Add read-only implementation

mtkclient/Library/DA/mtk_da_handler.py

@@ -9,6 +9,8 @@ from mtkclient.config.payloads import pathconfig
 from mtkclient.Library.error import ErrorHandler
 from mtkclient.Library.utils import progress
 from mtkclient.config.brom_config import efuse, damodes
+from mtkclient.Library.Filesystem.mtkdafs import MtkDaFS
+from fuse import FUSE
 
 
 class DA_handler(metaclass=LogBase):

mtkclient/Library/Filesystem/mtkdafs.py

@@ -0,0 +1,62 @@
+from fuse import FuseOSError, Operations, LoggingMixIn
+from pathlib import Path
+import logging
+import os
+from stat import S_IFDIR, S_IFLNK, S_IFREG
+from time import time
+import mmap
+import errno
+import debugpy
+
+class MtkDaFS(LoggingMixIn, Operations):
+    def __init__(self, da_handler, rw=False):
+        self.da_handler = da_handler
+        self.rw = rw
+        self.files = {}
+
+        self.files['/'] = dict(
+            st_mode=(S_IFDIR | 0o555),
+            st_ctime=time(),
+            st_mtime=time(),
+            st_atime=time(),
+            st_nlink=2)
+        self.files['/emmc_user.bin'] = dict(
+            st_mode=(S_IFREG | 0o555),
+            st_ctime=time(),
+            st_mtime=time(),
+            st_atime=time(),
+            st_nlink=2,
+            st_size = self.da_handler.mtk.daloader.daconfig.flashsize)
+        self.files['/partitions'] = dict(
+            st_mode=(S_IFDIR | 0o555),
+            st_ctime=time(),
+            st_mtime=time(),
+            st_atime=time(),
+            st_nlink=2)
+
+        for part in self.da_handler.mtk.daloader.get_partition_data():
+            self.files[f'/partitions/{part.name}'] = dict(
+                st_mode=(S_IFREG | 0o555),
+                st_ctime=time(),
+                st_mtime=time(),
+                st_atime=time(),
+                st_nlink=2,
+                st_size = part.sectors*self.da_handler.mtk.daloader.daconfig.pagesize,
+                offset=part.sector*self.da_handler.mtk.daloader.daconfig.pagesize)
+
+    def readdir(self, path, fh):
+        return ['.', '..'] + [ x.removeprefix(path).removeprefix('/') for x in self.files if x.startswith(path) and x != path]
+
+    def read(self, path, size, offset, fh):
+        if size+offset > self.files[path]['st_size']:
+            return b''
+        file_offset = 0
+        if 'offset' in self.files[path]:
+            file_offset = self.files[path]['offset']
+        data = self.da_handler.da_ro(start=file_offset+offset, length=size, filename='', parttype=None)
+        return bytes(data)
+
+    def getattr(self, path, fh=None):
+        if not self.rw:
+            self.files[path]['st_mode'] &= ~0o222
+        return self.files[path]

requirements.txt

@@ -8,3 +8,4 @@ pyside6 >= 6.4.0.1
 mock >= 4.0.3
 pyserial >= 3.5
 flake8
+fusepy