1 /*
2    Unix SMB/CIFS implementation.
3    test suite for lsa rpc operations
4 
5    Copyright (C) Andrew Tridgell 2003
6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3 of the License, or
11    (at your option) any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
20 */
21 
22 #include "includes.h"
23 #include "librpc/gen_ndr/ndr_lsa_c.h"
24 
25 #include "libcli/auth/libcli_auth.h"
26 #include "torture/rpc/torture_rpc.h"
27 #include "lib/cmdline/popt_common.h"
28 #include "param/param.h"
29 
30 static void init_lsa_String(struct lsa_String *name, const char *s)
31 {
32 	name->string = s;
33 }
34 
35 static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
36 				    struct torture_context *tctx,
37 				    struct policy_handle *handle,
38 				    struct policy_handle *sec_handle)
39 {
40 	NTSTATUS status;
41 	struct lsa_CreateSecret r;
42 	struct lsa_SetSecret r3;
43 	struct lsa_QuerySecret r4;
test_netlogon_ex_ops(struct dcerpc_pipe * p,struct torture_context * tctx,struct cli_credentials * credentials,struct netlogon_creds_CredentialState * creds)44 	struct lsa_DATA_BUF buf1;
45 	struct lsa_DATA_BUF_PTR bufp1;
46 	DATA_BLOB enc_key;
47 	DATA_BLOB session_key;
48 	NTTIME old_mtime, new_mtime;
49 	DATA_BLOB blob1;
50 	const char *secret1 = "abcdef12345699qwerty";
51 	char *secret2;
52 	char *secname;
53 	struct dcerpc_binding_handle *b = p->binding_handle;
54 
55 	secname = talloc_asprintf(tctx, "torturesecret-%08x", (unsigned int)random());
56 
57 	torture_comment(tctx, "Testing CreateSecret of %s\n", secname);
58 
59 	init_lsa_String(&r.in.name, secname);
60 
61 	r.in.handle = handle;
62 	r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
63 	r.out.sec_handle = sec_handle;
64 
65 	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_CreateSecret_r(b, tctx, &r),
66 		"CreateSecret failed");
67 	torture_assert_ntstatus_ok(tctx, r.out.result, "CreateSecret failed");
68 
69 	status = dcerpc_fetch_session_key(p, &session_key);
70 	torture_assert_ntstatus_ok(tctx, status, "dcerpc_fetch_session_key failed");
71 
72 	enc_key = sess_encrypt_string(secret1, &session_key);
73 
74 	r3.in.sec_handle = sec_handle;
75 	r3.in.new_val = &buf1;
76 	r3.in.old_val = NULL;
77 	r3.in.new_val->data = enc_key.data;
78 	r3.in.new_val->length = enc_key.length;
79 	r3.in.new_val->size = enc_key.length;
80 
81 	torture_comment(tctx, "Testing SetSecret\n");
82 
83 	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_SetSecret_r(b, tctx, &r3),
84 		"SetSecret failed");
85 	torture_assert_ntstatus_ok(tctx, r3.out.result, "SetSecret failed");
86 
87 	r3.in.sec_handle = sec_handle;
88 	r3.in.new_val = &buf1;
89 	r3.in.old_val = NULL;
90 	r3.in.new_val->data = enc_key.data;
91 	r3.in.new_val->length = enc_key.length;
92 	r3.in.new_val->size = enc_key.length;
93 
94 	/* break the encrypted data */
95 	enc_key.data[0]++;
96 
97 	torture_comment(tctx, "Testing SetSecret with broken key\n");
98 
99 	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_SetSecret_r(b, tctx, &r3),
100 		"SetSecret failed");
101 	torture_assert_ntstatus_equal(tctx, r3.out.result, NT_STATUS_UNKNOWN_REVISION,
102 		"SetSecret should have failed UNKNOWN_REVISION");
103 
104 	data_blob_free(&enc_key);
105 
106 	ZERO_STRUCT(new_mtime);
107 	ZERO_STRUCT(old_mtime);
108 
109 	/* fetch the secret back again */
110 	r4.in.sec_handle = sec_handle;
111 	r4.in.new_val = &bufp1;
112 	r4.in.new_mtime = &new_mtime;
113 	r4.in.old_val = NULL;
114 	r4.in.old_mtime = NULL;
115 
116 	bufp1.buf = NULL;
117 
118 	torture_comment(tctx, "Testing QuerySecret\n");
119 	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_QuerySecret_r(b, tctx, &r4),
120 		"QuerySecret failed");
121 	torture_assert_ntstatus_ok(tctx, r4.out.result, "QuerySecret failed");
122 	if (r4.out.new_val == NULL || r4.out.new_val->buf == NULL)
123 		torture_fail(tctx, "No secret buffer returned");
124 	blob1.data = r4.out.new_val->buf->data;
125 	blob1.length = r4.out.new_val->buf->size;
126 
127 	secret2 = sess_decrypt_string(tctx, &blob1, &session_key);
128 
129 	torture_assert_str_equal(tctx, secret1, secret2, "Returned secret invalid");
130 
131 	return true;
132 }
133 
134 struct secret_settings {
135 	uint32_t bindoptions;
136 	bool keyexchange;
137 	bool ntlm2;
138 	bool lm_key;
139 };
140 
141 static bool test_secrets(struct torture_context *torture, const void *_data)
142 {
143         struct dcerpc_pipe *p;
144 	struct policy_handle *handle;
145 	struct dcerpc_binding *binding;
146 	const struct secret_settings *settings =
147 		(const struct secret_settings *)_data;
148 	NTSTATUS status;
149 	struct dcerpc_binding_handle *b;
150 	struct policy_handle sec_handle = {0};
151 	bool ok;
152 
153 	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp client:keyexchange", settings->keyexchange?"True":"False");
154 	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp_client:ntlm2", settings->ntlm2?"True":"False");
155 	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp_client:lm_key", settings->lm_key?"True":"False");
156 
157 	torture_assert_ntstatus_ok(torture, torture_rpc_binding(torture, &binding),
158 				   "Getting bindoptions");
159 
160 	status = dcerpc_binding_set_flags(binding, settings->bindoptions, 0);
161 	torture_assert_ntstatus_ok(torture, status, "dcerpc_binding_set_flags");
162 
163 	status = dcerpc_pipe_connect_b(torture, &p, binding,
164 				       &ndr_table_lsarpc,
165 				       popt_get_cmdline_credentials(),
166 				       torture->ev,
167 				       torture->lp_ctx);
168 
169 	torture_assert_ntstatus_ok(torture, status, "connect");
170 	b = p->binding_handle;
171 
172 	if (!test_lsa_OpenPolicy2(b, torture, &handle)) {
173 		talloc_free(p);
174 		return false;
175 	}
176 
177 	torture_assert(torture, handle, "OpenPolicy2 failed.  This test cannot run against this server");
178 
179 	ok = test_CreateSecret_basic(p, torture, handle, &sec_handle);
180 
181 	if (is_valid_policy_hnd(&sec_handle)) {
182 		struct lsa_DeleteObject d;
183 
184 		d.in.handle = &sec_handle;
185 		d.out.handle = &sec_handle;
186 
187 		status = dcerpc_lsa_DeleteObject_r(b, torture, &d);
188 		if (!NT_STATUS_IS_OK(status) ||
189 		    !NT_STATUS_IS_OK(d.out.result)) {
190 			torture_warning(torture,
191 					"Failed to delete secrets object");
192 		}
193 	}
194 
195 	talloc_free(p);
196 	return ok;
197 }
198 
199 static struct torture_tcase *add_test(struct torture_suite *suite, uint32_t bindoptions,
200 				     bool keyexchange, bool ntlm2, bool lm_key)
201 {
202 	char *name = NULL;
203 	struct secret_settings *settings;
204 
205 	settings = talloc_zero(suite, struct secret_settings);
206 	settings->bindoptions = bindoptions;
207 
208 	if (bindoptions == DCERPC_PUSH_BIGENDIAN)
209 		name = talloc_strdup(suite, "bigendian");
210 	else if (bindoptions == DCERPC_SEAL)
211 		name = talloc_strdup(suite, "seal");
212 	else if (bindoptions == 0)
213 		name = talloc_strdup(suite, "none");
214 	else
215 		name = talloc_strdup(suite, "unknown");
216 
217 	name = talloc_asprintf_append_buffer(name, " keyexchange:%s", keyexchange?"yes":"no");
218 	settings->keyexchange = keyexchange;
219 
220 	name = talloc_asprintf_append_buffer(name, " ntlm2:%s", ntlm2?"yes":"no");
221 	settings->ntlm2 = ntlm2;
222 
223 	name = talloc_asprintf_append_buffer(name, " lm_key:%s", lm_key?"yes":"no");
224 	settings->lm_key = lm_key;
225 
226 	return torture_suite_add_simple_tcase_const(suite, name, test_secrets,
227 			settings);
228 }
229 
230 static const bool bool_vals[] = { true, false };
231 
232 /* TEST session key correctness by pushing and pulling secrets */
233 struct torture_suite *torture_rpc_lsa_secrets(TALLOC_CTX *mem_ctx)
234 {
235 	struct torture_suite *suite = torture_suite_create(mem_ctx, "lsa.secrets");
236 	int keyexchange, ntlm2, lm_key;
237 
238 	for (keyexchange = 0; keyexchange < ARRAY_SIZE(bool_vals); keyexchange++) {
239 		for (ntlm2 = 0; ntlm2 < ARRAY_SIZE(bool_vals); ntlm2++) {
240 			for (lm_key = 0; lm_key < ARRAY_SIZE(bool_vals); lm_key++) {
241 				add_test(suite, DCERPC_PUSH_BIGENDIAN, bool_vals[keyexchange], bool_vals[ntlm2],
242 					 bool_vals[lm_key]);
243 				add_test(suite, DCERPC_SEAL, bool_vals[keyexchange], bool_vals[ntlm2], bool_vals[lm_key]);
244 				add_test(suite, 0, bool_vals[keyexchange], bool_vals[ntlm2], bool_vals[lm_key]);
245 			}
246 		}
test_samr_ops(struct torture_context * tctx,struct dcerpc_binding_handle * b)247 	}
248 
249 	return suite;
250 }
251