Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/modules/EVSE/IsoMux/tools.hpp

@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (C) 2022-2023 chargebyte GmbH
+// Copyright (C) 2022-2023 Contributors to EVerest
+#ifndef TOOLS_H
+#define TOOLS_H
+
+#include <generated/types/evse_security.hpp>
+#include <generated/types/iso15118.hpp>
+#include <netinet/in.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/time.h>
+#include <time.h>
+
+enum Addr6Type {
+    ADDR6_TYPE_UNPSEC = -1,
+    ADDR6_TYPE_GLOBAL = 0,
+    ADDR6_TYPE_LINKLOCAL = 1,
+};
+
+const char* choose_first_ipv6_interface();
+int get_interface_ipv6_address(const char* if_name, enum Addr6Type type, struct sockaddr_in6* addr);
+
+void set_normalized_timespec(struct timespec* ts, time_t sec, int64_t nsec);
+struct timespec timespec_sub(struct timespec lhs, struct timespec rhs);
+long long timespec_to_ms(struct timespec ts);
+
+/*!
+ * \brief get_dir_filename This function searches for a specific name (AFileNameIdentifier) in a file path and stores
+ * the complete name with file ending in \c AFileName
+ * \param file_name is the buffer to write the file name.
+ * \param file_name_len is the length of the buffer.
+ * \param path is the file path which will be used to search for the specific file.
+ * \param file_name_identifier is the identifier of the file (file without file ending).
+ * \return Returns \c true if the file could be found, otherwise \c false.
+ */
+bool get_dir_filename(char* file_name, uint8_t file_name_len, const char* path, const char* file_name_identifier);
+
+/**
+ * \brief convert the given \p hash_algorithm to type types::iso15118::HashAlgorithm
+ * \param hash_algorithm
+ * \return types::iso15118::HashAlgorithm
+ */
+types::iso15118::HashAlgorithm convert_to_hash_algorithm(const types::evse_security::HashAlgorithm hash_algorithm);
+
+#endif /* TOOLS_H */