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/** -*-c++-*-
* $Id$
*
* This file is part of plptools.
*
* Copyright (C) 2002 Daniel Brahneborg <basic.chello@se>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sisfileheader.h"
#include "plpintl.h"
#include <stdio.h>
#include <stdlib.h>
const int OFF_NUMBER_OF_FILES = 26;
const int OFF_INSTALLATION_DRIVE = 28;
SisRC
SISFileHeader::compareApp(SISFileHeader* other)
{
if (m_uid1 != other->m_uid1)
return SIS_DIFFERENT_APP;
if ((m_major < other->m_major) ||
((m_major == other->m_major) &&
(m_minor < other->m_minor)))
return SIS_VER_EARLIER;
if ((m_major == other->m_major) &&
(m_minor == other->m_minor) &&
(m_variant != other->m_variant))
return SIS_OTHER_VARIANT;
return SIS_SAME_OR_LATER;
}
SisRC
SISFileHeader::fillFrom(uint8_t* buf, int* base, off_t len)
{
if (*base + 68 > len)
return SIS_TRUNCATED;
uint8_t* start = buf + *base;
m_buf = buf;
m_uid1 = read32(start);
if (logLevel >= 1)
printf(_("Got uid1 = %08x\n"), m_uid1);
m_uid2 = read32(start + 4);
if (m_uid2 != 0x1000006d)
{
printf("%s", _("Got bad uid2.\n"));
return SIS_CORRUPTED;
}
if (logLevel >= 2)
printf(_("Got uid2 = %08x\n"), m_uid2);
m_uid3 = read32(start + 8);
if (m_uid3 != 0x10000419)
{
printf("%s", _("Got bad uid3.\n"));
return SIS_CORRUPTED;
}
if (logLevel >= 2)
printf(_("Got uid3 = %08x\n"), m_uid3);
m_uid4 = read32(start + 12);
if (logLevel >= 2)
printf(_("Got uid4 = %08x\n"), m_uid4);
uint16_t crc1 = 0;
for (int i = 0; i < 12; i += 2)
crc1 = updateCrc(crc1, buf[*base + i]);
uint16_t crc2 = 0;
for (int i = 0; i < 12; i += 2)
crc2 = updateCrc(crc2, buf[*base + i + 1]);
if (logLevel >= 2)
printf(_("Got first crc = %08x, wanted %08x\n"),
crc2 << 16 | crc1, m_uid4);
if ((crc2 << 16 | crc1) != m_uid4)
{
printf("%s", _("Got bad crc.\n"));
return SIS_CORRUPTED;
}
m_crc = read16(start + 16);
m_nlangs = read16(start + 18);
if (logLevel >= 2)
printf(_("Got %d languages\n"), m_nlangs);
m_nfiles = read16(start + 20);
if (logLevel >= 2)
printf(_("Got %d files\n"), m_nfiles);
m_nreqs = read16(start + 22);
if (logLevel >= 2)
printf(_("Got %d reqs\n"), m_nreqs);
m_installationLanguage = read16(start + 24);
if (logLevel >= 2)
printf(_("Selected language is %d\n"), m_installationLanguage);
m_installationFiles = read16(start + OFF_NUMBER_OF_FILES);
if (logLevel >= 2)
printf(_("Installed files: %d / %d\n"), m_installationFiles, m_nfiles);
m_installationDrive = read32(start + OFF_INSTALLATION_DRIVE);
if (logLevel >= 2)
printf(_("Installed on drive %c\n"), m_installationDrive);
m_installerVersion = read32(start + 32);
if (logLevel >= 2)
printf(_("Got installer version: %08x\n"), m_installerVersion);
m_options = read16(start + 36);
if (logLevel >= 2)
printf(_("Got options: %04x\n"), m_options);
m_type = read16(start + 38);
if (logLevel >= 2)
printf(_("Got type: %04x\n"), m_type);
m_major = read16(start + 40);
if (logLevel >= 2)
printf(_("Got major: %d\n"), m_major);
m_minor = read16(start + 42);
if (logLevel >= 2)
printf(_("Got minor: %d\n"), m_minor);
m_variant = read32(start + 44);
if (logLevel >= 2)
printf(_("Got variant: %d\n"), m_variant);
m_languagePtr = read32(start + 48);
if (logLevel >= 2)
printf(_("Languages begin at %d\n"), m_languagePtr);
// if (m_languagePtr >= len)
// return SIS_TRUNCATED;
m_filesPtr = read32(start + 52);
if (logLevel >= 2)
printf(_("Files begin at %d\n"), m_filesPtr);
// if (m_filesPtr >= len)
// return SIS_TRUNCATED;
m_reqPtr = read32(start + 56);
if (logLevel >= 2)
printf(_("Requisites begin at %d\n"), m_reqPtr);
// if (m_reqPtr >= len)
// return SIS_TRUNCATED;
m_unknown = read32(start + 60);
m_componentPtr = read32(start + 64);
if (logLevel >= 2)
printf(_("Components begin at %d\n"), m_componentPtr);
// if (m_componentPtr >= len)
// return SIS_TRUNCATED;
*base += 68;
return SIS_OK;
}
void
SISFileHeader::setDrive(char drive)
{
m_installationDrive = drive;
m_buf[OFF_INSTALLATION_DRIVE] = drive;
m_buf[OFF_INSTALLATION_DRIVE + 1] =
m_buf[OFF_INSTALLATION_DRIVE + 2] =
m_buf[OFF_INSTALLATION_DRIVE + 3] = 0;
}
void
SISFileHeader::setFiles(int nFiles)
{
m_installationFiles = nFiles;
write16(m_buf + OFF_NUMBER_OF_FILES, nFiles);
}
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