Merge pull request #2976 from randombit/tls/timestamp_callbackHEADmaster

Introduce TLS::Callbacks::tls_current_timestamp()

1 files changed, 12 insertions, 0 deletions

diff --git a/src/lib/tls/tls_callbacks.h b/src/lib/tls/tls_callbacks.h
index 67da7c5a7..dd52f848e 100644
--- a/src/lib/tls/tls_callbacks.h
+++ b/src/lib/tls/tls_callbacks.h
@@ -15,6 +15,7 @@
 #include <botan/pubkey.h>
 #include <botan/ocsp.h>
 #include <optional>
+#include <chrono>
 
 namespace Botan {
 
@@ -358,6 +359,17 @@ class BOTAN_PUBLIC_API(2,0) Callbacks
        virtual std::string tls_peer_network_identity();
 
        /**
+       * Optional callback: return a custom time stamp value
+       *
+       * This allows the library user to specify a custom "now" timestamp when
+       * needed. By default it will use the current system clock time.
+       *
+       * Note that typical usages will not need to override this callback but it
+       * is useful for testing purposes to allow for deterministic test outcomes.
+       */
+       virtual std::chrono::system_clock::time_point tls_current_timestamp();
+
+       /**
        * Optional callback: error logging. (not currently called)
        * @param err An error message related to this connection.
        */