🐛 fix(ios/fs): Make sure that &str names dont exceed MAX_PATH_LENGTH (64)

Author: ProfElements

src/ios/fs.rs

@@ -180,6 +180,10 @@ where
 {
     let filesystem = ios::open(c"/dev/fs", Mode::ReadWrite)?;
 
+    if directory_path.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+
     let mut path = [0u8; 64];
     let path_len = directory_path.len();
     path[0..path_len].copy_from_slice(directory_path.as_bytes());
@@ -234,6 +238,10 @@ pub fn set_attributes(attributes: Attributes) -> Result<(), ios::Error> {
 pub fn get_attributes(name: &str) -> Result<Attributes, ios::Error> {
     let filesystem = ios::open(c"/dev/fs", Mode::ReadWrite)?;
 
+    if name.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+
     let mut in_buf = [0u8; 64];
     in_buf[0..name.len()].copy_from_slice(name.as_bytes());
 
@@ -259,6 +267,10 @@ pub fn get_attributes(name: &str) -> Result<Attributes, ios::Error> {
 pub fn delete(name: &str) -> Result<(), ios::Error> {
     let filesystem = ios::open(c"/dev/fs", Mode::ReadWrite)?;
 
+    if name.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+
     let mut in_buf = [0u8; 64];
     in_buf[0..name.len()].copy_from_slice(name.as_bytes());
 
@@ -275,6 +287,13 @@ pub fn delete(name: &str) -> Result<(), ios::Error> {
 pub fn rename(source_name: &str, destination_name: &str) -> Result<(), ios::Error> {
     let filesystem = ios::open(c"/dev/fs", Mode::ReadWrite)?;
 
+    if source_name.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+    if destination_name.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+
     let mut in_buf = [0u8; 128];
     in_buf[0..source_name.len()].copy_from_slice(source_name.as_bytes());
     in_buf[64..64 + destination_name.len()].copy_from_slice(destination_name.as_bytes());
@@ -319,6 +338,10 @@ pub struct FileStats {
 pub fn read_file_stats(file_name: &str) -> Result<FileStats, ios::Error> {
     let filesystem = ios::open(c"/dev/fs", Mode::ReadWrite)?;
 
+    if file_name.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+
     let mut file_buf = [0u8; 64];
     file_buf[0..file_name.len()].copy_from_slice(file_name.as_bytes());
     let file_name = CStr::from_bytes_with_nul(&file_buf[0..=file_name.len()])
@@ -353,6 +376,10 @@ pub struct Usage {
 pub fn get_usage(name: &str) -> Result<Usage, ios::Error> {
     let filesystem = ios::open(c"/dev/fs", Mode::ReadWrite)?;
 
+    if name.len() > 64 {
+        return Err(ios::Error::Invalid);
+    }
+
     let mut in_buf = [0u8; 64];
     in_buf[0..name.len()].copy_from_slice(name.as_bytes());