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/*
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/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_context *gensec_ntlmssp;
struct ntlmssp_state *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, lpcfg_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 = talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405060708090a0b0c0d0e0f00");
dump_data_pw("NTLMSSP session key: \n",
ntlmssp_state->session_key.data,
ntlmssp_state->session_key.length);
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(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)");
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, lpcfg_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 = talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
ntlmssp_state->session_key = strhex_to_data_blob(tctx, "0102030405e538b0");
dump_data_pw("NTLMSSP session key: \n",
ntlmssp_state->session_key.data,
ntlmssp_state->session_key.length);
ntlmssp_state->neg_flags = NTLMSSP_NEGOTIATE_SIGN | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_KEY_EXCH;
torture_assert_ntstatus_ok(tctx,
ntlmssp_sign_init(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;
}
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