[PATCH v4 1/7] crypto/tlscreds: Introduce qcrypto_tls_creds_check_endpoint() helper

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Introduce the qcrypto_tls_creds_check_endpoint() helper
to access QCryptoTLSCreds internal 'endpoint' field.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/crypto/tlscreds.h | 14 ++++++++++++++
 crypto/tlscreds.c         | 12 ++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/include/crypto/tlscreds.h b/include/crypto/tlscreds.h
index d0808e391e9..a14e44fac15 100644
--- a/include/crypto/tlscreds.h
+++ b/include/crypto/tlscreds.h
@@ -65,5 +65,19 @@ struct QCryptoTLSCredsClass {
     CryptoTLSCredsReload reload;
 };
 
+/**
+ * qcrypto_tls_creds_check_endpoint:
+ * @creds: pointer to a TLS credentials object
+ * @endpoint: type of network endpoint that will be using the credentials
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Check whether the credentials is setup according to
+ * the type of @endpoint argument.
+ *
+ * Returns true if the credentials is setup for the endpoint, false otherwise
+ */
+bool qcrypto_tls_creds_check_endpoint(QCryptoTLSCreds *creds,
+                                      QCryptoTLSCredsEndpoint endpoint,
+                                      Error **errp);
 
 #endif /* QCRYPTO_TLSCREDS_H */
diff --git a/crypto/tlscreds.c b/crypto/tlscreds.c
index b68735f06fe..084ce0d51ae 100644
--- a/crypto/tlscreds.c
+++ b/crypto/tlscreds.c
@@ -20,6 +20,7 @@
 
 #include "qemu/osdep.h"
 #include "qapi/error.h"
+#include "qapi-types-crypto.h"
 #include "qemu/module.h"
 #include "tlscredspriv.h"
 #include "trace.h"
@@ -259,6 +260,17 @@ qcrypto_tls_creds_finalize(Object *obj)
     g_free(creds->priority);
 }
 
+bool qcrypto_tls_creds_check_endpoint(QCryptoTLSCreds *creds,
+                                      QCryptoTLSCredsEndpoint endpoint,
+                                      Error **errp)
+{
+    if (creds->endpoint != endpoint) {
+        error_setg(errp, "Expected TLS credentials for a %s endpoint",
+                   QCryptoTLSCredsEndpoint_str(endpoint));
+        return false;
+    }
+    return true;
+}
 
 static const TypeInfo qcrypto_tls_creds_info = {
     .parent = TYPE_OBJECT,
-- 
2.31.1