src/manager/service/ckm-service.cpp

   1 /*
   2  *  Copyright (c) 2000 - 2014 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        ckm-service.cpp
  18  * @author      Bartlomiej Grzelewski (b.grzelewski@samsung.com)
  19  * @version     1.0
  20  * @brief       CKM service implementation.
  21  */
  22
  23 #include <protocols.h>
  24
  25 #include <dpl/serialization.h>
  26 #include <dpl/log/log.h>
  27
  28 #include <ckm-service.h>
  29 #include <ckm-logic.h>
  30
  31 namespace {
  32 const CKM::InterfaceID SOCKET_ID_CONTROL = 0;
  33 const CKM::InterfaceID SOCKET_ID_STORAGE = 1;
  34 } // namespace anonymous
  35
  36 namespace CKM {
  37
  38 CKMService::CKMService()
  39   : m_logic(new CKMLogic)
  40 {}
  41
  42 CKMService::~CKMService() {
  43     delete m_logic;
  44 }
  45
  46 void CKMService::Start() {
  47     Create();
  48 }
  49
  50 void CKMService::Stop() {
  51     Join();
  52 }
  53
  54 GenericSocketService::ServiceDescriptionVector CKMService::GetServiceDescription()
  55 {
  56     return ServiceDescriptionVector {
  57         {SERVICE_SOCKET_CKM_CONTROL, "key-manager::api-control", SOCKET_ID_CONTROL},
  58         {SERVICE_SOCKET_CKM_STORAGE, "key-manager::api-storage", SOCKET_ID_STORAGE}
  59     };
  60 }
  61
  62 void CKMService::SetCommManager(CommMgr *manager)
  63 {
  64     ThreadService::SetCommManager(manager);
  65     Register(*manager);
  66 }
  67
  68 bool CKMService::ProcessOne(
  69     const ConnectionID &conn,
  70     ConnectionInfo &info)
  71 {
  72     LogDebug ("process One");
  73     RawBuffer response;
  74
  75     Try {
  76         if (!info.buffer.Ready())
  77             return false;
  78
  79         if (info.interfaceID == SOCKET_ID_CONTROL)
  80             response = ProcessControl(info.buffer);
  81         else
  82             response = ProcessStorage(info.credentials, info.buffer);
  83
  84         m_serviceManager->Write(conn, response);
  85
  86         return true;
  87     } Catch (MessageBuffer::Exception::Base) {
  88         LogError("Broken protocol. Closing socket.");
  89     } Catch (Exception::BrokenProtocol) {
  90         LogError("Broken protocol. Closing socket.");
  91     } catch (const DataType::Exception::Base &e) {
  92         LogError("Closing socket. DBDataType::Exception: " << e.DumpToString());
  93     } catch (const std::string &e) {
  94         LogError("String exception(" << e << "). Closing socket");
  95     } catch (const std::exception &e) {
  96         LogError("Std exception:: " << e.what());
  97     } catch (...) {
  98         LogError("Unknown exception. Closing socket.");
  99     }
 100
 101     m_serviceManager->Close(conn);
 102     return false;
 103 }
 104
 105 RawBuffer CKMService::ProcessControl(MessageBuffer &buffer) {
 106     int command = 0;
 107     uid_t user = 0;
 108     ControlCommand cc;
 109     Password newPass, oldPass;
 110     Label smackLabel;
 111
 112     buffer.Deserialize(command);
 113
 114     LogDebug("Process control. Command: " << command);
 115
 116     cc = static_cast<ControlCommand>(command);
 117
 118     switch(cc) {
 119     case ControlCommand::UNLOCK_USER_KEY:
 120         buffer.Deserialize(user, newPass);
 121         return m_logic->unlockUserKey(user, newPass);
 122     case ControlCommand::LOCK_USER_KEY:
 123         buffer.Deserialize(user);
 124         return m_logic->lockUserKey(user);
 125     case ControlCommand::REMOVE_USER_DATA:
 126         buffer.Deserialize(user);
 127         return m_logic->removeUserData(user);
 128     case ControlCommand::CHANGE_USER_PASSWORD:
 129         buffer.Deserialize(user, oldPass, newPass);
 130         return m_logic->changeUserPassword(user, oldPass, newPass);
 131     case ControlCommand::RESET_USER_PASSWORD:
 132         buffer.Deserialize(user, newPass);
 133         return m_logic->resetUserPassword(user, newPass);
 134     case ControlCommand::REMOVE_APP_DATA:
 135         buffer.Deserialize(smackLabel);
 136         return m_logic->removeApplicationData(smackLabel);
 137     case ControlCommand::UPDATE_CC_MODE:
 138         return m_logic->updateCCMode();
 139     case ControlCommand::SET_PERMISSION:
 140     {
 141         Name name;
 142         Label label;
 143         Label accessorLabel;
 144         PermissionMask permissionMask = 0;
 145
 146         buffer.Deserialize(user, name, label, accessorLabel, permissionMask);
 147
 148         Credentials cred(user, label);
 149         return m_logic->setPermission(
 150             cred,
 151             command,
 152             0, // dummy
 153             name,
 154             label,
 155             accessorLabel,
 156             permissionMask);
 157     }
 158     default:
 159         Throw(Exception::BrokenProtocol);
 160     }
 161 }
 162
 163 RawBuffer CKMService::ProcessStorage(Credentials &cred, MessageBuffer &buffer)
 164 {
 165     int command = 0;
 166     int msgID = 0;
 167     int tmpDataType = 0;
 168     Name name;
 169     Label label, accessorLabel;
 170     std::string user;
 171
 172     buffer.Deserialize(command);
 173     buffer.Deserialize(msgID);
 174
 175     LogDebug("Process storage. Command: " << command);
 176
 177     switch(static_cast<LogicCommand>(command)) {
 178         case LogicCommand::SAVE:
 179         {
 180             RawBuffer rawData;
 181             PolicySerializable policy;
 182             buffer.Deserialize(tmpDataType, name, label, rawData, policy);
 183             return m_logic->saveData(
 184                 cred,
 185                 msgID,
 186                 name,
 187                 label,
 188                 rawData,
 189                 DataType(tmpDataType),
 190                 policy);
 191         }
 192         case LogicCommand::SAVE_PKCS12:
 193         {
 194             RawBuffer rawData;
 195             PKCS12Serializable pkcs;
 196             PolicySerializable keyPolicy, certPolicy;
 197             buffer.Deserialize(name, label, pkcs, keyPolicy, certPolicy);
 198             return m_logic->savePKCS12(
 199                 cred,
 200                 msgID,
 201                 name,
 202                 label,
 203                 pkcs,
 204                 keyPolicy,
 205                 certPolicy);
 206         }
 207         case LogicCommand::REMOVE:
 208         {
 209             buffer.Deserialize(name, label);
 210             return m_logic->removeData(
 211                 cred,
 212                 msgID,
 213                 name,
 214                 label);
 215         }
 216         case LogicCommand::GET:
 217         {
 218             Password password;
 219             buffer.Deserialize(tmpDataType, name, label, password);
 220             return m_logic->getData(
 221                 cred,
 222                 msgID,
 223                 DataType(tmpDataType),
 224                 name,
 225                 label,
 226                 password);
 227         }
 228         case LogicCommand::GET_PKCS12:
 229         {
 230             Password passKey;
 231             Password passCert;
 232             buffer.Deserialize(name,
 233                                label,
 234                                passKey,
 235                                passCert);
 236             return m_logic->getPKCS12(
 237                 cred,
 238                 msgID,
 239                 name,
 240                 label,
 241                 passKey,
 242                 passCert);
 243         }
 244         case LogicCommand::GET_LIST:
 245         {
 246             buffer.Deserialize(tmpDataType);
 247             return m_logic->getDataList(
 248                 cred,
 249                 msgID,
 250                 DataType(tmpDataType));
 251         }
 252         case LogicCommand::CREATE_KEY_AES:
 253         {
 254             int size = 0;
 255             Name keyName;
 256             Label keyLabel;
 257             PolicySerializable policyKey;
 258             buffer.Deserialize(size,
 259                                policyKey,
 260                                keyName,
 261                                keyLabel);
 262             return m_logic->createKeyAES(
 263                 cred,
 264                 msgID,
 265                 size,
 266                 keyName,
 267                 keyLabel,
 268                 policyKey);
 269         }
 270         case LogicCommand::CREATE_KEY_PAIR:
 271         {
 272             CryptoAlgorithmSerializable keyGenAlgorithm;
 273             Name privateKeyName;
 274             Label privateKeyLabel;
 275             Name publicKeyName;
 276             Label publicKeyLabel;
 277             PolicySerializable policyPrivateKey;
 278             PolicySerializable policyPublicKey;
 279             buffer.Deserialize(keyGenAlgorithm,
 280                                policyPrivateKey,
 281                                policyPublicKey,
 282                                privateKeyName,
 283                                privateKeyLabel,
 284                                publicKeyName,
 285                                publicKeyLabel);
 286             return m_logic->createKeyPair(
 287                 cred,
 288                 msgID,
 289                 keyGenAlgorithm,
 290                 privateKeyName,
 291                 privateKeyLabel,
 292                 publicKeyName,
 293                 publicKeyLabel,
 294                 policyPrivateKey,
 295                 policyPublicKey);
 296         }
 297         case LogicCommand::GET_CHAIN_CERT:
 298         {
 299             RawBuffer certificate;
 300             RawBufferVector untrustedVector;
 301             RawBufferVector trustedVector;
 302             bool systemCerts;
 303             buffer.Deserialize(certificate, untrustedVector, trustedVector, systemCerts);
 304             return m_logic->getCertificateChain(
 305                 cred,
 306                 msgID,
 307                 certificate,
 308                 untrustedVector,
 309                 trustedVector,
 310                 systemCerts);
 311         }
 312         case LogicCommand::GET_CHAIN_ALIAS:
 313         {
 314             RawBuffer certificate;
 315             LabelNameVector untrustedVector;
 316             LabelNameVector trustedVector;
 317             bool systemCerts;
 318             buffer.Deserialize(certificate, untrustedVector, trustedVector, systemCerts);
 319             return m_logic->getCertificateChain(
 320                 cred,
 321                 msgID,
 322                 certificate,
 323                 untrustedVector,
 324                 trustedVector,
 325                 systemCerts);
 326         }
 327         case LogicCommand::CREATE_SIGNATURE:
 328         {
 329             Password password;        // password for private_key
 330             RawBuffer message;
 331             int padding = 0, hash = 0;
 332             buffer.Deserialize(name, label, password, message, hash, padding);
 333             return m_logic->createSignature(
 334                   cred,
 335                   msgID,
 336                   name,
 337                   label,
 338                   password,           // password for private_key
 339                   message,
 340                   static_cast<HashAlgorithm>(hash),
 341                   static_cast<RSAPaddingAlgorithm>(padding));
 342         }
 343         case LogicCommand::VERIFY_SIGNATURE:
 344         {
 345             Password password;           // password for public_key (optional)
 346             RawBuffer message;
 347             RawBuffer signature;
 348             //HashAlgorithm hash;
 349             //RSAPaddingAlgorithm padding;
 350             int padding = 0, hash = 0;
 351             buffer.Deserialize(name,
 352                                label,
 353                                password,
 354                                message,
 355                                signature,
 356                                hash,
 357                                padding);
 358             return m_logic->verifySignature(
 359                 cred,
 360                 msgID,
 361                 name,
 362                 label,
 363                 password,           // password for public_key (optional)
 364                 message,
 365                 signature,
 366                 static_cast<const HashAlgorithm>(hash),
 367                 static_cast<const RSAPaddingAlgorithm>(padding));
 368         }
 369         case LogicCommand::SET_PERMISSION:
 370         {
 371             PermissionMask permissionMask = 0;
 372             buffer.Deserialize(name, label, accessorLabel, permissionMask);
 373             return m_logic->setPermission(
 374                 cred,
 375                 command,
 376                 msgID,
 377                 name,
 378                 label,
 379                 accessorLabel,
 380                 permissionMask);
 381         }
 382         default:
 383             Throw(Exception::BrokenProtocol);
 384     }
 385 }
 386
 387 void CKMService::ProcessMessage(MsgKeyRequest msg)
 388 {
 389     Crypto::GKeyShPtr key;
 390     int ret = m_logic->getKeyForService(msg.cred,
 391                                         msg.name,
 392                                         msg.label,
 393                                         msg.password,
 394                                         key);
 395     MsgKeyResponse kResp(msg.id, key, ret);
 396     try {
 397         if (!m_commMgr->SendMessage(kResp))
 398             LogError("No listener found"); // can't do much more
 399     } catch (...) {
 400         LogError("Uncaught exception in SendMessage. Check listeners.");
 401     }
 402 }
 403
 404 } // namespace CKM
 405