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import pathlib
import platform
from collections import defaultdict
from ctypes import CDLL, c_char_p, c_int, c_void_p, cdll
from eduvpn_common import __version__
from eduvpn_common.types import (ConfigError, DataError, VPNStateChange,
cDiscoveryServer, cDiscoveryServers, cError,
cServer, cServerLocations, cServerProfiles,
cServers)
def load_lib():
lib_prefixes = defaultdict(
lambda: "lib",
{
"windows": "",
},
)
lib_suffixes = defaultdict(
lambda: ".so",
{
"windows": ".dll",
"darwin": ".dylib",
},
)
os = platform.system().lower()
libname = "eduvpn_common"
libfile = f"{lib_prefixes[os]}{libname}-{__version__}{lib_suffixes[os]}"
lib = None
# Try to load in the normal path
try:
lib = cdll.LoadLibrary(libfile)
# Otherwise, library should have been copied to the lib/ folder
except:
lib = cdll.LoadLibrary(str(pathlib.Path(__file__).parent / "lib" / libfile))
return lib
def initialize_functions(lib: CDLL):
# Exposed functions
# We have to use c_void_p instead of c_char_p to free it properly
# See https://stackoverflow.com/questions/13445568/python-ctypes-how-to-free-memory-getting-invalid-pointer-error
lib.CancelOAuth.argtypes, lib.CancelOAuth.restype = [c_char_p], c_void_p
lib.ChangeSecureLocation.argtypes, lib.ChangeSecureLocation.restype = [
c_char_p
], c_void_p
lib.Deregister.argtypes, lib.Deregister.restype = [c_char_p], None
lib.FreeDiscoOrganizations.argtypes, lib.FreeDiscoOrganizations.restype = [
c_void_p
], None
lib.FreeDiscoServers.argtypes, lib.FreeDiscoServers.restype = [c_void_p], None
lib.FreeError.argtypes, lib.FreeError.restype = [c_void_p], None
lib.FreeProfiles.argtypes, lib.FreeProfiles.restype = [c_void_p], None
lib.FreeSecureLocations.argtypes, lib.FreeSecureLocations.restype = [c_void_p], None
lib.FreeServer.argtypes, lib.FreeServer.restype = [c_void_p], None
lib.FreeServers.argtypes, lib.FreeServers.restype = [c_void_p], None
lib.FreeString.argtypes, lib.FreeString.restype = [c_void_p], None
lib.GetConfigCustomServer.argtypes, lib.GetConfigCustomServer.restype = [
c_char_p,
c_char_p,
c_int,
], ConfigError
lib.GetConfigInstituteAccess.argtypes, lib.GetConfigInstituteAccess.restype = [
c_char_p,
c_char_p,
c_int,
], ConfigError
lib.GetConfigSecureInternet.argtypes, lib.GetConfigSecureInternet.restype = [
c_char_p,
c_char_p,
c_int,
], ConfigError
lib.GetDiscoOrganizations.argtypes, lib.GetDiscoOrganizations.restype = [
c_char_p
], DataError
lib.GetDiscoServers.argtypes, lib.GetDiscoServers.restype = [c_char_p], DataError
lib.GetSavedServers.argtypes, lib.GetSavedServers.restype = [c_char_p], DataError
lib.GoBack.argtypes, lib.GoBack.restype = [c_char_p], None
lib.InFSMState.argtypes, lib.InFSMState.restype = [c_void_p, c_int], int
lib.Register.argtypes, lib.Register.restype = [
c_char_p,
c_char_p,
c_char_p,
VPNStateChange,
c_int,
], c_void_p
lib.RemoveCustomServer.argtypes, lib.RemoveCustomServer.restype = [
c_char_p,
c_char_p,
], c_void_p
lib.AddInstituteAccess.argtypes, lib.AddInstituteAccess.restype = [
c_char_p,
c_char_p,
], c_void_p
lib.AddSecureInternetHomeServer.argtypes, lib.AddSecureInternetHomeServer.restype = [
c_char_p,
c_char_p,
], c_void_p
lib.AddCustomServer.argtypes, lib.AddCustomServer.restype = [
c_char_p,
c_char_p,
], c_void_p
lib.RemoveInstituteAccess.argtypes, lib.RemoveInstituteAccess.restype = [
c_char_p,
c_char_p,
], c_void_p
lib.RemoveSecureInternet.argtypes, lib.RemoveSecureInternet.restype = [
c_char_p
], c_void_p
lib.RenewSession.argtypes, lib.RenewSession.restype = [c_char_p], c_void_p
lib.SetConnected.argtypes, lib.SetConnected.restype = [c_char_p], c_void_p
lib.SetConnecting.argtypes, lib.SetConnecting.restype = [c_char_p], c_void_p
lib.SetDisconnected.argtypes, lib.SetDisconnected.restype = [
c_char_p,
c_int,
], c_void_p
lib.SetDisconnecting.argtypes, lib.SetDisconnecting.restype = [c_char_p], c_void_p
lib.SetProfileID.argtypes, lib.SetProfileID.restype = [c_char_p, c_char_p], c_void_p
lib.SetSearchServer.argtypes, lib.SetSearchServer.restype = [c_char_p], c_void_p
lib.SetSecureLocation.argtypes, lib.SetSecureLocation.restype = [
c_char_p,
c_char_p,
], c_void_p
lib.ShouldRenewButton.argtypes, lib.ShouldRenewButton.restype = [], int
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