shared: add "nm-utils/nm-compat.h"

2 files changed, 141 insertions, 0 deletions

diff --git a/shared/nm-utils/nm-compat.c b/shared/nm-utils/nm-compat.c
new file mode 100644
index 00000000..22ab675d
--- /dev/null
+++ b/shared/nm-utils/nm-compat.c
@@ -0,0 +1,88 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2017 Red Hat, Inc.
+ */
+
+#include "nm-default.h"
+
+#include "nm-compat.h"
+
+/*****************************************************************************/
+
+static void
+_get_keys_cb (const char *key, const char *val, gpointer user_data)
+{
+	GPtrArray *a = user_data;
+
+	g_ptr_array_add (a, g_strdup (key));
+}
+
+static const char **
+_get_keys (NMSettingVpn *setting,
+           gboolean is_secrets,
+           guint *out_length)
+{
+	guint len;
+	const char **keys = NULL;
+	gs_unref_ptrarray GPtrArray *a = NULL;
+
+	nm_assert (NM_IS_SETTING_VPN (setting));
+
+	a = g_ptr_array_new ();
+	if (is_secrets)
+		nm_setting_vpn_foreach_secret (setting, _get_keys_cb, a);
+	else
+		nm_setting_vpn_foreach_data_item (setting, _get_keys_cb, a);
+	len = a->len;
+
+	if (a->len) {
+		g_ptr_array_sort (a, nm_strcmp_p);
+		g_ptr_array_add (a, NULL);
+		keys = (const char **) g_ptr_array_free (g_steal_pointer (&a), FALSE);
+
+		/* we need to cache the keys *somewhere*. */
+		g_object_set_qdata_full (G_OBJECT (setting),
+		                         is_secrets
+		                         ? NM_CACHED_QUARK ("libnm._nm_setting_vpn_get_secret_keys")
+		                         : NM_CACHED_QUARK ("libnm._nm_setting_vpn_get_data_keys"),
+		                         keys,
+		                         (GDestroyNotify) g_strfreev);
+	}
+
+	NM_SET_OUT (out_length, len);
+	return keys;
+}
+
+const char **
+_nm_setting_vpn_get_data_keys (NMSettingVpn *setting,
+                               guint *out_length)
+{
+	g_return_val_if_fail (NM_IS_SETTING_VPN (setting), NULL);
+
+	return _get_keys (setting, FALSE, out_length);
+}
+
+const char **
+_nm_setting_vpn_get_secret_keys (NMSettingVpn *setting,
+                                 guint *out_length)
+{
+	g_return_val_if_fail (NM_IS_SETTING_VPN (setting), NULL);
+
+	return _get_keys (setting, TRUE, out_length);
+}
diff --git a/shared/nm-utils/nm-compat.h b/shared/nm-utils/nm-compat.h
new file mode 100644
index 00000000..52341690
--- /dev/null
+++ b/shared/nm-utils/nm-compat.h
@@ -0,0 +1,53 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2017 Red Hat, Inc.
+ */
+
+#ifndef __NM_COMPAT_H__
+#define __NM_COMPAT_H__
+
+#include "nm-setting-vpn.h"
+
+const char **_nm_setting_vpn_get_data_keys (NMSettingVpn *setting,
+                                            guint *out_length);
+
+const char **_nm_setting_vpn_get_secret_keys (NMSettingVpn *setting,
+                                              guint *out_length);
+
+#if NM_CHECK_VERSION (1, 11, 0)
+#define nm_setting_vpn_get_data_keys(setting, out_length) \
+	({ \
+		G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
+		nm_setting_vpn_get_data_keys (setting, out_length); \
+		G_GNUC_END_IGNORE_DEPRECATIONS \
+	})
+#define nm_setting_vpn_get_secret_keys(setting, out_length) \
+	({ \
+		G_GNUC_BEGIN_IGNORE_DEPRECATIONS \
+		nm_setting_vpn_get_secret_keys (setting, out_length); \
+		G_GNUC_END_IGNORE_DEPRECATIONS \
+	})
+#else
+#define nm_setting_vpn_get_data_keys(setting, out_length) \
+	_nm_setting_vpn_get_data_keys (setting, out_length)
+#define nm_setting_vpn_get_secret_keys(setting, out_length) \
+	_nm_setting_vpn_get_secret_keys (setting, out_length)
+#endif
+
+#endif /* __NM_COMPAT_H__ */