malhuda/MikroTikPatch
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modified: .gitignore

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modified:   README.md
	modified:   npk.py
	modified:   patch.py
This commit is contained in:
zyb 2024-06-18 16:21:07 +08:00
parent 1861785032
commit 6c96e51b24
4 changed files with 49 additions and 42 deletions
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3
.gitignore vendored
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@ -1,2 +1,3 @@
__pycache__/
venv/
venv/
patch_*.py

9
README.md
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@ -7,6 +7,15 @@
### Uses keygen to generate license key (keygen in iso or img).
![](keygen.png)
### npk.py
Sign，Verify，Create, Extract npk file.
### patch.py
Patch public key and sign NPK files
### netinstall.py
Modify netinstallexe to enable network installation of NPK files that have been resigned in ISO
### upgrade.py
By adding static domain name resolution in RouterOS, the NPK file that has been resigned in ISO can be installed during the upgrade process.
### all patches are applied automatically with [github workflow](https://github.com/elseif/MikroTikPatch/blob/main/.github/workflows/mikrotik_patch.yml).

7
npk.py
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@ -239,14 +239,7 @@ class NovaPackage:
assert int.from_bytes(data[4:8],'little') == len(data) - 8, 'Invalid Nova Package Size'
return NovaPackage(data[8:])
def get_latest_version(channel:str) -> str:
import requests
response = requests.get(f'https://upgrade.mikrotik.com/routeros/NEWESTa7.{channel}')
return response.text.split(' ')[0]
def create_option_npk(npk_file:str,squashfs_file:str)->NovaPackage:
return option_npk
if __name__=='__main__':
import argparse,os

72
patch.py
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@ -64,36 +64,40 @@ def patch_squashfs(path,key_dict):
data = data.replace(old_public_key,new_public_key)
open(file,'wb').write(data)
def patch_system_npk(key_dict,input_file,output_file=None):
npk = NovaPackage.load(input_file)
file_container = NpkFileContainer.unserialize_from(npk[NpkPartID.FILE_CONTAINER].data)
for item in file_container:
if item.name == b'boot/EFI/BOOT/BOOTX64.EFI':
print(f'patch {item.name} ...')
item.data = patch_bzimage(item.data,key_dict)
open('linux','wb').write(item.data)
break
npk[NpkPartID.FILE_CONTAINER].data = file_container.serialize()
try:
squashfs_file = 'squashfs.sfs'
extract_dir = 'squashfs-root'
open(squashfs_file,'wb').write(npk[NpkPartID.SQUASHFS].data)
print(f"extract {squashfs_file} ...")
_, stderr = run_shell_command(f"unsquashfs -d {extract_dir} {squashfs_file}")
print(stderr.decode())
patch_squashfs(extract_dir,key_dict)
print(f"pack {extract_dir} ...")
def patch_npk_file(key_dict,kcdsa_private_key,eddsa_private_key,input_file,output_file=None):
npk = NovaPackage.load(input_file)
if npk[NpkPartID.NAME_INFO].data.name == 'system':
file_container = NpkFileContainer.unserialize_from(npk[NpkPartID.FILE_CONTAINER].data)
for item in file_container:
if item.name == b'boot/EFI/BOOT/BOOTX64.EFI':
print(f'patch {item.name} ...')
item.data = patch_bzimage(item.data,key_dict)
open('linux','wb').write(item.data)
elif item.name == b'boot/kernel':
from netinstall import patch_elf
print(f'patch {item.name} ...')
item.data = patch_elf(item.data,key_dict)
open('linux','wb').write(item.data)
npk[NpkPartID.FILE_CONTAINER].data = file_container.serialize()
try:
squashfs_file = 'squashfs.sfs'
extract_dir = 'squashfs-root'
open(squashfs_file,'wb').write(npk[NpkPartID.SQUASHFS].data)
print(f"extract {squashfs_file} ...")
_, stderr = run_shell_command(f"unsquashfs -d {extract_dir} {squashfs_file}")
print(stderr.decode())
patch_squashfs(extract_dir,key_dict)
print(f"pack {extract_dir} ...")
run_shell_command(f"rm -f {squashfs_file}")
_, stderr = run_shell_command(f"mksquashfs {extract_dir} {squashfs_file} -quiet -comp xz -no-xattrs -b 256k")
print(stderr.decode())
except Exception as e:
print(e)
print(f"clean ...")
run_shell_command(f"rm -rf {extract_dir}")
npk[NpkPartID.SQUASHFS].data = open(squashfs_file,'rb').read()
run_shell_command(f"rm -f {squashfs_file}")
_, stderr = run_shell_command(f"mksquashfs {extract_dir} {squashfs_file} -quiet -comp xz -no-xattrs -b 256k")
print(stderr.decode())
except Exception as e:
print(e)
print(f"clean ...")
run_shell_command(f"rm -rf {extract_dir}")
npk[NpkPartID.SQUASHFS].data = open(squashfs_file,'rb').read()
run_shell_command(f"rm -f {squashfs_file}")
kcdsa_private_key = bytes.fromhex(os.environ['CUSTOM_LICENSE_PRIVATE_KEY'])
eddsa_private_key = bytes.fromhex(os.environ['CUSTOM_NPK_SIGN_PRIVATE_KEY'])
npk.sign(kcdsa_private_key,eddsa_private_key)
npk.save(output_file or input_file)
@ -101,26 +105,26 @@ if __name__ == '__main__':
import argparse,os
parser = argparse.ArgumentParser(description='MikroTik patcher')
subparsers = parser.add_subparsers(dest="command")
npk_parser = subparsers.add_parser('npk',help='patch routeros.npk file')
npk_parser = subparsers.add_parser('npk',help='patch and sign npk file')
npk_parser.add_argument('input',type=str, help='Input file')
npk_parser.add_argument('-o','--output',type=str,help='Output file')
netinstall_parser = subparsers.add_parser('netinstall',help='patch netinstall file')
netinstall_parser.add_argument('input',type=str, help='Input file')
netinstall_parser.add_argument('-o','--output',type=str,help='Output file')
args = parser.parse_args()
key_dict = {
bytes.fromhex(os.environ['MIKRO_LICENSE_PUBLIC_KEY']):bytes.fromhex(os.environ['CUSTOM_LICENSE_PUBLIC_KEY']),
bytes.fromhex(os.environ['MIKRO_NPK_SIGN_PUBLIC_LKEY']):bytes.fromhex(os.environ['CUSTOM_NPK_SIGN_PUBLIC_KEY'])
}
kcdsa_private_key = bytes.fromhex(os.environ['CUSTOM_LICENSE_PRIVATE_KEY'])
eddsa_private_key = bytes.fromhex(os.environ['CUSTOM_NPK_SIGN_PRIVATE_KEY'])
if args.command =='npk':
print(f'patching {args.input} ...')
patch_system_npk(key_dict,args.input)
patch_npk_file(key_dict,kcdsa_private_key,eddsa_private_key,args.input,args.output)
elif args.command == 'netinstall':
from netinstall import patch_netinstall
print(f'patching {args.input} ...')
patch_netinstall(key_dict,args.input)
patch_netinstall(key_dict,args.input,args.output)
else:
parser.print_help()