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canonicalisePathMetaData(): Ignore security.selinux attribute

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Untested, hopefully fixes #1406.

(cherry picked from commit 88b291ffc4)
This commit is contained in:
Eelco Dolstra 2017-06-14 11:41:03 +02:00
parent 1e4885e316
commit 35ea3d62dc
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1 changed files with 5 additions and 1 deletions
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6
src/libstore/local-store.cc
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@ -592,9 +592,13 @@ static void canonicalisePathMetaData_(const Path & path, uid_t fromUid, InodesSe
if ((eaSize = llistxattr(path.c_str(), eaBuf.data(), eaBuf.size())) < 0) if ((eaSize = llistxattr(path.c_str(), eaBuf.data(), eaBuf.size())) < 0)
throw SysError(format("querying extended attributes of ‘%s’") % path); throw SysError(format("querying extended attributes of ‘%s’") % path);
for (auto & eaName: tokenizeString<Strings>(std::string(eaBuf.data(), eaSize), std::string("\000", 1))) for (auto & eaName: tokenizeString<Strings>(std::string(eaBuf.data(), eaSize), std::string("\000", 1))) {
/* Ignore SELinux security labels since these cannot be
removed even by root. */
if (eaName == "security.selinux") continue;
if (lremovexattr(path.c_str(), eaName.c_str()) == -1) if (lremovexattr(path.c_str(), eaName.c_str()) == -1)
throw SysError(format("removing extended attribute ‘%s’ from ‘%s’") % eaName % path); throw SysError(format("removing extended attribute ‘%s’ from ‘%s’") % eaName % path);
}
} }
#endif #endif