /*2000:846f*/ 0xbb, 0x18, 0x00, /* mov bx, 00018h */ /*2000:8472*/ 0xf7, 0xfb, /* idiv bx */ /*2000:8474*/ 0x33, 0xd2, /* xor dx, dx */ /*2000:8476*/ 0xbb, 0x00, 0x10, /* mov bx, 01000h */ /*2000:8479*/ 0x93, /* xchg bx, ax */ /*2000:847a*/ 0xf7, 0xfb, /* idiv bx */ /*2000:847c*/ 0x0b, 0xd2, /* or dx, dx */ /*2000:847e*/ 0x74, 0x01, /* je +001h (08481h) */ /*2000:8480*/ 0x40, /* inc ax */ /*2000:8481*/ 0x40, /* inc ax */ /*2000:8482*/ 0xa3, 0x4d, 0xac, /* mov word [0ac4dh], ax */ /*2000:8485*/ 0x1f, /* pop DS */ /*2000:8486*/ 0x61, /* popaw */ /*2000:8487*/ 0xc3, /* retn */ }; static uint8_t const s_abVariant1Mask[] = { /*2000:840a*/ 0xff, /* pushaw */ /*2000:840b*/ 0xff, /* push DS */ /*2000:840c*/ 0xff, /* push CS */ /*2000:840d*/ 0xff, /* pop DS */ /*2000:840e*/ 0xff, /* pushfw */ /*2000:840f*/ 0xff, /* cli */ /*2000:8410*/ 0xff, 0xff, /* mov AL, 034h */ /*2000:8412*/ 0xff, 0xff, /* out 043h, AL */ /*2000:8414*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:8417*/ 0xff, 0xff, /* xor al, al */ /*2000:8419*/ 0xff, 0xff, /* out 040h, AL */ /*2000:841b*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:841e*/ 0xff, 0xff, /* out 040h, AL */ /*2000:8420*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:8423*/ 0xff, 0xff, /* mov AL, 000h */ /*2000:8425*/ 0xff, 0xff, /* out 043h, AL */ /*2000:8427*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:842a*/ 0xff, 0xff, /* in AL, 040h */ /*2000:842c*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:842f*/ 0xff, 0xff, /* mov bl, al */ /*2000:8431*/ 0xff, 0xff, /* in AL, 040h */ /*2000:8433*/ 0xff, 0xff, /* mov bh, al */ /*2000:8435*/ 0xff, 0xff, /* mov AL, 000h */ /*2000:8437*/ 0xff, 0xff, /* out 043h, AL */ /*2000:8439*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:843c*/ 0xff, 0x40, /* in AL, 040h */ /*2000:843e*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:8441*/ 0xff, 0xff, /* mov cl, al */ /*2000:8443*/ 0xff, 0xff, /* in AL, 040h */ /*2000:8445*/ 0xff, 0xff, /* mov ch, al */ /*2000:8447*/ 0xff, 0x00, 0x00, /* mov si, 01000h - ignore loop count */ /*2000:844a*/ 0xff, 0xff, /* xchg bx, bx */ /*2000:844c*/ 0xff, /* dec si */ /*2000:844d*/ 0xff, 0xfd, /* jne -003h (0844ch) */ /*2000:844f*/ 0xff, 0xff, /* mov AL, 000h */ /*2000:8451*/ 0xff, 0xff, /* out 043h, AL */ /*2000:8453*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:8456*/ 0xff, 0xff, /* in AL, 040h */ /*2000:8458*/ 0xff, 0x00, 0x00, /* call 0808ch - ignore offset */ /*2000:845b*/ 0xff, 0xff, /* mov dl, al */ /*2000:845d*/ 0xff, 0xff, /* in AL, 040h */ /*2000:845f*/ 0xff, 0xff, /* mov dh, al */ /*2000:8461*/ 0xff, /* popfw */ /*2000:8462*/ 0xff, 0xff, /* sub bx, cx */ /*2000:8464*/ 0xff, 0xff, /* sub cx, dx */ /*2000:8466*/ 0xff, 0xff, /* sub cx, bx */ /*2000:8468*/ 0xff, 0xff, /* xchg dx, cx */ /*2000:846a*/ 0xff, 0xff, 0xff, /* mov ax, 00028h */ /*2000:846d*/ 0xff, 0xff, /* imul dx */ /*2000:846f*/ 0xff, 0xff, 0xff, /* mov bx, 00018h */ /*2000:8472*/ 0xff, 0xff, /* idiv bx */ /*2000:8474*/ 0xff, 0xff, /* xor dx, dx */ /*2000:8476*/ 0xff, 0x00, 0x00, /* mov bx, 01000h - ignore loop count */ /*2000:8479*/ 0xff, /* xchg bx, ax */ /*2000:847a*/ 0xff, 0xff, /* idiv bx */ /*2000:847c*/ 0xff, 0xff, /* or dx, dx */ /*2000:847e*/ 0xff, 0xff, /* je +001h (08481h) */ /*2000:8480*/ 0xff, /* inc ax */ /*2000:8481*/ 0xff, /* inc ax */ /*2000:8482*/ 0xff, 0x00, 0x00, /* mov word [0ac4dh], ax */ /*2000:8485*/ 0xff, /* pop DS */ /*2000:8486*/ 0xff, /* popaw */ /*2000:8487*/ 0xff, /* retn */ }; AssertCompile(sizeof(s_abVariant1Mask) == sizeof(s_abVariant1)); /* uUser1 = off to start injecting code; uUser2 = jump target offset from start of pattern */ static const OS2CODEPATTERN s_aPatterns[] = { { s_abVariant1, s_abVariant1Mask, sizeof(s_abVariant1Mask), 0x840e - 0x840a, 0x8482 - 0x840a, 0, 0, 0 }, }; PCOS2CODEPATTERN pPattern; uint8_t *pbHit = findCodePattern(&s_aPatterns[0], RT_ELEMENTS(s_aPatterns), pbFile, cbFile, &pPattern); if (pPattern) { uint8_t *pbJmpTarget = &pbHit[pPattern->uUser2]; uint8_t *pbPatch = &pbHit[pPattern->uUser1]; *pbPatch++ = 0xb8; /* mov ax, 01000h */ *pbPatch++ = 0x00; *pbPatch++ = 0x10; #if 0 *pbPatch++ = 0xfa; /* cli */ *pbPatch++ = 0xf4; /* hlt */ #endif uint16_t offRel16 = (uint16_t)(pbJmpTarget - &pbPatch[3]); *pbPatch++ = 0xe9; /* jmp rel16 */ *pbPatch++ = (uint8_t)offRel16; *pbPatch++ = (uint8_t)(offRel16 >> 8); *pbPatch++ = 0xcc; *pbPatch++ = 0xcc; } else LogRelFunc(("No patch pattern match!\n")); return VINF_SUCCESS; } HRESULT UnattendedOs2Installer::copyFilesToAuxFloppyImage(RTVFS hVfs) { /* * Make sure we've split the files already. */ HRESULT hrc = splitResponseFile(); if (FAILED(hrc)) return hrc; /* * We need to copy over the files needed to boot OS/2. */ static struct { bool fMandatory; const char *apszNames[2]; /**< Will always copy it over using the first name. */ const char *apszDisks[3]; const char *pszMinVer; const char *pszMaxVer; int (*pfnPatcher)(uint8_t *pbFile, size_t cbFile, const char *pszFilename, UnattendedOs2Installer *pThis); } const s_aFiles[] = { { true, { "OS2BOOT", NULL }, { "DISK_0", NULL, NULL }, "2.1", NULL, NULL }, /* 2.0 did not have OS2BOOT */ { true, { "OS2LDR", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, patchOs2Ldr }, { true, { "OS2LDR.MSG", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL }, { true, { "OS2KRNL", "OS2KRNLI" }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL }, /* OS2KRNLI seems to trigger question for 2nd floppy */ { true, { "OS2DUMP", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL }, { true, { "ANSICALL.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "BKSCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "BMSCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "BVHINIT.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "BVSCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "CDFS.IFS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "CLOCK01.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "COUNT437.SYS", "COUNTRY.SYS" }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "DOS.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "DOSCALL1.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "IBM1FLPY.ADD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "IBM1S506.ADD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "IBMIDECD.FLT", NULL }, { "DISK_1", "DISK_2", NULL }, "4.0", NULL, NULL }, /* not in 2.1 & Warp3 */ { true, { "IBMKBD.SYS", "KBD01.SYS"/*?*/}, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, #if 1 /* Sometimes takes forever. (Bad IODelay count? Fixed by OS2LDR patching?) Removing seems to cause testcfg.sys to crash. */ { true, { "ISAPNP.SNP", NULL }, { "DISK_1", "DISK_2", NULL }, "4.0", NULL, NULL }, /* not in 2.1 */ #endif { true, { "KBDBASE.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, "3.0", NULL, NULL }, /* not in 2.1 */ { true, { "KBDCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "KEYBOARD.DCP", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "MOUCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "MSG.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "NAMPIPES.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "NLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "OS2CDROM.DMD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "OS2CHAR.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "OS2DASD.DMD", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "OS2LVM.DMD", NULL }, { "DISK_1", "DISK_2", NULL }, "4.5", NULL, NULL }, { true, { "OS2VER", NULL }, { "DISK_0", NULL, NULL }, NULL, NULL, NULL }, { true, { "PNP.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, "4.0", NULL, NULL }, { true, { "QUECALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "RESOURCE.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, "3.0", NULL, NULL }, /* not in 2.1*/ { true, { "SCREEN01.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "SESMGR.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "TESTCFG.SYS", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL, /*patchTestCfg*/ }, { true, { "VIO437.DCP", "VTBL850.DCP" }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, { true, { "VIOCALLS.DLL", NULL }, { "DISK_1", "DISK_2", NULL }, NULL, NULL, NULL }, }; RTVFS hVfsOrgIso; hrc = openInstallIsoImage(&hVfsOrgIso); if (SUCCEEDED(hrc)) { for (size_t i = 0; i < RT_ELEMENTS(s_aFiles); i++) { bool fCopied = false; for (size_t iDisk = 0; iDisk < RT_ELEMENTS(s_aFiles[i].apszDisks) && s_aFiles[i].apszDisks[iDisk] && !fCopied; iDisk++) { for (size_t iName = 0; iName < RT_ELEMENTS(s_aFiles[i].apszNames) && s_aFiles[i].apszNames[iName]; iName++) { char szPath[256]; int vrc = RTPathJoin(szPath, sizeof(szPath), mStrOs2Images.c_str(), s_aFiles[i].apszDisks[iDisk]); if (RT_SUCCESS(vrc)) vrc = RTPathAppend(szPath, sizeof(szPath), s_aFiles[i].apszNames[iName]); AssertRCBreakStmt(vrc, hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("RTPathJoin/Append failed for %s: %Rrc"), s_aFiles[i].apszNames[iName], vrc)); RTVFSFILE hVfsSrc; vrc = RTVfsFileOpen(hVfsOrgIso, szPath, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE, &hVfsSrc); if (RT_SUCCESS(vrc)) { RTVFSFILE hVfsDst; vrc = RTVfsFileOpen(hVfs, s_aFiles[i].apszNames[0], RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | (0755 << RTFILE_O_CREATE_MODE_SHIFT), &hVfsDst); if (RT_SUCCESS(vrc)) { if (!s_aFiles[i].pfnPatcher) { /* * Not patching this file, so just pump it thru and close it. */ RTVFSIOSTREAM hVfsIosSrc = RTVfsFileToIoStream(hVfsSrc); RTVFSIOSTREAM hVfsIosDst = RTVfsFileToIoStream(hVfsDst); vrc = RTVfsUtilPumpIoStreams(hVfsIosSrc, hVfsIosDst, 0); RTVfsIoStrmRelease(hVfsIosDst); RTVfsIoStrmRelease(hVfsIosSrc); if (RT_FAILURE(vrc)) hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to write %s to the floppy: %Rrc"), s_aFiles[i].apszNames, vrc); } else { /* * Read the file into memory, do the patching and writed * the patched content to the floppy. */ uint64_t cbFile = 0; vrc = RTVfsFileQuerySize(hVfsSrc, &cbFile); if (RT_SUCCESS(vrc) && cbFile < _32M) { uint8_t *pbFile = (uint8_t *)RTMemTmpAllocZ((size_t)cbFile); if (pbFile) { vrc = RTVfsFileRead(hVfsSrc, pbFile, (size_t)cbFile, NULL); if (RT_SUCCESS(vrc)) { vrc = s_aFiles[i].pfnPatcher(pbFile, (size_t)cbFile, s_aFiles[i].apszNames[0], this); if (RT_SUCCESS(vrc)) { vrc = RTVfsFileWrite(hVfsDst, pbFile, (size_t)cbFile, NULL); if (RT_FAILURE(vrc)) hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to write %s to the floppy: %Rrc"), s_aFiles[i].apszNames, vrc); } else hrc = mpParent->setErrorBoth(E_FAIL, vrc, tr("Patcher failed for '%s': %Rrc"), s_aFiles[i].apszNames, vrc); } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Error reading '%s' into memory for patching: %Rrc"), s_aFiles[i].apszNames, vrc); RTMemTmpFree(pbFile); } else hrc = mpParent->setError(E_OUTOFMEMORY, tr("Failed to allocate %zu bytes for '%s'"), (size_t)cbFile, s_aFiles[i].apszNames); } else if (RT_FAILURE(vrc)) hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to query the size of '%s': %Rrc"), s_aFiles[i].apszNames, vrc); else hrc = mpParent->setErrorBoth(E_FAIL, VERR_OUT_OF_RANGE, tr("File too big to patch: '%s'"), s_aFiles[i].apszNames); } RTVfsFileRelease(hVfsDst); } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to open %s on floppy: %Rrc"), s_aFiles[i].apszNames, vrc); RTVfsFileRelease(hVfsSrc); fCopied = true; break; } } } if (FAILED(hrc)) break; if (!fCopied) { /** @todo do version filtering. */ hrc = mpParent->setErrorBoth(E_FAIL, VERR_FILE_NOT_FOUND, tr("Failed to locate '%s' needed for the install floppy"), s_aFiles[i].apszNames[0]); break; } } RTVfsRelease(hVfsOrgIso); } /* * In addition, we need to add a CONFIG.SYS and the startup script. */ if (SUCCEEDED(hrc)) { Utf8Str strSrc; try { strSrc = mpParent->i_getAuxiliaryBasePath(); strSrc.append("CONFIG.SYS"); } catch (std::bad_alloc &) { return E_OUTOFMEMORY; } hrc = addFileToFloppyImage(hVfs, strSrc.c_str(), "CONFIG.SYS"); } /* * We also want a ALTF2ON.$$$ file so we can see which drivers are loaded * and where it might get stuck. */ if (SUCCEEDED(hrc)) { RTVFSFILE hVfsFile; int vrc = RTVfsFileOpen(hVfs, "ALTF2ON.$$$", RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | (0755 << RTFILE_O_CREATE_MODE_SHIFT), &hVfsFile); if (RT_SUCCESS(vrc)) { /** @todo buggy fat vfs: cannot write empty files */ RTVfsFileWrite(hVfsFile, RT_STR_TUPLE("\r\n"), NULL); RTVfsFileRelease(hVfsFile); } else hrc = mpParent->setErrorBoth(E_FAIL, VERR_FILE_NOT_FOUND, tr("Failed to create 'ALTF2ON.$$$' on the install floppy")); } return hrc; } HRESULT UnattendedOs2Installer::addFilesToAuxVisoVectors(RTCList &rVecArgs, RTCList &rVecFiles, RTVFS hVfsOrgIso, bool fOverwrite) { /* * Make sure we've split the files already. */ HRESULT hrc = splitResponseFile(); if (FAILED(hrc)) return hrc; /* * Add our stuff to the vectors. * * Note! Typcially OS/2 ISOs are without joliet or UDF namespaces, given * their age and tools used to produce them, but more recent ones * like ArcaOS have joliet present. So, to avoid ending up with an * almost empty CDROM in Phase2 because UDF.IFS is loaded and * presenting the joliet namespace, the --name-setup-from-import * option was added to the ISO maker. It will look at the files that * were imported and adjust the --name-setup accordingly (logged). */ try { /* Remaster ISO. */ rVecArgs.append() = "--no-file-mode"; rVecArgs.append() = "--no-dir-mode"; rVecArgs.append() = "--import-iso"; rVecArgs.append(mpParent->i_getIsoPath()); rVecArgs.append() = "--name-setup-from-import"; /* */ /** @todo these enables rock-ridge... */ rVecArgs.append() = "--file-mode=0444"; rVecArgs.append() = "--dir-mode=0555"; /* Add the boot floppy to the ISO: */ rVecArgs.append() = "--eltorito-new-entry"; rVecArgs.append() = "--eltorito-add-image"; rVecArgs.append().assign("VBoxBootFloppy.img=").append(mStrAuxiliaryFloppyFilePath); rVecArgs.append() = "--eltorito-floppy-288"; /* Add the response files and postinstall files to the ISO: */ Utf8Str const &rStrAuxPrefix = mpParent->i_getAuxiliaryBasePath(); size_t i = mVecSplitFiles.size(); while (i-- > 0) { RTCString const &rStrFile = mVecSplitFiles[i]; rVecArgs.append().assign("VBoxCID/").append(rStrFile).append('=').append(rStrAuxPrefix).append(rStrFile); } /* Add the os2_util.exe to the ISO: */ Utf8Str strUnattendedTemplates; int vrc = RTPathAppPrivateNoArchCxx(strUnattendedTemplates); AssertRCReturn(vrc, mpParent->setErrorVrc(vrc)); vrc = RTPathAppendCxx(strUnattendedTemplates, "UnattendedTemplates"); AssertRCReturn(vrc, mpParent->setErrorVrc(vrc)); rVecArgs.append().assign("VBoxCID/os2_util.exe=").append(strUnattendedTemplates).append("/os2_util.exe"); } catch (std::bad_alloc &) { return E_OUTOFMEMORY; } /* * Call parent. */ return UnattendedInstaller::addFilesToAuxVisoVectors(rVecArgs, rVecFiles, hVfsOrgIso, fOverwrite); } /** * Helper for splitFile. */ static const char *splitFileLocateSubstring(const char *pszSrc, size_t cchSrc, const char *pszSubstring, size_t cchSubstring) { char const ch0 = *pszSubstring; while (cchSrc >= cchSubstring) { const char *pszHit0 = (const char *)memchr(pszSrc, ch0, cchSrc - cchSubstring + 1); if (pszHit0) { if (memcmp(pszHit0, pszSubstring, cchSubstring) == 0) return pszHit0; } else break; cchSrc -= (size_t)(pszHit0 - pszSrc) + 1; pszSrc = pszHit0 + 1; } return NULL; } /** * Worker for splitFile(). */ HRESULT UnattendedOs2Installer::splitFileInner(const char *pszFileToSplit, RTCList &rVecSplitFiles, const char *pszSrc, size_t cbLeft) RT_NOEXCEPT { static const char s_szPrefix[] = "@@VBOX_SPLITTER_"; const char * const pszStart = pszSrc; const char * const pszEnd = &pszSrc[cbLeft]; while (cbLeft > 0) { /* * Locate the next split start marker (everything before it is ignored). */ const char *pszMarker = splitFileLocateSubstring(pszSrc, cbLeft, s_szPrefix, sizeof(s_szPrefix) - 1); if (pszMarker) pszMarker += sizeof(s_szPrefix) - 1; else break; if (strncmp(pszMarker, RT_STR_TUPLE("START[")) != 0) return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Unexpected splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_%.64s"), pszFileToSplit, pszMarker - pszStart, pszMarker); pszMarker += sizeof("START[") - 1; const char *pszTail = splitFileLocateSubstring(pszMarker, (size_t)(pszEnd - pszMarker), RT_STR_TUPLE("]@@")); size_t const cchFilename = (size_t)(pszTail - pszMarker); if ( !pszTail || cchFilename > 64 || memchr(pszMarker, '\\', cchFilename) || memchr(pszMarker, '/', cchFilename) || memchr(pszMarker, ':', cchFilename) || memchr(pszMarker, '\0', cchFilename) ) return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Malformed splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_START[%.64s"), pszFileToSplit, cchFilename, pszMarker); int vrc = RTStrValidateEncodingEx(pszMarker, cchFilename, RTSTR_VALIDATE_ENCODING_EXACT_LENGTH); if (RT_FAILURE(vrc)) return mpParent->setErrorBoth(E_FAIL, vrc, tr("Malformed splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_START[%.*Rhxs"), pszFileToSplit, cchFilename, pszTail - pszMarker, pszMarker); const char *pszFilename; try { pszFilename = rVecSplitFiles.append().assign(pszMarker, cchFilename).c_str(); } catch (std::bad_alloc &) { return E_OUTOFMEMORY; } const char *pszDocStart = pszTail + sizeof("]@@") - 1; while (RT_C_IS_SPACE(*pszDocStart)) if (*pszDocStart++ == '\n') break; /* Advance. */ pszSrc = pszDocStart; cbLeft = (size_t)(pszEnd - pszDocStart); /* * Locate the matching end marker (there cannot be any other markers inbetween). */ const char * const pszDocEnd = pszMarker = splitFileLocateSubstring(pszSrc, cbLeft, s_szPrefix, sizeof(s_szPrefix) - 1); if (pszMarker) pszMarker += sizeof(s_szPrefix) - 1; else return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("No END splitter tag for '%s' in '%s'"), pszFilename, pszFileToSplit); if (strncmp(pszMarker, RT_STR_TUPLE("END[")) != 0) return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Unexpected splitter tag in '%s' at offset %p: @@VBOX_SPLITTER_%.64s"), pszFileToSplit, (size_t)(pszEnd - pszMarker), pszMarker); pszMarker += sizeof("END[") - 1; if ( strncmp(pszMarker, pszFilename, cchFilename) != 0 || pszMarker[cchFilename] != ']' || pszMarker[cchFilename + 1] != '@' || pszMarker[cchFilename + 2] != '@') return mpParent->setErrorBoth(E_FAIL, VERR_PARSE_ERROR, tr("Mismatching splitter tag for '%s' in '%s' at offset %p: @@VBOX_SPLITTER_END[%.64Rhxs"), pszFilename, pszFileToSplit, (size_t)(pszEnd - pszMarker), pszMarker); /* Advance. */ pszSrc = pszMarker + cchFilename + sizeof("]@@") - 1; cbLeft = (size_t)(pszEnd - pszSrc); /* * Write out the file. */ Utf8Str strDstFilename; vrc = strDstFilename.assignNoThrow(mpParent->i_getAuxiliaryBasePath()); if (RT_SUCCESS(vrc)) vrc = strDstFilename.appendNoThrow(pszFilename); if (RT_SUCCESS(vrc)) { RTFILE hFile; vrc = RTFileOpen(&hFile, strDstFilename.c_str(), RTFILE_O_CREATE_REPLACE | RTFILE_O_WRITE | RTFILE_O_DENY_WRITE); if (RT_SUCCESS(vrc)) { vrc = RTFileWrite(hFile, pszDocStart, (size_t)(pszDocEnd - pszDocStart), NULL); if (RT_SUCCESS(vrc)) vrc = RTFileClose(hFile); else RTFileClose(hFile); if (RT_FAILURE(vrc)) return mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Error writing '%s' (split out from '%s'): %Rrc"), strDstFilename.c_str(), pszFileToSplit, vrc); } else return mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("File splitter failed to open output file '%s' in '%s': %Rrc (%s)"), pszFilename, pszFileToSplit, vrc, strDstFilename.c_str()); } else return mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("File splitter failed to construct path for '%s' in '%s': %Rrc"), pszFilename, pszFileToSplit, vrc); } return S_OK; } HRESULT UnattendedOs2Installer::splitFile(const char *pszFileToSplit, RTCList &rVecSplitFiles) RT_NOEXCEPT { /* * Read the whole source file into memory, making sure it's zero terminated. */ HRESULT hrc; void *pvSrc; size_t cbSrc; int vrc = RTFileReadAllEx(pszFileToSplit, 0 /*off*/, _16M /*cbMax*/, RTFILE_RDALL_F_TRAILING_ZERO_BYTE | RTFILE_RDALL_F_FAIL_ON_MAX_SIZE | RTFILE_RDALL_O_DENY_WRITE, &pvSrc, &cbSrc); if (RT_SUCCESS(vrc)) { /* * Do the actual splitting in a worker function to avoid needing to * thing about calling RTFileReadAllFree in error paths. */ hrc = splitFileInner(pszFileToSplit, rVecSplitFiles, (const char *)pvSrc, cbSrc); RTFileReadAllFree(pvSrc, cbSrc); } else hrc = mpParent->setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Failed to read '%s' for splitting up: %Rrc"), pszFileToSplit, vrc); return hrc; } HRESULT UnattendedOs2Installer::splitFile(BaseTextScript *pEditor, RTCList &rVecSplitFiles) RT_NOEXCEPT { /* * Get the output from the editor. */ Utf8Str strSrc; HRESULT hrc = pEditor->saveToString(strSrc); if (SUCCEEDED(hrc)) { /* * Do the actual splitting. */ hrc = splitFileInner(pEditor->getDefaultFilename(), rVecSplitFiles, strSrc.c_str(), strSrc.length()); } return hrc; }