cdsa/mds/MDSModule.cpp

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 #include "MDSModule.h"
  20 #include "MDSSession.h"
  21 #include <Security/mds_schema.h>
  22 #include <memory>
  23
  24 namespace Security
  25 {
  26
  27 ModuleNexus<MDSModule> MDSModule::mModuleNexus;
  28
  29 // Names and IDs of tables used in the MDS databases
  30
  31 #define TABLE(t) { t, #t }
  32
  33 /*
  34  * For now, to allow compatibility with AppleFileDL, we use the same record IDs
  35  * it uses when constructing an AppleDatabaseManager. See Radar 2817921 for details.
  36  * The fix requires that AppleDatabase be able to fetch its meta-table relationIDs
  37  * from an existing DB at DbOpen time; I'm not sure that's possible.
  38  */
  39 #define USE_FILE_DL_TABLES              1
  40
  41 static const AppleDatabaseTableName kTableNames[] = {
  42     // the meta-tables. the parsing module is not used by MDS, but is required
  43     // by the implementation of the database
  44         #if USE_FILE_DL_TABLES
  45     TABLE(CSSM_DL_DB_SCHEMA_INFO),
  46     TABLE(CSSM_DL_DB_SCHEMA_ATTRIBUTES),
  47     TABLE(CSSM_DL_DB_SCHEMA_INDEXES),
  48         #else
  49     TABLE(MDS_CDSADIR_MDS_SCHEMA_RELATIONS),
  50     TABLE(MDS_CDSADIR_MDS_SCHEMA_ATTRIBUTES),
  51     TABLE(MDS_CDSADIR_MDS_SCHEMA_INDEXES),
  52         #endif
  53     TABLE(CSSM_DL_DB_SCHEMA_PARSING_MODULE),
  54
  55     // the MDS-specific tables
  56     TABLE(MDS_OBJECT_RECORDTYPE),
  57     TABLE(MDS_CDSADIR_CSSM_RECORDTYPE),
  58     TABLE(MDS_CDSADIR_KRMM_RECORDTYPE),
  59     TABLE(MDS_CDSADIR_EMM_RECORDTYPE),
  60     TABLE(MDS_CDSADIR_COMMON_RECORDTYPE),
  61     TABLE(MDS_CDSADIR_CSP_PRIMARY_RECORDTYPE),
  62     TABLE(MDS_CDSADIR_CSP_CAPABILITY_RECORDTYPE),
  63     TABLE(MDS_CDSADIR_CSP_ENCAPSULATED_PRODUCT_RECORDTYPE),
  64     TABLE(MDS_CDSADIR_CSP_SC_INFO_RECORDTYPE),
  65     TABLE(MDS_CDSADIR_DL_PRIMARY_RECORDTYPE),
  66     TABLE(MDS_CDSADIR_DL_ENCAPSULATED_PRODUCT_RECORDTYPE),
  67     TABLE(MDS_CDSADIR_CL_PRIMARY_RECORDTYPE),
  68     TABLE(MDS_CDSADIR_CL_ENCAPSULATED_PRODUCT_RECORDTYPE),
  69     TABLE(MDS_CDSADIR_TP_PRIMARY_RECORDTYPE),
  70     TABLE(MDS_CDSADIR_TP_OIDS_RECORDTYPE),
  71     TABLE(MDS_CDSADIR_TP_ENCAPSULATED_PRODUCT_RECORDTYPE),
  72     TABLE(MDS_CDSADIR_EMM_PRIMARY_RECORDTYPE),
  73     TABLE(MDS_CDSADIR_AC_PRIMARY_RECORDTYPE),
  74     TABLE(MDS_CDSADIR_KR_PRIMARY_RECORDTYPE),
  75
  76     // marker for the end of the list
  77     { ~0UL, NULL }
  78 };
  79
  80 MDSModule &
  81 MDSModule::get ()
  82 {
  83     return mModuleNexus ();
  84 }
  85
  86 MDSModule::MDSModule ()
  87     :   mDatabaseManager(kTableNames),
  88             mLastScanTime((time_t)0)
  89 {
  90         mDbPath[0] = '\0';
  91 }
  92
  93 /*
  94  * Called upon unload or process death by CleanModuleNexus.
  95  */
  96 MDSModule::~MDSModule ()
  97 {
  98         /* TBD - close all DBs */
  99 }
 100
 101 void MDSModule::lastScanIsNow()
 102 {
 103         mLastScanTime = Time::now();
 104 }
 105
 106 double MDSModule::timeSinceLastScan()
 107 {
 108         Time::Interval delta = Time::now() - mLastScanTime;
 109         return delta.seconds();
 110 }
 111
 112 void MDSModule::getDbPath(
 113         char *path)
 114 {
 115         StLock<Mutex> _(mDbPathLock);
 116         strcpy(path, mDbPath);
 117 }
 118
 119 void MDSModule::setDbPath(const char *path)
 120 {
 121         StLock<Mutex> _(mDbPathLock);
 122         assert(strlen(path) <= MAXPATHLEN);
 123         strcpy(mDbPath, path);
 124 }
 125
 126 } // end namespace Security