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Kernel: Make VirtualFileSystem functions take credentials as input

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Instead of getting credentials from Process::current(), we now require
that they be provided as input to the various VFS functions.

This ensures that an atomic set of credentials is used throughout an
entire VFS operation.
This commit is contained in:
Andreas Kling 2022-08-21 16:02:24 +02:00
parent 9744dedb50
commit c3351d4b9f
33 changed files with 159 additions and 165 deletions
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15
Kernel/FileSystem/InodeMetadata.cpp
View file

@ -9,22 +9,19 @@
namespace Kernel {
bool InodeMetadata::may_read(Process const& process) const
bool InodeMetadata::may_read(Credentials const& credentials) const
{
auto credentials = process.credentials();
return may_read(credentials->euid(), credentials->egid(), credentials->extra_gids());
return may_read(credentials.euid(), credentials.egid(), credentials.extra_gids());
}
bool InodeMetadata::may_write(Process const& process) const
bool InodeMetadata::may_write(Credentials const& credentials) const
{
auto credentials = process.credentials();
return may_write(credentials->euid(), credentials->egid(), credentials->extra_gids());
return may_write(credentials.euid(), credentials.egid(), credentials.extra_gids());
}
bool InodeMetadata::may_execute(Process const& process) const
bool InodeMetadata::may_execute(Credentials const& credentials) const
{
auto credentials = process.credentials();
return may_execute(credentials->euid(), credentials->egid(), credentials->extra_gids());
return may_execute(credentials.euid(), credentials.egid(), credentials.extra_gids());
}
}