From cbf315a78698c1772259bc02d60c880833812915 Mon Sep 17 00:00:00 2001
From: Nathanne Isip <nathanneisip@gmail.com>
Date: Mon, 13 May 2024 15:30:35 +0800
Subject: [PATCH] Path sanitation on system call functionalities.

---
 src/rishka_syscalls.cpp | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/rishka_syscalls.cpp b/src/rishka_syscalls.cpp
index 6e1295a..a90a711 100644
--- a/src/rishka_syscalls.cpp
+++ b/src/rishka_syscalls.cpp
@@ -437,22 +437,22 @@ void RishkaSyscall::Int::detach(RishkaVM* vm) {
 
 bool RishkaSyscall::FS::mkdir(RishkaVM* vm) {
     auto path = vm->getPointerParam<char*>(0);
-    return SD.mkdir(path);
+    return SD.mkdir(rishka_sanitize_path(vm->getWorkingDirectory(), path));
 }
 
 bool RishkaSyscall::FS::rmdir(RishkaVM* vm) {
     auto path = vm->getPointerParam<char*>(0);
-    return SD.rmdir(path);
+    return SD.rmdir(rishka_sanitize_path(vm->getWorkingDirectory(), path));
 }
 
 bool RishkaSyscall::FS::remove(RishkaVM* vm) {
     auto path = vm->getPointerParam<char*>(0);
-    return SD.remove(path);
+    return SD.remove(rishka_sanitize_path(vm->getWorkingDirectory(), path));
 }
 
 bool RishkaSyscall::FS::exists(RishkaVM* vm) {
     auto path = vm->getPointerParam<char*>(0);
-    return SD.exists(path);
+    return SD.exists(rishka_sanitize_path(vm->getWorkingDirectory(), path));
 }
 
 bool RishkaSyscall::FS::isfile(RishkaVM* vm) {
@@ -470,8 +470,12 @@ uint8_t RishkaSyscall::FS::open(RishkaVM* vm) {
     auto mode = vm->getPointerParam<char*>(1);
 
     if(strcmp(mode, "n") == 0)
-        vm->fileHandles.add(SD.open(path));
-    else vm->fileHandles.add(SD.open(path, mode));
+        vm->fileHandles.add(
+            SD.open(rishka_sanitize_path(vm->getWorkingDirectory(), path))
+        );
+    else vm->fileHandles.add(SD.open(
+        rishka_sanitize_path(vm->getWorkingDirectory(), path), mode)
+    );
 
     return vm->fileHandles.getSize() - 1;
 }