tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

pkix_lifecycle.c (6695B)


      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 /*
      5 * pkix_lifecycle.c
      6 *
      7 * Top level initialize and shutdown functions
      8 *
      9 */
     10 
     11 #include "pkix_lifecycle.h"
     12 
     13 static PKIX_Boolean pkixIsInitialized;
     14 
     15 /* Lock used by Logger - is reentrant by the same thread */
     16 extern PKIX_PL_MonitorLock *pkixLoggerLock;
     17 
     18 /* 
     19 * Following pkix_* variables are for debugging purpose. They should be taken
     20 * out eventually. The purpose is to verify cache tables usage (via debugger).
     21 */
     22 int pkix_ccAddCount = 0;
     23 int pkix_ccLookupCount = 0;
     24 int pkix_ccRemoveCount = 0;
     25 int pkix_cAddCount = 0;
     26 int pkix_cLookupCount = 0;
     27 int pkix_cRemoveCount = 0;
     28 int pkix_ceAddCount = 0;
     29 int pkix_ceLookupCount = 0;
     30 
     31 PKIX_PL_HashTable *cachedCrlSigTable = NULL;
     32 PKIX_PL_HashTable *cachedCertSigTable = NULL;
     33 PKIX_PL_HashTable *cachedCertChainTable = NULL;
     34 PKIX_PL_HashTable *cachedCertTable = NULL;
     35 PKIX_PL_HashTable *cachedCrlEntryTable = NULL;
     36 PKIX_PL_HashTable *aiaConnectionCache = NULL;
     37 PKIX_PL_HashTable *httpSocketCache = NULL;
     38 
     39 extern PKIX_List *pkixLoggers;
     40 extern PKIX_List *pkixLoggersErrors;
     41 extern PKIX_List *pkixLoggersDebugTrace;
     42 
     43 /* --Public-Functions--------------------------------------------- */
     44 
     45 /*
     46 * FUNCTION: PKIX_Initialize (see comments in pkix.h)
     47 */
     48 PKIX_Error *
     49 PKIX_Initialize(
     50        PKIX_Boolean platformInitNeeded,
     51        PKIX_UInt32 desiredMajorVersion,
     52        PKIX_UInt32 minDesiredMinorVersion,
     53        PKIX_UInt32 maxDesiredMinorVersion,
     54        PKIX_UInt32 *pActualMinorVersion,
     55        void **pPlContext)
     56 {
     57        void *plContext = NULL;
     58 
     59        PKIX_ENTER(LIFECYCLE, "PKIX_Initialize");
     60        PKIX_NULLCHECK_ONE(pPlContext);
     61 
     62        /*
     63         * If we are called a second time other than in the situation handled
     64         * above, we return a positive status.
     65         */
     66        if (pkixIsInitialized){
     67                /* Already initialized */
     68                PKIX_RETURN(LIFECYCLE);
     69        }
     70 
     71        PKIX_CHECK(PKIX_PL_Initialize
     72                (platformInitNeeded, PKIX_FALSE, &plContext),
     73                PKIX_INITIALIZEFAILED);
     74 
     75        *pPlContext = plContext;
     76 
     77        if (desiredMajorVersion != PKIX_MAJOR_VERSION){
     78                PKIX_ERROR(PKIX_MAJORVERSIONSDONTMATCH);
     79        }
     80 
     81        if ((minDesiredMinorVersion > PKIX_MINOR_VERSION) ||
     82            (maxDesiredMinorVersion < PKIX_MINOR_VERSION)){
     83                PKIX_ERROR(PKIX_MINORVERSIONNOTBETWEENDESIREDMINANDMAX);
     84        }
     85 
     86        *pActualMinorVersion = PKIX_MINOR_VERSION;
     87 
     88        /* Create Cache Tables
     89         * Do not initialize hash tables for object leak test */
     90 #if !defined(PKIX_OBJECT_LEAK_TEST)
     91        PKIX_CHECK(PKIX_PL_HashTable_Create
     92                   (32, 0, &cachedCertSigTable, plContext),
     93                   PKIX_HASHTABLECREATEFAILED);
     94        
     95        PKIX_CHECK(PKIX_PL_HashTable_Create
     96                   (32, 0, &cachedCrlSigTable, plContext),
     97                   PKIX_HASHTABLECREATEFAILED);
     98        
     99        PKIX_CHECK(PKIX_PL_HashTable_Create
    100                       (32, 10, &cachedCertChainTable, plContext),
    101                   PKIX_HASHTABLECREATEFAILED);
    102        
    103        PKIX_CHECK(PKIX_PL_HashTable_Create
    104                       (32, 10, &cachedCertTable, plContext),
    105                   PKIX_HASHTABLECREATEFAILED);
    106        
    107        PKIX_CHECK(PKIX_PL_HashTable_Create
    108                   (32, 10, &cachedCrlEntryTable, plContext),
    109                   PKIX_HASHTABLECREATEFAILED);
    110        
    111        PKIX_CHECK(PKIX_PL_HashTable_Create
    112                   (5, 5, &aiaConnectionCache, plContext),
    113                   PKIX_HASHTABLECREATEFAILED);
    114        
    115 #ifdef PKIX_SOCKETCACHE
    116        PKIX_CHECK(PKIX_PL_HashTable_Create
    117                   (5, 5, &httpSocketCache, plContext),
    118                   PKIX_HASHTABLECREATEFAILED);
    119 #endif
    120        if (pkixLoggerLock == NULL) {
    121            PKIX_CHECK(PKIX_PL_MonitorLock_Create
    122                       (&pkixLoggerLock, plContext),
    123                       PKIX_MONITORLOCKCREATEFAILED);
    124        }
    125 #else
    126        fnInvTable = PL_NewHashTable(0, pkix_ErrorGen_Hash,
    127                                     PL_CompareValues,
    128                                     PL_CompareValues, NULL, NULL);
    129        if (!fnInvTable) {
    130            PKIX_ERROR(PKIX_HASHTABLECREATEFAILED);
    131        }
    132        
    133        fnStackNameArr = PORT_ZNewArray(char*, MAX_STACK_DEPTH);
    134        if (!fnStackNameArr) {
    135            PKIX_ERROR(PKIX_HASHTABLECREATEFAILED);
    136        }
    137 
    138        fnStackInvCountArr = PORT_ZNewArray(PKIX_UInt32, MAX_STACK_DEPTH);
    139        if (!fnStackInvCountArr) {
    140            PKIX_ERROR(PKIX_HASHTABLECREATEFAILED);
    141        }
    142 #endif /* PKIX_OBJECT_LEAK_TEST */
    143 
    144        pkixIsInitialized = PKIX_TRUE;
    145 
    146 cleanup:
    147 
    148        PKIX_RETURN(LIFECYCLE);
    149 }
    150 
    151 /*
    152 * FUNCTION: PKIX_Shutdown (see comments in pkix.h)
    153 */
    154 PKIX_Error *
    155 PKIX_Shutdown(void *plContext)
    156 {
    157        PKIX_List *savedPkixLoggers = NULL;
    158        PKIX_List *savedPkixLoggersErrors = NULL;
    159        PKIX_List *savedPkixLoggersDebugTrace = NULL;
    160 
    161        PKIX_ENTER(LIFECYCLE, "PKIX_Shutdown");
    162 
    163        if (!pkixIsInitialized){
    164                /* The library was not initialized */
    165                PKIX_RETURN(LIFECYCLE);
    166        }
    167 
    168        pkixIsInitialized = PKIX_FALSE;
    169 
    170        if (pkixLoggers) {
    171                savedPkixLoggers = pkixLoggers;
    172                savedPkixLoggersErrors = pkixLoggersErrors;
    173                savedPkixLoggersDebugTrace = pkixLoggersDebugTrace;
    174                pkixLoggers = NULL;
    175                pkixLoggersErrors = NULL;
    176                pkixLoggersDebugTrace = NULL;
    177                PKIX_DECREF(savedPkixLoggers);
    178                PKIX_DECREF(savedPkixLoggersErrors);
    179                PKIX_DECREF(savedPkixLoggersDebugTrace);
    180        }
    181        PKIX_DECREF(pkixLoggerLock);
    182 
    183        /* Destroy Cache Tables */
    184        PKIX_DECREF(cachedCertSigTable);
    185        PKIX_DECREF(cachedCrlSigTable);
    186        PKIX_DECREF(cachedCertChainTable);
    187        PKIX_DECREF(cachedCertTable);
    188        PKIX_DECREF(cachedCrlEntryTable);
    189        PKIX_DECREF(aiaConnectionCache);
    190        PKIX_DECREF(httpSocketCache);
    191 
    192        /* Clean up any temporary errors that happened during shutdown */
    193        if (pkixErrorList) {
    194            PKIX_PL_Object_DecRef((PKIX_PL_Object*)pkixErrorList, plContext);
    195            pkixErrorList = NULL;
    196        }
    197 
    198        PKIX_CHECK(PKIX_PL_Shutdown(plContext),
    199                PKIX_SHUTDOWNFAILED);
    200 
    201 #ifdef PKIX_OBJECT_LEAK_TEST
    202        PORT_Free(fnStackInvCountArr);
    203        PORT_Free(fnStackNameArr);
    204        PL_HashTableDestroy(fnInvTable);
    205 #endif
    206 
    207 cleanup:
    208 
    209        PKIX_RETURN(LIFECYCLE);
    210 }