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Return count of applied patches from iospatcher instead of erroring on 0 applied

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This commit is contained in:
Campbell 2024-07-29 15:29:51 -04:00
parent 18b54af091
commit 9d26ff74ff
Signed by: NinjaCheetah
GPG Key ID: B547958AF96ED344
1 changed files with 54 additions and 22 deletions
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76
src/libWiiPy/title/iospatcher.py
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@ -62,19 +62,32 @@ class IOSPatcher:
"""
return self.title
def patch_all(self) -> None:
def patch_all(self) -> int:
"""
Applies all patches to patch in fakesigning, ES_Identify access, /dev/flash access, and the version patch.
"""
self.patch_fakesigning()
self.patch_es_identify()
self.patch_nand_access()
self.patch_version_patch()
Applies all patches to patch in fakesigning, ES_Identify access, /dev/flash access, and the version downgrading
patch.
def patch_fakesigning(self) -> None:
Returns
-------
int
The number of patches successfully applied.
"""
patch_count = 0
patch_count += self.patch_fakesigning()
patch_count += self.patch_es_identify()
patch_count += self.patch_nand_access()
patch_count += self.patch_version_downgrading()
return patch_count
def patch_fakesigning(self) -> int:
"""
Patches the trucha/fakesigning bug back into the IOS' ES module to allow it to accept fakesigned TMDs and
Tickets.
Returns
-------
int
The number of patches successfully applied.
"""
if self.es_module_index == -1:
raise Exception("No valid IOS is loaded! Patching cannot continue.")
@ -93,22 +106,26 @@ class IOSPatcher:
target_content = content_data.read()
patch_count += 1
# If neither structure was found, then no patches could be applied, so return an error.
if patch_count == 0:
raise Exception("No patches could be applied because the required data could not be found!")
self.title.set_content(target_content, self.es_module_index)
def patch_es_identify(self) -> None:
return patch_count
def patch_es_identify(self) -> int:
"""
Patches the ability to call ES_Identify back into the IOS' ES module to allow for changing the permissions of a
title.
Returns
-------
int
The number of patches successfully applied.
"""
if self.es_module_index == -1:
raise Exception("No valid IOS is loaded! Patching cannot continue.")
target_content = self.title.get_content_by_index(self.es_module_index)
patch_count = 0
patch_sequence = b'\x28\x03\xd1\x23'
start_offset = target_content.find(patch_sequence)
if start_offset != -1:
@ -117,21 +134,28 @@ class IOSPatcher:
content_data.write(b'\x00\x00')
content_data.seek(0)
target_content = content_data.read()
else:
raise Exception("No patches could be applied because the required data could not be found!")
patch_count += 1
self.title.set_content(target_content, self.es_module_index)
def patch_nand_access(self) -> None:
return patch_count
def patch_nand_access(self) -> int:
"""
Patches the ability to directly access /dev/flash back into the IOS' ES module to allow for raw access to the
Wii's filesystem.
Returns
-------
int
The number of patches successfully applied.
"""
if self.es_module_index == -1:
raise Exception("No valid IOS is loaded! Patching cannot continue.")
target_content = self.title.get_content_by_index(self.es_module_index)
patch_count = 0
patch_sequence = b'\x42\x8b\xd0\x01\x25\x66'
start_offset = target_content.find(patch_sequence)
if start_offset != -1:
@ -140,20 +164,27 @@ class IOSPatcher:
content_data.write(b'\xe0')
content_data.seek(0)
target_content = content_data.read()
else:
raise Exception("No patches could be applied because the required data could not be found!")
patch_count += 1
self.title.set_content(target_content, self.es_module_index)
def patch_version_patch(self) -> None:
return patch_count
def patch_version_downgrading(self) -> int:
"""
Patches the ability to idk man do something I guess back into IOS' ES module. (Awaiting a real explanation)
Patches the ability to downgrade installed titles into IOS' ES module.
Returns
-------
int
The number of patches successfully applied.
"""
if self.es_module_index == -1:
raise Exception("No valid IOS is loaded! Patching cannot continue.")
target_content = self.title.get_content_by_index(self.es_module_index)
patch_count = 0
patch_sequence = b'\xd2\x01\x4e\x56'
start_offset = target_content.find(patch_sequence)
if start_offset != -1:
@ -162,7 +193,8 @@ class IOSPatcher:
content_data.write(b'\xe0')
content_data.seek(0)
target_content = content_data.read()
else:
raise Exception("No patches could be applied because the required data could not be found!")
patch_count += 1
self.title.set_content(target_content, self.es_module_index)
return patch_count