libcli/auth: add test for gensec_schannel code

Guenther

Signed-off-by: Guenther Deschner <gd@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

diff --git a/libcli/auth/tests/test_schannel.c b/libcli/auth/tests/test_schannel.c
new file mode 100644 (file)
index 0000000..b1c88fd
--- /dev/null
+++ b/libcli/auth/tests/test_schannel.c
@@ -0,0 +1,305 @@
+/*
+ * Unix SMB/CIFS implementation.
+ *
+ * Copyright (C) 2019 Guenther Deschner <gd@samba.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include "includes.h"
+#include "auth/gensec/schannel.c"
+
+static void torture_schannel_seal_flags(void **state, uint32_t flags,
+                                       const DATA_BLOB session_key,
+                                       const DATA_BLOB seq_num_initial,
+                                       const DATA_BLOB confounder_initial,
+                                       const DATA_BLOB confounder_expected,
+                                       const DATA_BLOB clear_initial,
+                                       const DATA_BLOB crypt_expected)
+{
+       NTSTATUS status;
+       struct schannel_state *schannel_state;
+       struct netlogon_creds_CredentialState *creds;
+       uint8_t confounder[8];
+       DATA_BLOB io;
+
+       assert_int_equal(session_key.length, 16);
+       assert_int_equal(seq_num_initial.length, 8);
+       assert_int_equal(confounder_initial.length, 8);
+       assert_int_equal(confounder_expected.length, 8);
+       assert_int_equal(clear_initial.length, crypt_expected.length);
+
+       DEBUG(0,("checking buffer size: %d\n", (int)clear_initial.length));
+
+       schannel_state = talloc_zero(NULL, struct schannel_state);
+       assert_non_null(schannel_state);
+       creds = talloc_zero(schannel_state,
+                           struct netlogon_creds_CredentialState);
+       assert_non_null(creds);
+       schannel_state->creds = creds;
+
+       io = data_blob_dup_talloc(schannel_state, clear_initial);
+       assert_non_null(io.data);
+       assert_int_equal(io.length, clear_initial.length);
+
+       schannel_state->creds->negotiate_flags = flags;
+       memcpy(schannel_state->creds->session_key, session_key.data, 16);
+
+       memcpy(confounder, confounder_initial.data, 8);
+
+       DEBUG(0,("confounder before crypt:\n"));
+       dump_data(0, confounder, 8);
+       dump_data(0, seq_num_initial.data, 8);
+       dump_data(0, io.data, io.length);
+
+       status = netsec_do_seal(schannel_state,
+                               seq_num_initial.data,
+                               confounder,
+                               io.data,
+                               io.length,
+                               true);
+
+       assert_true(NT_STATUS_IS_OK(status));
+       dump_data(0, io.data, io.length);
+       DEBUG(0,("confounder after crypt:\n"));
+       dump_data(0, confounder, 8);
+       dump_data(0, seq_num_initial.data, 8);
+       assert_memory_equal(io.data, crypt_expected.data, crypt_expected.length);
+       assert_memory_equal(confounder, confounder_expected.data, confounder_expected.length);
+
+       status = netsec_do_seal(schannel_state,
+                               seq_num_initial.data,
+                               confounder,
+                               io.data,
+                               io.length,
+                               false);
+
+       assert_true(NT_STATUS_IS_OK(status));
+       dump_data(0, io.data, io.length);
+       DEBUG(0,("confounder after decrypt:\n"));
+       dump_data(0, confounder, 8);
+       dump_data(0, seq_num_initial.data, 8);
+       assert_memory_equal(io.data, clear_initial.data, clear_initial.length);
+       assert_memory_equal(confounder, confounder_initial.data, confounder_initial.length);
+
+       talloc_free(schannel_state);
+}
+
+static void torture_schannel_seal_rc4(void **state)
+{
+       const uint8_t _session_key[16] = {
+               0x14, 0xD5, 0x7F, 0x8D, 0x8E, 0xCF, 0xFB, 0x56,
+               0x71, 0x29, 0x9D, 0x9C, 0x2A, 0x75, 0x00, 0xA1
+       };
+       const DATA_BLOB session_key = data_blob_const(_session_key, 16);
+       const uint8_t _seq_num_initial[8] = {
+               0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00
+       };
+       const DATA_BLOB seq_num_initial =
+               data_blob_const(_seq_num_initial, 8);
+       const uint8_t _confounder_initial[8] = {
+               0x1A, 0x5A, 0xE8, 0xC7, 0xBE, 0x4F, 0x1F, 0x07
+       };
+       const DATA_BLOB confounder_initial =
+               data_blob_const(_confounder_initial, 8);
+       const uint8_t _confounder_expected[8] = {
+               0x25, 0x4A, 0x9C, 0x15, 0x82, 0x3E, 0x4A, 0x42
+       };
+       const DATA_BLOB confounder_expected =
+               data_blob_const(_confounder_expected, 8);
+       const uint8_t _clear_initial[] = {
+               0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+               0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00,
+               0x01, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x8A, 0xE3, 0x13, 0x71, 0x02, 0xF4, 0x36, 0x71,
+               0x01, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00,
+               0x02, 0x40, 0x28, 0x00, 0x78, 0x57, 0x34, 0x12,
+               0x34, 0x12, 0xCD, 0xAB, 0xEF, 0x00, 0x01, 0x23,
+               0x45, 0x67, 0x89, 0xAB, 0x00, 0x00, 0x00, 0x00,
+               0x04, 0x5D, 0x88, 0x8A, 0xEB, 0x1C, 0xC9, 0x11,
+               0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60,
+               0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+       };
+       const DATA_BLOB clear_initial = data_blob_const(_clear_initial,
+                       sizeof(_clear_initial));
+       const uint8_t crypt_buffer[] = {
+               0x3E, 0x10, 0x74, 0xD2, 0x3C, 0x71, 0x57, 0x45,
+               0xB8, 0xAA, 0xCF, 0xE3, 0x84, 0xBE, 0xC4, 0x00,
+               0xF4, 0x4D, 0x88, 0x0A, 0x9B, 0xCC, 0x53, 0xFC,
+               0x32, 0xAA, 0x8E, 0x4B, 0x0E, 0xDE, 0x5F, 0x7D,
+               0x6D, 0x31, 0x4E, 0xAB, 0xE0, 0x7D, 0x37, 0x9D,
+               0x3D, 0x16, 0xD8, 0xBA, 0x6A, 0xB0, 0xD0, 0x99,
+               0x14, 0x05, 0x37, 0xCF, 0x63, 0xD3, 0xD7, 0x60,
+               0x63, 0x3C, 0x03, 0x0A, 0x30, 0xA0, 0x3E, 0xC7,
+               0xDA, 0x94, 0x3B, 0x40, 0x63, 0x74, 0xEF, 0xCF,
+               0xE5, 0x48, 0x87, 0xE9, 0x6A, 0x5A, 0xC7, 0x61,
+               0xF7, 0x09, 0xB7, 0x7C, 0xDE, 0xDB, 0xB0, 0x94,
+               0x9B, 0x99, 0xC0, 0xA7, 0x7E, 0x78, 0x09, 0x35,
+               0xB4, 0xF4, 0x11, 0xC3, 0xB3, 0x77, 0xB5, 0x77,
+               0x25, 0xEE, 0xFD, 0x2F, 0x9A, 0x15, 0x95, 0x27,
+               0x08, 0xDA, 0xD0, 0x28, 0xD6, 0x31, 0xB4, 0xB7,
+               0x7A, 0x19, 0xBB, 0xF3, 0x78, 0xF8, 0xC2, 0x5B
+       };
+       const DATA_BLOB crypt_expected = data_blob_const(crypt_buffer,
+                                                        sizeof(crypt_buffer));
+       int buffer_sizes[] = {
+               0, 1, 3, 7, 8, 9, 15, 16, 17
+       };
+       int i;
+
+       torture_schannel_seal_flags(state, 0,
+                                   session_key,
+                                   seq_num_initial,
+                                   confounder_initial,
+                                   confounder_expected,
+                                   clear_initial,
+                                   crypt_expected);
+
+       /* repeat the test for varying buffer sizes */
+
+       for (i = 0; i < ARRAY_SIZE(buffer_sizes); i++) {
+               DATA_BLOB clear_initial_trunc =
+                       data_blob_const(clear_initial.data, buffer_sizes[i]);
+               DATA_BLOB crypt_expected_trunc =
+                       data_blob_const(crypt_expected.data, buffer_sizes[i]);
+               torture_schannel_seal_flags(state, 0,
+                                           session_key,
+                                           seq_num_initial,
+                                           confounder_initial,
+                                           confounder_expected,
+                                           clear_initial_trunc,
+                                           crypt_expected_trunc);
+       }
+}
+
+static void torture_schannel_seal_aes(void **state)
+{
+       const uint8_t _session_key[16] = {
+               0x8E, 0xE8, 0x27, 0x85, 0x83, 0x41, 0x3C, 0x8D,
+               0xC9, 0x54, 0x70, 0x75, 0x8E, 0xC9, 0x69, 0x91
+       };
+       const DATA_BLOB session_key = data_blob_const(_session_key, 16);
+       const uint8_t _seq_num_initial[8] = {
+               0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00
+       };
+       const DATA_BLOB seq_num_initial =
+               data_blob_const(_seq_num_initial, 8);
+       const uint8_t _confounder_initial[8] = {
+               0x6E, 0x09, 0x25, 0x94, 0x01, 0xA0, 0x09, 0x31
+       };
+       const DATA_BLOB confounder_initial =
+               data_blob_const(_confounder_initial, 8);
+       const uint8_t _confounder_expected[8] = {
+               0xCA, 0xFB, 0xAC, 0xFB, 0xA8, 0x26, 0x75, 0x2A
+       };
+       const DATA_BLOB confounder_expected =
+               data_blob_const(_confounder_expected, 8);
+       const uint8_t _clear_initial[] = {
+               0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+               0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00,
+               0x01, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x8A, 0xE3, 0x13, 0x71, 0x02, 0xF4, 0x36, 0x71,
+               0x01, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00,
+               0x02, 0x40, 0x28, 0x00, 0x78, 0x57, 0x34, 0x12,
+               0x34, 0x12, 0xCD, 0xAB, 0xEF, 0x00, 0x01, 0x23,
+               0x45, 0x67, 0x89, 0xAB, 0x00, 0x00, 0x00, 0x00,
+               0x04, 0x5D, 0x88, 0x8A, 0xEB, 0x1C, 0xC9, 0x11,
+               0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60,
+               0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+               0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+       };
+       const DATA_BLOB clear_initial = data_blob_const(_clear_initial,
+                       sizeof(_clear_initial));
+       const uint8_t crypt_buffer[] = {
+               0xE2, 0xE5, 0xE3, 0x26, 0x45, 0xFB, 0xFC, 0xF3,
+               0x9C, 0x14, 0xDD, 0xE1, 0x39, 0x23, 0xE0, 0x55,
+               0xED, 0x8F, 0xF4, 0x92, 0xA1, 0xBD, 0xDC, 0x40,
+               0x58, 0x6F, 0xD2, 0x5B, 0xF9, 0xC9, 0xA3, 0x87,
+               0x46, 0x4B, 0x7F, 0xB2, 0x03, 0xD2, 0x35, 0x22,
+               0x3E, 0x70, 0x9F, 0x1E, 0x3F, 0x1F, 0xDB, 0x7D,
+               0x79, 0x88, 0x5A, 0x3D, 0xD3, 0x40, 0x1E, 0x69,
+               0xD7, 0xE2, 0x1D, 0x5A, 0xE9, 0x3B, 0xE1, 0xE2,
+               0x98, 0xFD, 0xCB, 0x3A, 0xF7, 0xB5, 0x1C, 0xF8,
+               0xCA, 0x02, 0x00, 0x99, 0x9F, 0x0C, 0x01, 0xE6,
+               0xD2, 0x00, 0xAF, 0xE0, 0x51, 0x88, 0x62, 0x50,
+               0xB7, 0xE8, 0x6D, 0x63, 0x4B, 0x97, 0x05, 0xC1,
+               0xD4, 0x83, 0x96, 0x29, 0x80, 0xAE, 0xD8, 0xA2,
+               0xED, 0xC9, 0x5D, 0x0D, 0x29, 0xFF, 0x2C, 0x23,
+               0x02, 0xFA, 0x3B, 0xEE, 0xE8, 0xBA, 0x06, 0x01,
+               0x95, 0xDF, 0x80, 0x76, 0x0B, 0x17, 0x0E, 0xD8
+       };
+       const DATA_BLOB crypt_expected = data_blob_const(crypt_buffer,
+                                                        sizeof(crypt_buffer));
+       int buffer_sizes[] = {
+               0, 1, 3, 7, 8, 9, 15, 16, 17
+       };
+       int i;
+
+       torture_schannel_seal_flags(state, NETLOGON_NEG_SUPPORTS_AES,
+                                   session_key,
+                                   seq_num_initial,
+                                   confounder_initial,
+                                   confounder_expected,
+                                   clear_initial,
+                                   crypt_expected);
+
+       /* repeat the test for varying buffer sizes */
+
+       for (i = 0; i < ARRAY_SIZE(buffer_sizes); i++) {
+               DATA_BLOB clear_initial_trunc =
+                       data_blob_const(clear_initial.data, buffer_sizes[i]);
+               DATA_BLOB crypt_expected_trunc =
+                       data_blob_const(crypt_expected.data, buffer_sizes[i]);
+               torture_schannel_seal_flags(state, NETLOGON_NEG_SUPPORTS_AES,
+                                           session_key,
+                                           seq_num_initial,
+                                           confounder_initial,
+                                           confounder_expected,
+                                           clear_initial_trunc,
+                                           crypt_expected_trunc);
+       }
+}
+
+int main(int argc, char *argv[])
+{
+       int rc;
+       const struct CMUnitTest tests[] = {
+               cmocka_unit_test(torture_schannel_seal_rc4),
+               cmocka_unit_test(torture_schannel_seal_aes),
+       };
+
+       if (argc == 2) {
+               cmocka_set_test_filter(argv[1]);
+       }
+       cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
+
+       rc = cmocka_run_group_tests(tests, NULL, NULL);
+
+       return rc;
+}

diff --git a/libcli/auth/wscript_build b/libcli/auth/wscript_build
index 5a4423e984e8594c682cb94c66226aa2e0f22d2b..5519dfd4f0709f7b96cc9b5cb04b21e8015ee68f 100644 (file)
--- a/libcli/auth/wscript_build
+++ b/libcli/auth/wscript_build
@@ -63,3 +63,11 @@ bld.SAMBA_BINARY('test_rc4_passwd_buffer',
                       cmocka
                       ''',
                  install=False)
+
+bld.SAMBA_BINARY('test_schannel',
+                 source='tests/test_schannel.c',
+                 deps='''
+                      gensec
+                      cmocka
+                      ''',
+                 install=False)

diff --git a/selftest/knownfail b/selftest/knownfail
index 82259dcfe907a6f71db6b61cf56a0cccf15e9c2c..a106b11eb8719589ea6d1326e5e48dadecd2e74b 100644 (file)
--- a/selftest/knownfail
+++ b/selftest/knownfail
@@ -375,3 +375,5 @@
 ^samba.tests.ntlmdisabled.python\(ktest\).python2.ntlmdisabled.NtlmDisabledTests.test_samr_change_password\(ktest\)
 ^samba.tests.ntlmdisabled.python\(ad_dc_no_ntlm\).python3.ntlmdisabled.NtlmDisabledTests.test_ntlm_connection\(ad_dc_no_ntlm\)
 ^samba.tests.ntlmdisabled.python\(ad_dc_no_ntlm\).python2.ntlmdisabled.NtlmDisabledTests.test_ntlm_connection\(ad_dc_no_ntlm\)
+^samba.unittests.schannel.torture_schannel_seal_rc4
+^samba.unittests.schannel.torture_schannel_seal_aes

diff --git a/selftest/tests.py b/selftest/tests.py
index 69b1d4c7d0c1ae3e98757b5a2d5626d6e6279b08..6a5da182c3f39f4f5c54e8fa9c800b53f7e712a4 100644 (file)
--- a/selftest/tests.py
+++ b/selftest/tests.py
@@ -392,6 +392,8 @@ plantestsuite("samba.unittests.ntlm_check", "none",
               [os.path.join(bindir(), "default/libcli/auth/test_ntlm_check")])
 plantestsuite("samba.unittests.rc4_passwd_buffer", "none",
               [os.path.join(bindir(), "default/libcli/auth/test_rc4_passwd_buffer")])
+plantestsuite("samba.unittests.schannel", "none",
+              [os.path.join(bindir(), "default/libcli/auth/test_schannel")])
 plantestsuite("samba.unittests.test_registry_regfio", "none",
               [os.path.join(bindir(), "default/source3/test_registry_regfio")])
 plantestsuite("samba.unittests.test_oLschema2ldif", "none",