From 77ed3d47331e4abcbee751aaa038185985acfc5f Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Fri, 8 Sep 2017 20:58:20 +0200
Subject: [PATCH] Scripting: improved write permission checks

---
 source/utils/gameutil.c  | 2 ++
 source/utils/scripting.c | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/utils/gameutil.c b/source/utils/gameutil.c
index c9e4c9f..4763270 100644
--- a/source/utils/gameutil.c
+++ b/source/utils/gameutil.c
@@ -1386,6 +1386,7 @@ u32 DumpCxiSrlFromTmdFile(const char* path) {
     // prepare output name
     snprintf(dest, 256, OUTPUT_PATH "/");
     char* dname = dest + strnlen(dest, 256);
+    if (!CheckWritePermissions(dest)) return 1;
     
     // ensure the output dir exists
     if (fvx_rmkdir(OUTPUT_PATH) != FR_OK)
@@ -1426,6 +1427,7 @@ u32 ExtractCodeFromCxiFile(const char* path, const char* path_out) {
         if (fvx_rmkdir(OUTPUT_PATH) != FR_OK) return 1;
         snprintf(dest, 256, OUTPUT_PATH "/%016llX%s%s", ncch.programId, (exthdr.flag & 0x1) ? ".dec" : "", EXEFS_CODE_NAME);
     } else strncpy(dest, path_out, 256);
+    if (!CheckWritePermissions(dest)) return 1;
     
     // write output file
     fvx_unlink(dest);
diff --git a/source/utils/scripting.c b/source/utils/scripting.c
index e3f47d2..bf8dbd0 100644
--- a/source/utils/scripting.c
+++ b/source/utils/scripting.c
@@ -527,7 +527,7 @@ bool run_cmd(cmd_id id, u32 flags, char** argv, char* err_str) {
         ret = PathDelete(argv[0]);
         if (err_str) snprintf(err_str, _ERR_STR_LEN, "remove fail");
     } else if (id == CMD_ID_MKDIR) {
-        ret = (fvx_rmkdir(argv[0]) == FR_OK);
+        ret = (CheckWritePermissions(argv[0])) && (fvx_rmkdir(argv[0]) == FR_OK);
         if (err_str) snprintf(err_str, _ERR_STR_LEN, "makedir fail");
     } else if (id == CMD_ID_MOUNT) {
         ret = InitImgFS(argv[0]);