Adding upstream version 1.4.34+dfsg.upstream/1.4.34+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 229 insertions, 0 deletions

diff --git a/src/remmina_monitor.c b/src/remmina_monitor.c
new file mode 100644
index 0000000..2b57e7d
--- /dev/null
+++ b/src/remmina_monitor.c
@@ -0,0 +1,229 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2016-2023 Antenore Gatta
+ *
+ * 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.
+ *
+ */
+
+#include "config.h"
+#include "remmina_monitor.h"
+#include "remmina_log.h"
+#include "remmina_public.h"
+#include "remmina/remmina_trace_calls.h"
+
+RemminaMonitor *rm_monitor;
+
+static void remmina_monitor_can_reach_cb (GNetworkMonitor *netmonitor, GAsyncResult *result, RemminaMonitor *monitor)
+{
+	g_autoptr (GError) error = NULL;
+
+	gchar *status = NULL;
+
+	gboolean is_reachable = g_network_monitor_can_reach_finish (netmonitor, result, &error);
+
+	const gchar *addr_tostr = g_strdup(g_socket_connectable_to_string (monitor->addr));
+	//gchar *value = (gchar *)g_hash_table_lookup (monitor->server_status, addr_tostr);
+
+	if (is_reachable) {
+
+		REMMINA_DEBUG ("Network object %s is reachable", g_socket_connectable_to_string (monitor->addr));
+		status = g_strdup ("online");
+
+	} else {
+
+		REMMINA_DEBUG ("Network object %s is not reachable", g_socket_connectable_to_string (monitor->addr));
+		status = g_strdup ("offline");
+	}
+
+	if (g_hash_table_replace (monitor->server_status, g_strdup(addr_tostr), g_strdup(status))) {
+		REMMINA_DEBUG ("Inserting %s -> %s", addr_tostr, status);
+	} else {
+		REMMINA_DEBUG ("Replacing %s -> %s", addr_tostr, status);
+	}
+
+	/* Cannot use remminafile here because is freed by remmina_file_manager_iterate */
+	//if (remminafile)
+		//remmina_file_set_state_int (remminafile, "reachable", reachable);
+	g_free (status);
+}
+
+gchar *remmina_monitor_can_reach(RemminaFile *remminafile, RemminaMonitor *monitor)
+{
+	TRACE_CALL(__func__);
+
+	const gchar *server;
+	const gchar *ssh_tunnel_server;
+	const gchar *addr_tostr = NULL;
+	gchar *status = NULL;
+	gchar *ssh_tunnel_host, *srv_host;
+	gint netmonit, srv_port, ssh_tunnel_port;
+	const gchar *protocol;
+	gint default_port = 0;
+
+
+	if (!remminafile) {
+		status = g_strdup ("I/O Error");
+		REMMINA_DEBUG (status);
+		return NULL;
+	}
+
+	netmonit = remmina_file_get_int(remminafile, "enable-netmonit", FALSE);
+
+	if (!netmonit) {
+		status = g_strdup ("Monitoring disabled");
+		REMMINA_DEBUG (status);
+		return NULL;
+	}
+
+	protocol = remmina_file_get_string (remminafile, "protocol");
+
+	if (protocol && protocol[0] != '\0') {
+		REMMINA_DEBUG ("Evaluating protocol %s for monitoring", protocol);
+		if (g_strcmp0("RDP", protocol) == 0)
+			default_port = 3389;
+		if (g_strcmp0("VNC", protocol) == 0)
+			default_port = 5900;
+		if (g_strcmp0("GVNC", protocol) == 0)
+			default_port = 5900;
+		if (g_strcmp0("SPICE", protocol) == 0)
+			default_port = 5900;
+		if (g_strcmp0("WWW", protocol) == 0)
+			default_port = 443;
+		if (g_strcmp0("X2GO", protocol) == 0)
+			default_port = 22;
+		if (g_strcmp0("SSH", protocol) == 0)
+			default_port = 22;
+		if (g_strcmp0("SFTP", protocol) == 0)
+			default_port = 22;
+		if (g_strcmp0("EXEC", protocol) == 0)
+			default_port = -1;
+
+		if (default_port == 0) {
+			status = g_strdup ("Unknown protocol");
+			REMMINA_DEBUG (status);
+			return NULL;
+		}
+		if (default_port < 0) {
+			status = g_strdup ("Cannot monitor");
+			REMMINA_DEBUG (status);
+			return NULL;
+		}
+
+		ssh_tunnel_server = remmina_file_get_string(remminafile, "ssh_tunnel_server");
+		if (remmina_file_get_int(remminafile, "ssh_tunnel_enabled", FALSE)) {
+			remmina_public_get_server_port(ssh_tunnel_server, 22, &ssh_tunnel_host, &ssh_tunnel_port);
+			monitor->addr = g_network_address_new (ssh_tunnel_host, ssh_tunnel_port);
+			g_free(ssh_tunnel_host), ssh_tunnel_host = NULL;
+		} else {
+			server = remmina_file_get_string(remminafile, "server");
+			remmina_public_get_server_port(server, default_port, &srv_host, &srv_port);
+			monitor->addr = g_network_address_new (srv_host, srv_port);
+			g_free(srv_host), srv_host = NULL;
+		}
+		addr_tostr = g_strdup(g_socket_connectable_to_string (monitor->addr));
+
+		REMMINA_DEBUG ("addr is %s", addr_tostr);
+		if (monitor->connected && netmonit) {
+			REMMINA_DEBUG ("Testing for %s", addr_tostr);
+			g_network_monitor_can_reach_async (
+					monitor->netmonitor,
+					monitor->addr,
+					NULL,
+					(GAsyncReadyCallback) remmina_monitor_can_reach_cb,
+					monitor);
+		}
+
+
+		status = (gchar *)g_hash_table_lookup (monitor->server_status, addr_tostr);
+		//if (!status)
+			//g_hash_table_insert (monitor->server_status, g_strdup(addr_tostr), "offline");
+
+	}
+
+	if (!status) {
+		return g_strdup(addr_tostr);
+	} else
+		return status;
+
+	//g_free(ssh_tunnel_host), ssh_tunnel_host = NULL;
+	//g_free(srv_host), srv_host = NULL;
+	//g_free(dest), dest = NULL;
+
+}
+
+gboolean remmina_network_monitor_status (RemminaMonitor *rm_monitor)
+{
+	TRACE_CALL(__func__);
+
+	gboolean status = g_network_monitor_get_connectivity (rm_monitor->netmonitor);
+
+	rm_monitor->server_status = g_hash_table_new_full(
+			g_str_hash,
+			g_str_equal,
+			(GDestroyNotify)g_free,
+			(GDestroyNotify)g_free);
+
+	switch (status)
+	{
+		case G_NETWORK_CONNECTIVITY_LOCAL:
+			REMMINA_DEBUG ("G_NETWORK_CONNECTIVITY_LOCAL");
+			rm_monitor->connected = FALSE;
+			break;
+
+		case G_NETWORK_CONNECTIVITY_LIMITED:
+			REMMINA_DEBUG ("G_NETWORK_CONNECTIVITY_LIMITED");
+			rm_monitor->connected = FALSE;
+			break;
+
+		case G_NETWORK_CONNECTIVITY_PORTAL:
+			REMMINA_DEBUG ("G_NETWORK_CONNECTIVITY_PORTAL");
+			rm_monitor->connected = FALSE;
+			break;
+
+		case G_NETWORK_CONNECTIVITY_FULL:
+			REMMINA_DEBUG ("G_NETWORK_CONNECTIVITY_FULL");
+			rm_monitor->connected = TRUE;
+			break;
+	}
+
+	return status;
+}
+
+
+RemminaMonitor *remmina_network_monitor_new ()
+{
+	TRACE_CALL(__func__);
+
+	rm_monitor = g_new0(RemminaMonitor, 1);
+
+	rm_monitor->netmonitor = g_network_monitor_get_default ();
+
+	return rm_monitor;
+}