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Issue 10783004: Move Windows Sandbox, trybots version (don't commit me!) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase to top of tree Created 8 years, 5 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // This file contains unit tests for the RestrictedToken.
6
7 #define _ATL_NO_EXCEPTIONS
8 #include <atlbase.h>
9 #include <atlsecurity.h>
10 #include <vector>
11 #include "sandbox/src/restricted_token.h"
12 #include "sandbox/src/sid.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14
15 namespace sandbox {
16
17 // Tests the initializatioin with an invalid token handle.
18 TEST(RestrictedTokenTest, InvalidHandle) {
19 RestrictedToken token;
20 ASSERT_EQ(ERROR_INVALID_HANDLE, token.Init(reinterpret_cast<HANDLE>(0x5555)));
21 }
22
23 // Tests the initialization with NULL as parameter.
24 TEST(RestrictedTokenTest, DefaultInit) {
25 // Get the current process token.
26 HANDLE token_handle = INVALID_HANDLE_VALUE;
27 ASSERT_TRUE(::OpenProcessToken(::GetCurrentProcess(), TOKEN_ALL_ACCESS,
28 &token_handle));
29
30 ASSERT_NE(INVALID_HANDLE_VALUE, token_handle);
31
32 ATL::CAccessToken access_token;
33 access_token.Attach(token_handle);
34
35 // Create the token using the current token.
36 RestrictedToken token_default;
37 ASSERT_EQ(ERROR_SUCCESS, token_default.Init(NULL));
38
39 // Get the handle to the restricted token.
40
41 HANDLE restricted_token_handle = NULL;
42 ASSERT_EQ(ERROR_SUCCESS,
43 token_default.GetRestrictedTokenHandle(&restricted_token_handle));
44
45 ATL::CAccessToken restricted_token;
46 restricted_token.Attach(restricted_token_handle);
47
48 ATL::CSid sid_user_restricted;
49 ATL::CSid sid_user_default;
50 ATL::CSid sid_owner_restricted;
51 ATL::CSid sid_owner_default;
52 ASSERT_TRUE(restricted_token.GetUser(&sid_user_restricted));
53 ASSERT_TRUE(access_token.GetUser(&sid_user_default));
54 ASSERT_TRUE(restricted_token.GetOwner(&sid_owner_restricted));
55 ASSERT_TRUE(access_token.GetOwner(&sid_owner_default));
56
57 // Check if both token have the same owner and user.
58 ASSERT_EQ(sid_user_restricted, sid_user_default);
59 ASSERT_EQ(sid_owner_restricted, sid_owner_default);
60 }
61
62 // Tests the initialization with a custom token as parameter.
63 TEST(RestrictedTokenTest, CustomInit) {
64 // Get the current process token.
65 HANDLE token_handle = INVALID_HANDLE_VALUE;
66 ASSERT_TRUE(::OpenProcessToken(::GetCurrentProcess(), TOKEN_ALL_ACCESS,
67 &token_handle));
68
69 ASSERT_NE(INVALID_HANDLE_VALUE, token_handle);
70
71 ATL::CAccessToken access_token;
72 access_token.Attach(token_handle);
73
74 // Change the primary group.
75 access_token.SetPrimaryGroup(ATL::Sids::World());
76
77 // Create the token using the current token.
78 RestrictedToken token;
79 ASSERT_EQ(ERROR_SUCCESS, token.Init(access_token.GetHandle()));
80
81 // Get the handle to the restricted token.
82
83 HANDLE restricted_token_handle = NULL;
84 ASSERT_EQ(ERROR_SUCCESS,
85 token.GetRestrictedTokenHandle(&restricted_token_handle));
86
87 ATL::CAccessToken restricted_token;
88 restricted_token.Attach(restricted_token_handle);
89
90 ATL::CSid sid_restricted;
91 ATL::CSid sid_default;
92 ASSERT_TRUE(restricted_token.GetPrimaryGroup(&sid_restricted));
93 ASSERT_TRUE(access_token.GetPrimaryGroup(&sid_default));
94
95 // Check if both token have the same owner.
96 ASSERT_EQ(sid_restricted, sid_default);
97 }
98
99 // Verifies that the token created by the object are valid.
100 TEST(RestrictedTokenTest, ResultToken) {
101 RestrictedToken token;
102 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
103
104 ASSERT_EQ(ERROR_SUCCESS,
105 token.AddRestrictingSid(ATL::Sids::World().GetPSID()));
106
107 HANDLE restricted_token;
108 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&restricted_token));
109
110 ASSERT_TRUE(::IsTokenRestricted(restricted_token));
111
112 DWORD length = 0;
113 TOKEN_TYPE type;
114 ASSERT_TRUE(::GetTokenInformation(restricted_token,
115 ::TokenType,
116 &type,
117 sizeof(type),
118 &length));
119
120 ASSERT_EQ(type, TokenPrimary);
121
122 HANDLE impersonation_token;
123 ASSERT_EQ(ERROR_SUCCESS,
124 token.GetRestrictedTokenHandleForImpersonation(&impersonation_token));
125
126 ASSERT_TRUE(::IsTokenRestricted(impersonation_token));
127
128 ASSERT_TRUE(::GetTokenInformation(impersonation_token,
129 ::TokenType,
130 &type,
131 sizeof(type),
132 &length));
133
134 ASSERT_EQ(type, TokenImpersonation);
135
136 ::CloseHandle(impersonation_token);
137 ::CloseHandle(restricted_token);
138 }
139
140 // Verifies that the token created has "Restricted" in its default dacl.
141 TEST(RestrictedTokenTest, DefaultDacl) {
142 RestrictedToken token;
143 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
144
145 ASSERT_EQ(ERROR_SUCCESS,
146 token.AddRestrictingSid(ATL::Sids::World().GetPSID()));
147
148 HANDLE handle;
149 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&handle));
150
151 ATL::CAccessToken restricted_token;
152 restricted_token.Attach(handle);
153
154 ATL::CDacl dacl;
155 ASSERT_TRUE(restricted_token.GetDefaultDacl(&dacl));
156
157 bool restricted_found = false;
158
159 unsigned int ace_count = dacl.GetAceCount();
160 for (unsigned int i = 0; i < ace_count ; ++i) {
161 ATL::CSid sid;
162 ACCESS_MASK mask = 0;
163 dacl.GetAclEntry(i, &sid, &mask);
164 if (sid == ATL::Sids::RestrictedCode() && mask == GENERIC_ALL) {
165 restricted_found = true;
166 break;
167 }
168 }
169
170 ASSERT_TRUE(restricted_found);
171 }
172
173 // Tests the method "AddSidForDenyOnly".
174 TEST(RestrictedTokenTest, DenySid) {
175 RestrictedToken token;
176 HANDLE token_handle = NULL;
177
178 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
179 ASSERT_EQ(ERROR_SUCCESS, token.AddSidForDenyOnly(Sid(WinWorldSid)));
180 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
181
182 ATL::CAccessToken restricted_token;
183 restricted_token.Attach(token_handle);
184
185 ATL::CTokenGroups groups;
186 ASSERT_TRUE(restricted_token.GetGroups(&groups));
187
188 ATL::CSid::CSidArray sids;
189 ATL::CAtlArray<DWORD> attributes;
190 groups.GetSidsAndAttributes(&sids, &attributes);
191
192 for (unsigned int i = 0; i < sids.GetCount(); i++) {
193 if (ATL::Sids::World() == sids[i]) {
194 ASSERT_EQ(SE_GROUP_USE_FOR_DENY_ONLY,
195 attributes[i] & SE_GROUP_USE_FOR_DENY_ONLY);
196 }
197 }
198 }
199
200 // Tests the method "AddAllSidsForDenyOnly".
201 TEST(RestrictedTokenTest, DenySids) {
202 RestrictedToken token;
203 HANDLE token_handle = NULL;
204
205 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
206 ASSERT_EQ(ERROR_SUCCESS, token.AddAllSidsForDenyOnly(NULL));
207 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
208
209 ATL::CAccessToken restricted_token;
210 restricted_token.Attach(token_handle);
211
212 ATL::CTokenGroups groups;
213 ASSERT_TRUE(restricted_token.GetGroups(&groups));
214
215 ATL::CSid::CSidArray sids;
216 ATL::CAtlArray<DWORD> attributes;
217 groups.GetSidsAndAttributes(&sids, &attributes);
218
219 // Verify that all sids are really gone.
220 for (unsigned int i = 0; i < sids.GetCount(); i++) {
221 if ((attributes[i] & SE_GROUP_LOGON_ID) == 0 &&
222 (attributes[i] & SE_GROUP_INTEGRITY) == 0) {
223 ASSERT_EQ(SE_GROUP_USE_FOR_DENY_ONLY,
224 attributes[i] & SE_GROUP_USE_FOR_DENY_ONLY);
225 }
226 }
227 }
228
229 // Tests the method "AddAllSidsForDenyOnly" using an exception list.
230 TEST(RestrictedTokenTest, DenySidsException) {
231 RestrictedToken token;
232 HANDLE token_handle = NULL;
233
234 std::vector<Sid> sids_exception;
235 sids_exception.push_back(Sid(WinWorldSid));
236
237 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
238 ASSERT_EQ(ERROR_SUCCESS, token.AddAllSidsForDenyOnly(&sids_exception));
239 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
240
241 ATL::CAccessToken restricted_token;
242 restricted_token.Attach(token_handle);
243
244 ATL::CTokenGroups groups;
245 ASSERT_TRUE(restricted_token.GetGroups(&groups));
246
247 ATL::CSid::CSidArray sids;
248 ATL::CAtlArray<DWORD> attributes;
249 groups.GetSidsAndAttributes(&sids, &attributes);
250
251 // Verify that all sids are really gone.
252 for (unsigned int i = 0; i < sids.GetCount(); i++) {
253 if ((attributes[i] & SE_GROUP_LOGON_ID) == 0 &&
254 (attributes[i] & SE_GROUP_INTEGRITY) == 0) {
255 if (ATL::Sids::World() == sids[i]) {
256 ASSERT_EQ(NULL, attributes[i] & SE_GROUP_USE_FOR_DENY_ONLY);
257 } else {
258 ASSERT_EQ(SE_GROUP_USE_FOR_DENY_ONLY,
259 attributes[i] & SE_GROUP_USE_FOR_DENY_ONLY);
260 }
261 }
262 }
263 }
264
265 // Tests test method AddOwnerSidForDenyOnly.
266 TEST(RestrictedTokenTest, DenyOwnerSid) {
267 RestrictedToken token;
268 HANDLE token_handle = NULL;
269
270 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
271 ASSERT_EQ(ERROR_SUCCESS, token.AddUserSidForDenyOnly());
272 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
273
274 ATL::CAccessToken restricted_token;
275 restricted_token.Attach(token_handle);
276
277 ATL::CTokenGroups groups;
278 ASSERT_TRUE(restricted_token.GetGroups(&groups));
279
280 ATL::CSid::CSidArray sids;
281 ATL::CAtlArray<DWORD> attributes;
282 groups.GetSidsAndAttributes(&sids, &attributes);
283
284 ATL::CSid user_sid;
285 ASSERT_TRUE(restricted_token.GetUser(&user_sid));
286
287 for (unsigned int i = 0; i < sids.GetCount(); ++i) {
288 if (user_sid == sids[i]) {
289 ASSERT_EQ(SE_GROUP_USE_FOR_DENY_ONLY,
290 attributes[i] & SE_GROUP_USE_FOR_DENY_ONLY);
291 }
292 }
293 }
294
295 // Tests the method DeleteAllPrivileges.
296 TEST(RestrictedTokenTest, DeleteAllPrivileges) {
297 RestrictedToken token;
298 HANDLE token_handle = NULL;
299
300 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
301 ASSERT_EQ(ERROR_SUCCESS, token.DeleteAllPrivileges(NULL));
302 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
303
304 ATL::CAccessToken restricted_token;
305 restricted_token.Attach(token_handle);
306
307 ATL::CTokenPrivileges privileges;
308 ASSERT_TRUE(restricted_token.GetPrivileges(&privileges));
309
310 ASSERT_EQ(0, privileges.GetCount());
311 }
312
313 // Tests the method DeleteAllPrivileges with an exception list.
314 TEST(RestrictedTokenTest, DeleteAllPrivilegesException) {
315 RestrictedToken token;
316 HANDLE token_handle = NULL;
317
318 std::vector<std::wstring> exceptions;
319 exceptions.push_back(SE_CHANGE_NOTIFY_NAME);
320
321 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
322 ASSERT_EQ(ERROR_SUCCESS, token.DeleteAllPrivileges(&exceptions));
323 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
324
325 ATL::CAccessToken restricted_token;
326 restricted_token.Attach(token_handle);
327
328 ATL::CTokenPrivileges privileges;
329 ASSERT_TRUE(restricted_token.GetPrivileges(&privileges));
330
331 ATL::CTokenPrivileges::CNames privilege_names;
332 ATL::CTokenPrivileges::CAttributes privilege_name_attributes;
333 privileges.GetNamesAndAttributes(&privilege_names,
334 &privilege_name_attributes);
335
336 ASSERT_EQ(1, privileges.GetCount());
337
338 for (unsigned int i = 0; i < privileges.GetCount(); ++i) {
339 ASSERT_EQ(privilege_names[i], SE_CHANGE_NOTIFY_NAME);
340 }
341 }
342
343 // Tests the method DeletePrivilege.
344 TEST(RestrictedTokenTest, DeletePrivilege) {
345 RestrictedToken token;
346 HANDLE token_handle = NULL;
347
348 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
349 ASSERT_EQ(ERROR_SUCCESS, token.DeletePrivilege(SE_CHANGE_NOTIFY_NAME));
350 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
351
352 ATL::CAccessToken restricted_token;
353 restricted_token.Attach(token_handle);
354
355 ATL::CTokenPrivileges privileges;
356 ASSERT_TRUE(restricted_token.GetPrivileges(&privileges));
357
358 ATL::CTokenPrivileges::CNames privilege_names;
359 ATL::CTokenPrivileges::CAttributes privilege_name_attributes;
360 privileges.GetNamesAndAttributes(&privilege_names,
361 &privilege_name_attributes);
362
363 for (unsigned int i = 0; i < privileges.GetCount(); ++i) {
364 ASSERT_NE(privilege_names[i], SE_CHANGE_NOTIFY_NAME);
365 }
366 }
367
368 // Checks if a sid is in the restricting list of the restricted token.
369 // Asserts if it's not the case. If count is a positive number, the number of
370 // elements in the restricting sids list has to be equal.
371 void CheckRestrictingSid(const ATL::CAccessToken &restricted_token,
372 ATL::CSid sid, int count) {
373 DWORD length = 1000;
374 BYTE *memory = new BYTE[1000];
375 TOKEN_GROUPS *groups = reinterpret_cast<TOKEN_GROUPS*>(memory);
376 ASSERT_TRUE(::GetTokenInformation(restricted_token.GetHandle(),
377 TokenRestrictedSids,
378 groups,
379 length,
380 &length));
381
382 ATL::CTokenGroups atl_groups(*groups);
383 delete[] memory;
384
385 if (count >= 0)
386 ASSERT_EQ(count, atl_groups.GetCount());
387
388 ATL::CSid::CSidArray sids;
389 ATL::CAtlArray<DWORD> attributes;
390 atl_groups.GetSidsAndAttributes(&sids, &attributes);
391
392 bool present = false;
393 for (unsigned int i = 0; i < sids.GetCount(); ++i) {
394 if (sids[i] == sid) {
395 present = true;
396 break;
397 }
398 }
399
400 ASSERT_TRUE(present);
401 }
402
403 // Tests the method AddRestrictingSid.
404 TEST(RestrictedTokenTest, AddRestrictingSid) {
405 RestrictedToken token;
406 HANDLE token_handle = NULL;
407
408 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
409 ASSERT_EQ(ERROR_SUCCESS,
410 token.AddRestrictingSid(ATL::Sids::World().GetPSID()));
411 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
412
413 ATL::CAccessToken restricted_token;
414 restricted_token.Attach(token_handle);
415
416 CheckRestrictingSid(restricted_token, ATL::Sids::World(), 1);
417 }
418
419 // Tests the method AddRestrictingSidCurrentUser.
420 TEST(RestrictedTokenTest, AddRestrictingSidCurrentUser) {
421 RestrictedToken token;
422 HANDLE token_handle = NULL;
423
424 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
425 ASSERT_EQ(ERROR_SUCCESS, token.AddRestrictingSidCurrentUser());
426 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
427
428 ATL::CAccessToken restricted_token;
429 restricted_token.Attach(token_handle);
430 ATL::CSid user;
431 restricted_token.GetUser(&user);
432
433 CheckRestrictingSid(restricted_token, user, 1);
434 }
435
436 // Tests the method AddRestrictingSidLogonSession.
437 TEST(RestrictedTokenTest, AddRestrictingSidLogonSession) {
438 RestrictedToken token;
439 HANDLE token_handle = NULL;
440
441 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
442 ASSERT_EQ(ERROR_SUCCESS, token.AddRestrictingSidLogonSession());
443 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
444
445 ATL::CAccessToken restricted_token;
446 restricted_token.Attach(token_handle);
447 ATL::CSid session;
448 restricted_token.GetLogonSid(&session);
449
450 CheckRestrictingSid(restricted_token, session, 1);
451 }
452
453 // Tests adding a lot of restricting sids.
454 TEST(RestrictedTokenTest, AddMultipleRestrictingSids) {
455 RestrictedToken token;
456 HANDLE token_handle = NULL;
457
458 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
459 ASSERT_EQ(ERROR_SUCCESS, token.AddRestrictingSidCurrentUser());
460 ASSERT_EQ(ERROR_SUCCESS, token.AddRestrictingSidLogonSession());
461 ASSERT_EQ(ERROR_SUCCESS,
462 token.AddRestrictingSid(ATL::Sids::World().GetPSID()));
463 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
464
465 ATL::CAccessToken restricted_token;
466 restricted_token.Attach(token_handle);
467 ATL::CSid session;
468 restricted_token.GetLogonSid(&session);
469
470 DWORD length = 1000;
471 BYTE *memory = new BYTE[1000];
472 TOKEN_GROUPS *groups = reinterpret_cast<TOKEN_GROUPS*>(memory);
473 ASSERT_TRUE(::GetTokenInformation(restricted_token.GetHandle(),
474 TokenRestrictedSids,
475 groups,
476 length,
477 &length));
478
479 ATL::CTokenGroups atl_groups(*groups);
480 delete[] memory;
481
482 ASSERT_EQ(3, atl_groups.GetCount());
483 }
484
485 // Tests the method "AddRestrictingSidAllSids".
486 TEST(RestrictedTokenTest, AddAllSidToRestrictingSids) {
487 RestrictedToken token;
488 HANDLE token_handle = NULL;
489
490 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
491 ASSERT_EQ(ERROR_SUCCESS, token.AddRestrictingSidAllSids());
492 ASSERT_EQ(ERROR_SUCCESS, token.GetRestrictedTokenHandle(&token_handle));
493
494 ATL::CAccessToken restricted_token;
495 restricted_token.Attach(token_handle);
496
497 ATL::CTokenGroups groups;
498 ASSERT_TRUE(restricted_token.GetGroups(&groups));
499
500 ATL::CSid::CSidArray sids;
501 ATL::CAtlArray<DWORD> attributes;
502 groups.GetSidsAndAttributes(&sids, &attributes);
503
504 // Verify that all group sids are in the restricting sid list.
505 for (unsigned int i = 0; i < sids.GetCount(); i++) {
506 if ((attributes[i] & SE_GROUP_INTEGRITY) == 0) {
507 CheckRestrictingSid(restricted_token, sids[i], -1);
508 }
509 }
510
511 // Verify that the user is in the restricting sid list.
512 ATL::CSid user;
513 restricted_token.GetUser(&user);
514 CheckRestrictingSid(restricted_token, user, -1);
515 }
516
517 // Test to be executed only in release because they are triggering DCHECKs.
518 #ifndef _DEBUG
519
520 // Checks the error code when the object is initialized twice.
521 TEST(RestrictedTokenTest, DoubleInit) {
522 RestrictedToken token;
523 ASSERT_EQ(ERROR_SUCCESS, token.Init(NULL));
524
525 ASSERT_EQ(ERROR_ALREADY_INITIALIZED, token.Init(NULL));
526 }
527
528 #endif
529
530 } // namespace sandbox
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