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LibCore: Implement the 'X' modifier into FilePermissionMask

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This commit is contained in:
Tim Schumacher 2022-07-25 11:54:23 +02:00 • committed by Brian Gianforcaro
parent 8598fbb008
commit 130f04c493
3 changed files with 48 additions and 8 deletions
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20
Userland/Libraries/LibCore/FilePermissionsMask.h
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@ -7,6 +7,7 @@
#pragma once
#include <AK/Error.h>
#include <AK/OwnPtr.h>
#include <AK/String.h>
#include <sys/stat.h>
@ -28,13 +29,30 @@ public:
FilePermissionsMask& add_permissions(mode_t mode);
FilePermissionsMask& remove_permissions(mode_t mode);
mode_t apply(mode_t mode) const { return m_write_mask | (mode & ~m_clear_mask); }
mode_t apply(mode_t mode) const
{
if (m_directory_or_executable_mask && (S_ISDIR(mode) || (mode & 0111) != 0))
mode = m_directory_or_executable_mask->apply(mode);
return m_write_mask | (mode & ~m_clear_mask);
}
mode_t clear_mask() const { return m_clear_mask; }
mode_t write_mask() const { return m_write_mask; }
FilePermissionsMask& directory_or_executable_mask()
{
if (!m_directory_or_executable_mask)
m_directory_or_executable_mask = make<FilePermissionsMask>();
return *m_directory_or_executable_mask;
}
private:
mode_t m_clear_mask; // the bits that will be cleared
mode_t m_write_mask; // the bits that will be set
// A separate mask, only for files that already have some executable bit set or directories.
OwnPtr<FilePermissionsMask> m_directory_or_executable_mask;
};
}