s3-librpc: Add dcerpc_binding_vector_dup().

2 files changed, 45 insertions, 0 deletions

diff --git a/source3/librpc/rpc/dcerpc_ep.c b/source3/librpc/rpc/dcerpc_ep.c
index 520460a853..d73c43dc64 100644
--- a/source3/librpc/rpc/dcerpc_ep.c
+++ b/source3/librpc/rpc/dcerpc_ep.c
@@ -243,6 +243,39 @@ NTSTATUS dcerpc_binding_vector_add_unix(const struct ndr_interface_table *iface,
 	return NT_STATUS_OK;
 }
 
+struct dcerpc_binding_vector *dcerpc_binding_vector_dup(TALLOC_CTX *mem_ctx,
+							const struct dcerpc_binding_vector *bvec)
+{
+	struct dcerpc_binding_vector *v;
+	uint32_t i;
+
+	v = talloc(mem_ctx, struct dcerpc_binding_vector);
+	if (v == NULL) {
+		return NULL;
+	}
+
+	v->bindings = talloc_array(v, struct dcerpc_binding, bvec->allocated);
+	if (v->bindings == NULL) {
+		talloc_free(v);
+		return NULL;
+	}
+	v->allocated = bvec->allocated;
+
+	for (i = 0; i < bvec->count; i++) {
+		struct dcerpc_binding *b;
+
+		b = dcerpc_binding_dup(v->bindings, &bvec->bindings[i]);
+		if (b == NULL) {
+			talloc_free(v);
+			return NULL;
+		}
+		v->bindings[i] = *b;
+	}
+	v->count = bvec->count;
+
+	return v;
+}
+
 NTSTATUS dcerpc_binding_vector_create(TALLOC_CTX *mem_ctx,
 				      const struct ndr_interface_table *iface,
 				      uint16_t port,
diff --git a/source3/librpc/rpc/dcerpc_ep.h b/source3/librpc/rpc/dcerpc_ep.h
index 421038f0ad..c982ff853c 100644
--- a/source3/librpc/rpc/dcerpc_ep.h
+++ b/source3/librpc/rpc/dcerpc_ep.h
@@ -83,6 +83,18 @@ NTSTATUS dcerpc_binding_vector_add_unix(const struct ndr_interface_table *iface,
 					struct dcerpc_binding_vector *bvec,
 					const char *name);
 
+/**
+ * @brief Duplicate a dcerpc_binding_vector.
+ *
+ * @param[in] mem_ctx   The memory context to create the duplicate on.
+ *
+ * @param[in] bvec      The binding vector to duplicate.
+ *
+ * @return              The duplicated binding vector or NULL on error.
+ */
+struct dcerpc_binding_vector *dcerpc_binding_vector_dup(TALLOC_CTX *mem_ctx,
+							const struct dcerpc_binding_vector *bvec);
+
 NTSTATUS dcerpc_binding_vector_create(TALLOC_CTX *mem_ctx,
 				      const struct ndr_interface_table *iface,
 				      uint16_t port,