diff options
| -rw-r--r-- | src/libstore/build.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index 350ac40928..cf6428e124 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -2734,7 +2734,13 @@ void DerivationGoal::runChild() on. */ if (fixedOutput) { ss.push_back("/etc/resolv.conf"); - ss.push_back("/etc/nsswitch.conf"); + + // Only use nss functions to resolve hosts and + // services. Don’t use it for anything else that may + // be configured for this system. This limits the + // potential impurities introduced in fixed outputs. + writeFile(chrootRootDir + "/etc/nsswitch.conf", "hosts: files dns\nservices: files\n"); + ss.push_back("/etc/services"); ss.push_back("/etc/hosts"); if (pathExists("/var/run/nscd/socket")) |