/* Unix SMB/CIFS implementation. Small self-tests for the NTLMSSP code Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004 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 "includes.h" #include "auth/gensec/gensec.h" #include "auth/gensec/gensec_proto.h" #include "auth/ntlmssp/ntlmssp.h" #include "lib/cmdline/popt_common.h" #include "torture/torture.h" #include "param/param.h" static bool torture_ntlmssp_self_check(struct torture_context *tctx) { struct gensec_security *gensec_security; struct gensec_ntlmssp_state *gensec_ntlmssp_state; DATA_BLOB data; DATA_BLOB sig, expected_sig; TALLOC_CTX *mem_ctx = tctx; torture_assert_ntstatus_ok(tctx, gensec_client_start(mem_ctx, &gensec_security, tctx->ev, lp_gensec_settings(tctx, tctx->lp_ctx)), "gensec client start"); gensec_set_credentials(gensec_security, cmdline_credentials); gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN); gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL); torture_assert_ntstatus_ok(tctx, gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP), "Failed to start GENSEC for NTLMSSP"); gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data; gensec_ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405060708090a0b0c0d0e0f00"); dump_data_pw("NTLMSSP session key: \n", gensec_ntlmssp_state->session_key.data, gensec_ntlmssp_state->session_key.length); gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_KEY_EXCH | NTLMSSP_NEGOTIATE_NTLM2; torture_assert_ntstatus_ok(tctx, ntlmssp_sign_init(gensec_ntlmssp_state), "Failed to sign_init"); data = strhex_to_data_blob(tctx, "6a43494653"); gensec_ntlmssp_sign_packet(gensec_security, gensec_security, data.data, data.length, data.data, data.length, &sig); expected_sig = strhex_to_data_blob(tctx, "01000000e37f97f2544f4d7e00000000"); dump_data_pw("NTLMSSP calc sig: ", sig.data, sig.length); dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length); torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length"); torture_assert_mem_equal(tctx, sig.data, expected_sig.data, sig.length, "data mismatch"); torture_assert_ntstatus_equal(tctx, gensec_ntlmssp_check_packet(gensec_security, gensec_security, data.data, data.length, data.data, data.length, &sig), NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)"); gensec_ntlmssp_state->session_key = data_blob(NULL, 0); torture_assert_ntstatus_equal(tctx, gensec_ntlmssp_check_packet(gensec_security, gensec_security, data.data, data.length, data.data, data.length, &sig), NT_STATUS_NO_USER_SESSION_KEY, "Check of just signed packet without a session key should fail"); talloc_free(gensec_security); torture_assert_ntstatus_ok(tctx, gensec_client_start(mem_ctx, &gensec_security, tctx->ev, lp_gensec_settings(tctx, tctx->lp_ctx)), "Failed to start GENSEC for NTLMSSP"); gensec_set_credentials(gensec_security, cmdline_credentials); gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN); gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL); torture_assert_ntstatus_ok(tctx, gensec_start_mech_by_oid(gensec_security, GENSEC_OID_NTLMSSP), "GENSEC start mech by oid"); gensec_ntlmssp_state = (struct gensec_ntlmssp_state *)gensec_security->private_data; gensec_ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405e538b0"); dump_data_pw("NTLMSSP session key: \n", gensec_ntlmssp_state->session_key.data, gensec_ntlmssp_state->session_key.length); gensec_ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH; torture_assert_ntstatus_ok(tctx, ntlmssp_sign_init(gensec_ntlmssp_state), "Failed to sign_init"); data = strhex_to_data_blob(tctx, "6a43494653"); gensec_ntlmssp_sign_packet(gensec_security, gensec_security, data.data, data.length, data.data, data.length, &sig); expected_sig = strhex_to_data_blob(tctx, "0100000078010900397420fe0e5a0f89"); dump_data_pw("NTLMSSP calc sig: ", sig.data, sig.length); dump_data_pw("NTLMSSP expected sig: ", expected_sig.data, expected_sig.length); torture_assert_int_equal(tctx, sig.length, expected_sig.length, "Wrong sig length"); torture_assert_mem_equal(tctx, sig.data+8, expected_sig.data+8, sig.length-8, "data mismatch"); torture_assert_ntstatus_equal(tctx, gensec_ntlmssp_check_packet(gensec_security, gensec_security, data.data, data.length, data.data, data.length, &sig), NT_STATUS_ACCESS_DENIED, "Check of just signed packet (should fail, wrong end)"); sig.length /= 2; torture_assert_ntstatus_equal(tctx, gensec_ntlmssp_check_packet(gensec_security, gensec_security, data.data, data.length, data.data, data.length, &sig), NT_STATUS_ACCESS_DENIED, "Check of just signed packet with short sig"); talloc_free(gensec_security); return true; } struct torture_suite *torture_ntlmssp(TALLOC_CTX *mem_ctx) { struct torture_suite *suite = torture_suite_create(mem_ctx, "NTLMSSP"); torture_suite_add_simple_test(suite, "NTLMSSP self check", torture_ntlmssp_self_check); return suite; }