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Kernel: Allow to remove files from sticky directory if user owns it
It's what the Linux chmod(1) manpage says (in the 'Restricted Deletion Flag or Sticky Bit' section), and it just makes sense to me. :^)
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@ -645,7 +645,7 @@ ErrorOr<void> VirtualFileSystem::rename(Credentials const& credentials, Custody&
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return EACCES;
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if (old_parent_inode.metadata().is_sticky()) {
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if (!credentials.is_superuser() && old_inode.metadata().uid != credentials.euid())
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if (!credentials.is_superuser() && old_parent_inode.metadata().uid != credentials.euid() && old_inode.metadata().uid != credentials.euid())
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return EACCES;
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}
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@ -807,7 +807,7 @@ ErrorOr<void> VirtualFileSystem::unlink(Credentials const& credentials, StringVi
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return EACCES;
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if (parent_inode.metadata().is_sticky()) {
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if (!credentials.is_superuser() && inode.metadata().uid != credentials.euid())
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if (!credentials.is_superuser() && parent_inode.metadata().uid != credentials.euid() && inode.metadata().uid != credentials.euid())
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return EACCES;
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}
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