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| author | Helmut Grohne <helmut@subdivi.de> | 2024-04-03 09:21:27 +0200 |
|---|---|---|
| committer | Helmut Grohne <helmut@subdivi.de> | 2024-04-03 09:22:49 +0200 |
| commit | 647d19c436c4cc9a767d96db90059750986cc1f1 (patch) | |
| tree | 9df214912b79c0d5e5b1191d839d5f93ec4423ba | |
| parent | 4dfc9730200329aa02dfe7d90358f0a8453afbd2 (diff) | |
| download | python-linuxnamespaces-647d19c436c4cc9a767d96db90059750986cc1f1.tar.gz | |
AtLocation.readlink: require AT_SYMLINK_NOFOLLOW
It does not make sense to read a link after having followed it.
| -rw-r--r-- | linuxnamespaces/atlocation.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/linuxnamespaces/atlocation.py b/linuxnamespaces/atlocation.py index 79f55bb..66b0947 100644 --- a/linuxnamespaces/atlocation.py +++ b/linuxnamespaces/atlocation.py @@ -413,7 +413,9 @@ class AtLocation: def readlink(self) -> str: """Wrapper for os.readlink supplying path and dir_fd.""" - if self.flags & ~AtFlags.AT_EMPTY_PATH != AtFlags.NONE: + if self.flags & AtFlags.AT_SYMLINK_NOFOLLOW == AtFlags.NONE: + raise NotImplementedError("cannot read a link after following it") + if self.flags & ~AtFlags.AT_EMPTY_PATH != AtFlags.AT_SYMLINK_NOFOLLOW: raise NotImplementedError( "readlink on AtLocation only support flag AT_EMPTY_PATH" ) |