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Improved filename validation

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This commit is contained in:
Uwe Seimet 2021-09-17 19:59:12 +02:00
parent 9663144c45
commit 5b3af7cf9d
1 changed files with 5 additions and 1 deletions
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6
src/raspberrypi/rascsi.cpp
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@ -717,8 +717,12 @@ string SetReservedIds(const string& ids)
bool IsValidFilename(const string& filename)
{
if (filename == "." || filename == "..") {
return false;
}
struct stat st;
return !stat(filename.c_str(), &st) && S_ISREG(st.st_mode);
return stat(filename.c_str(), &st) || !S_ISREG(st.st_mode);
}
bool CreateImage(int fd, const PbCommand& command)