4 files changed, 15 insertions, 6 deletions
diff --git a/src/download-via-ssh/download-via-ssh.cc b/src/download-via-ssh/download-via-ssh.cc
index 466233c7a5e5..688fb523a77a 100644
--- a/src/download-via-ssh/download-via-ssh.cc
+++ b/src/download-via-ssh/download-via-ssh.cc
@@ -103,7 +103,7 @@ void run(Strings args)
 
     /* Pass on the location of the daemon client's SSH authentication
        socket. */
-    string sshAuthSock = settings.get("ssh-auth-sock");
+    string sshAuthSock = settings.get("ssh-auth-sock", "");
     if (sshAuthSock != "") setenv("SSH_AUTH_SOCK", sshAuthSock.c_str(), 1);
 
     string host = settings.sshSubstituterHosts.front();
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index 8fad6e5a9f83..23ece4a23369 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -63,8 +63,6 @@ Settings::Settings()
     lockCPU = getEnv("NIX_AFFINITY_HACK", "1") == "1";
     showTrace = false;
     enableImportNative = false;
-    trustedUsers = Strings({"root"});
-    allowedUsers = Strings({"*"});
 }
 
 
@@ -130,6 +128,14 @@ string Settings::get(const string & name, const string & def)
 }
 
 
+Strings Settings::get(const string & name, const Strings & def)
+{
+    auto i = settings.find(name);
+    if (i == settings.end()) return def;
+    return tokenizeString<Strings>(i->second);
+}
+
+
 void Settings::update()
 {
     _get(tryFallback, "build-fallback");
@@ -161,8 +167,6 @@ void Settings::update()
     _get(logServers, "log-servers");
     _get(enableImportNative, "allow-unsafe-native-code-during-evaluation");
     _get(useCaseHack, "use-case-hack");
-    _get(trustedUsers, "trusted-users");
-    _get(allowedUsers, "allowed-users");
 
     string subs = getEnv("NIX_SUBSTITUTERS", "default");
     if (subs == "default") {
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 1202f5dd2336..743d2061ffa5 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -21,7 +21,9 @@ struct Settings {
 
     void set(const string & name, const string & value);
 
-    string get(const string & name, const string & def = "");
+    string get(const string & name, const string & def);
+
+    Strings get(const string & name, const Strings & def);
 
     void update();
 
diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index 2d6a3c4c416b..77c63f1e6d06 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -743,6 +743,9 @@ static void daemonLoop()
             struct group * gr = getgrgid(cred.gid);
             string group = gr ? gr->gr_name : int2String(cred.gid);
 
+            Strings trustedUsers = settings.get("trusted-users", Strings({"root"}));
+            Strings allowedUsers = settings.get("allowed-users", Strings({"*"}));
+
             if (matchUser(user, group, settings.trustedUsers))
                 trusted = true;