smolkik_adm/MikroTikPatch
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modified: README.md

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modified:   README_CN.md
	modified:   netinstall.py
	deleted:    upgrade.py
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zyb
2024-07-14 22:16:10 +08:00
parent f993d41a7a
commit 96515d2333
4 changed files with 6 additions and 68 deletions
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5
netinstall.py
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@@ -132,7 +132,6 @@ def patch_netinstall(key_dict: dict,input_file,output_file=None):
STRING_TABLE_INDEX = struct.unpack_from(b'<H',netinstall[0x32:])[0]
section_name_offset = SECTION_HEADER_OFFSET_IN_FILE + STRING_TABLE_INDEX * SECTION_HEADER_ENTRY_SIZE + 16
SECTION_NAME_BLOCK = struct.unpack_from(b'<I',netinstall[section_name_offset:])[0]
for i in range(NUMBER_OF_SECTION_HEADER_ENTRIES):
section_offset = SECTION_HEADER_OFFSET_IN_FILE + i * SECTION_HEADER_ENTRY_SIZE
name_offset,_,_,addr,offset = struct.unpack_from('<IIIII',netinstall[section_offset:])
@@ -145,9 +144,9 @@ def patch_netinstall(key_dict: dict,input_file,output_file=None):
offset = re.search(rb'\x83\x00\x00\x00.{12}\x8A\x00\x00\x00.{12}\x81\x00\x00\x00.{12}',netinstall).start()
print(f'found bootloaders offset {hex(offset)}')
for i in range(10):
id,name_ptr,boot_ptr,boot_size = struct.unpack_from('<IIII',netinstall[offset+i*16:offset+i*16+16])
id,name_ptr,data_ptr,data_size = struct.unpack_from('<IIII',netinstall[offset+i*16:offset+i*16+16])
name = netinstall[text_section_offset+name_ptr-text_section_addr:].split(b'\0')[0]
data = netinstall[text_section_offset+boot_ptr-text_section_addr:text_section_offset+boot_ptr-text_section_addr+boot_size]
data = netinstall[text_section_offset+data_ptr-text_section_addr:text_section_offset+data_ptr-text_section_addr+data_size]
print(f'found {name.decode()}({id}) bootloader')
try:
if data[:2] == b'MZ':