OSX/libsecurity_sd_cspdl/lib/SDCSPDLPlugin.cpp

   1 /*
   2  * Copyright (c) 2004,2011-2012,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 //
  26 // SDCSPDLPlugin.cpp - Securityd-based CSP/DL plug-in module.
  27 //
  28 #include "SDCSPDLPlugin.h"
  29
  30 #include "SDCSPSession.h"
  31 #include "SDDLSession.h"
  32 #include <securityd_client/dictionary.h>
  33
  34 using namespace SecurityServer;
  35
  36
  37 //
  38 // Make and break the plugin object
  39 //
  40 SDCSPDLPlugin::SDCSPDLPlugin()
  41         : EventListener(kNotificationDomainCDSA, kNotificationAllEvents),
  42           mRawCsp(gGuidAppleCSP)
  43 {
  44     EventListener::FinishedInitialization(this);
  45 }
  46
  47 SDCSPDLPlugin::~SDCSPDLPlugin()
  48 {
  49 }
  50
  51
  52 //
  53 // Create a new plugin session, our way
  54 //
  55 PluginSession *
  56 SDCSPDLPlugin::makeSession(CSSM_MODULE_HANDLE handle,
  57                                                  const CSSM_VERSION &version,
  58                                                  uint32 subserviceId,
  59                                                  CSSM_SERVICE_TYPE subserviceType,
  60                                                  CSSM_ATTACH_FLAGS attachFlags,
  61                                                  const CSSM_UPCALLS &upcalls)
  62 {
  63     switch (subserviceType)
  64         {
  65         case CSSM_SERVICE_CSP:
  66             return new SDCSPSession(handle,
  67                                                                         *this,
  68                                                                         version,
  69                                                                         subserviceId,
  70                                                                         subserviceType,
  71                                                                         attachFlags,
  72                                                                         upcalls,
  73                                                                         mSDCSPDLSession,
  74                                                                         mRawCsp);
  75         case CSSM_SERVICE_DL:
  76             return new SDDLSession(handle,
  77                                                                    *this,
  78                                                                    version,
  79                                                                    subserviceId,
  80                                                                    subserviceType,
  81                                                                    attachFlags,
  82                                                                    upcalls,
  83                                                                    mDatabaseManager,
  84                                                                    mSDCSPDLSession);
  85         default:
  86             CssmError::throwMe(CSSMERR_CSSM_INVALID_SERVICE_MASK);
  87 //            return 0; // placebo
  88     }
  89 }
  90
  91
  92 //
  93 // Accept callback notifications from securityd and dispatch them
  94 // upstream through CSSM.
  95 //
  96 void SDCSPDLPlugin::consume(NotificationDomain domain, NotificationEvent event,
  97         const CssmData &data)
  98 {
  99         NameValueDictionary nvd(data);
 100         assert(domain == kNotificationDomainCDSA);
 101         if (const NameValuePair *uidp = nvd.FindByName(SSUID_KEY)) {
 102                 CssmSubserviceUid *uid = (CssmSubserviceUid *)uidp->Value().data();
 103                 assert(uid);
 104                 secinfo("sdcspdl", "sending callback %d upstream", event);
 105                 sendCallback(event, n2h (uid->subserviceId()), CSSM_SERVICE_DL | CSSM_SERVICE_CSP);
 106         } else
 107                 secinfo("sdcspdl", "callback event %d has no SSUID data", event);
 108 }