OSX/libsecurity_mds/lib/MDSModule.cpp

   1 /*
   2  * Copyright (c) 2000-2001,2011,2013-2014 Apple 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     { ~0U, 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                 mServerMode(false)
  90 {
  91         mDbPath[0] = '\0';
  92 }
  93
  94 /*
  95  * Called upon unload or process death by CleanModuleNexus.
  96  */
  97 MDSModule::~MDSModule ()
  98 {
  99         /* TBD - close all DBs */
 100 }
 101
 102 void MDSModule::lastScanIsNow()
 103 {
 104         mLastScanTime = Time::now();
 105 }
 106
 107 double MDSModule::timeSinceLastScan()
 108 {
 109         Time::Interval delta = Time::now() - mLastScanTime;
 110         return delta.seconds();
 111 }
 112
 113 void MDSModule::getDbPath(
 114         char *path)
 115 {
 116         StLock<Mutex> _(mDbPathLock);
 117         strcpy(path, mDbPath);
 118 }
 119
 120 void MDSModule::setDbPath(const char *path)
 121 {
 122         StLock<Mutex> _(mDbPathLock);
 123         /* caller assures this, and this is private to this module */
 124         assert(strlen(path) <= MAXPATHLEN);
 125         strcpy(mDbPath, path);
 126 }
 127
 128 void MDSModule::setServerMode()
 129 {
 130         secinfo("MDSModule", "setting global server mode");
 131         mServerMode = true;
 132 }
 133
 134 } // end namespace Security