// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2022 Oracle and/or its affiliates. * * KUnit test of SunRPC's GSS Kerberos mechanism. Subsystem * name is "rpcsec_gss_krb5". */ #include #include #include #include #include #include "gss_krb5_internal.h" MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING); struct gss_krb5_test_param { const char *desc; u32 nfold; const struct xdr_netobj *plaintext; const struct xdr_netobj *expected_result; }; static inline void gss_krb5_get_desc(const struct gss_krb5_test_param *param, char *desc) { strscpy(desc, param->desc, KUNIT_PARAM_DESC_SIZE); } #define DEFINE_HEX_XDR_NETOBJ(name, hex_array...) \ static const u8 name ## _data[] = { hex_array }; \ static const struct xdr_netobj name = { \ .data = (u8 *)name##_data, \ .len = sizeof(name##_data), \ } /* * RFC 3961 Appendix A.1. n-fold * * The n-fold function is defined in section 5.1 of RFC 3961. * * This test material is copyright (C) The Internet Society (2005). */ DEFINE_HEX_XDR_NETOBJ(nfold_test1_plaintext, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35 ); DEFINE_HEX_XDR_NETOBJ(nfold_test1_expected_result, 0xbe, 0x07, 0x26, 0x31, 0x27, 0x6b, 0x19, 0x55 ); DEFINE_HEX_XDR_NETOBJ(nfold_test2_plaintext, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64 ); DEFINE_HEX_XDR_NETOBJ(nfold_test2_expected_result, 0x78, 0xa0, 0x7b, 0x6c, 0xaf, 0x85, 0xfa ); DEFINE_HEX_XDR_NETOBJ(nfold_test3_plaintext, 0x52, 0x6f, 0x75, 0x67, 0x68, 0x20, 0x43, 0x6f, 0x6e, 0x73, 0x65, 0x6e, 0x73, 0x75, 0x73, 0x2c, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x52, 0x75, 0x6e, 0x6e, 0x69, 0x6e, 0x67, 0x20, 0x43, 0x6f, 0x64, 0x65 ); DEFINE_HEX_XDR_NETOBJ(nfold_test3_expected_result, 0xbb, 0x6e, 0xd3, 0x08, 0x70, 0xb7, 0xf0, 0xe0 ); DEFINE_HEX_XDR_NETOBJ(nfold_test4_plaintext, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64 ); DEFINE_HEX_XDR_NETOBJ(nfold_test4_expected_result, 0x59, 0xe4, 0xa8, 0xca, 0x7c, 0x03, 0x85, 0xc3, 0xc3, 0x7b, 0x3f, 0x6d, 0x20, 0x00, 0x24, 0x7c, 0xb6, 0xe6, 0xbd, 0x5b, 0x3e ); DEFINE_HEX_XDR_NETOBJ(nfold_test5_plaintext, 0x4d, 0x41, 0x53, 0x53, 0x41, 0x43, 0x48, 0x56, 0x53, 0x45, 0x54, 0x54, 0x53, 0x20, 0x49, 0x4e, 0x53, 0x54, 0x49, 0x54, 0x56, 0x54, 0x45, 0x20, 0x4f, 0x46, 0x20, 0x54, 0x45, 0x43, 0x48, 0x4e, 0x4f, 0x4c, 0x4f, 0x47, 0x59 ); DEFINE_HEX_XDR_NETOBJ(nfold_test5_expected_result, 0xdb, 0x3b, 0x0d, 0x8f, 0x0b, 0x06, 0x1e, 0x60, 0x32, 0x82, 0xb3, 0x08, 0xa5, 0x08, 0x41, 0x22, 0x9a, 0xd7, 0x98, 0xfa, 0xb9, 0x54, 0x0c, 0x1b ); DEFINE_HEX_XDR_NETOBJ(nfold_test6_plaintext, 0x51 ); DEFINE_HEX_XDR_NETOBJ(nfold_test6_expected_result, 0x51, 0x8a, 0x54, 0xa2, 0x15, 0xa8, 0x45, 0x2a, 0x51, 0x8a, 0x54, 0xa2, 0x15, 0xa8, 0x45, 0x2a, 0x51, 0x8a, 0x54, 0xa2, 0x15 ); DEFINE_HEX_XDR_NETOBJ(nfold_test7_plaintext, 0x62, 0x61 ); DEFINE_HEX_XDR_NETOBJ(nfold_test7_expected_result, 0xfb, 0x25, 0xd5, 0x31, 0xae, 0x89, 0x74, 0x49, 0x9f, 0x52, 0xfd, 0x92, 0xea, 0x98, 0x57, 0xc4, 0xba, 0x24, 0xcf, 0x29, 0x7e ); DEFINE_HEX_XDR_NETOBJ(nfold_test_kerberos, 0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73 ); DEFINE_HEX_XDR_NETOBJ(nfold_test8_expected_result, 0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73 ); DEFINE_HEX_XDR_NETOBJ(nfold_test9_expected_result, 0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73, 0x7b, 0x9b, 0x5b, 0x2b, 0x93, 0x13, 0x2b, 0x93 ); DEFINE_HEX_XDR_NETOBJ(nfold_test10_expected_result, 0x83, 0x72, 0xc2, 0x36, 0x34, 0x4e, 0x5f, 0x15, 0x50, 0xcd, 0x07, 0x47, 0xe1, 0x5d, 0x62, 0xca, 0x7a, 0x5a, 0x3b, 0xce, 0xa4 ); DEFINE_HEX_XDR_NETOBJ(nfold_test11_expected_result, 0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73, 0x7b, 0x9b, 0x5b, 0x2b, 0x93, 0x13, 0x2b, 0x93, 0x5c, 0x9b, 0xdc, 0xda, 0xd9, 0x5c, 0x98, 0x99, 0xc4, 0xca, 0xe4, 0xde, 0xe6, 0xd6, 0xca, 0xe4 ); static const struct gss_krb5_test_param rfc3961_nfold_test_params[] = { { .desc = "64-fold(\"012345\")", .nfold = 64, .plaintext = &nfold_test1_plaintext, .expected_result = &nfold_test1_expected_result, }, { .desc = "56-fold(\"password\")", .nfold = 56, .plaintext = &nfold_test2_plaintext, .expected_result = &nfold_test2_expected_result, }, { .desc = "64-fold(\"Rough Consensus, and Running Code\")", .nfold = 64, .plaintext = &nfold_test3_plaintext, .expected_result = &nfold_test3_expected_result, }, { .desc = "168-fold(\"password\")", .nfold = 168, .plaintext = &nfold_test4_plaintext, .expected_result = &nfold_test4_expected_result, }, { .desc = "192-fold(\"MASSACHVSETTS INSTITVTE OF TECHNOLOGY\")", .nfold = 192, .plaintext = &nfold_test5_plaintext, .expected_result = &nfold_test5_expected_result, }, { .desc = "168-fold(\"Q\")", .nfold = 168, .plaintext = &nfold_test6_plaintext, .expected_result = &nfold_test6_expected_result, }, { .desc = "168-fold(\"ba\")", .nfold = 168, .plaintext = &nfold_test7_plaintext, .expected_result = &nfold_test7_expected_result, }, { .desc = "64-fold(\"kerberos\")", .nfold = 64, .plaintext = &nfold_test_kerberos, .expected_result = &nfold_test8_expected_result, }, { .desc = "128-fold(\"kerberos\")", .nfold = 128, .plaintext = &nfold_test_kerberos, .expected_result = &nfold_test9_expected_result, }, { .desc = "168-fold(\"kerberos\")", .nfold = 168, .plaintext = &nfold_test_kerberos, .expected_result = &nfold_test10_expected_result, }, { .desc = "256-fold(\"kerberos\")", .nfold = 256, .plaintext = &nfold_test_kerberos, .expected_result = &nfold_test11_expected_result, }, }; /* Creates the function rfc3961_nfold_gen_params */ KUNIT_ARRAY_PARAM(rfc3961_nfold, rfc3961_nfold_test_params, gss_krb5_get_desc); static void rfc3961_nfold_case(struct kunit *test) { const struct gss_krb5_test_param *param = test->param_value; u8 *result; /* Arrange */ result = kunit_kzalloc(test, 4096, GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, result); /* Act */ krb5_nfold(param->plaintext->len * 8, param->plaintext->data, param->expected_result->len * 8, result); /* Assert */ KUNIT_EXPECT_EQ_MSG(test, memcmp(param->expected_result->data, result, param->expected_result->len), 0, "result mismatch"); } static struct kunit_case rfc3961_test_cases[] = { { .name = "RFC 3961 n-fold", .run_case = rfc3961_nfold_case, .generate_params = rfc3961_nfold_gen_params, }, }; static struct kunit_suite rfc3961_suite = { .name = "RFC 3961 tests", .test_cases = rfc3961_test_cases, }; kunit_test_suites(&rfc3961_suite); MODULE_DESCRIPTION("Test RPCSEC GSS Kerberos 5 functions"); MODULE_LICENSE("GPL");