From 44582f821b6c8a473380c1c67c605dc41f435bd3 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Fri, 3 Jun 2022 09:59:47 +0200
Subject: [PATCH] Added utility module for string functions

---
 include/freerdp/utils/string.h  | 39 ++++++++++++++++++++++
 libfreerdp/utils/CMakeLists.txt |  1 +
 libfreerdp/utils/string.c       | 59 +++++++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+)
 create mode 100644 include/freerdp/utils/string.h
 create mode 100644 libfreerdp/utils/string.c

diff --git a/include/freerdp/utils/string.h b/include/freerdp/utils/string.h
new file mode 100644
index 000000000..805930fb2
--- /dev/null
+++ b/include/freerdp/utils/string.h
@@ -0,0 +1,39 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * String Utils - Helper functions converting something to string
+ *
+ * Copyright 2022 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2022 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FREERDP_UTILS_STRING_H
+#define FREERDP_UTILS_STRING_H
+
+#include <freerdp/api.h>
+#include <freerdp/types.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	FREERDP_API char* rdp_redirection_flags_to_string(UINT32 flags, char* buffer, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_UTILS_STRING_H */
diff --git a/libfreerdp/utils/CMakeLists.txt b/libfreerdp/utils/CMakeLists.txt
index 442600c0b..dd5055775 100644
--- a/libfreerdp/utils/CMakeLists.txt
+++ b/libfreerdp/utils/CMakeLists.txt
@@ -26,6 +26,7 @@ set(${MODULE_PREFIX}_SRCS
 	profiler.c
 	ringbuffer.c
 	signal.c
+    string.c
 	smartcard_operations.c
 	smartcard_pack.c
 	smartcard_call.c
diff --git a/libfreerdp/utils/string.c b/libfreerdp/utils/string.c
new file mode 100644
index 000000000..195148416
--- /dev/null
+++ b/libfreerdp/utils/string.c
@@ -0,0 +1,59 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * String Utils - Helper functions converting something to string
+ *
+ * Copyright 2022 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2022 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <freerdp/utils/string.h>
+#include <freerdp/settings.h>
+
+char* rdp_redirection_flags_to_string(UINT32 flags, char* buffer, size_t size)
+{
+	size_t x;
+	struct map_t
+	{
+		UINT32 flag;
+		const char* name;
+	};
+	const struct map_t map[] = {
+		{ LB_TARGET_NET_ADDRESS, "LB_TARGET_NET_ADDRESS" },
+		{ LB_LOAD_BALANCE_INFO, "LB_LOAD_BALANCE_INFO" },
+		{ LB_USERNAME, "LB_USERNAME" },
+		{ LB_DOMAIN, "LB_DOMAIN" },
+		{ LB_PASSWORD, "LB_PASSWORD" },
+		{ LB_DONTSTOREUSERNAME, "LB_DONTSTOREUSERNAME" },
+		{ LB_SMARTCARD_LOGON, "LB_SMARTCARD_LOGON" },
+		{ LB_NOREDIRECT, "LB_NOREDIRECT" },
+		{ LB_TARGET_FQDN, "LB_TARGET_FQDN" },
+		{ LB_TARGET_NETBIOS_NAME, "LB_TARGET_NETBIOS_NAME" },
+		{ LB_TARGET_NET_ADDRESSES, "LB_TARGET_NET_ADDRESSES" },
+		{ LB_CLIENT_TSV_URL, "LB_CLIENT_TSV_URL" },
+		{ LB_SERVER_TSV_CAPABLE, "LB_SERVER_TSV_CAPABLE" },
+	};
+
+	for (x = 0; x < ARRAYSIZE(map); x++)
+	{
+		const struct map_t* cur = &map[x];
+		if (flags & cur->flag)
+		{
+			if (!winpr_str_append(cur->name, buffer, size, "|"))
+				return NULL;
+		}
+	}
+	return buffer;
+}