From a580c8c5e5bd0a92d23004fade8a79e240def5d3 Mon Sep 17 00:00:00 2001
From: Arkshine <hv.contact@gmail.com>
Date: Mon, 9 Mar 2015 00:10:26 +0100
Subject: [PATCH] VFS: Add SetFilePermissions native

---
 amxmodx/file.cpp         | 38 ++++++++++++++++++++++++++++++++++++++
 plugins/include/file.inc | 16 +++++++++++++---
 2 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/amxmodx/file.cpp b/amxmodx/file.cpp
index 1341851b..f64c7a72 100755
--- a/amxmodx/file.cpp
+++ b/amxmodx/file.cpp
@@ -1101,6 +1101,42 @@ static cell AMX_NATIVE_CALL GetFileTime(AMX *amx, cell *params)
 	return static_cast<cell>(time_val);
 }
 
+#define FPERM_U_READ       0x0100   /* User can read.    */
+#define FPERM_U_WRITE      0x0080   /* User can write.   */
+#define FPERM_U_EXEC       0x0040   /* User can exec.    */
+#define FPERM_G_READ       0x0020   /* Group can read.   */
+#define FPERM_G_WRITE      0x0010   /* Group can write.  */
+#define FPERM_G_EXEC       0x0008   /* Group can exec.   */
+#define FPERM_O_READ       0x0004   /* Anyone can read.  */
+#define FPERM_O_WRITE      0x0002   /* Anyone can write. */
+#define FPERM_O_EXEC       0x0001   /* Anyone can exec.  */
+
+// native bool:SetFilePermissions(const path[], int mode);
+static cell SetFilePermissions(AMX *amx, cell *params)
+{
+	int length;
+	const char* realpath = build_pathname(get_amxstring(amx, params[1], 0, length));
+
+#if defined PLATFORM_WINDOWS
+
+	int mask = 0;
+
+	if (params[2] & (FPERM_U_WRITE | FPERM_G_WRITE | FPERM_O_WRITE))
+	{
+		mask |= _S_IWRITE;
+	}
+
+	if (params[2] & (FPERM_U_READ | FPERM_G_READ | FPERM_O_READ | FPERM_U_EXEC | FPERM_G_EXEC | FPERM_O_EXEC))
+	{
+		mask |= _S_IREAD;
+	}
+
+	return _chmod(realpath, mask) == 0;
+#elif 
+	return chmod(realpath, params[2]) == 0;
+#endif
+}
+
 AMX_NATIVE_INFO file_Natives[] =
 {
 	{"read_dir",		read_dir},
@@ -1147,6 +1183,8 @@ AMX_NATIVE_INFO file_Natives[] =
 
 	{"LoadFileForMe",	LoadFileForMe},
 	{"GetFileTime",		GetFileTime},
+	{"SetFilePermissions", SetFilePermissions},
+
 	{NULL,				NULL}
 };
 
diff --git a/plugins/include/file.inc b/plugins/include/file.inc
index c617538a..9b73b874 100755
--- a/plugins/include/file.inc
+++ b/plugins/include/file.inc
@@ -59,7 +59,7 @@ enum FileTimeType
 #define BLOCK_BYTE  1
 
 /**
- * File permissions flags for use with mkdir().
+ * File permissions flags for use with mkdir() and SetFilePermissions().
  */
 #define FPERM_U_READ       0x0100   /* User can read.    */
 #define FPERM_U_WRITE      0x0080   /* User can write.   */
@@ -227,14 +227,14 @@ native file_size(const file[], flag = FSOPT_BYTES_COUNT, bool:use_valve_fs = fal
  *
  * @note Registered paths ID are (in priority order) :
  *         GAME           All paths related to current mod, including fallback
- *                        Depending settings, it includes: <gamedir>_lv/_addon/_<language>/_hd 
+ *                        Depending settings, it includes: <gamedir>_lv/_addon/_<language>/_hd
  *                        and <gamedir> itself
  *         GAMECONFIG     The default writable directory (<gamedir>)
  *         GAMEDOWNLOAD   The download directory (<gamedir>_download)
  *         GAME_FALLBACK  All paths related to fallback game, same as GAME
  *         DEFAULTGAME    All paths related to the default game which is "valve", same as GAME
  *         BASE           The base path where server is installed
- *         
+ *
  *         Note that some paths are non-writable. It includes all <gamedir>_* (expect _download)
  *         and DEFAULTGAME. Any file inside a non-writable path will be ignored if you try to open
  *         it in writing mode.
@@ -556,3 +556,13 @@ native LoadFileForMe(const file[], buffer[], maxlength, &length = 0);
  * @return              Returns a file timestamp as a unix timestamp
  */
 native GetFileTime(const file[], FileTimeType:tmode);
+
+/**
+ * Changes a file or directories permissions.
+ *
+ * @param path          Path to the file
+ * @param mode          Permissions to set, see FPERM_* constants
+ *
+ * @return              True on success, false otherwise
+ */
+native bool:SetFilePermissions(const path[], mode);