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Check for compressed files in the extractor (#3292)

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* Check for zip/rar header in the extractor.

* 7z
This commit is contained in:
louist103 2023-10-26 20:39:26 -04:00 committed by GitHub
parent 7d120a021f
commit 837072f80f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 28 additions and 0 deletions
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26
soh/soh/Extractor/Extract.cpp
View File

@ -109,6 +109,10 @@ void Extractor::ShowCrcErrorBox() const {
ShowErrorBox("Rom CRC invalid", "Rom CRC did not match the list of known good roms. Please find another.");
}
void Extractor::ShowCompressedErrorBox() const {
ShowErrorBox("File is Compressed", "The selected file appears to be compressed. Please extract before using.");
}
int Extractor::ShowRomPickBox(uint32_t verCrc) const {
std::unique_ptr<char[]> boxBuffer = std::make_unique<char[]>(mCurrentRomPath.size() + 100);
SDL_MessageBoxData boxData = { 0 };
@ -328,6 +332,24 @@ bool Extractor::ValidateAndFixRom() {
return false;
}
// The file box will only allow selecting an n64 rom but typing in the file name will allow selecting anything.
bool Extractor::ValidateNotCompressed() const {
// ZIP file header
if (mRomData[0] == 'P' && mRomData[1] == 'K' && mRomData[2] == 0x03 && mRomData[3] == 0x04) {
return false;
}
// RAR file header. Only the first 4 bytes.
if (mRomData[0] == 'R' && mRomData[1] == 'a' && mRomData[2] == 'r' && mRomData[3] == 0x21) {
return false;
}
// 7z file header. 37 7A BC AF 27 1C
if (mRomData[0] == '7' && mRomData[1] == 'z' && mRomData[2] == 0xBC && mRomData[3] == 0xAF && mRomData[4] == 0x27 && mRomData[5] == 0x1C) {
return false;
}
return true;
}
bool Extractor::ValidateRomSize() const {
if (mCurRomSize != MB32 && mCurRomSize != MB54 && mCurRomSize != MB64) {
return false;
@ -336,6 +358,10 @@ bool Extractor::ValidateRomSize() const {
}
bool Extractor::ValidateRom(bool skipCrcTextBox) {
if (!ValidateNotCompressed()) {
ShowCompressedErrorBox();
return false;
}
if (!ValidateRomSize()) {
ShowSizeErrorBox();
return false;

2
soh/soh/Extractor/Extract.h
View File

@ -38,6 +38,7 @@ class Extractor {
bool ValidateRomSize() const;
bool ValidateRom(bool skipCrcBox = false);
bool ValidateNotCompressed() const;
const char* GetZapdVerStr() const;
void SetRomInfo(const std::string& path);
@ -46,6 +47,7 @@ class Extractor {
void GetRoms(std::vector<std::string>& roms);
void ShowSizeErrorBox() const;
void ShowCrcErrorBox() const;
void ShowCompressedErrorBox() const;
int ShowRomPickBox(uint32_t verCrc) const;
bool ManuallySearchForRom();
bool ManuallySearchForRomMatchingType(RomSearchMode searchMode);