2 * Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
17 * @file ckm-common.cpp
18 * @author Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
23 #include <sys/smack.h>
24 #include <ckmc/ckmc-type.h>
25 #include <ckm-common.h>
26 #include <tests_common.h>
27 #include <access_provider2.h>
28 #include <ckm/ckm-control.h>
29 #include <ckm/ckm-manager.h>
30 #include <ckmc/ckmc-control.h>
31 #include <ckmc/ckmc-manager.h>
32 #include <service_manager.h>
36 const std::string SMACK_USER_APP_PREFIX = "User::App::";
38 void generate_random(size_t random_bytes, char *output)
40 RUNNER_ASSERT(random_bytes>0 && output);
42 std::ifstream is("/dev/urandom", std::ifstream::binary);
43 RUNNER_ASSERT_MSG(is, "Failed to read /dev/urandom");
44 is.read(output, random_bytes);
45 if(static_cast<std::streamsize>(random_bytes) != is.gcount()) {
46 RUNNER_ASSERT_MSG(false,
47 "Not enough bytes read from /dev/urandom: " << random_bytes << "!=" <<
52 const char* SERVICE[] = {
53 "central-key-manager-listener.service",
54 "central-key-manager.service" };
56 void start_service(ServiceIdx idx)
58 ServiceManager sm(SERVICE[idx]);
62 void stop_service(ServiceIdx idx)
64 ServiceManager sm(SERVICE[idx]);
68 std::string getLabel() {
71 RUNNER_ASSERT_MSG(0 <= (ret = smack_new_label_from_self(&myLabel)),
72 "Failed to get smack label for self. Error: " << ret);
73 RUNNER_ASSERT_MSG(myLabel, "NULL smack label");
74 std::string result = myLabel;
79 std::string getOwnerIdFromSelf() {
80 const std::string& prefix = SMACK_USER_APP_PREFIX;
81 std::string smack = getLabel();
82 if (0 == smack.compare(0, prefix.size(), prefix))
83 return smack.substr(prefix.size(), std::string::npos);
87 std::string aliasWithLabel(const char *label, const char *alias)
92 ss << label << std::string(ckmc_label_name_separator) << alias;
95 return std::string(alias);
98 // changes process label
99 void change_label(const char* label)
101 int ret = smack_set_label_for_self(label);
102 RUNNER_ASSERT_MSG(0 == ret, "Error in smack_set_label_for_self("<<label<<"). Error: " << ret);
105 ScopedLabel::ScopedLabel(const char* label) : m_original_label(getLabel())
110 ScopedLabel::~ScopedLabel()
113 * Let it throw. If we can't restore label then remaining tests results will be
116 change_label(m_original_label.c_str());
119 const char * CKMCErrorToString(int error) {
120 #define ERRORDESCRIBE(name) case name: return #name
122 ERRORDESCRIBE(CKMC_ERROR_NONE);
123 ERRORDESCRIBE(CKMC_ERROR_INVALID_PARAMETER);
124 ERRORDESCRIBE(CKMC_ERROR_OUT_OF_MEMORY);
125 ERRORDESCRIBE(CKMC_ERROR_PERMISSION_DENIED);
126 ERRORDESCRIBE(CKMC_ERROR_SOCKET);
127 ERRORDESCRIBE(CKMC_ERROR_BAD_REQUEST);
128 ERRORDESCRIBE(CKMC_ERROR_BAD_RESPONSE);
129 ERRORDESCRIBE(CKMC_ERROR_SEND_FAILED);
130 ERRORDESCRIBE(CKMC_ERROR_RECV_FAILED);
131 ERRORDESCRIBE(CKMC_ERROR_AUTHENTICATION_FAILED);
132 ERRORDESCRIBE(CKMC_ERROR_BUFFER_TOO_SMALL);
133 ERRORDESCRIBE(CKMC_ERROR_SERVER_ERROR);
134 ERRORDESCRIBE(CKMC_ERROR_DB_LOCKED);
135 ERRORDESCRIBE(CKMC_ERROR_DB_ERROR);
136 ERRORDESCRIBE(CKMC_ERROR_DB_ALIAS_EXISTS);
137 ERRORDESCRIBE(CKMC_ERROR_DB_ALIAS_UNKNOWN);
138 ERRORDESCRIBE(CKMC_ERROR_VERIFICATION_FAILED);
139 ERRORDESCRIBE(CKMC_ERROR_INVALID_FORMAT);
140 ERRORDESCRIBE(CKMC_ERROR_FILE_ACCESS_DENIED);
141 ERRORDESCRIBE(CKMC_ERROR_NOT_EXPORTABLE);
142 ERRORDESCRIBE(CKMC_ERROR_FILE_SYSTEM);
143 ERRORDESCRIBE(CKMC_ERROR_NOT_SUPPORTED);
144 ERRORDESCRIBE(CKMC_ERROR_UNKNOWN);
145 default: return "Error not defined";
150 std::string CKMCReadableError(int error) {
151 std::string output("Error: ");
152 output += std::to_string(error);
153 output += " Description: ";
154 output += CKMCErrorToString(error);
158 void save_data(const char* alias, const char *data, int expected_err)
160 save_data(alias, data, strlen(data), expected_err);
163 void save_data(const char* alias, const char *data, size_t len, int expected_err = CKMC_ERROR_NONE)
165 RUNNER_ASSERT(alias);
168 ckmc_raw_buffer_s buffer;
169 buffer.data = reinterpret_cast<unsigned char*>(const_cast<char*>(data));
171 ckmc_policy_s policy;
172 policy.password = NULL;
173 policy.extractable = true;
175 int ret = ckmc_save_data(alias, buffer, policy);
176 RUNNER_ASSERT_MSG(expected_err == ret, "Saving data failed. "
177 << CKMCErrorToString(ret) << " while expected: "
178 << CKMCErrorToString(expected_err));
182 ScopedSaveData::ScopedSaveData(const char* alias, const char *data, int expected_err) : m_alias(alias)
184 save_data(alias, data, expected_err);
187 ScopedSaveData::~ScopedSaveData()
190 * Let it throw. If we can't remove data then remaining tests results will be
193 check_remove_allowed(m_alias.c_str());
196 ScopedDBUnlock::ScopedDBUnlock(uid_t user_id, const char* passwd) : m_uid(user_id)
199 RUNNER_ASSERT_MSG(CKMC_ERROR_NONE == (temp = ckmc_unlock_user_key(user_id, passwd)), CKMCErrorToString(temp));
201 ScopedDBUnlock::~ScopedDBUnlock()
204 RUNNER_ASSERT_MSG(CKMC_ERROR_NONE == (temp = ckmc_lock_user_key(m_uid)), CKMCErrorToString(temp));
207 void check_remove_allowed(const char* alias)
209 int ret = ckmc_remove_alias(alias);
210 // remove, but ignore non existing
211 RUNNER_ASSERT_MSG((CKMC_ERROR_NONE == ret) || (CKMC_ERROR_DB_ALIAS_UNKNOWN == ret),
212 "Removing data failed: " << CKMCErrorToString(ret));
215 void check_remove_denied(const char* alias)
217 int ret = ckmc_remove_alias(alias);
219 CKMC_ERROR_PERMISSION_DENIED == ret,
220 "App with different label shouldn't have rights to remove this data. "
221 << CKMCReadableError(ret));
224 void check_remove_not_visible(const char* alias)
226 int ret = ckmc_remove_alias(alias);
228 CKMC_ERROR_DB_ALIAS_UNKNOWN == ret,
229 "App with different label shouldn't have rights to see this data. "
230 << CKMCReadableError(ret));
233 void check_read(const char* alias,
235 const char *test_data,
239 ckmc_raw_buffer_s* buffer = NULL;
240 int ret = ckmc_get_data(aliasWithLabel(label, alias).c_str(), NULL, &buffer);
241 RUNNER_ASSERT_MSG(expected_code == ret, "Getting data failed. "
242 "Expected " << CKMCErrorToString(expected_code) << ", "
243 "while result " << CKMCErrorToString(ret));
245 if(expected_code == CKMC_ERROR_NONE)
247 // compare data with expected
250 "Extracted data length do not match expected data length (encrypted?):" <<
251 buffer->size << "!=" << len);
254 memcmp(const_cast<const char*>(reinterpret_cast<char*>(buffer->data)),
255 test_data, buffer->size) == 0,
256 "Extracted data do not match expected data (encrypted?).");
258 ckmc_buffer_free(buffer);
262 void check_read(const char* alias, const char *label, const char *test_data, int expected_code)
264 check_read(alias, label, test_data, strlen(test_data), expected_code);
267 void check_read_allowed(const char* alias, const char *data)
269 // try to read previously saved data - label taken implicitly
270 check_read(alias, NULL, data);
273 void check_read_not_visible(const char* alias)
275 // try to read previously saved data - label taken implicitly
277 ckmc_raw_buffer_s* buffer = NULL;
278 int ret = ckmc_get_data(alias, NULL, &buffer);
279 RUNNER_ASSERT_MSG(CKMC_ERROR_DB_ALIAS_UNKNOWN == ret,
280 "App with different label shouldn't have rights to see this data. " << CKMCErrorToString(ret));
281 ckmc_buffer_free(buffer);
285 void check_key(const char *alias, int expected_error, ckmc_key_type_e expected_type)
287 ckmc_key_s *test_key = NULL;
288 int temp = ckmc_get_key(alias, 0, &test_key);
290 expected_error == temp,
291 "received: " << CKMCReadableError(temp) << " while expected: " << CKMCReadableError(expected_error));
292 if(expected_type != CKMC_KEY_NONE)
295 test_key->key_type == expected_type,
296 "received type: " << test_key->key_type << " while expected type: " << expected_type);
298 ckmc_key_free(test_key);
300 void check_key_allowed(const char *alias, ckmc_key_type_e expected_type)
302 check_key(alias, CKMC_ERROR_NONE, expected_type);
304 void check_key_not_visible(const char *alias)
306 check_key(alias, CKMC_ERROR_DB_ALIAS_UNKNOWN);
308 void check_cert_allowed(const char *alias)
310 ckmc_cert_s *test_cert = NULL;
311 int temp = ckmc_get_cert(alias, 0, &test_cert);
312 ckmc_cert_free(test_cert);
313 RUNNER_ASSERT_MSG(CKMC_ERROR_NONE == temp, CKMCReadableError(temp));
316 void check_cert_not_visible(const char *alias)
318 ckmc_cert_s *test_cert = NULL;
319 int temp = ckmc_get_cert(alias, 0, &test_cert);
320 ckmc_cert_free(test_cert);
321 RUNNER_ASSERT_MSG(CKMC_ERROR_DB_ALIAS_UNKNOWN == temp,
322 "App with different label shouldn't have rights to see this cert. " << CKMCErrorToString(temp));
325 void allow_access(const char* alias, const char* accessor, int permissionMask)
327 // data removal should revoke this access
328 int ret = ckmc_set_permission(alias, accessor, permissionMask);
329 RUNNER_ASSERT_MSG(CKMC_ERROR_NONE == ret, "Trying to allow access returned: "
330 << CKMCErrorToString(ret));
333 void allow_access_negative(const char* alias, const char* accessor, int permissionMask, int expectedCode)
335 // data removal should revoke this access
336 int ret = ckmc_set_permission(alias, accessor, permissionMask);
337 RUNNER_ASSERT_MSG(expectedCode == ret, "Trying to allow access returned "
338 << CKMCErrorToString(ret) << ", while expected: "
339 << CKMCErrorToString(expectedCode));
342 void deny_access(const char* alias, const char* accessor)
344 int ret = ckmc_set_permission(alias, accessor, CKMC_PERMISSION_NONE);
345 RUNNER_ASSERT_MSG(CKMC_ERROR_NONE == ret, "Denying access failed. Error: "
346 << CKMCErrorToString(ret));
349 void deny_access_negative(const char* alias, const char* accessor, int expectedCode)
351 int ret = ckmc_set_permission(alias, accessor, CKMC_PERMISSION_NONE);
352 RUNNER_ASSERT_MSG(expectedCode == ret, "Denying access failed. "
353 << CKMCErrorToString(ret) << ", while expected: "
354 << CKMCErrorToString(expectedCode));
357 void unlock_user_data(uid_t user_id, const char *passwd)
360 auto control = CKM::Control::create();
361 RUNNER_ASSERT_MSG(CKM_API_SUCCESS == (ret = control->unlockUserKey(user_id, passwd)),
362 "Error=" << CKM::ErrorToString(ret));
365 void remove_user_data(uid_t user_id)
367 auto control = CKM::Control::create();
368 control->lockUserKey(user_id);
369 control->removeUserData(user_id);
372 void reset_user_data(uid_t user_id, const char *passwd)
374 remove_user_data(user_id);
375 unlock_user_data(user_id, passwd);
378 ckmc_raw_buffer_s prepare_message_buffer(const char * input)
380 ckmc_raw_buffer_s retval;
381 retval.data = const_cast<unsigned char *>(reinterpret_cast<const unsigned char *>(input));
382 retval.size = strlen(input);
386 void check_alias_list(const CKM::AliasVector& expected)
388 ckmc_alias_list_s *aliasList = NULL;
389 int ret = ckmc_get_data_alias_list(&aliasList);
390 RUNNER_ASSERT_MSG(ret == 0, "Failed to get the list of data aliases. " << ret << " / " << CKMCErrorToString(ret));
392 CKM::AliasVector actual;
393 ckmc_alias_list_s *plist = aliasList;
396 actual.push_back(plist->alias);
399 ckmc_alias_list_all_free(aliasList);
401 RUNNER_ASSERT_MSG(expected == actual, "Actual list of aliases differ from expected list.");
404 size_t count_aliases(alias_type_ type, size_t minimum_initial_element_count)
406 ckmc_alias_list_s *aliasList = NULL;
411 ec = ckmc_get_key_alias_list(&aliasList);
415 ec = ckmc_get_cert_alias_list(&aliasList);
419 ec = ckmc_get_data_alias_list(&aliasList);
422 RUNNER_ASSERT_MSG(false, "Unsupported value ALIAS_KEY == " << (int)type);
425 if(ec == CKMC_ERROR_DB_ALIAS_UNKNOWN)
428 RUNNER_ASSERT_MSG(ec == CKMC_ERROR_NONE,
429 "Error: alias list failed, ec: " << CKMCErrorToString(ec));
431 ckmc_alias_list_s *plist = aliasList;
432 size_t return_count = 0;
438 ckmc_alias_list_all_free(aliasList);
441 return_count >= minimum_initial_element_count,
442 "Error: alias list failed, current element count: " << return_count <<
443 " while expected minimal count of " << minimum_initial_element_count <<
449 std::string sharedDatabase(const CKM::Alias & alias)
451 return aliasWithLabel(ckmc_owner_id_system, alias.c_str());
454 ckmc_raw_buffer_s* createRandomBufferCAPI(size_t random_bytes)
456 ckmc_raw_buffer_s* buffer = NULL;
457 char* data = static_cast<char*>(malloc(random_bytes*sizeof(char)));
459 generate_random(random_bytes, data);
460 int ret = ckmc_buffer_new(reinterpret_cast<unsigned char*>(data), random_bytes, &buffer);
461 RUNNER_ASSERT_MSG(ret == CKMC_ERROR_NONE, "Buffer creation failed: " << CKMCErrorToString(ret));
465 CKM::RawBuffer createRandomBuffer(size_t random_bytes)
467 char buffer[random_bytes];
468 generate_random(random_bytes, buffer);
469 return CKM::RawBuffer(buffer, buffer + random_bytes);
472 ckmc_key_s *generate_AES_key(size_t lengthBits, const char *passwd)
474 ckmc_key_s *retval = reinterpret_cast<ckmc_key_s *>(malloc(sizeof(ckmc_key_s)));
475 RUNNER_ASSERT(retval != NULL);
477 RUNNER_ASSERT(lengthBits%8 == 0);
478 char *char_key_AES = reinterpret_cast<char*>(malloc(lengthBits/8));
479 RUNNER_ASSERT(char_key_AES != NULL);
480 generate_random(lengthBits/8, char_key_AES);
482 retval->raw_key = reinterpret_cast<unsigned char *>(char_key_AES);
483 retval->key_size = lengthBits/8;
484 retval->key_type = CKMC_KEY_AES;
485 retval->password = passwd?strdup(passwd):NULL;
490 void validate_AES_key(ckmc_key_s *analyzed)
492 RUNNER_ASSERT_MSG(analyzed, "provided key is NULL");
493 RUNNER_ASSERT_MSG(analyzed->raw_key != NULL, "provided key is empty");
494 RUNNER_ASSERT_MSG(analyzed->key_size==(128/8) ||
495 analyzed->key_size==(192/8) ||
496 analyzed->key_size==(256/8), "provided key length is invalid");
497 RUNNER_ASSERT_MSG(analyzed->key_type = CKMC_KEY_AES, "expected AES key, while got: " << analyzed->key_type);
500 void compare_AES_keys(ckmc_key_s *first, ckmc_key_s *second)
502 validate_AES_key(first);
503 validate_AES_key(second);
505 (first->key_size==second->key_size) &&
506 (memcmp(first->raw_key, second->raw_key, first->key_size)==0),
507 "data has been modified in key manager");
508 // bypassing password intentionally
511 ParamListPtr createParamListPtr()
513 ckmc_param_list_h list = NULL;
514 assert_positive(ckmc_param_list_new, &list);
515 return ParamListPtr(list, ckmc_param_list_free);
518 void assert_buffers_equal(const ckmc_raw_buffer_s b1, const ckmc_raw_buffer_s b2, bool equal)
521 RUNNER_ASSERT_MSG(b1.size == b2.size, "Buffer size differs: " << b1.size << "!=" << b2.size);
522 RUNNER_ASSERT_MSG(0 == memcmp(b1.data, b2.data, b1.size), "Buffer contents differ");
524 RUNNER_ASSERT_MSG(b1.size != b2.size || 0 != memcmp(b1.data, b2.data, b1.size),
525 "Buffers should be different");
529 RawBufferPtr create_raw_buffer(ckmc_raw_buffer_s* buffer)
531 return RawBufferPtr(buffer, ckmc_buffer_free);