5 Commits
v1.2.3 ... v1.3

Author SHA1 Message Date
zx
8c873a84c8 chore: bump version to v1.3 2024-10-28 17:31:19 -04:00
zx
7543bb3d8d fix: can't extract entitlements with codesign (ProcursusTeam/ldid#45)
this issue was originally reported in #8
2024-10-28 17:27:02 -04:00
zx
c0b0324a12 chore: move injection functions to MainExecutable 2024-10-25 23:04:40 -04:00
zx
42517c90fb chore: move write_entitlements() to MainExecutable
the func is only used in `MainExecutable`, so we should move it there to make it a bit more "clean"
2024-10-25 22:44:25 -04:00
zx
b4e3e6aaf5 chore: add question issue template 2024-10-15 12:14:53 -04:00
6 changed files with 81 additions and 56 deletions

22
.github/ISSUE_TEMPLATE/question.yaml vendored Normal file
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@@ -0,0 +1,22 @@
# thanks to uYouEnhanced for the issue template:
# https://github.com/arichornlover/uYouEnhanced/blob/main/.github/ISSUE_TEMPLATE/bug.yaml?plain=1
name: question
description: have a question about cyan or its code? use this template!
title: "[question] "
labels: question
body:
- type: checkboxes
attributes:
label: have you searched the existing issues?
options:
- label: this is a unique question. i agree that if this isn't a unique question, i'll be BLOCKED from the cyan repo
required: true
- type: textarea
attributes:
label: what's up?
description: what's the question?
validations:
required: true

2
.gitignore vendored
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@@ -1,5 +1,5 @@
__pycache__/
build/
*.egg-info
*.egg-info/

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@@ -99,7 +99,7 @@ def main() -> None:
)
parser.add_argument(
"--version", action="version", version="cyan v1.2.3"
"--version", action="version", version="cyan v1.3"
)
from cyan import logic

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@@ -1,12 +1,6 @@
import os
import sys
import subprocess
from typing import Optional
try:
import lief
except Exception:
pass
from cyan import tbhutils
@@ -42,14 +36,7 @@ class Executable:
)
self.path = path
self.bn = os.path.basename(path)
self.inj: Optional = None # type: ignore
if os.path.isfile(self.idylib):
self.inj_func = self.idyl_inject
else:
self.inj_func = self.lief_inj
def is_encrypted(self) -> bool:
proc = subprocess.run(
@@ -65,17 +52,6 @@ class Executable:
def fakesign(self) -> bool:
return subprocess.run([self.ldid, "-S", "-M", self.path]).returncode == 0
def write_entitlements(self, output: str) -> bool:
with open(output, "wb") as entf:
proc = subprocess.run(
[self.ldid, "-e", self.path],
capture_output=True
)
entf.write(proc.stdout)
return os.path.getsize(output) > 0
def thin(self) -> bool:
return subprocess.run(
[self.lipo, "-thin", "arm64", self.path, "-output", self.path],
@@ -88,31 +64,6 @@ class Executable:
stderr=subprocess.DEVNULL
)
def lief_inj(self, cmd: str) -> None:
if self.inj is None: # type: ignore
try:
lief.logging.disable() # type: ignore
except Exception:
sys.exit("[!] did you forget to install lief?")
self.inj = lief.parse(self.path) # type: ignore
try:
self.inj.add(lief.MachO.DylibCommand.weak_lib(cmd)) # type: ignore
except AttributeError:
sys.exit("[!] couldn't add LC (lief), did you use a valid app?")
def idyl_inject(self, cmd: str) -> None:
proc = subprocess.run(
[
self.idylib, "--weak", "--inplace", "--strip-codesig", "--all-yes",
cmd, self.path
], capture_output=True, text=True
)
if proc.returncode != 0:
sys.exit(f"[!] couldn't add LC (insert_dylib), error:\n{proc.stderr}")
def fix_dependencies(self, tweaks: dict[str, str], need: set[str]) -> None:
self.remove_signature()

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@@ -1,6 +1,13 @@
import os
import sys
import shutil
import subprocess
from typing import Optional
try:
import lief
except Exception:
pass
from cyan import tbhutils
from .executable import Executable
@@ -10,13 +17,20 @@ class MainExecutable(Executable):
super().__init__(path)
self.bundle_path = bundle_path
self.inj: Optional = None # type: ignore
if os.path.isfile(self.idylib):
self.inj_func = self.idyl_inject
else:
self.inj_func = self.lief_inject
def inject(self, tweaks: dict[str, str], tmpdir: str) -> None:
ENT_PATH = f"{self.bundle_path}/cyan.entitlements"
PLUGINS_DIR = f"{self.bundle_path}/PlugIns"
FRAMEWORKS_DIR = f"{self.bundle_path}/Frameworks"
has_entitlements = self.write_entitlements(ENT_PATH)
# iirc, injecting doesnt work (sometimes) if the file isn't signed
# iirc, injecting doesnt work (sometimes) if the file is signed
self.remove_signature()
if any(t.endswith(".appex") for t in tweaks):
@@ -95,12 +109,50 @@ class MainExecutable(Executable):
self.sign_with_entitlements(ENT_PATH)
print("[*] restored entitlements")
def write_entitlements(self, output: str) -> bool:
with open(output, "wb") as entf:
proc = subprocess.run(
[self.ldid, "-e", self.path],
capture_output=True
)
entf.write(proc.stdout)
return os.path.getsize(output) > 0
def merge_entitlements(self, entitlements: str) -> None:
self.sign_with_entitlements(entitlements)
print("[*] merged new entitlements")
if self.sign_with_entitlements(entitlements):
print("[*] merged new entitlements")
else:
print("[!] failed to merge new entitlements, are they valid?")
def sign_with_entitlements(self, entitlements: str) -> bool:
return subprocess.run(
[self.ldid, f"-S{entitlements}", "-M", self.path]
[self.ldid, f"-S{entitlements}", "-M", "-Cadhoc", self.path]
).returncode == 0
def lief_inject(self, cmd: str) -> None:
if self.inj is None: # type: ignore
try:
lief.logging.disable() # type: ignore
except Exception:
sys.exit("[!] did you forget to install lief?")
self.inj = lief.parse(self.path) # type: ignore
try:
self.inj.add(lief.MachO.DylibCommand.weak_lib(cmd)) # type: ignore
except AttributeError:
sys.exit("[!] couldn't add LC (lief), did you use a valid app?")
def idyl_inject(self, cmd: str) -> None:
proc = subprocess.run(
[
self.idylib, "--weak", "--inplace", "--all-yes",
cmd, self.path
], capture_output=True, text=True
)
if proc.returncode != 0:
sys.exit(f"[!] couldn't add LC (insert_dylib), error:\n{proc.stderr}")

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@@ -4,7 +4,7 @@ from setuptools import setup
setup(
name="cyan",
version="1.2.3",
version="1.3",
description="finally, pyzule doesn't suck",
author="zx",
author_email="zx@hrzn.email",