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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2016-2023 Antenore Gatta, Giovanni Panozzo
* Copyright (C) 2023-2024 Hiroyuki Tanaka, Sunil Bhat
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
/**
* @file: remmina_utils.h
* General utility functions, non-GTK related.
*/
#pragma once
#include <glib.h>
#include <gio/gio.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/decoder.h>
#define MAX_COMPRESSED_FILE_SIZE 100000 //100kb file size max
#define NAME_OF_DIGEST "SHA256"
#define RSA_KEYTYPE "RSA"
extern const char *remmina_RSA_PubKey_v1;
extern const char *remmina_RSA_PubKey_v2;
extern const char *remmina_EC_PubKey;
G_BEGIN_DECLS
gint remmina_utils_string_find(GString *haystack, gint start, gint end, const gchar *needle);
gint remmina_utils_string_replace(GString *str, gint pos, gint len, const gchar *replace);
guint remmina_utils_string_replace_all(GString *haystack, const gchar *needle, const gchar *replace);
gchar *remmina_utils_string_strip(const gchar *s);
gchar *remmina_utils_get_lang();
gchar *remmina_utils_get_kernel_name();
gchar *remmina_utils_get_kernel_release();
gchar *remmina_utils_get_kernel_arch();
gchar *remmina_utils_get_lsb_id();
gchar *remmina_utils_get_lsb_description();
gchar *remmina_utils_get_lsb_release();
gchar *remmina_utils_get_lsb_codename();
GHashTable *remmina_utils_get_etc_release();
gchar *remmina_utils_get_dev();
gchar *remmina_utils_get_logical();
gchar *remmina_utils_get_link();
gchar *remmina_utils_get_python();
gchar *remmina_utils_get_mage();
gchar *remmina_sha256_buffer(const guchar *buffer, gssize length);
gchar *remmina_sha1_file(const gchar *filename);
gchar *remmina_gen_random_uuid();
EVP_PKEY *remmina_get_pubkey(const char *keytype, const char *public_key_selection);
gchar *remmina_rsa_encrypt_string(EVP_PKEY *pubkey, const char *instr);
int remmina_decompress_from_memory_to_file(guchar *source, int len, GFile* plugin_file);
int remmina_compress_from_file_to_file(GFile *source, GFile *dest);
gboolean remmina_verify_plugin_signature(const guchar *signature, GFile* plugin_file, size_t message_length, size_t signature_length);
gboolean remmina_execute_plugin_signature_verification(GFile* plugin_file, size_t msg_len, const guchar *sig, size_t sig_len, EVP_PKEY* public_key);
G_END_DECLS
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