1{
2 lib,
3 stdenv,
4 replaceVars,
5 buildPythonPackage,
6 fetchPypi,
7 fetchpatch,
8 pythonOlder,
9 asn1crypto,
10 cffi,
11 cryptography,
12 pkgconfig, # see nativeBuildInputs
13 pkg-config, # see nativeBuildInputs
14 pytestCheckHook,
15 pyyaml,
16 setuptools-scm,
17 tpm2-tss,
18 tpm2-tools,
19 swtpm,
20}:
21
22let
23 isCross = (stdenv.buildPlatform != stdenv.hostPlatform);
24in
25buildPythonPackage rec {
26 pname = "tpm2-pytss";
27 version = "2.3.0";
28 format = "setuptools";
29
30 disabled = pythonOlder "3.7";
31
32 src = fetchPypi {
33 inherit pname version;
34 hash = "sha256-IAcRKTeWVvXzw7wW02RhJnKxR9gRkftOufn/n77khBA=";
35 };
36
37 patches = [
38 # Fix hardcoded `fapi-config.json` configuration path
39 ./fapi-config.patch
40 # libtpms (underneath swtpm) bumped the TPM revision
41 # https://github.com/tpm2-software/tpm2-pytss/pull/593
42 (fetchpatch {
43 url = "https://github.com/tpm2-software/tpm2-pytss/pull/593.patch";
44 hash = "sha256-CNJnSIvUQ0Yvy0o7GdVfFZ7kHJd2hBt5Zv1lqgOeoks=";
45 })
46 # support cryptography >= 45.0.0
47 # https://github.com/tpm2-software/tpm2-pytss/pull/643
48 (fetchpatch {
49 url = "https://github.com/tpm2-software/tpm2-pytss/commit/6ab4c74e6fb3da7cd38e97c1f8e92532312f8439.patch";
50 hash = "sha256-01Qe4qpD2IINc5Z120iVdPitiLBwdr8KNBjLFnGgE7E=";
51 })
52 ]
53 ++ lib.optionals isCross [
54 # pytss will regenerate files from headers of tpm2-tss.
55 # Those headers are fed through a compiler via pycparser. pycparser expects `cpp`
56 # to be in the path.
57 # This is put in the path via stdenv when not cross-compiling, but this is absent
58 # when cross-compiling is turned on.
59 # This patch changes the call to pycparser.preprocess_file to provide the name
60 # of the cross-compiling cpp
61 (replaceVars ./cross.patch {
62 crossPrefix = stdenv.hostPlatform.config;
63 })
64 ];
65
66 postPatch = ''
67 sed -i "s#@TPM2_TSS@#${tpm2-tss.out}#" src/tpm2_pytss/FAPI.py
68 '';
69
70 # Hardening has to be disabled
71 # due to pycparsing handling it poorly.
72 # See https://github.com/NixOS/nixpkgs/issues/252023
73 # for more details.
74 hardeningDisable = [ "fortify" ];
75
76 nativeBuildInputs = [
77 cffi
78 pkgconfig # this is the Python module
79 pkg-config # this is the actual pkg-config tool
80 setuptools-scm
81 ];
82
83 buildInputs = [ tpm2-tss ];
84
85 propagatedBuildInputs = [
86 cffi
87 asn1crypto
88 cryptography
89 pyyaml
90 ];
91
92 nativeCheckInputs = [
93 pytestCheckHook
94 tpm2-tools
95 swtpm
96 ];
97
98 pythonImportsCheck = [ "tpm2_pytss" ];
99
100 meta = with lib; {
101 homepage = "https://github.com/tpm2-software/tpm2-pytss";
102 changelog = "https://github.com/tpm2-software/tpm2-pytss/blob/${version}/CHANGELOG.md";
103 description = "TPM2 TSS Python bindings for Enhanced System API (ESYS)";
104 license = licenses.bsd2;
105 maintainers = with maintainers; [ baloo ];
106 };
107}