aboutsummaryrefslogtreecommitdiff
path: root/python_bindings_example.py
blob: 31cf28579a1ab57fb56673a6a25131f5e15c977f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
#!/usr/bin/env python
import cffi

ffi = cffi.FFI()
get_string = ffi.string


def get_library():
    fp = 'NK_C_API.h'  # path to C API header

    declarations = []
    with open(fp, 'r') as f:
        declarations = f.readlines()

    a = iter(declarations)
    for declaration in a:
        if declaration.startswith('extern') and not '"C"' in declaration:
            declaration = declaration.replace('extern', '').strip()
            while not ';' in declaration:
                declaration += (next(a)).strip()
            # print(declaration)
            ffi.cdef(declaration)

    C = ffi.dlopen("build/libnitrokey.so")  # path to built library
    return C


def get_hotp_code(lib, i):
    return lib.NK_get_hotp_code(i)


libnitrokey = get_library()
libnitrokey.NK_set_debug(False)  # do not show debug messages

libnitrokey.NK_login('P')  # connect to Nitrokey Pro device
hotp_slot_1_code = get_hotp_code(libnitrokey, 1)
print('Getting HOTP code from Nitrokey Pro: ')
print(hotp_slot_1_code)
libnitrokey.NK_logout()  # disconnect device

libnitrokey.NK_login('S')  # connect to Nitrokey Storage device
hotp_slot_1_code_nitrokey_storage = get_hotp_code(libnitrokey, 1)
print('Getting HOTP code from Nitrokey Storage: ')
print(hotp_slot_1_code_nitrokey_storage)
libnitrokey.NK_logout()  # disconnect device