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-rw-r--r--src/rda_protocol.c203
-rw-r--r--src/rda_protocol.h58
2 files changed, 261 insertions, 0 deletions
diff --git a/src/rda_protocol.c b/src/rda_protocol.c
new file mode 100644
index 0000000..91a0f2c
--- /dev/null
+++ b/src/rda_protocol.c
@@ -0,0 +1,203 @@
+/* -*- Mode: C; c-set-style: linux indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* rda_protocol.c - Generic protocol support for remote sessions
+
+ Copyright (C) 2023 Mihai Moldovan <ionic@ionic.de>
+ All rights reserved.
+
+ The RDA Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The RDA Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the Mate Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <rda_protocol.h>
+#include <rda.h>
+#include <rda_x2go.h>
+#include <rda_ogon.h>
+
+static guint supported_protos[RDA_PROTOCOL_MAX] = { };
+static gboolean supported_protos_init = FALSE;
+
+rda_protocol_t
+rda_protocol = RDA_PROTOCOL_MAX;
+
+guint
+rda_get_protocol(void)
+{
+ if (RDA_PROTOCOL_MAX == rda_protocol)
+ {
+ rda_init();
+ }
+
+ return rda_protocol;
+}
+
+static const gchar*
+rda_protocol_name_nx(void)
+{
+ return _("NX");
+}
+
+static const gchar*
+rda_protocol_name_kdrive(void)
+{
+ return _("KDrive");
+}
+
+static const gchar*
+rda_protocol_name_rdp(void)
+{
+ return _("RDP");
+}
+
+static const gchar*
+rda_protocol_name_vnc(void)
+{
+ return _("VNC");
+}
+
+gchar*
+rda_get_protocol_name (void)
+{
+ if (RDA_PROTOCOL_MAX == rda_protocol)
+ rda_init();
+
+ gchar* rda_protocol_name;
+
+ switch(rda_protocol) {
+
+ case RDA_PROTOCOL_NONE:
+ rda_protocol_name = g_strdup(_("local"));
+ break;
+
+ case RDA_PROTOCOL_NX:
+ rda_protocol_name = g_strdup(rda_protocol_name_nx());
+ break;
+
+ case RDA_PROTOCOL_KDRIVE:
+ rda_protocol_name = g_strdup(rda_protocol_name_kdrive());
+ break;
+
+ case RDA_PROTOCOL_RDP:
+ rda_protocol_name = g_strdup(rda_protocol_name_rdp());
+ break;
+
+ case RDA_PROTOCOL_VNC:
+ rda_protocol_name = g_strdup(rda_protocol_name_vnc());
+ break;
+
+ case RDA_PROTOCOL_UNKNOWN:
+ rda_protocol_name = g_strdup(_("unknown"));
+
+ default:
+ rda_protocol_name = g_strdup("");
+
+ }
+
+ /*
+ * Moving g_strdup() down here might sound tempting, but don't do
+ * that.
+ *
+ * Even though, at the time of writing this comment, all functions
+ * used in here actually return a string literal (and as such, a
+ * "const gchar*"), this may not be true forever and it's too easy
+ * to leak memory by copying an already heap-allocated string.
+ */
+ return rda_protocol_name;
+}
+
+static void
+init_supported_protos(void)
+{
+ if (!(supported_protos_init))
+ {
+ /* Initialize the list. */
+#define merge_arr(name) \
+ do \
+ { \
+ for (gsize i = 0; i < rda_supported_protocols_ ## name ## _len; ++i) \
+ { \
+ supported_protos[rda_supported_protocols_ ## name [i]] = TRUE; \
+ } \
+ } \
+ while (0)
+
+#ifdef WITH_REMOTE_AWARENESS_X2GO
+ merge_arr(x2go);
+#endif
+
+#ifdef WITH_REMOTE_AWARENESS_OGON
+ merge_arr(ogon);
+#endif
+
+#undef merge_arr
+ supported_protos_init = TRUE;
+ }
+}
+
+GList*
+rda_supported_protocols(void)
+{
+ GList *proto_list = NULL;
+
+ init_supported_protos();
+
+ for (gsize i = 0; i < RDA_PROTOCOL_MAX; ++i)
+ {
+ if (supported_protos[i])
+ {
+ proto_list = g_list_append (proto_list, GUINT_TO_POINTER(i));
+ }
+ }
+
+ return proto_list;
+}
+
+GList*
+rda_supported_protocols_by_name(void)
+{
+ GList *proto_list_by_name = NULL;
+
+ init_supported_protos();
+
+ for (gsize i = 0; i < RDA_PROTOCOL_MAX; ++i)
+ {
+ if (supported_protos[i])
+ {
+ switch (i)
+ {
+ case RDA_PROTOCOL_NX:
+ proto_list_by_name = g_list_append (proto_list_by_name, g_strdup(rda_protocol_name_nx()));
+ break;
+
+ case RDA_PROTOCOL_KDRIVE:
+ proto_list_by_name = g_list_append (proto_list_by_name, g_strdup(rda_protocol_name_kdrive()));
+ break;
+
+ case RDA_PROTOCOL_RDP:
+ proto_list_by_name = g_list_append (proto_list_by_name, g_strdup(rda_protocol_name_rdp()));
+ break;
+
+ case RDA_PROTOCOL_VNC:
+ proto_list_by_name = g_list_append (proto_list_by_name, g_strdup(rda_protocol_name_vnc()));
+ break;
+ }
+ }
+ }
+
+ return proto_list_by_name;
+}
diff --git a/src/rda_protocol.h b/src/rda_protocol.h
new file mode 100644
index 0000000..982b916
--- /dev/null
+++ b/src/rda_protocol.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C; c-set-style: linux indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* rda_protocol.h - Generic protocol support for remote sessions
+
+ Copyright (C) 2023 Mihai Moldovan <ionic@ionic.de>
+ All rights reserved.
+
+ The RDA Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The RDA Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the Mate Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+ */
+
+#ifndef RDA_PROTOCOL_H
+#define RDA_PROTOCOL_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef enum {
+ RDA_PROTOCOL_UNKNOWN = 0,
+ RDA_PROTOCOL_NONE,
+ RDA_PROTOCOL_VNC,
+ RDA_PROTOCOL_RDP,
+ RDA_PROTOCOL_NX,
+ RDA_PROTOCOL_KDRIVE,
+ RDA_PROTOCOL_MAX,
+} rda_protocol_t;
+
+extern rda_protocol_t
+rda_protocol;
+
+guint
+rda_get_protocol(void);
+
+gchar*
+rda_get_protocol_name(void);
+
+GList*
+rda_supported_protocols(void);
+
+GList*
+rda_supported_protocols_by_name(void);
+
+G_END_DECLS
+
+#endif /* RDA_PROTOCOL_H */