Return the failing engine ID in the error stack.

Noted by doug@ in an earlier revision of the dynamic engine removal patch, but
I had forgotten to include it in the latest version.

2 files changed, 8 insertions, 4 deletions

diff --git a/src/lib/libcrypto/engine/eng_list.c b/src/lib/libcrypto/engine/eng_list.c
index 7f3cb35515..30f09adc73 100644
--- a/src/lib/libcrypto/engine/eng_list.c
+++ b/src/lib/libcrypto/engine/eng_list.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: eng_list.c,v 1.19 2015/06/19 06:05:11 bcook Exp $ */
+/* $OpenBSD: eng_list.c,v 1.20 2015/06/19 06:32:43 bcook Exp $ */
 /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
  * project 2000.
  */
@@ -380,8 +380,10 @@ ENGINE_by_id(const char *id)
         }
         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 
-        if (iterator == NULL)
+        if (iterator == NULL) {
                 ENGINEerr(ENGINE_F_ENGINE_BY_ID, ENGINE_R_NO_SUCH_ENGINE);
+                ERR_asprintf_error_data("id=%s", id);
+        }
         return iterator;
 }
 
diff --git a/src/lib/libssl/src/crypto/engine/eng_list.c b/src/lib/libssl/src/crypto/engine/eng_list.c
index 7f3cb35515..30f09adc73 100644
--- a/src/lib/libssl/src/crypto/engine/eng_list.c
+++ b/src/lib/libssl/src/crypto/engine/eng_list.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: eng_list.c,v 1.19 2015/06/19 06:05:11 bcook Exp $ */
+/* $OpenBSD: eng_list.c,v 1.20 2015/06/19 06:32:43 bcook Exp $ */
 /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
  * project 2000.
  */
@@ -380,8 +380,10 @@ ENGINE_by_id(const char *id)
         }
         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 
-        if (iterator == NULL)
+        if (iterator == NULL) {
                 ENGINEerr(ENGINE_F_ENGINE_BY_ID, ENGINE_R_NO_SUCH_ENGINE);
+                ERR_asprintf_error_data("id=%s", id);
+        }
         return iterator;
 }