Adding overload of get_security_files.

Signed-off-by: Miguel Company <MiguelCompany@eprosima.com>

rmw_dds_common/include/rmw_dds_common/security.hpp

@@ -52,6 +52,38 @@ bool get_security_files(
   const std::string & prefix, const std::string & secure_root,
   std::unordered_map<std::string, std::string> & result);
 
+/// Get the set of security files in a security enclave.
+/**
+ * This function will look through the passed in 'secure root'
+ * for a set of required filenames that must be in the enclave.
+ * If any of the required filenames are missing, the 'result'
+ * will be empty and the function will return false.
+ * If all of the required filenames are present, then this function
+ * will fill in the 'result' map with a key-value pair of
+ * friendy name -> filename.  If the prefix is not empty, then
+ * the prefix will be applied to the filename.
+ *
+ * The friendly names that this function will currently fill in are:
+ *   IDENTITY_CA
+ *   CERTIFICATE
+ *   PRIVATE_KEY
+ *   PERMISSIONS_CA
+ *   GOVERNANCE
+ *   PERMISSIONS
+ *
+ * \param[in]  supports_pkcs11 Whether the RMW has support for PKCS#11 URIs.
+ * \param[in]  prefix An optional prefix to apply to the filenames when storing them.
+ * \param[in]  secure_root The path to the security enclave to look at.
+ * \param[out] result The map where the friendly name -> filename pairs are stored.
+ * \return `true` if all required files exist in the security enclave, `false` otherwise.
+ */
+RMW_DDS_COMMON_PUBLIC
+bool get_security_files(
+  bool supports_pkcs11,
+  const std::string & prefix,
+  const std::string & secure_root,
+  std::unordered_map<std::string, std::string> & result);
+
 }  // namespace rmw_dds_common
 
 #endif  // RMW_DDS_COMMON__SECURITY_HPP_

rmw_dds_common/src/security.cpp

@@ -25,6 +25,14 @@ namespace rmw_dds_common
 bool get_security_files(
   const std::string & prefix, const std::string & secure_root,
   std::unordered_map<std::string, std::string> & result)
+{
+  return get_security_files(false, prefix, secure_root, result);
+}
+
+bool get_security_files(
+  bool /* supports_pkcs11 */,
+  const std::string & prefix, const std::string & secure_root,
+  std::unordered_map<std::string, std::string> & result)
 {
   const std::unordered_map<std::string, std::string> required_files{
     {"IDENTITY_CA", "identity_ca.cert.pem"},