From 11d3cf94f73aef8589e69c74f58e0990bd66412b Mon Sep 17 00:00:00 2001
From: Benoist <14257866+Kenzzer@users.noreply.github.com>
Date: Sat, 8 Jun 2024 16:17:50 +0200
Subject: [PATCH] Add GetFilePermissions (#2177)

Co-authored-by: Kenzzer <kenzzer@users.noreply.github.com>
---
 core/logic/smn_filesystem.cpp | 34 ++++++++++++++++++++++++++++++++++
 plugins/include/files.inc     |  9 +++++++++
 2 files changed, 43 insertions(+)

diff --git a/core/logic/smn_filesystem.cpp b/core/logic/smn_filesystem.cpp
index 205a150c53..4ca57e62ce 100644
--- a/core/logic/smn_filesystem.cpp
+++ b/core/logic/smn_filesystem.cpp
@@ -755,6 +755,39 @@ static cell_t sm_SetFilePermissions(IPluginContext *pContext, const cell_t *para
 #endif
 }
 
+static cell_t sm_GetFilePermissions(IPluginContext *pContext, const cell_t *params)
+{
+	char *name;
+	char realpath[PLATFORM_MAX_PATH];
+
+	pContext->LocalToString(params[1], &name);
+	g_pSM->BuildPath(Path_Game, realpath, sizeof(realpath), "%s", name);
+
+	cell_t *mask;
+	pContext->LocalToPhysAddr(params[2], &mask);
+
+#if defined PLATFORM_WINDOWS
+	struct _stat buffer;
+	cell_t valid = _stat(realpath, &buffer) == 0;
+
+	if ((buffer.st_mode & _S_IREAD) != 0) {
+		*mask |= (FPERM_U_READ|FPERM_G_READ|FPERM_O_READ)|(FPERM_U_EXEC|FPERM_G_EXEC|FPERM_O_EXEC);
+	}
+
+	if ((buffer.st_mode & _S_IWRITE) != 0) {
+		*mask |= (FPERM_U_WRITE|FPERM_G_WRITE|FPERM_O_WRITE);
+	}
+
+	return valid;
+#else
+	struct stat buffer;
+	cell_t valid = stat(realpath, &buffer) == 0;
+
+	*mask = buffer.st_mode;
+	return valid;
+#endif
+}
+
 static cell_t sm_CreateDirectory(IPluginContext *pContext, const cell_t *params)
 {
 	char *name;
@@ -1228,6 +1261,7 @@ REGISTER_NATIVES(filesystem)
 	{"RemoveGameLogHook",		sm_RemoveGameLogHook},
 	{"CreateDirectory",			sm_CreateDirectory},
 	{"SetFilePermissions",		sm_SetFilePermissions},
+	{"GetFilePermissions",		sm_GetFilePermissions},
 
 	{"File.ReadLine",			sm_ReadFileLine},
 	{"File.Read",				sm_ReadFile},
diff --git a/plugins/include/files.inc b/plugins/include/files.inc
index 78efd65cc2..a54f199643 100644
--- a/plugins/include/files.inc
+++ b/plugins/include/files.inc
@@ -601,6 +601,15 @@ native bool CreateDirectory(const char[] path, int mode=FPERM_O_READ|FPERM_O_EXE
  */
 native bool SetFilePermissions(const char[] path, int mode);
 
+/**
+ * Retrieves a file or directories permissions.
+ *
+ * @param path          Path to the file.
+ * @param mode          Variable to store the permissions in.
+ * @return              True on success, false otherwise.
+ */
+native bool GetFilePermissions(const char[] path, int &mode);
+
 /**
  * Returns a file timestamp as a unix timestamp.
  *