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