/**
* Read the encrypted text from the boot file and print it
*/
void FileManager::printBootText() {
debugC(1, kDebugFile, "printBootText()");
Common::File ofp;
if (!ofp.open(getBootFilename())) {
if (_vm->_gameVariant == kGameVariantH1Dos) {
//TODO initialize properly _boot structure
warning("printBootText - Skipping as H1 Dos may be a freeware");
return;
} else {
error("Missing startup file '%s'", getBootFilename());
}
}
// Allocate space for the text and print it
char *buf = (char *)malloc(_vm->_boot.exit_len + 1);
if (buf) {
// Skip over the boot structure (already read) and read exit text
ofp.seek((long)sizeof(_vm->_boot), SEEK_SET);
if (ofp.read(buf, _vm->_boot.exit_len) != (size_t)_vm->_boot.exit_len)
error("Error while reading startup file");
// Decrypt the exit text, using CRYPT substring
int i;
for (i = 0; i < _vm->_boot.exit_len; i++)
buf[i] ^= s_bootCyper[i % s_bootCyperLen];
buf[i] = '\0';
Utils::notifyBox(buf);
}
free(buf);
ofp.close();
}
/**
* Reads boot file for program environment. Fatal error if not there or
* file checksum is bad. De-crypts structure while checking checksum
*/
void FileManager::readBootFile() {
debugC(1, kDebugFile, "readBootFile()");
Common::File ofp;
if (!ofp.open(getBootFilename())) {
if (_vm->_gameVariant == kGameVariantH1Dos) {
//TODO initialize properly _boot structure
warning("readBootFile - Skipping as H1 Dos may be a freeware");
memset(_vm->_boot._distrib, '\0', sizeof(_vm->_boot._distrib));
_vm->_boot._registered = kRegFreeware;
return;
} else if (_vm->getPlatform() == Common::kPlatformPC) {
warning("readBootFile - Skipping as H2 and H3 Dos may be shareware");
memset(_vm->_boot._distrib, '\0', sizeof(_vm->_boot._distrib));
_vm->_boot._registered = kRegShareware;
return;
} else {
Utils::notifyBox(Common::String::format("Missing startup file '%s'", getBootFilename()));
_vm->getGameStatus()._doQuitFl = true;
return;
}
}
if (ofp.size() < (int32)sizeof(_vm->_boot)) {
Utils::notifyBox(Common::String::format("Corrupted startup file '%s'", getBootFilename()));
_vm->getGameStatus()._doQuitFl = true;
return;
}
_vm->_boot._checksum = ofp.readByte();
_vm->_boot._registered = ofp.readByte();
ofp.read(_vm->_boot._pbswitch, sizeof(_vm->_boot._pbswitch));
ofp.read(_vm->_boot._distrib, sizeof(_vm->_boot._distrib));
_vm->_boot._exitLen = ofp.readUint16LE();
byte *p = (byte *)&_vm->_boot;
byte checksum = 0;
for (uint32 i = 0; i < sizeof(_vm->_boot); i++) {
checksum ^= p[i];
p[i] ^= s_bootCypher[i % s_bootCypherLen];
}
ofp.close();
if (checksum) {
Utils::notifyBox(Common::String::format("Corrupted startup file '%s'", getBootFilename()));
_vm->getGameStatus()._doQuitFl = true;
}
}
/**
* Reads boot file for program environment. Fatal error if not there or
* file checksum is bad. De-crypts structure while checking checksum
*/
void FileManager::readBootFile() {
debugC(1, kDebugFile, "readBootFile()");
Common::File ofp;
if (!ofp.open(getBootFilename())) {
if (_vm->_gameVariant == kGameVariantH1Dos) {
//TODO initialize properly _boot structure
warning("readBootFile - Skipping as H1 Dos may be a freeware");
memset(_vm->_boot.distrib, '\0', sizeof(_vm->_boot.distrib));
_vm->_boot.registered = kRegFreeware;
return;
} else {
error("Missing startup file '%s'", getBootFilename());
}
}
if (ofp.size() < (int32)sizeof(_vm->_boot))
error("Corrupted startup file");
_vm->_boot.checksum = ofp.readByte();
_vm->_boot.registered = ofp.readByte();
ofp.read(_vm->_boot.pbswitch, sizeof(_vm->_boot.pbswitch));
ofp.read(_vm->_boot.distrib, sizeof(_vm->_boot.distrib));
_vm->_boot.exit_len = ofp.readUint16LE();
byte *p = (byte *)&_vm->_boot;
byte checksum = 0;
for (uint32 i = 0; i < sizeof(_vm->_boot); i++) {
checksum ^= p[i];
p[i] ^= s_bootCyper[i % s_bootCyperLen];
}
ofp.close();
if (checksum)
error("Corrupted startup file");
}
