+lib_retcode get_privileges_mapping(const std::string &from_version,
+ const std::string &to_version,
+ const std::vector<std::string> &privileges,
+ char ***privileges_mappings,
+ size_t *mappings_count)
+{
+ using namespace SecurityManager;
+ MessageBuffer send, recv;
+ Serialization::Serialize(send, static_cast<int>(SecurityModuleCall::GET_PRIVILEGES_MAPPING));
+ Serialization::Serialize(send, from_version);
+ Serialization::Serialize(send, to_version);
+ Serialization::Serialize(send, privileges);
+
+ //send buffer to server
+ int retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
+ if (retval != SECURITY_MANAGER_API_SUCCESS) {
+ LogError("Error in sendToServer. Error code: " << retval);
+ return SECURITY_MANAGER_ERROR_UNKNOWN;
+ }
+
+ //receive response from server
+ Deserialization::Deserialize(recv, retval);
+
+ switch(retval) {
+ case SECURITY_MANAGER_API_SUCCESS:
+ // success - continue
+ break;
+ case SECURITY_MANAGER_API_ERROR_OUT_OF_MEMORY:
+ return SECURITY_MANAGER_ERROR_MEMORY;
+ case SECURITY_MANAGER_API_ERROR_INPUT_PARAM:
+ return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+ default:
+ return SECURITY_MANAGER_ERROR_UNKNOWN;
+ }
+
+ unsigned int count;
+ Deserialization::Deserialize(recv, count);
+ LogInfo("Number of privilege mappings: " << count);
+ size_t i = 0;
+ auto free_mapping = std::bind(security_manager_privilege_mapping_free,
+ std::placeholders::_1, std::ref(i));
+ std::unique_ptr<char *[], decltype (free_mapping)> mappings_ptr(new char *[count], free_mapping);
+
+ for (; i < count; ++i) {
+ std::string privilege_mapping;
+ Deserialization::Deserialize(recv, privilege_mapping);
+ if (privilege_mapping.empty()) {
+ LogError("Unexpected empty privilege mapping");
+ return SECURITY_MANAGER_ERROR_UNKNOWN;
+ }
+
+ mappings_ptr.get()[i] = strdup(privilege_mapping.c_str());
+ if (mappings_ptr.get()[i] == nullptr)
+ return SECURITY_MANAGER_ERROR_MEMORY;
+ }
+
+ *privileges_mappings = mappings_ptr.release();
+ *mappings_count = count;
+
+ return SECURITY_MANAGER_SUCCESS;
+}
+