misc/encryption_scheme/scheme-test.cpp

   1 /*
   2  *  Copyright (c) 2015-2020 Samsung Electronics Co., Ltd. All rights reserved
   3  *
   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
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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
  15  */
  16 /*
  17  * @file       scheme-test.cpp
  18  * @author     Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
  19  * @version    1.0
  20  */
  21 #include "scheme-test.h"
  22
  23 #include <sys/smack.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <sys/sendfile.h>
  27 #include <fcntl.h>
  28 #include <unistd.h>
  29 #include <string.h>
  30 #include <grp.h>
  31 #include <pwd.h>
  32
  33 #include <fstream>
  34 #include <stdexcept>
  35 #include <vector>
  36
  37 #include <boost/test/unit_test.hpp>
  38
  39 #include <db-crypto.h>
  40 #include <file-system.h>
  41 #include <key-provider.h>
  42 #include <db-row.h>
  43 #include <dpl/errno_string.h>
  44 #include "smack-access.h"
  45
  46 using namespace CKM;
  47 using namespace std;
  48
  49 namespace {
  50 const uid_t UID = 7654;
  51 const gid_t GID = 7654;
  52 const char *const DBPASS = "db-pass";
  53 const char *const LABEL = "my-label";
  54 const ClientId OWNER = "/" + string(LABEL);
  55 const int ENC_SCHEME_OFFSET = 24;
  56 const string TEST_DATA_STR = "test-data";
  57 RawBuffer TEST_DATA(TEST_DATA_STR.begin(), TEST_DATA_STR.end());
  58 const Password TEST_PASS = "custom user password";
  59 const size_t IV_LEN = 16;
  60 const size_t CHAIN_LEN = 3;
  61 const mode_t MODE_0644 = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
  62
  63 enum {
  64         NO_PASS = 0,
  65         PASS = 1
  66 };
  67
  68 enum {
  69         NO_EXP = 0,
  70         EXP = 1
  71 };
  72
  73 // [password][exportable]
  74 Policy policy[2][2] = {
  75         {{ Password(), false }, { Password(), true }},
  76         {{ TEST_PASS,  false }, { TEST_PASS,  true }},
  77 };
  78
  79 struct Group {
  80         enum {
  81                 SINGLE_ITEM,
  82                 KEY_PAIR_RSA,
  83                 CERT_CHAIN
  84         } type;
  85         Items items;
  86 };
  87
  88 Group GROUPS[] = {
  89         // Data
  90         {
  91                 Group::SINGLE_ITEM, {
  92                         Item("data-alias1", DataType::BINARY_DATA,  policy[NO_PASS][EXP])
  93                 }
  94         },
  95         {
  96                 Group::SINGLE_ITEM, {
  97                         Item("data-alias2", DataType::BINARY_DATA,  policy[PASS][EXP])
  98                 }
  99         },
 100
 101         // RSA keys
 102         {
 103                 Group::KEY_PAIR_RSA, {
 104                         Item("key-rsa-alias-prv1", DataType::KEY_RSA_PRIVATE,  policy[NO_PASS][NO_EXP]),
 105                         Item("key-rsa-alias-pub1", DataType::KEY_RSA_PUBLIC,   policy[NO_PASS][NO_EXP])
 106                 }
 107         },
 108         {
 109                 Group::KEY_PAIR_RSA, {
 110                         Item("key-rsa-alias-prv2", DataType::KEY_RSA_PRIVATE,  policy[NO_PASS][EXP]),
 111                         Item("key-rsa-alias-pub2", DataType::KEY_RSA_PUBLIC,   policy[NO_PASS][EXP]),
 112                 }
 113         },
 114         {
 115                 Group::KEY_PAIR_RSA, {
 116                         Item("key-rsa-alias-prv3", DataType::KEY_RSA_PRIVATE,  policy[PASS][NO_EXP]),
 117                         Item("key-rsa-alias-pub3", DataType::KEY_RSA_PUBLIC,   policy[PASS][NO_EXP]),
 118                 }
 119         },
 120         {
 121                 Group::KEY_PAIR_RSA, {
 122                         Item("key-rsa-alias-prv4", DataType::KEY_RSA_PRIVATE,  policy[PASS][EXP]),
 123                         Item("key-rsa-alias-pub4", DataType::KEY_RSA_PUBLIC,   policy[PASS][EXP]),
 124                 }
 125         },
 126         // different policies
 127         {
 128                 Group::KEY_PAIR_RSA, {
 129                         Item("key-rsa-alias-prv5", DataType::KEY_RSA_PRIVATE,  policy[PASS][NO_EXP]),
 130                         Item("key-rsa-alias-pub5", DataType::KEY_RSA_PUBLIC,   policy[NO_PASS][EXP]),
 131                 }
 132         },
 133
 134         // AES
 135         {
 136                 Group::SINGLE_ITEM, {
 137                         Item("key-aes-alias1",     DataType::KEY_AES,          policy[NO_PASS][NO_EXP]),
 138                 }
 139         },
 140         {
 141                 Group::SINGLE_ITEM, {
 142                         Item("key-aes-alias2",     DataType::KEY_AES,          policy[NO_PASS][EXP]),
 143                 }
 144         },
 145         {
 146                 Group::SINGLE_ITEM, {
 147                         Item("key-aes-alias3",     DataType::KEY_AES,          policy[PASS][NO_EXP]),
 148                 }
 149         },
 150         {
 151                 Group::SINGLE_ITEM, {
 152                         Item("key-aes-alias4",     DataType::KEY_AES,          policy[PASS][EXP]),
 153                 }
 154         },
 155
 156         // Certificates
 157         {
 158                 Group::CERT_CHAIN, {
 159                         Item("cert-root-alias1",   DataType::CERTIFICATE,      policy[NO_PASS][NO_EXP]),
 160                         Item("cert-im-ca-alias1",  DataType::CERTIFICATE,      policy[NO_PASS][NO_EXP]),
 161                         Item("cert-leaf-alias1",   DataType::CERTIFICATE,      policy[NO_PASS][NO_EXP]),
 162                 }
 163         },
 164         {
 165                 Group::CERT_CHAIN, {
 166                         Item("cert-root-alias2",   DataType::CERTIFICATE,      policy[NO_PASS][EXP]),
 167                         Item("cert-im-ca-alias2",  DataType::CERTIFICATE,      policy[NO_PASS][EXP]),
 168                         Item("cert-leaf-alias2",   DataType::CERTIFICATE,      policy[NO_PASS][EXP]),
 169                 }
 170         },
 171         {
 172                 Group::CERT_CHAIN, {
 173                         Item("cert-root-alias3",   DataType::CERTIFICATE,      policy[PASS][NO_EXP]),
 174                         Item("cert-im-ca-alias3",  DataType::CERTIFICATE,      policy[PASS][NO_EXP]),
 175                         Item("cert-leaf-alias3",   DataType::CERTIFICATE,      policy[PASS][NO_EXP]),
 176                 }
 177         },
 178         {
 179                 Group::CERT_CHAIN, {
 180                         Item("cert-root-alias4",   DataType::CERTIFICATE,      policy[PASS][EXP]),
 181                         Item("cert-im-ca-alias4",  DataType::CERTIFICATE,      policy[PASS][EXP]),
 182                         Item("cert-leaf-alias4",   DataType::CERTIFICATE,      policy[PASS][EXP]),
 183                 }
 184         },
 185
 186         // PKCS
 187         {
 188                 Group::SINGLE_ITEM, {
 189                         Item("pkcs-alias1",        DataType::CHAIN_CERT_0,     policy[NO_PASS][NO_EXP]),
 190                 }
 191         },
 192         {
 193                 Group::SINGLE_ITEM, {
 194                         Item("pkcs-alias2",        DataType::CHAIN_CERT_0,     policy[NO_PASS][EXP]),
 195                 }
 196         },
 197 #ifndef TZ_BACKEND_ENABLED // TZ does not support importing asymmetric keys with password
 198         {
 199                 Group::SINGLE_ITEM, {
 200                         Item("pkcs-alias3",        DataType::CHAIN_CERT_0,     policy[PASS][NO_EXP]),
 201                 }
 202         },
 203 #endif
 204         {
 205                 Group::SINGLE_ITEM, {
 206                         Item("pkcs-alias4",        DataType::CHAIN_CERT_0,     policy[PASS][EXP]),
 207                 }
 208         },
 209 };
 210
 211 const size_t CHAIN_SIZE = 3;
 212
 213 // TEST_ROOT_CA, expires 2035
 214 std::string TEST_ROOT_CA =
 215         "-----BEGIN CERTIFICATE-----\n"
 216         "MIIDnzCCAoegAwIBAgIJAMH/ADkC5YSTMA0GCSqGSIb3DQEBBQUAMGYxCzAJBgNV\n"
 217         "BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMQ0wCwYDVQQKDARBQ01FMRAwDgYD\n"
 218         "VQQLDAdUZXN0aW5nMSEwHwYDVQQDDBhUZXN0IHJvb3QgY2EgY2VydGlmaWNhdGUw\n"
 219         "HhcNMTQxMjMwMTcyMTUyWhcNMjQxMjI3MTcyMTUyWjBmMQswCQYDVQQGEwJBVTET\n"
 220         "MBEGA1UECAwKU29tZS1TdGF0ZTENMAsGA1UECgwEQUNNRTEQMA4GA1UECwwHVGVz\n"
 221         "dGluZzEhMB8GA1UEAwwYVGVzdCByb290IGNhIGNlcnRpZmljYXRlMIIBIjANBgkq\n"
 222         "hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0EJRdUtd2th0vTVF7QxvDKzyFCF3w9vC\n"
 223         "9IDE/Yr12w+a9jd0s7/eG96qTHIYffS3B7x2MB+d4n+SR3W0qmYh7xk8qfEgH3da\n"
 224         "eDoV59IZ9r543KM+g8jm6KffYGX1bIJVVY5OhBRbO9nY6byYpd5kbCIUB6dCf7/W\n"
 225         "rQl1aIdLGFIegAzPGFPXDcU6F192686x54bxt/itMX4agHJ9ZC/rrTBIZghVsjJo\n"
 226         "5/AH5WZpasv8sfrGiiohAxtieoYoJkv5MOYP4/2lPlOY+Cgw1Yoz+HHv31AllgFs\n"
 227         "BquBb/kJVmCCNsAOcnvQzTZUsW/TXz9G2nwRdqI1nSy2JvVjZGsqGQIDAQABo1Aw\n"
 228         "TjAdBgNVHQ4EFgQUt6pkzFt1PZlfYRL/HGnufF4frdwwHwYDVR0jBBgwFoAUt6pk\n"
 229         "zFt1PZlfYRL/HGnufF4frdwwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQUFAAOC\n"
 230         "AQEAld7Qwq0cdzDQ51w1RVLwTR8Oy25PB3rzwEHcSGJmdqlMi3xOdaz80S1R1BBX\n"
 231         "ldvGBG5Tn0vT7xSuhmSgI2/HnBpy9ocHVOmhtNB4473NieEpfTYrnGXrFxu46Wus\n"
 232         "9m/ZnugcQ2G6C54A/NFtvgLmaC8uH8M7gKdS6uYUwJFQEofkjmd4UpOYSqmcRXhS\n"
 233         "Jzd5FYFWkJhKJYp3nlENSOD8CUFFVGekm05nFN2gRVc/qaqQkEX77+XYvhodLRsV\n"
 234         "qMn7nf7taidDKLO2T4bhujztnTYOhhaXKgPy7AtZ28N2wvX96VyAPB/vrchGmyBK\n"
 235         "kOg11TpPdNDkhb1J4ZCh2gupDg==\n"
 236         "-----END CERTIFICATE-----\n";
 237
 238 // TEST_IM_CA, signed by TEST_ROOT_CA, expires 2035
 239 std::string TEST_IM_CA =
 240         "-----BEGIN CERTIFICATE-----\n"
 241         "MIIDljCCAn6gAwIBAgICEAAwDQYJKoZIhvcNAQEFBQAwZjELMAkGA1UEBhMCQVUx\n"
 242         "EzARBgNVBAgMClNvbWUtU3RhdGUxDTALBgNVBAoMBEFDTUUxEDAOBgNVBAsMB1Rl\n"
 243         "c3RpbmcxITAfBgNVBAMMGFRlc3Qgcm9vdCBjYSBjZXJ0aWZpY2F0ZTAeFw0xNTAx\n"
 244         "MTYxNjQ1MzRaFw0zNTAxMTExNjQ1MzRaMGQxCzAJBgNVBAYTAkFVMRMwEQYDVQQI\n"
 245         "DApTb21lLVN0YXRlMQ0wCwYDVQQKDARBQ01FMRAwDgYDVQQLDAdUZXN0aW5nMR8w\n"
 246         "HQYDVQQDDBZUZXN0IElNIENBIGNlcnRpZmljYXRlMIIBIjANBgkqhkiG9w0BAQEF\n"
 247         "AAOCAQ8AMIIBCgKCAQEAzmBF78qClgoKfnLAncMXZwZ14TW+5kags1+QCYeg3c7j\n"
 248         "L9+RvDxIaX2tKf1sukJcwQfYqUlQkwt+58LMOb2ORtkpj8Or6WCWCZ0BzneT8ug7\n"
 249         "nxJT4m9+bohMF0JoKjjB2H4KNMHamLIwUxRKt6nyfk81kVhJOi2vzzxd+UCPi6Pc\n"
 250         "UAbJNH48eNgOIg55nyFovVzYj8GIo/9GvHJj83PPa/KlJZ+Z1qZASZZ/VYorplVT\n"
 251         "thsHXKfejhFy5YJ9t7n/vyAQsyBsagZsvX19xnH41fbYXHKf8UbXG23rNaZlchs6\n"
 252         "XJVLQdzOpj3WTj/lCocVHqLaZISLhNQ3aI7kUBUdiwIDAQABo1AwTjAdBgNVHQ4E\n"
 253         "FgQUoCYNaCBP4jl/3SYQuK8Ka+6i3QEwHwYDVR0jBBgwFoAUt6pkzFt1PZlfYRL/\n"
 254         "HGnufF4frdwwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQUFAAOCAQEAjRzWiD97\n"
 255         "Htv4Kxpm3P+C+xP9AEteCJfO+7p8MWgtWEJOknJyt55zeKS2JwZIq57KcbqD8U7v\n"
 256         "vAUx1ymtUhlFPFd7J1mJ3pou+3aFYmGShYhGHpbrmUwjp7HVP588jrW1NoZVHdMc\n"
 257         "4OgJWFrViXeu9+maIcekjMB/+9Y0dUgQuK5ZuT5H/Jwet7Th/o9uufTUZjBzRvrB\n"
 258         "pbXgQpqgME2av4Q/6LuldPCTHLtWXgFUU2R+yCGmuGilvhFJnKoQryAbYnIQNWE8\n"
 259         "SLoHQ9s1i7Zyb7HU6UAaqMOz15LBkyAqtNyJcO2p7Q/p5YK0xfD4xisI5qXucqVm\n"
 260         "F2obL5qJSTN/RQ==\n"
 261         "-----END CERTIFICATE-----\n";
 262
 263 // TEST_LEAF, signed by TEST_IM_CA, expires 2035
 264 std::string TEST_LEAF =
 265         "-----BEGIN CERTIFICATE-----\n"
 266         "MIIDOzCCAiMCAQEwDQYJKoZIhvcNAQEFBQAwZDELMAkGA1UEBhMCQVUxEzARBgNV\n"
 267         "BAgMClNvbWUtU3RhdGUxDTALBgNVBAoMBEFDTUUxEDAOBgNVBAsMB1Rlc3Rpbmcx\n"
 268         "HzAdBgNVBAMMFlRlc3QgSU0gQ0EgY2VydGlmaWNhdGUwHhcNMTUwMTE2MTY0ODE0\n"
 269         "WhcNMzUwMTExMTY0ODE0WjBjMQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1T\n"
 270         "dGF0ZTENMAsGA1UECgwEQUNNRTEQMA4GA1UECwwHVGVzdGluZzEeMBwGA1UEAwwV\n"
 271         "VGVzdCBsZWFmIGNlcnRpZmljYXRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB\n"
 272         "CgKCAQEAzTdDIa2tDmRxFnIgiG+mBz8GoSVODs0ImNQGbqj+pLhBOFRH8fsah4Jl\n"
 273         "z5YF9KwhMVLknnHGFLE/Nb7Ac35kEzhMQMpTRxohW83oxw3eZ8zN/FBoKqg4qHRq\n"
 274         "QR8kS10YXTgrBR0ex/Vp+OUKEw6h7yL2r4Tpvrn9/qHwsxtLxqWbDIVf1O9b1Lfc\n"
 275         "bllYMdmV5E62yN5tcwrDP8gvHjFnVeLzrG8wTpc9FR90/0Jkfp5jAJcArOBLrT0E\n"
 276         "4VRqs+4HuwT8jAwFAmNnc7IYX5qSjtSWkmmHe73K/lzB+OiI0JEc/3eWUTWqwTSk\n"
 277         "4tNCiQGBKJ39LXPTBBJdzmxVH7CUDQIDAQABMA0GCSqGSIb3DQEBBQUAA4IBAQAp\n"
 278         "UdDOGu3hNiG+Vn10aQ6B1ZmOj3t+45gUV3sC+y8hB8EK1g4P5Ke9bVDts0T5eOnj\n"
 279         "CSc+6VoND5O4adI0IFFRFljHNVnvjeosHfUZNnowsmA2ptQBtC1g5ZKRvKXlkC5/\n"
 280         "i5BGgRqPFA7y9WB9Y05MrJHf3E+Oz/RBsLeeNiNN+rF5X1vYExvGHpo0M0zS0ze9\n"
 281         "HtC0aOy8ocsTrQkf3ceHTAXx2i8ftoSSD4klojtWFpWMrNQa52F7wB9nU6FfKRuF\n"
 282         "Zj/T1JkYXKkEwZU6nAR2jdZp3EP9xj3o15V/tyFcXHx6l8NTxn4cJb+Xe4VquQJz\n"
 283         "6ON7PVe0ABN/AlwVQiFE\n"
 284         "-----END CERTIFICATE-----\n";
 285
 286
 287
 288 struct FdCloser {
 289         void operator()(int *fd)
 290         {
 291                 if (fd)
 292                         close(*fd);
 293         }
 294 };
 295
 296 typedef std::unique_ptr<int, FdCloser> FdPtr;
 297
 298 uid_t getUid(const char *name)
 299 {
 300         struct passwd pwd;
 301         struct passwd *result = nullptr;
 302         int bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
 303
 304         if (bufsize <= 0)
 305                 bufsize = 16384; /* should be more than enough */
 306
 307         memset(&pwd, 0x00, sizeof(pwd));
 308
 309         std::vector<char> buf(bufsize, 0);
 310
 311         int ret = getpwnam_r(name, &pwd, buf.data(), bufsize, &result);
 312         BOOST_REQUIRE_MESSAGE(ret == 0 && result, "getpwnam_r failed");
 313
 314         return pwd.pw_uid;
 315 }
 316
 317 gid_t getGid(const char *name)
 318 {
 319         struct group grp;
 320         struct group *result = nullptr;
 321         size_t bufsize = sysconf(_SC_GETGR_R_SIZE_MAX);
 322
 323         if (bufsize <= 0)
 324                 bufsize = 16384; /* should be more than enough */
 325
 326         memset(&grp, 0x00, sizeof(grp));
 327
 328         std::vector<char> buf(bufsize, 0);
 329
 330         int ret = getgrnam_r(name, &grp, buf.data(), bufsize, &result);
 331         BOOST_REQUIRE_MESSAGE(ret == 0 && result, "getgrnam_r failed");
 332
 333         return grp.gr_gid;
 334 }
 335
 336 void restoreFile(const string &filename)
 337 {
 338         static uid_t CKM_UID = getUid(USER_NAME);
 339         static gid_t CKM_GID = getGid(GROUP_NAME);
 340         string sourcePath = string(MISC_DIR) + "/" + filename;
 341         string targetPath = string(RW_DATA_DIR) + "/" + filename;
 342
 343         int err, ret;
 344
 345         int sourceFd = TEMP_FAILURE_RETRY(open(sourcePath.c_str(), O_RDONLY));
 346         err = errno;
 347         BOOST_REQUIRE_MESSAGE(sourceFd > 0,
 348                                                   "Opening " << sourcePath << " failed: " << GetErrnoString(err));
 349
 350         FdPtr sourceFdPtr(&sourceFd);
 351
 352         int targetFd = TEMP_FAILURE_RETRY(creat(targetPath.c_str(), MODE_0644));
 353         err = errno;
 354         BOOST_REQUIRE_MESSAGE(targetFd > 0,
 355                                                   "Creating " << targetPath << " failed: " << GetErrnoString(err));
 356
 357         ret = fchown(targetFd, CKM_UID, CKM_GID);
 358         err = errno;
 359         BOOST_REQUIRE_MESSAGE(ret != -1, "fchown() failed: " << GetErrnoString(err));
 360
 361         FdPtr targetFdPtr(&targetFd);
 362
 363         struct stat sourceStat;
 364         ret = fstat(sourceFd, &sourceStat);
 365         err = errno;
 366         BOOST_REQUIRE_MESSAGE(ret != -1, "fstat() failed: " << GetErrnoString(err));
 367
 368         ret = sendfile(targetFd, sourceFd, 0, sourceStat.st_size);
 369         err = errno;
 370         BOOST_REQUIRE_MESSAGE(ret != -1, "sendfile() failed: " << GetErrnoString(err));
 371
 372         ret = fsync(targetFd);
 373         err = errno;
 374         BOOST_REQUIRE_MESSAGE(ret != -1, "fsync() failed: " << GetErrnoString(err));
 375 }
 376
 377 void generateRandom(size_t random_bytes, unsigned char *output)
 378 {
 379         if (random_bytes <= 0 || !output)
 380                 throw runtime_error("Invalid param");
 381
 382         std::ifstream is("/dev/urandom", std::ifstream::binary);
 383
 384         if (!is)
 385                 throw runtime_error("Failed to read /dev/urandom");
 386
 387         is.read(reinterpret_cast<char *>(output), random_bytes);
 388
 389         if (static_cast<std::streamsize>(random_bytes) != is.gcount())
 390                 throw runtime_error("Not enough bytes read from /dev/urandom");
 391 }
 392
 393 RawBuffer createRandomBuffer(size_t random_bytes)
 394 {
 395         RawBuffer buffer(random_bytes);
 396         generateRandom(buffer.size(), buffer.data());
 397         return buffer;
 398 }
 399 } // namespace anonymous
 400
 401
 402 SchemeTest::SchemeTest() : m_userChanged(false), m_directAccessEnabled(false)
 403 {
 404         m_control = Control::create();
 405         m_mgr = Manager::create();
 406
 407         SmackAccess sa;
 408         sa.add("System", LABEL, "rwx");
 409         sa.add(LABEL, "System", "rwx");
 410         sa.add(LABEL, "System::Run", "x");
 411         sa.apply();
 412 }
 413
 414 SchemeTest::~SchemeTest()
 415 {
 416         try {
 417                 SwitchToRoot();
 418         } catch (...) {}
 419 }
 420
 421 void SchemeTest::RemoveUserData()
 422 {
 423         if (CKM_API_SUCCESS != m_control->lockUserKey(UID))
 424                 throw runtime_error("lockUserKey failed");
 425
 426         if (CKM_API_SUCCESS != m_control->removeUserData(UID))
 427                 throw runtime_error("removeUserData failed");
 428 }
 429
 430 void SchemeTest::SwitchToUser()
 431 {
 432         if (m_userChanged)
 433                 return;
 434
 435         if (CKM_API_SUCCESS != m_control->unlockUserKey(UID, DBPASS))
 436                 throw runtime_error("unlockUserKey failed");
 437
 438         // get calling label
 439         char *label = NULL;
 440
 441         if (smack_new_label_from_self(&label) <= 0)
 442                 throw runtime_error("smack_new_label_from_self failed");
 443
 444         m_origLabel = string(label);
 445         free(label);
 446
 447         if (0 > smack_set_label_for_self(LABEL))
 448                 throw runtime_error("smack_set_label_for_self failed");
 449
 450         if (0 > setegid(GID))
 451                 throw runtime_error("setegid failed");
 452
 453         if (0 > seteuid(UID))
 454                 throw runtime_error("seteuid failed");
 455
 456         m_userChanged = true;
 457 }
 458
 459 void SchemeTest::SwitchToRoot()
 460 {
 461         if (!m_userChanged)
 462                 return;
 463
 464         if (0 > seteuid(0))
 465                 throw runtime_error("seteuid failed");
 466
 467         if (0 > setegid(0))
 468                 throw runtime_error("setegid failed");
 469
 470         if (0 > smack_set_label_for_self(m_origLabel.c_str()))
 471                 throw runtime_error("smack_set_label_for_self failed");
 472
 473         if (m_control->lockUserKey(UID) != CKM_API_SUCCESS)
 474                 throw runtime_error("lockUserKey failed");
 475 }
 476
 477 void SchemeTest::FillDb()
 478 {
 479         // pkcs
 480         ifstream is(MISC_DIR "/encryption-scheme.p12");
 481
 482         if (!is)
 483                 throw runtime_error("Failed to read pkcs");
 484
 485         istreambuf_iterator<char> begin(is), end;
 486         RawBuffer pkcsBuffer(begin, end);
 487         auto pkcs = PKCS12::create(pkcsBuffer, Password());
 488
 489         if (!pkcs || pkcs->empty())
 490                 throw runtime_error("Empty pkcs");
 491
 492         SwitchToUser();
 493
 494         // certificates
 495         RawBuffer rootCaBuffer(TEST_ROOT_CA.begin(), TEST_ROOT_CA.end());
 496         CertificateShPtr rootCa = CKM::Certificate::create(rootCaBuffer,
 497                                                           CKM::DataFormat::FORM_PEM);
 498         RawBuffer imCaBuffer(TEST_IM_CA.begin(), TEST_IM_CA.end());
 499         CertificateShPtr imCa = CKM::Certificate::create(imCaBuffer,
 500                                                         CKM::DataFormat::FORM_PEM);
 501         RawBuffer leafBuffer(TEST_LEAF.begin(), TEST_LEAF.end());
 502         CertificateShPtr leaf = CKM::Certificate::create(leafBuffer,
 503                                                         CKM::DataFormat::FORM_PEM);
 504
 505         for (const auto &g : GROUPS) {
 506                 switch (g.type) {
 507                 case Group::KEY_PAIR_RSA:
 508                         if (g.items.size() != 2)
 509                                 throw runtime_error("Wrong number of keys");
 510
 511                         if (g.items[0].type != DataType::KEY_RSA_PRIVATE ||
 512                                         g.items[1].type != DataType::KEY_RSA_PUBLIC)
 513                                 throw runtime_error("Invalid item type");
 514
 515                         if (CKM_API_SUCCESS != m_mgr->createKeyPairRSA(1024,
 516                                         g.items[0].alias,
 517                                         g.items[1].alias,
 518                                         g.items[0].policy,
 519                                         g.items[1].policy))
 520                                 throw runtime_error("createKeyPair failed");
 521
 522                         break;
 523
 524                 case Group::CERT_CHAIN:
 525                         if (g.items.size() != CHAIN_SIZE)
 526                                 throw runtime_error("Wrong number of certificates");
 527
 528                         if (g.items[0].type != DataType::CERTIFICATE ||
 529                                         g.items[1].type != DataType::CERTIFICATE ||
 530                                         g.items[2].type != DataType::CERTIFICATE)
 531                                 throw runtime_error("Invalid item type");
 532
 533                         if (CKM_API_SUCCESS != m_mgr->saveCertificate(g.items[0].alias, rootCa,
 534                                         g.items[0].policy))
 535                                 throw runtime_error("saveCertificate failed");
 536
 537                         if (CKM_API_SUCCESS != m_mgr->saveCertificate(g.items[1].alias, imCa,
 538                                         g.items[1].policy))
 539                                 throw runtime_error("saveCertificate failed");
 540
 541                         if (CKM_API_SUCCESS != m_mgr->saveCertificate(g.items[2].alias, leaf,
 542                                         g.items[2].policy))
 543                                 throw runtime_error("saveCertificate failed");
 544
 545                         break;
 546
 547                 default:
 548                         for (const auto &i : g.items) {
 549                                 switch (i.type) {
 550                                 case DataType::BINARY_DATA:
 551                                         if (CKM_API_SUCCESS != m_mgr->saveData(i.alias, TEST_DATA, i.policy))
 552                                                 throw runtime_error("saveData failed");
 553
 554                                         break;
 555
 556                                 case DataType::KEY_AES:
 557                                         if (CKM_API_SUCCESS != m_mgr->createKeyAES(256, i.alias, i.policy))
 558                                                 throw runtime_error("createKeyAES failed");
 559
 560                                         break;
 561
 562                                 case DataType::CHAIN_CERT_0:    // PKCS
 563                                         if (CKM_API_SUCCESS != m_mgr->savePKCS12(i.alias, pkcs, i.policy, i.policy))
 564                                                 throw runtime_error("savePkcs12 failed");
 565
 566                                         break;
 567
 568                                 default:
 569                                         throw runtime_error("unsupported data type");
 570                                 }
 571                         }
 572
 573                         break;
 574                 }
 575         }
 576 }
 577
 578 void SchemeTest::CheckAliasInfo()
 579 {
 580         SwitchToUser();
 581         for (const auto &g : GROUPS) {
 582                 for (const auto &i : g.items) {
 583                         int ret;
 584                         bool encStatus = false;
 585                         Password pass = i.policy.password;
 586
 587                         if (pass.empty())
 588                                 pass = TEST_PASS;
 589                         else
 590                                 pass = Password();
 591
 592                         switch (i.type) {
 593                         case DataType::BINARY_DATA: {
 594                                 ret = m_mgr->getDataEncryptionStatus(i.alias, encStatus);
 595                                 BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 596                                                                           "can not get data encryption status, ret: " +
 597                                                                           std::to_string(ret));
 598                                 break;
 599                         }
 600
 601                         case DataType::KEY_AES:
 602                         case DataType::KEY_RSA_PRIVATE:
 603                         case DataType::KEY_RSA_PUBLIC: {
 604                                 ret = m_mgr->getKeyEncryptionStatus(i.alias, encStatus);
 605                                 BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 606                                                                           "can not get key encryption status, ret: " +
 607                                                                           std::to_string(ret));
 608                                 break;
 609                         }
 610
 611                         case DataType::CERTIFICATE: {
 612                                 ret = m_mgr->getCertificateEncryptionStatus(i.alias, encStatus);
 613                                 BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 614                                                                           "can not get certificate encryption status, ret: " +
 615                                                                           std::to_string(ret));
 616                                 break;
 617                         }
 618
 619                         case DataType::CHAIN_CERT_0: {
 620                                 ret = m_mgr->getCertificateEncryptionStatus(i.alias, encStatus);
 621                                 BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 622                                                                           "can not get certificate encryption status, ret: " +
 623                                                                           std::to_string(ret));
 624                                 ret = m_mgr->getKeyEncryptionStatus(i.alias, encStatus);
 625                                 BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 626                                                                           "can not get key encryption status, ret: " +
 627                                                                           std::to_string(ret));
 628                                 break;
 629                         }
 630
 631                         default:
 632                                 BOOST_FAIL("Unsupported data type " << i.type);
 633                         }
 634                 BOOST_REQUIRE_MESSAGE(encStatus == !i.policy.password.empty(), "item: " <<
 635                                                           i.alias << " has wrong encryption status: " << encStatus);
 636
 637                 }
 638         }
 639 }
 640
 641
 642 void SchemeTest::ReadAll(bool useWrongPass)
 643 {
 644         SwitchToUser();
 645
 646         for (const auto &g : GROUPS) {
 647                 for (const auto &i : g.items) {
 648                         int ret;
 649                         Password pass = i.policy.password;
 650
 651                         if (useWrongPass) {
 652                                 if (pass.empty())
 653                                         pass = TEST_PASS;
 654                                 else
 655                                         pass = Password();
 656                         }
 657
 658                         switch (i.type) {
 659                         case DataType::BINARY_DATA: {
 660                                 RawBuffer receivedData;
 661                                 ret = m_mgr->getData(i.alias, pass, receivedData);
 662                                 BOOST_REQUIRE_MESSAGE(useWrongPass || receivedData == TEST_DATA,
 663                                                                           "Received data is different for " << i.alias);
 664                                 break;
 665                         }
 666
 667                         case DataType::KEY_AES:
 668                         case DataType::KEY_RSA_PRIVATE:
 669                         case DataType::KEY_RSA_PUBLIC: {
 670                                 KeyShPtr receivedKey;
 671                                 ret = m_mgr->getKey(i.alias, pass, receivedKey);
 672                                 break;
 673                         }
 674
 675                         case DataType::CERTIFICATE: {
 676                                 CertificateShPtr receivedCert;
 677                                 ret = m_mgr->getCertificate(i.alias, pass, receivedCert);
 678                                 break;
 679                         }
 680
 681                         case DataType::CHAIN_CERT_0: { // pkcs
 682                                 PKCS12ShPtr pkcs;
 683                                 ret = m_mgr->getPKCS12(i.alias, pass, pass, pkcs);
 684                                 break;
 685                         }
 686
 687                         default:
 688                                 BOOST_FAIL("Unsupported data type " << i.type);
 689                         }
 690
 691                         if (i.policy.extractable) {
 692                                 if (useWrongPass)
 693                                         BOOST_REQUIRE_MESSAGE(ret == CKM_API_ERROR_AUTHENTICATION_FAILED,
 694                                                                                   "Reading item " << i.alias << " should fail with " <<
 695                                                                                   CKM_API_ERROR_AUTHENTICATION_FAILED << " got: " << ret);
 696                                 else
 697                                         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS, "Reading item " << i.alias <<
 698                                                                                   " failed with " << ret);
 699                         } else {
 700                                 BOOST_REQUIRE_MESSAGE(ret == CKM_API_ERROR_NOT_EXPORTABLE, "Item " << i.alias <<
 701                                                                           " should not be exportable");
 702                         }
 703                 }
 704         }
 705 }
 706
 707 void SchemeTest::SignVerify()
 708 {
 709         SwitchToUser();
 710
 711         for (const auto &g : GROUPS) {
 712                 if (g.type == Group::KEY_PAIR_RSA) {
 713                         BOOST_REQUIRE_MESSAGE(g.items.size() == 2, "Wrong number of keys");
 714                         BOOST_REQUIRE_MESSAGE(g.items[0].type == DataType::KEY_RSA_PRIVATE &&
 715                                                                   g.items[1].type == DataType::KEY_RSA_PUBLIC, "Wrong key");
 716
 717                         SignVerifyItem(g.items[0], g.items[1]);
 718                 } else {
 719                         for (const auto &i : g.items) {
 720                                 switch (i.type) {
 721                                 case DataType::CHAIN_CERT_0:
 722                                         SignVerifyItem(i, i);
 723                                         break;
 724
 725                                 default:
 726                                         break;
 727                                 }
 728                         }
 729                 }
 730         }
 731 }
 732
 733 void SchemeTest::EncryptDecrypt()
 734 {
 735         SwitchToUser();
 736
 737         for (const auto &g : GROUPS) {
 738                 if (g.type == Group::KEY_PAIR_RSA) {
 739                         BOOST_REQUIRE_MESSAGE(g.items.size() == 2, "Wrong number of keys");
 740                         BOOST_REQUIRE_MESSAGE(g.items[0].type == DataType::KEY_RSA_PRIVATE &&
 741                                                                   g.items[1].type == DataType::KEY_RSA_PUBLIC, "Wrong key");
 742
 743                         EncryptDecryptItem(g.items[0], g.items[1]);
 744                 } else {
 745                         for (const auto &i : g.items) {
 746                                 switch (i.type) {
 747                                 case DataType::KEY_AES:
 748                                         EncryptDecryptItem(i);
 749                                         break;
 750
 751                                 case DataType::CHAIN_CERT_0:
 752                                         EncryptDecryptItem(i, i);
 753                                         break;
 754
 755                                 default:
 756                                         break;
 757                                 }
 758                         }
 759                 }
 760         }
 761 }
 762
 763 void SchemeTest::CreateChain()
 764 {
 765         SwitchToUser();
 766
 767         for (const auto &g : GROUPS) {
 768                 if (g.type == Group::CERT_CHAIN) {
 769                         BOOST_REQUIRE_MESSAGE(g.items.size() == CHAIN_SIZE, "Not enough certificates");
 770
 771                         for (const auto &c : g.items)
 772                                 BOOST_REQUIRE_MESSAGE(c.type == DataType::CERTIFICATE, "Wrong item type");
 773
 774                         Items trusted(CHAIN_SIZE - 1);
 775                         std::copy(g.items.begin(), g.items.begin() + CHAIN_SIZE - 1, trusted.begin());
 776
 777                         // last one is ee (leaf)
 778                         CreateChainItem(g.items.back(), trusted);
 779                 } else {
 780                         for (const auto &i : g.items) {
 781                                 if (i.type == DataType::CHAIN_CERT_0) // PKCS
 782                                         CreateChainItem(i, { i });
 783                         }
 784                 }
 785         }
 786 }
 787
 788 void SchemeTest::RemoveAll()
 789 {
 790         SwitchToUser();
 791
 792         for (const auto &g : GROUPS) {
 793                 for (const auto &i : g.items) {
 794                         int ret = m_mgr->removeAlias(i.alias);
 795                         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 796                                                                   "removeAlias() failed with " << ret << " for " << i.alias);
 797                 }
 798         }
 799 }
 800 size_t SchemeTest::CountObjects()
 801 {
 802         EnableDirectDbAccess();
 803
 804         size_t ret = 0;
 805
 806         for (const auto &g : GROUPS) {
 807                 for (const auto &i : g.items) {
 808                         DB::RowVector rows;
 809                         // it is assumed that aliases are different
 810                         m_db->getRows(i.alias, OWNER, DataType::DB_FIRST, DataType::DB_LAST, rows);
 811                         ret += rows.size();
 812                 }
 813         }
 814
 815         return ret;
 816 }
 817
 818 void SchemeTest::RestoreDb()
 819 {
 820         m_db.reset();
 821         restoreFile("key-7654");
 822         restoreFile("db-key-7654");
 823         restoreFile("db-7654");
 824         m_directAccessEnabled = false;
 825 }
 826
 827 void SchemeTest::CheckSchemeVersion(const ItemFilter &filter, int version)
 828 {
 829         EnableDirectDbAccess();
 830
 831         for (const auto &g : GROUPS) {
 832                 for (const auto &i : g.items) {
 833                         if (!filter.Matches(i))
 834                                 continue;
 835
 836                         DB::RowVector rows;
 837                         m_db->getRows(i.alias, OWNER, filter.typeFrom, filter.typeTo, rows);
 838                         BOOST_REQUIRE_MESSAGE(rows.size() > 0, "No rows found for " << i.alias);
 839
 840                         for (const auto &r : rows) {
 841                                 BOOST_REQUIRE_MESSAGE(
 842                                         (r.encryptionScheme >> ENC_SCHEME_OFFSET) == version,
 843                                         "Wrong encryption scheme for " << i.alias << ". Expected " << version <<
 844                                         " got: " << (r.encryptionScheme >> ENC_SCHEME_OFFSET));
 845                         }
 846                 }
 847         }
 848 }
 849
 850 void SchemeTest::EnableDirectDbAccess()
 851 {
 852         SwitchToRoot();
 853
 854         if (m_directAccessEnabled)
 855                 return;
 856
 857         // direct access to db
 858         FileSystem fs(UID);
 859         auto wrappedDKEK = fs.getDKEK();
 860         auto keyProvider = KeyProvider(wrappedDKEK, DBPASS);
 861         if (!keyProvider.isInitialized()) {
 862                 keyProvider.migrateDomainKEK(wrappedDKEK, DBPASS);
 863                 fs.saveDKEK(keyProvider.getWrappedDomainKEK(DBPASS));
 864                 LogInfo("DKEK migrated");
 865         }
 866
 867         auto wrappedDatabaseDEK = fs.getDBDEK();
 868         RawBuffer key = keyProvider.getPureDEK(wrappedDatabaseDEK);
 869
 870         m_db.reset(new DB::Crypto(fs.getLegacyDBPath(), fs.getDBPath(), key));
 871         m_directAccessEnabled = true;
 872
 873         // Legacy db files of the form db-$uid are incompatible with upstream sqlcipher.
 874         // DB::Crypto(...) converts them to db0-$uid upstream-compatible, then deletes them.
 875         // This function runs DB::Crypto(...) as root so db0-$uid are root-owned.
 876         // However, database files need to be accessible to USER_NAME/GROUP_NAME (ex. ReadAll()).
 877         // Thus the need to fix up ownership, much like restoreFile() does.
 878         BOOST_REQUIRE(!chown(RW_DATA_DIR "/db0-7654", getUid(USER_NAME), getGid(GROUP_NAME)));
 879 }
 880
 881 void SchemeTest::SignVerifyItem(const Item &itemPrv, const Item &itemPub)
 882 {
 883         int ret;
 884         KeyShPtr receivedKey;
 885         RawBuffer signature;
 886         // create/verify signature
 887         ret = m_mgr->createSignature(itemPrv.alias,
 888                                                                  itemPrv.policy.password,
 889                                                                  TEST_DATA,
 890                                                                  HashAlgorithm::SHA512,
 891                                                                  RSAPaddingAlgorithm::X931,
 892                                                                  signature);
 893         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 894                                                   "createSignature() failed with " << ret <<
 895                                                   " for " << itemPrv.alias);
 896         ret = m_mgr->verifySignature(itemPub.alias,
 897                                                                  itemPub.policy.password,
 898                                                                  TEST_DATA,
 899                                                                  signature,
 900                                                                  HashAlgorithm::SHA512,
 901                                                                  RSAPaddingAlgorithm::X931);
 902         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 903                                                   "verifySignature() failed with " << ret <<
 904                                                   " for " << itemPub.alias);
 905 }
 906
 907 void SchemeTest::EncryptDecryptItem(const Item &item)
 908 {
 909         CryptoAlgorithm algo;
 910         RawBuffer iv = createRandomBuffer(IV_LEN);
 911         RawBuffer encrypted, decrypted;
 912         int ret;
 913
 914         algo.setParam(ParamName::ALGO_TYPE, AlgoType::AES_GCM);
 915         algo.setParam(ParamName::ED_IV, iv);
 916
 917         ret = m_mgr->encrypt(algo, item.alias, item.policy.password, TEST_DATA,
 918                                                  encrypted);
 919         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 920                                                   "encrypt() failed iwth " << ret << " for " <<
 921                                                   item.alias);
 922
 923         ret = m_mgr->decrypt(algo, item.alias, item.policy.password, encrypted,
 924                                                  decrypted);
 925         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 926                                                   "decrypt() failed iwth " << ret << " for " <<
 927                                                   item.alias);
 928
 929         BOOST_REQUIRE_MESSAGE(decrypted == TEST_DATA,
 930                                                   "Decrypted data not equal to original");
 931 }
 932
 933 void SchemeTest::EncryptDecryptItem(const Item &itemPrv, const Item &itemPub)
 934 {
 935         CryptoAlgorithm algo;
 936         RawBuffer encrypted, decrypted;
 937         int ret;
 938
 939         algo.setParam(ParamName::ALGO_TYPE, AlgoType::RSA_OAEP);
 940
 941         ret = m_mgr->encrypt(algo, itemPub.alias, itemPub.policy.password, TEST_DATA,
 942                                                  encrypted);
 943         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 944                                                   "encrypt() failed iwth " << ret << " for " <<
 945                                                   itemPub.alias);
 946
 947         ret = m_mgr->decrypt(algo, itemPrv.alias, itemPrv.policy.password, encrypted,
 948                                                  decrypted);
 949         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 950                                                   "decrypt() failed iwth " << ret << " for " <<
 951                                                   itemPrv.alias);
 952
 953         BOOST_REQUIRE_MESSAGE(decrypted == TEST_DATA,
 954                                                   "Decrypted data not equal to original");
 955 }
 956
 957 void SchemeTest::CreateChainItem(const Item &leaf, const Items &certs)
 958 {
 959         CertificateShPtrVector chain;
 960         AliasVector trusted;
 961
 962         if (!leaf.policy.extractable || !leaf.policy.password.empty())
 963                 return;
 964
 965         for (const auto &i : certs) {
 966                 if (!i.policy.extractable || !i.policy.password.empty())
 967                         return;
 968
 969                 trusted.push_back(i.alias);
 970         }
 971
 972         CertificateShPtr leafCrt;
 973         int ret = m_mgr->getCertificate(leaf.alias, leaf.policy.password, leafCrt);
 974         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 975                                                   "getCertificate failed with " << ret << " for " <<
 976                                                   leaf.alias);
 977
 978         ret = m_mgr->getCertificateChain(leafCrt, AliasVector(), trusted, false, chain);
 979         BOOST_REQUIRE_MESSAGE(ret == CKM_API_SUCCESS,
 980                                                   "getCertificateChain() failed with " << ret);
 981         BOOST_REQUIRE_MESSAGE(chain.size() == CHAIN_LEN,
 982                                                   "Wrong chain length: " << chain.size());
 983 }