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Merge pull request #2975 from matthewbauer/fix-nsswitch-issue

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Don’t use entire /etc/nsswitch.conf file
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Eelco Dolstra 2019-07-13 17:08:02 +02:00 committed by GitHub
commit 2f853b20df
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1 changed files with 7 additions and 1 deletions
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8
src/libstore/build.cc
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@ -2734,7 +2734,13 @@ void DerivationGoal::runChild()
on. */ on. */
if (fixedOutput) { if (fixedOutput) {
ss.push_back("/etc/resolv.conf"); 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/services");
ss.push_back("/etc/hosts"); ss.push_back("/etc/hosts");
if (pathExists("/var/run/nscd/socket")) if (pathExists("/var/run/nscd/socket"))