git.sur5r.net Git - openldap/blob - servers/slapd/init.c

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/string.h>
  14 #include <ac/time.h>
  15
  16 #include "slap.h"
  17 #include "lber_pvt.h"
  18
  19 /*
  20  * read-only global variables or variables only written by the listener
  21  * thread (after they are initialized) - no need to protect them with a mutex.
  22  */
  23 int             slap_debug = 0;
  24
  25 #ifdef LDAP_DEBUG
  26 int             ldap_syslog = LDAP_DEBUG_STATS;
  27 #else
  28 int             ldap_syslog;
  29 #endif
  30
  31 #ifdef LOG_DEBUG
  32 int             ldap_syslog_level = LOG_DEBUG;
  33 #endif
  34
  35 BerVarray default_referral = NULL;
  36
  37 struct berval AllUser = BER_BVC( LDAP_ALL_USER_ATTRIBUTES );
  38 struct berval AllOper = BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES );
  39 struct berval NoAttrs = BER_BVC( LDAP_NO_ATTRS );
  40
  41 /*
  42  * global variables that need mutex protection
  43  */
  44 ldap_pvt_thread_pool_t  connection_pool;
  45 int                     connection_pool_max = SLAP_MAX_WORKER_THREADS;
  46 ldap_pvt_thread_mutex_t gmtime_mutex;
  47 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  48 ldap_pvt_thread_mutex_t passwd_mutex;
  49 #endif
  50
  51 unsigned long                   num_ops_initiated = 0;
  52 unsigned long                   num_ops_completed = 0;
  53 #ifdef SLAPD_MONITOR
  54 unsigned long                   num_ops_initiated_[SLAP_OP_LAST];
  55 unsigned long                   num_ops_completed_[SLAP_OP_LAST];
  56 #endif /* SLAPD_MONITOR */
  57 ldap_pvt_thread_mutex_t num_ops_mutex;
  58
  59 unsigned long                   num_entries_sent;
  60 unsigned long                   num_refs_sent;
  61 unsigned long                   num_bytes_sent;
  62 unsigned long                   num_pdu_sent;
  63 ldap_pvt_thread_mutex_t num_sent_mutex;
  64 /*
  65  * these mutexes must be used when calling the entry2str()
  66  * routine since it returns a pointer to static data.
  67  */
  68 ldap_pvt_thread_mutex_t entry2str_mutex;
  69 ldap_pvt_thread_mutex_t replog_mutex;
  70
  71 static const char* slap_name = NULL;
  72 int slapMode = SLAP_UNDEFINED_MODE;
  73
  74 /*
  75  * all known control OIDs should be added to this list
  76  */
  77 char *slap_known_controls[] = {
  78 #ifdef LDAP_CONTROL_REFERRALS
  79         LDAP_CONTROL_REFERRALS,
  80 #endif /* LDAP_CONTROL_REFERRALS */
  81
  82         LDAP_CONTROL_MANAGEDSAIT,
  83
  84 #ifdef LDAP_CONTROL_SUBENTRIES
  85         LDAP_CONTROL_SUBENTRIES,
  86 #endif /* LDAP_CONTROL_SUBENTRIES */
  87
  88         LDAP_CONTROL_NOOP,
  89
  90 #ifdef LDAP_CONTROL_DUPENT_REQUEST
  91         LDAP_CONTROL_DUPENT_REQUEST,
  92 #endif /* LDAP_CONTROL_DUPENT_REQUEST */
  93
  94 #ifdef LDAP_CONTROL_DUPENT_RESPONSE
  95         LDAP_CONTROL_DUPENT_RESPONSE,
  96 #endif /* LDAP_CONTROL_DUPENT_RESPONSE */
  97
  98 #ifdef LDAP_CONTROL_DUPENT_ENTRY
  99         LDAP_CONTROL_DUPENT_ENTRY,
 100 #endif /* LDAP_CONTROL_DUPENT_ENTRY */
 101
 102         LDAP_CONTROL_PAGEDRESULTS,
 103
 104 #ifdef LDAP_CONTROL_SORTREQUEST
 105         LDAP_CONTROL_SORTREQUEST,
 106 #endif /* LDAP_CONTROL_SORTREQUEST */
 107
 108 #ifdef LDAP_CONTROL_SORTRESPONSE
 109         LDAP_CONTROL_SORTRESPONSE,
 110 #endif /* LDAP_CONTROL_SORTRESPONSE */
 111
 112 #ifdef LDAP_CONTROL_VLVREQUEST
 113         LDAP_CONTROL_VLVREQUEST,
 114 #endif /* LDAP_CONTROL_VLVREQUEST */
 115
 116 #ifdef LDAP_CONTROL_VLVRESPONSE
 117         LDAP_CONTROL_VLVRESPONSE,
 118 #endif /* LDAP_CONTROL_VLVRESPONSE */
 119
 120         LDAP_CONTROL_VALUESRETURNFILTER,
 121         NULL
 122 };
 123
 124 int
 125 slap_init( int mode, const char *name )
 126 {
 127         int rc;
 128
 129         assert( mode );
 130
 131         if( slapMode != SLAP_UNDEFINED_MODE ) {
 132 #ifdef NEW_LOGGING
 133                 LDAP_LOG( OPERATION, CRIT,
 134                         "init: %s init called twice (old=%d, new=%d)\n",
 135                         name, slapMode, mode );
 136 #else
 137                 Debug( LDAP_DEBUG_ANY,
 138                  "%s init: init called twice (old=%d, new=%d)\n",
 139                  name, slapMode, mode );
 140 #endif
 141
 142                 return 1;
 143         }
 144
 145         slapMode = mode;
 146
 147         switch ( slapMode & SLAP_MODE ) {
 148                 case SLAP_SERVER_MODE:
 149                 case SLAP_TOOL_MODE:
 150 #ifdef NEW_LOGGING
 151                         LDAP_LOG( OPERATION, DETAIL1,
 152                                 "init: %s initiation, initiated %s.\n",
 153                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 154                                   "tool" : "server", 0 );
 155 #else
 156                         Debug( LDAP_DEBUG_TRACE,
 157                                 "%s init: initiated %s.\n",     name,
 158                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 159                                 0 );
 160 #endif
 161
 162
 163                         slap_name = name;
 164
 165                         (void) ldap_pvt_thread_initialize();
 166
 167                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 168
 169                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 170                         ldap_pvt_thread_mutex_init( &replog_mutex );
 171                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 172                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 173
 174 #ifdef SLAPD_MONITOR
 175                         {
 176                                 int i;
 177                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 178                                         num_ops_initiated_[ i ] = 0;
 179                                         num_ops_completed_[ i ] = 0;
 180                                 }
 181                         }
 182 #endif
 183
 184                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 185 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 186                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 187 #endif
 188
 189                         rc = slap_sasl_init();
 190
 191                         if( rc == 0 ) {
 192                                 rc = backend_init( );
 193                         }
 194                         break;
 195
 196                 default:
 197 #ifdef NEW_LOGGING
 198                         LDAP_LOG( OPERATION, ERR,
 199                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 200 #else
 201                         Debug( LDAP_DEBUG_ANY,
 202                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 203 #endif
 204
 205                         rc = 1;
 206                         break;
 207         }
 208
 209         return rc;
 210 }
 211
 212 int slap_startup( Backend *be )
 213 {
 214         int rc;
 215
 216 #ifdef NEW_LOGGING
 217         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 218 #else
 219         Debug( LDAP_DEBUG_TRACE,
 220                 "%s startup: initiated.\n",
 221                 slap_name, 0, 0 );
 222 #endif
 223
 224
 225         rc = backend_startup( be );
 226
 227         return rc;
 228 }
 229
 230 int slap_shutdown( Backend *be )
 231 {
 232         int rc;
 233
 234 #ifdef NEW_LOGGING
 235         LDAP_LOG( OPERATION, CRIT,
 236                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 237 #else
 238         Debug( LDAP_DEBUG_TRACE,
 239                 "%s shutdown: initiated\n",
 240                 slap_name, 0, 0 );
 241 #endif
 242
 243
 244         slap_sasl_destroy();
 245
 246         /* let backends do whatever cleanup they need to do */
 247         rc = backend_shutdown( be );
 248
 249         return rc;
 250 }
 251
 252 int slap_destroy(void)
 253 {
 254         int rc;
 255
 256 #ifdef NEW_LOGGING
 257         LDAP_LOG( OPERATION, INFO,
 258                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 259 #else
 260         Debug( LDAP_DEBUG_TRACE,
 261                 "%s shutdown: freeing system resources.\n",
 262                 slap_name, 0, 0 );
 263 #endif
 264
 265
 266         rc = backend_destroy();
 267
 268         entry_destroy();
 269
 270         ldap_pvt_thread_destroy();
 271
 272         /* should destory the above mutex */
 273         return rc;
 274 }