Add `Store::isTrustedClient()`

This function returns true or false depending on whether the Nix client
is trusted or not. Mostly relevant when speaking to a remote store with
a daemon.

We include this information in `nix ping store` and `nix doctor`

Co-Authored-By: John Ericson <John.Ericson@Obsidian.Systems>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/libstore/remote-store.hh b/src/libstore/remote-store.hh
index f5f45f853..f220dbc20 100644
--- a/src/libstore/remote-store.hh
+++ b/src/libstore/remote-store.hh
@@ -144,6 +144,8 @@ public:
 
     unsigned int getProtocol() override;
 
+    std::optional<TrustedFlag> isTrustedClient() override;
+
     void flushBadConnections();
 
     struct Connection
@@ -151,6 +153,7 @@ public:
         FdSink to;
         FdSource from;
         unsigned int daemonVersion;
+        std::optional<TrustedFlag> remoteTrustsUs;
         std::optional<std::string> daemonNixVersion;
         std::chrono::time_point<std::chrono::steady_clock> startTime;