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| author | Reepca Russelstein <reepca@russelstein.xyz> | 2024-10-20 15:39:02 -0500 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2024-10-21 00:09:24 +0200 |
| commit | 5ab3c4c1e43ebb637551223791db0ea3519986e1 (patch) | |
| tree | eed91396837697f77deff12e8c50a54ed01c4cb2 | |
| parent | 558224140dab669cabdaebabff18504a066c48d4 (diff) | |
| download | guix-5ab3c4c1e43ebb637551223791db0ea3519986e1.tar guix-5ab3c4c1e43ebb637551223791db0ea3519986e1.tar.gz | |
daemon: Sanitize successful build outputs prior to exposing them.
There is currently a window of time between when the build outputs are exposed
and when their metadata is canonicalized.
* nix/libstore/build.cc (DerivationGoal::registerOutputs): wait until after
metadata canonicalization to move successful build outputs to the store.
Change-Id: Ia995136f3f965eaf7b0e1d92af964b816f3fb276
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
| -rw-r--r-- | nix/libstore/build.cc | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index 67ebfe2f14..43a8a37184 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -2369,15 +2369,6 @@ void DerivationGoal::registerOutputs() Path actualPath = path; if (useChroot) { actualPath = chrootRootDir + path; - if (pathExists(actualPath)) { - /* Move output paths from the chroot to the store. */ - if (buildMode == bmRepair) - replaceValidPath(path, actualPath); - else - if (buildMode != bmCheck && rename(actualPath.c_str(), path.c_str()) == -1) - throw SysError(format("moving build output `%1%' from the chroot to the store") % path); - } - if (buildMode != bmCheck) actualPath = path; } else { Path redirected = redirectedOutputs[path]; if (buildMode == bmRepair @@ -2463,6 +2454,20 @@ void DerivationGoal::registerOutputs() canonicalisePathMetaData(actualPath, buildUser.enabled() && !rewritten ? buildUser.getUID() : -1, inodesSeen); + if (useChroot) { + if (pathExists(actualPath)) { + /* Now that output paths have been canonicalized (in particular + there are no setuid files left), move them outside of the + chroot and to the store. */ + if (buildMode == bmRepair) + replaceValidPath(path, actualPath); + else + if (buildMode != bmCheck && rename(actualPath.c_str(), path.c_str()) == -1) + throw SysError(format("moving build output `%1%' from the chroot to the store") % path); + } + if (buildMode != bmCheck) actualPath = path; + } + /* For this output path, find the references to other paths contained in it. Compute the SHA-256 NAR hash at the same time. The hash is stored in the database so that we can |