From 1deb78f21142ddd92a7574e65250b16a9c4b685d Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Mon, 15 Jul 2019 10:30:16 +0200
Subject: [PATCH] Implemented rdp file parser functions with a callback for
 custom settings.

---
 client/common/file.c          | 28 +++++++++++++++++++++++++---
 include/freerdp/client/file.h |  8 ++++++++
 2 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/client/common/file.c b/client/common/file.c
index 6869e23..c9f076e 100644
--- a/client/common/file.c
+++ b/client/common/file.c
@@ -189,6 +189,7 @@ struct rdp_file
 	int argc;
 	char** argv;
 	int argSize;
+	void* context;
 };
 
 /*
@@ -553,7 +554,13 @@ static BOOL freerdp_client_parse_rdp_file_option(rdpFile* file, char* option, in
 }
 
 BOOL freerdp_client_parse_rdp_file_buffer(rdpFile* file, const BYTE* buffer,
-        size_t size)
+										  size_t size)
+{
+	return freerdp_client_parse_rdp_file_buffer_ex(file, buffer, size, NULL);
+}
+
+BOOL freerdp_client_parse_rdp_file_buffer_ex(rdpFile* file, const BYTE* buffer,
+		size_t size, rdp_file_fkt_parse parse)
 {
 	BOOL rc = FALSE;
 	int index;
@@ -630,7 +637,11 @@ BOOL freerdp_client_parse_rdp_file_buffer(rdpFile* file, const BYTE* buffer,
 			name = beg;
 			value = &d2[1];
 
-			if (*type == 'i')
+			if (parse && parse(file->context, name, *type, value))
+			{
+
+			}
+			else if (*type == 'i')
 			{
 				/* integer type */
 				if (!freerdp_client_parse_rdp_file_integer(file, name, value, index))
@@ -662,6 +673,12 @@ fail:
 
 BOOL freerdp_client_parse_rdp_file(rdpFile* file, const char* name)
 {
+    return freerdp_client_parse_rdp_file_ex(file, name, NULL);
+}
+
+BOOL freerdp_client_parse_rdp_file_ex(rdpFile* file, const char* name,
+									  rdp_file_fkt_parse parse)
+{
 	BOOL status;
 	BYTE* buffer;
 	FILE* fp = NULL;
@@ -713,7 +730,7 @@ BOOL freerdp_client_parse_rdp_file(rdpFile* file, const char* name)
 
 	buffer[file_size] = '\0';
 	buffer[file_size + 1] = '\0';
-	status = freerdp_client_parse_rdp_file_buffer(file, buffer, file_size);
+	status = freerdp_client_parse_rdp_file_buffer_ex(file, buffer, file_size, parse);
 	free(buffer);
 	return status;
 }
@@ -1616,3 +1633,8 @@ void freerdp_client_rdp_file_free(rdpFile* file)
 		free(file);
 	}
 }
+
+void freerdp_client_rdp_file_set_callback_context(rdpFile* file, void* context)
+{
+	file->context = context;
+}
diff --git a/include/freerdp/client/file.h b/include/freerdp/client/file.h
index 74bb3d3..d3d6442 100644
--- a/include/freerdp/client/file.h
+++ b/include/freerdp/client/file.h
@@ -24,13 +24,21 @@
 #include <freerdp/freerdp.h>
 
 typedef struct rdp_file rdpFile;
+typedef BOOL (*rdp_file_fkt_parse)(void* context, const char* key, char type, const char* value);
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/* When using freerdp_client_parse_rdp_file_ex or freerdp_client_parse_rdp_file_buffer_ex
+ * set the context for the callback with this function. */
+FREERDP_API void freerdp_client_rdp_file_set_callback_context(rdpFile* file, void* context);
+
 FREERDP_API BOOL freerdp_client_parse_rdp_file(rdpFile* file, const char* name);
+FREERDP_API BOOL freerdp_client_parse_rdp_file_ex(rdpFile* file, const char* name, rdp_file_fkt_parse parse);
 FREERDP_API BOOL freerdp_client_parse_rdp_file_buffer(rdpFile* file, const BYTE* buffer, size_t size);
+FREERDP_API BOOL freerdp_client_parse_rdp_file_buffer_ex(rdpFile* file, const BYTE* buffer, size_t size,
+                                                         rdp_file_fkt_parse parse);
 FREERDP_API BOOL freerdp_client_populate_settings_from_rdp_file(rdpFile* file, rdpSettings* settings);
 
 FREERDP_API BOOL freerdp_client_populate_rdp_file_from_settings(rdpFile* file, const rdpSettings* settings);
-- 
2.7.4