def InstallDriver(kext_path):
"""Calls into the IOKit to load a kext by file-system path.
Apple kext API doco here:
http://developer.apple.com/library/mac/#documentation/IOKit/Reference/
KextManager_header_reference/Reference/reference.html
Args:
kext_path: Absolute or relative POSIX path to the kext.
Raises:
OSError: On failure to load the kext.
"""
km = objc.KextManager()
cf_kext_path = km.PyStringToCFString(kext_path)
kext_url = km.dll.CFURLCreateWithFileSystemPath(objc.CF_DEFAULT_ALLOCATOR,
cf_kext_path,
objc.POSIX_PATH_STYLE,
True)
status = km.iokit.KextManagerLoadKextWithURL(kext_url, None)
km.dll.CFRelease(kext_url)
km.dll.CFRelease(cf_kext_path)
if status is not objc.OS_SUCCESS:
raise OSError("Failed to load kext: {0}".format(kext_path))
def UninstallDriver(bundle_name):
"""Calls into the IOKit to unload a kext by its name.
Args:
bundle_name: The bundle identifier of the kernel extension as defined in
Info.plist field CFBundleIdentifier.
Returns:
The error code from the library call. objc.OS_SUCCESS if successfull.
"""
km = objc.KextManager()
cf_bundle_name = km.PyStringToCFString(bundle_name)
status = km.iokit.KextManagerUnloadKextWithIdentifier(cf_bundle_name)
km.dll.CFRelease(cf_bundle_name)
return status
