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

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 2002-2005 The OpenLDAP Foundation.
   5  * Portions Copyright 1997,2002-2003 IBM Corporation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by IBM Corporation for use in
  18  * IBM products and subsequently ported to OpenLDAP Software by
  19  * Steve Omrani.  Additional significant contributors include:
  20  *    Luke Howard
  21  */
  22
  23 #include "portable.h"
  24 #include <ldap_pvt_thread.h>
  25 #include <slap.h>
  26 #include <slapi.h>
  27 #include <lutil.h>
  28
  29 /*
  30  * Note: if ltdl.h is not available, slapi should not be compiled
  31  */
  32 #include <ltdl.h>
  33
  34 static int slapi_int_load_plugin( Slapi_PBlock *, const char *, const char *, int,
  35         SLAPI_FUNC *, lt_dlhandle * );
  36
  37 /* pointer to link list of extended objects */
  38 static ExtendedOp *pGExtendedOps = NULL;
  39
  40 /*********************************************************************
  41  * Function Name:      plugin_pblock_new
  42  *
  43  * Description:        This routine creates a new Slapi_PBlock structure,
  44  *                     loads in the plugin module and executes the init
  45  *                     function provided by the module.
  46  *
  47  * Input:              type - type of the plugin, such as SASL, database, etc.
  48  *                     path - the loadpath to load the module in
  49  *                     initfunc - name of the plugin function to execute first
  50  *                     argc - number of arguements
  51  *                     argv[] - an array of char pointers point to
  52  *                              the arguments passed in via
  53  *                              the configuration file.
  54  *
  55  * Output:
  56  *
  57  * Return Values:      a pointer to a newly created Slapi_PBlock structrue or
  58  *                     NULL - function failed
  59  *
  60  * Messages:           None
  61  *********************************************************************/
  62
  63 static Slapi_PBlock *
  64 plugin_pblock_new(
  65         int type,
  66         int argc,
  67         char *argv[] )
  68 {
  69         Slapi_PBlock    *pPlugin = NULL;
  70         Slapi_PluginDesc *pPluginDesc = NULL;
  71         lt_dlhandle     hdLoadHandle;
  72         int             rc;
  73         char **av2 = NULL, **ppPluginArgv;
  74         char *path = argv[2];
  75         char *initfunc = argv[3];
  76
  77         pPlugin = slapi_pblock_new();
  78         if ( pPlugin == NULL ) {
  79                 rc = LDAP_NO_MEMORY;
  80                 goto done;
  81         }
  82
  83         rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_TYPE, (void *)type );
  84         if ( rc != 0 ) {
  85                 goto done;
  86         }
  87
  88         rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_ARGC, (void *)argc );
  89         if ( rc != 0 ) {
  90                 goto done;
  91         }
  92
  93         av2 = ldap_charray_dup( argv );
  94         if ( av2 == NULL ) {
  95                 rc = LDAP_NO_MEMORY;
  96                 goto done;
  97         }
  98
  99         if ( argc > 0 ) {
 100                 ppPluginArgv = &av2[4];
 101         } else {
 102                 ppPluginArgv = NULL;
 103         }
 104         rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_ARGV, (void *)ppPluginArgv );
 105         if ( rc != 0 ) {
 106                 goto done;
 107         }
 108
 109         rc = slapi_pblock_set( pPlugin, SLAPI_X_CONFIG_ARGV, (void *)av2 );
 110         if ( rc != 0 ) {
 111                 goto done;
 112         }
 113
 114         rc = slapi_int_load_plugin( pPlugin, path, initfunc, TRUE, NULL, &hdLoadHandle );
 115         if ( rc != 0 ) {
 116                 goto done;
 117         }
 118
 119         if ( slapi_pblock_get( pPlugin, SLAPI_PLUGIN_DESCRIPTION, (void **)&pPluginDesc ) == 0 &&
 120              pPluginDesc != NULL ) {
 121                 slapi_log_error(SLAPI_LOG_TRACE, "plugin_pblock_new",
 122                                 "Registered plugin %s %s [%s] (%s)\n",
 123                                 pPluginDesc->spd_id,
 124                                 pPluginDesc->spd_version,
 125                                 pPluginDesc->spd_vendor,
 126                                 pPluginDesc->spd_description);
 127         }
 128
 129 done:
 130         if ( rc != 0 && pPlugin != NULL ) {
 131                 slapi_pblock_destroy( pPlugin );
 132                 pPlugin = NULL;
 133                 if ( av2 != NULL ) {
 134                         ldap_charray_free( av2 );
 135                 }
 136         }
 137
 138         return pPlugin;
 139 }
 140
 141 /*********************************************************************
 142  * Function Name:      slapi_int_register_plugin
 143  *
 144  * Description:        insert the slapi_pblock structure to the end of the plugin
 145  *                     list
 146  *
 147  * Input:              a pointer to a plugin slapi_pblock structure to be added to
 148  *                     the list
 149  *
 150  * Output:             none
 151  *
 152  * Return Values:      LDAP_SUCCESS - successfully inserted.
 153  *                     LDAP_LOCAL_ERROR.
 154  *
 155  * Messages:           None
 156  *********************************************************************/
 157 int
 158 slapi_int_register_plugin(
 159         Backend *be,
 160         Slapi_PBlock *pPB )
 161 {
 162         Slapi_PBlock *pTmpPB;
 163         Slapi_PBlock *pSavePB;
 164         int    rc = LDAP_SUCCESS;
 165
 166         assert( be != NULL ); /* global plugins are now stored in frontendDB */
 167
 168         pTmpPB = (Slapi_PBlock *)be->be_pb;
 169         if ( pTmpPB == NULL ) {
 170                 be->be_pb = (void *)pPB;
 171         } else {
 172                 while ( pTmpPB != NULL && rc == LDAP_SUCCESS ) {
 173                         pSavePB = pTmpPB;
 174                         rc = slapi_pblock_get( pTmpPB, SLAPI_IBM_PBLOCK, &pTmpPB );
 175                 }
 176
 177                 if ( rc == LDAP_SUCCESS ) {
 178                         rc = slapi_pblock_set( pSavePB, SLAPI_IBM_PBLOCK, (void *)pPB );
 179                 }
 180         }
 181
 182         return ( rc != LDAP_SUCCESS ) ? LDAP_OTHER : LDAP_SUCCESS;
 183 }
 184
 185 /*********************************************************************
 186  * Function Name:      slapi_int_get_plugins
 187  *
 188  * Description:        get the desired type of function pointers defined
 189  *                     in all the plugins
 190  *
 191  * Input:              the type of the functions to get, such as pre-operation,etc.
 192  *
 193  * Output:             none
 194  *
 195  * Return Values:      this routine returns a pointer to an array of function
 196  *                     pointers containing backend-specific plugin functions
 197  *                     followed by global plugin functions
 198  *
 199  * Messages:           None
 200  *********************************************************************/
 201 int
 202 slapi_int_get_plugins(
 203         Backend *be,
 204         int functype,
 205         SLAPI_FUNC **ppFuncPtrs )
 206 {
 207
 208         Slapi_PBlock    *pCurrentPB;
 209         SLAPI_FUNC      FuncPtr;
 210         SLAPI_FUNC      *pTmpFuncPtr;
 211         int             numPB = 0;
 212         int             rc = LDAP_SUCCESS;
 213
 214         assert( ppFuncPtrs != NULL );
 215         assert( be != NULL );
 216
 217         /*
 218          * First, count the plugins associated with a specific
 219          * backend.
 220          */
 221         if ( be != frontendDB ) {
 222                 pCurrentPB = (Slapi_PBlock *)be->be_pb;
 223
 224                 while ( pCurrentPB != NULL && rc == LDAP_SUCCESS ) {
 225                         rc = slapi_pblock_get( pCurrentPB, functype, &FuncPtr );
 226                         if ( rc == LDAP_SUCCESS ) {
 227                                 if ( FuncPtr != NULL )  {
 228                                         numPB++;
 229                                 }
 230                                 rc = slapi_pblock_get( pCurrentPB,
 231                                         SLAPI_IBM_PBLOCK, &pCurrentPB );
 232                         }
 233                 }
 234         }
 235         if ( rc != LDAP_SUCCESS ) {
 236                 goto done;
 237         }
 238
 239         /*
 240          * Then, count the global plugins.
 241          */
 242         pCurrentPB = (Slapi_PBlock *)frontendDB->be_pb;
 243
 244         while ( pCurrentPB != NULL && rc == LDAP_SUCCESS ) {
 245                 rc = slapi_pblock_get( pCurrentPB, functype, &FuncPtr );
 246                 if ( rc == LDAP_SUCCESS ) {
 247                         if ( FuncPtr != NULL )  {
 248                                 numPB++;
 249                         }
 250                         rc = slapi_pblock_get( pCurrentPB,
 251                                 SLAPI_IBM_PBLOCK, &pCurrentPB );
 252                 }
 253         }
 254         if ( rc != LDAP_SUCCESS ) {
 255                 goto done;
 256         }
 257
 258         if ( numPB == 0 ) {
 259                 *ppFuncPtrs = NULL;
 260                 rc = LDAP_SUCCESS;
 261                 goto done;
 262         }
 263
 264         /*
 265          * Now, build the function pointer array of backend-specific
 266          * plugins followed by global plugins.
 267          */
 268         *ppFuncPtrs = pTmpFuncPtr =
 269                 (SLAPI_FUNC *)ch_malloc( ( numPB + 1 ) * sizeof(SLAPI_FUNC) );
 270         if ( ppFuncPtrs == NULL ) {
 271                 rc = LDAP_NO_MEMORY;
 272                 goto done;
 273         }
 274
 275         if ( be != frontendDB ) {
 276                 pCurrentPB = (Slapi_PBlock *)be->be_pb;
 277
 278                 while ( pCurrentPB != NULL && rc == LDAP_SUCCESS )  {
 279                         rc = slapi_pblock_get( pCurrentPB, functype, &FuncPtr );
 280                         if ( rc == LDAP_SUCCESS ) {
 281                                 if ( FuncPtr != NULL )  {
 282                                         *pTmpFuncPtr = FuncPtr;
 283                                         pTmpFuncPtr++;
 284                                 }
 285                                 rc = slapi_pblock_get( pCurrentPB,
 286                                                 SLAPI_IBM_PBLOCK, &pCurrentPB );
 287                         }
 288                 }
 289         }
 290
 291         pCurrentPB = (Slapi_PBlock *)frontendDB->be_pb;
 292
 293         while ( pCurrentPB != NULL && rc == LDAP_SUCCESS )  {
 294                 rc = slapi_pblock_get( pCurrentPB, functype, &FuncPtr );
 295                 if ( rc == LDAP_SUCCESS ) {
 296                         if ( FuncPtr != NULL )  {
 297                                 *pTmpFuncPtr = FuncPtr;
 298                                 pTmpFuncPtr++;
 299                         }
 300                         rc = slapi_pblock_get( pCurrentPB,
 301                                         SLAPI_IBM_PBLOCK, &pCurrentPB );
 302                 }
 303         }
 304         *pTmpFuncPtr = NULL ;
 305
 306 done:
 307         if ( rc != LDAP_SUCCESS && *ppFuncPtrs != NULL ) {
 308                 ch_free( *ppFuncPtrs );
 309                 *ppFuncPtrs = NULL;
 310         }
 311
 312         return rc;
 313 }
 314
 315 /*********************************************************************
 316  * Function Name:      createExtendedOp
 317  *
 318  * Description: Creates an extended operation structure and
 319  *              initializes the fields
 320  *
 321  * Return value: A newly allocated structure or NULL
 322  ********************************************************************/
 323 ExtendedOp *
 324 createExtendedOp()
 325 {
 326         ExtendedOp *ret;
 327
 328         ret = (ExtendedOp *)ch_malloc(sizeof(ExtendedOp));
 329         if ( ret != NULL ) {
 330                 ret->ext_oid.bv_val = NULL;
 331                 ret->ext_oid.bv_len = 0;
 332                 ret->ext_func = NULL;
 333                 ret->ext_be = NULL;
 334                 ret->ext_next = NULL;
 335         }
 336
 337         return ret;
 338 }
 339
 340
 341 /*********************************************************************
 342  * Function Name:      slapi_int_unregister_extop
 343  *
 344  * Description:        This routine removes the ExtendedOp structures
 345  *                                         asscoiated with a particular extended operation
 346  *                                         plugin.
 347  *
 348  * Input:              pBE - pointer to a backend structure
 349  *                     opList - pointer to a linked list of extended
 350  *                              operation structures
 351  *                     pPB - pointer to a slapi parameter block
 352  *
 353  * Output:
 354  *
 355  * Return Value:       none
 356  *
 357  * Messages:           None
 358  *********************************************************************/
 359 void
 360 slapi_int_unregister_extop(
 361         Backend *pBE,
 362         ExtendedOp **opList,
 363         Slapi_PBlock *pPB )
 364 {
 365         ExtendedOp      *pTmpExtOp, *backExtOp;
 366         char            **pTmpOIDs;
 367         int             i;
 368
 369 #if 0
 370         assert( pBE != NULL); /* unused */
 371 #endif /* 0 */
 372         assert( opList != NULL );
 373         assert( pPB != NULL );
 374
 375         if ( *opList == NULL ) {
 376                 return;
 377         }
 378
 379         slapi_pblock_get( pPB, SLAPI_PLUGIN_EXT_OP_OIDLIST, &pTmpOIDs );
 380         if ( pTmpOIDs == NULL ) {
 381                 return;
 382         }
 383
 384         for ( i = 0; pTmpOIDs[i] != NULL; i++ ) {
 385                 backExtOp = NULL;
 386                 pTmpExtOp = *opList;
 387                 for ( ; pTmpExtOp != NULL; pTmpExtOp = pTmpExtOp->ext_next) {
 388                         int     rc;
 389                         rc = strcasecmp( pTmpExtOp->ext_oid.bv_val,
 390                                         pTmpOIDs[ i ] );
 391                         if ( rc == 0 ) {
 392                                 if ( backExtOp == NULL ) {
 393                                         *opList = pTmpExtOp->ext_next;
 394                                 } else {
 395                                         backExtOp->ext_next
 396                                                 = pTmpExtOp->ext_next;
 397                                 }
 398
 399                                 ch_free( pTmpExtOp );
 400                                 break;
 401                         }
 402                         backExtOp = pTmpExtOp;
 403                 }
 404         }
 405 }
 406
 407
 408 /*********************************************************************
 409  * Function Name:      slapi_int_register_extop
 410  *
 411  * Description:        This routine creates a new ExtendedOp structure, loads
 412  *                     in the extended op module and put the extended op function address
 413  *                     in the structure. The function will not be executed in
 414  *                     this routine.
 415  *
 416  * Input:              pBE - pointer to a backend structure
 417  *                     opList - pointer to a linked list of extended
 418  *                              operation structures
 419  *                     pPB - pointer to a slapi parameter block
 420  *
 421  * Output:
 422  *
 423  * Return Value:       an LDAP return code
 424  *
 425  * Messages:           None
 426  *********************************************************************/
 427 int
 428 slapi_int_register_extop(
 429         Backend *pBE,
 430         ExtendedOp **opList,
 431         Slapi_PBlock *pPB )
 432 {
 433         ExtendedOp      *pTmpExtOp = NULL;
 434         SLAPI_FUNC      tmpFunc;
 435         char            **pTmpOIDs;
 436         int             rc = LDAP_OTHER;
 437         int             i;
 438
 439         if ( (*opList) == NULL ) {
 440                 *opList = createExtendedOp();
 441                 if ( (*opList) == NULL ) {
 442                         rc = LDAP_NO_MEMORY;
 443                         goto error_return;
 444                 }
 445                 pTmpExtOp = *opList;
 446
 447         } else {                        /* Find the end of the list */
 448                 for ( pTmpExtOp = *opList; pTmpExtOp->ext_next != NULL;
 449                                 pTmpExtOp = pTmpExtOp->ext_next )
 450                         ; /* EMPTY */
 451                 pTmpExtOp->ext_next = createExtendedOp();
 452                 if ( pTmpExtOp->ext_next == NULL ) {
 453                         rc = LDAP_NO_MEMORY;
 454                         goto error_return;
 455                 }
 456                 pTmpExtOp = pTmpExtOp->ext_next;
 457         }
 458
 459         rc = slapi_pblock_get( pPB,SLAPI_PLUGIN_EXT_OP_OIDLIST, &pTmpOIDs );
 460         if ( rc != 0 ) {
 461                 rc = LDAP_OTHER;
 462                 goto error_return;
 463         }
 464
 465         rc = slapi_pblock_get(pPB,SLAPI_PLUGIN_EXT_OP_FN, &tmpFunc);
 466         if ( rc != 0 ) {
 467                 rc = LDAP_OTHER;
 468                 goto error_return;
 469         }
 470
 471         if ( (pTmpOIDs == NULL) || (tmpFunc == NULL) ) {
 472                 rc = LDAP_OTHER;
 473                 goto error_return;
 474         }
 475
 476         for ( i = 0; pTmpOIDs[i] != NULL; i++ ) {
 477                 pTmpExtOp->ext_oid.bv_val = pTmpOIDs[i];
 478                 pTmpExtOp->ext_oid.bv_len = strlen( pTmpOIDs[i] );
 479                 pTmpExtOp->ext_func = tmpFunc;
 480                 pTmpExtOp->ext_be = pBE;
 481                 if ( pTmpOIDs[i + 1] != NULL ) {
 482                         pTmpExtOp->ext_next = createExtendedOp();
 483                         if ( pTmpExtOp->ext_next == NULL ) {
 484                                 rc = LDAP_NO_MEMORY;
 485                                 break;
 486                         }
 487                         pTmpExtOp = pTmpExtOp->ext_next;
 488                 }
 489         }
 490
 491 error_return:
 492         return rc;
 493 }
 494
 495 /*********************************************************************
 496  * Function Name:      slapi_int_get_extop_plugin
 497  *
 498  * Description:        This routine gets the function address for a given function
 499  *                     name.
 500  *
 501  * Input:
 502  *                     funcName - name of the extended op function, ie. an OID.
 503  *
 504  * Output:             pFuncAddr - the function address of the requested function name.
 505  *
 506  * Return Values:      a pointer to a newly created ExtendOp structrue or
 507  *                     NULL - function failed
 508  *
 509  * Messages:           None
 510  *********************************************************************/
 511 int
 512 slapi_int_get_extop_plugin(
 513         struct berval *reqoid,
 514         SLAPI_FUNC *pFuncAddr )
 515 {
 516         ExtendedOp      *pTmpExtOp;
 517
 518         assert( reqoid != NULL );
 519         assert( pFuncAddr != NULL );
 520
 521         *pFuncAddr = NULL;
 522
 523         if ( pGExtendedOps == NULL ) {
 524                 return LDAP_OTHER;
 525         }
 526
 527         pTmpExtOp = pGExtendedOps;
 528         while ( pTmpExtOp != NULL ) {
 529                 int     rc;
 530
 531                 rc = strcasecmp( reqoid->bv_val, pTmpExtOp->ext_oid.bv_val );
 532                 if ( rc == 0 ) {
 533                         *pFuncAddr = pTmpExtOp->ext_func;
 534                         break;
 535                 }
 536                 pTmpExtOp = pTmpExtOp->ext_next;
 537         }
 538
 539         return ( *pFuncAddr == NULL ? 1 : 0 );
 540 }
 541
 542 /***************************************************************************
 543  * This function is similar to slapi_int_get_extop_plugin above. except it returns one OID
 544  * per call. It is called from root_dse_info (root_dse.c).
 545  * The function is a modified version of get_supported_extop (file extended.c).
 546  ***************************************************************************/
 547 struct berval *
 548 slapi_int_get_supported_extop( int index )
 549 {
 550         ExtendedOp      *ext;
 551
 552         for ( ext = pGExtendedOps ; ext != NULL && --index >= 0;
 553                         ext = ext->ext_next) {
 554                 ; /* empty */
 555         }
 556
 557         if ( ext == NULL ) {
 558                 return NULL;
 559         }
 560
 561         return &ext->ext_oid ;
 562 }
 563
 564 /*********************************************************************
 565  * Function Name:      slapi_int_load_plugin
 566  *
 567  * Description:        This routine loads the specified DLL, gets and executes the init function
 568  *                     if requested.
 569  *
 570  * Input:
 571  *                     pPlugin - a pointer to a Slapi_PBlock struct which will be passed to
 572  *                               the DLL init function.
 573  *                     path - path name of the DLL to be load.
 574  *                     initfunc - either the DLL initialization function or an OID of the
 575  *                                loaded extended operation.
 576  *                     doInit - if it is TRUE, execute the init function, otherwise, save the
 577  *                              function address but not execute it.
 578  *
 579  * Output:             pInitFunc - the function address of the loaded function. This param
 580  *                                 should be not be null if doInit is FALSE.
 581  *                     pLdHandle - handle returned by lt_dlopen()
 582  *
 583  * Return Values:      LDAP_SUCCESS, LDAP_LOCAL_ERROR
 584  *
 585  * Messages:           None
 586  *********************************************************************/
 587
 588 static int
 589 slapi_int_load_plugin(
 590         Slapi_PBlock    *pPlugin,
 591         const char      *path,
 592         const char      *initfunc,
 593         int             doInit,
 594         SLAPI_FUNC      *pInitFunc,
 595         lt_dlhandle     *pLdHandle )
 596 {
 597         int             rc = LDAP_SUCCESS;
 598         SLAPI_FUNC      fpInitFunc = NULL;
 599
 600         assert( pLdHandle != NULL );
 601
 602         if ( lt_dlinit() ) {
 603                 return LDAP_LOCAL_ERROR;
 604         }
 605
 606         /* load in the module */
 607         *pLdHandle = lt_dlopen( path );
 608         if ( *pLdHandle == NULL ) {
 609                 return LDAP_LOCAL_ERROR;
 610         }
 611
 612         fpInitFunc = (SLAPI_FUNC)lt_dlsym( *pLdHandle, initfunc );
 613         if ( fpInitFunc == NULL ) {
 614                 lt_dlclose( *pLdHandle );
 615                 return LDAP_LOCAL_ERROR;
 616         }
 617
 618         if ( doInit == TRUE ) {
 619                 rc = ( *fpInitFunc )( pPlugin );
 620                 if ( rc != LDAP_SUCCESS ) {
 621                         lt_dlclose( *pLdHandle );
 622                 }
 623
 624         } else {
 625                 *pInitFunc = fpInitFunc;
 626         }
 627
 628         return rc;
 629 }
 630
 631 /*
 632  * Special support for computed attribute plugins
 633  */
 634 int
 635 slapi_int_call_plugins(
 636         Backend         *be,
 637         int             funcType,
 638         Slapi_PBlock    *pPB )
 639 {
 640
 641         int rc = 0;
 642         SLAPI_FUNC *pGetPlugin = NULL, *tmpPlugin = NULL;
 643
 644         if ( pPB == NULL ) {
 645                 return 1;
 646         }
 647
 648         rc = slapi_int_get_plugins( be, funcType, &tmpPlugin );
 649         if ( rc != LDAP_SUCCESS || tmpPlugin == NULL ) {
 650                 /* Nothing to do, front-end should ignore. */
 651                 return 1;
 652         }
 653
 654         for ( pGetPlugin = tmpPlugin ; *pGetPlugin != NULL; pGetPlugin++ ) {
 655                 /*
 656                  * FIXME: we should provide here a sort of sandbox,
 657                  * to protect from plugin faults; e.g. trap signals
 658                  * and longjump here, marking the plugin as unsafe for
 659                  * later executions ...
 660                  */
 661                 rc = (*pGetPlugin)(pPB);
 662
 663                 /*
 664                  * Only non-postoperation plugins abort processing on
 665                  * failure (confirmed with SLAPI specification).
 666                  */
 667                 if ( !SLAPI_PLUGIN_IS_POST_FN( funcType ) && rc != 0 ) {
 668                         /*
 669                          * Plugins generally return negative error codes
 670                          * to indicate failure, although in the case of
 671                          * bind plugins they may return SLAPI_BIND_xxx
 672                          */
 673                         break;
 674                 }
 675         }
 676
 677         slapi_ch_free( (void **)&tmpPlugin );
 678
 679         return rc;
 680 }
 681
 682 int
 683 slapi_int_read_config(
 684         Backend         *be,
 685         const char      *fname,
 686         int             lineno,
 687         int             argc,
 688         char            **argv )
 689 {
 690         int             iType = -1;
 691         int             numPluginArgc = 0;
 692
 693         if ( argc < 4 ) {
 694                 fprintf( stderr,
 695                         "%s: line %d: missing arguments "
 696                         "in \"plugin <plugin_type> <lib_path> "
 697                         "<init_function> [<arguments>]\" line\n",
 698                         fname, lineno );
 699                 return 1;
 700         }
 701
 702         if ( strcasecmp( argv[1], "preoperation" ) == 0 ) {
 703                 iType = SLAPI_PLUGIN_PREOPERATION;
 704         } else if ( strcasecmp( argv[1], "postoperation" ) == 0 ) {
 705                 iType = SLAPI_PLUGIN_POSTOPERATION;
 706         } else if ( strcasecmp( argv[1], "extendedop" ) == 0 ) {
 707                 iType = SLAPI_PLUGIN_EXTENDEDOP;
 708         } else if ( strcasecmp( argv[1], "object" ) == 0 ) {
 709                 iType = SLAPI_PLUGIN_OBJECT;
 710         } else {
 711                 fprintf( stderr, "%s: line %d: invalid plugin type \"%s\".\n",
 712                                 fname, lineno, argv[1] );
 713                 return 1;
 714         }
 715
 716         numPluginArgc = argc - 4;
 717
 718         if ( iType == SLAPI_PLUGIN_PREOPERATION ||
 719                         iType == SLAPI_PLUGIN_EXTENDEDOP ||
 720                         iType == SLAPI_PLUGIN_POSTOPERATION ||
 721                         iType == SLAPI_PLUGIN_OBJECT ) {
 722                 int rc;
 723                 Slapi_PBlock *pPlugin;
 724
 725                 pPlugin = plugin_pblock_new( iType, numPluginArgc, argv );
 726                 if (pPlugin == NULL) {
 727                         return 1;
 728                 }
 729
 730                 if (iType == SLAPI_PLUGIN_EXTENDEDOP) {
 731                         rc = slapi_int_register_extop(be, &pGExtendedOps, pPlugin);
 732                         if ( rc != LDAP_SUCCESS ) {
 733                                 slapi_pblock_destroy( pPlugin );
 734                                 return 1;
 735                         }
 736                 }
 737
 738                 rc = slapi_int_register_plugin( be, pPlugin );
 739                 if ( rc != LDAP_SUCCESS ) {
 740                         if ( iType == SLAPI_PLUGIN_EXTENDEDOP ) {
 741                                 slapi_int_unregister_extop( be, &pGExtendedOps, pPlugin );
 742                         }
 743                         slapi_pblock_destroy( pPlugin );
 744                         return 1;
 745                 }
 746         }
 747
 748         return 0;
 749 }
 750
 751 void
 752 slapi_int_plugin_unparse(
 753         Backend *be,
 754         BerVarray *out
 755 )
 756 {
 757         Slapi_PBlock *pp;
 758         int i, j;
 759         char **argv, ibuf[32], *ptr;
 760         struct berval idx, bv;
 761
 762         *out = NULL;
 763         idx.bv_val = ibuf;
 764         i = 0;
 765
 766         for ( pp = be->be_pb;
 767               pp != NULL;
 768               slapi_pblock_get( pp, SLAPI_IBM_PBLOCK, &pp ) )
 769         {
 770                 slapi_pblock_get( pp, SLAPI_X_CONFIG_ARGV, &argv );
 771                 if ( argv == NULL ) /* could be dynamic plugin */
 772                         continue;
 773                 idx.bv_len = sprintf( idx.bv_val, "{%d}", i );
 774                 bv.bv_len = idx.bv_len;
 775                 for (j=1; argv[j]; j++) {
 776                         bv.bv_len += strlen(argv[j]);
 777                         if ( j ) bv.bv_len++;
 778                 }
 779                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 780                 ptr = lutil_strcopy( bv.bv_val, ibuf );
 781                 for (j=1; argv[j]; j++) {
 782                         if ( j ) *ptr++ = ' ';
 783                         ptr = lutil_strcopy( ptr, argv[j] );
 784                 }
 785                 ber_bvarray_add( out, &bv );
 786         }
 787 }
 788
 789 int
 790 slapi_int_initialize(void)
 791 {
 792         if ( ldap_pvt_thread_mutex_init( &slapi_hn_mutex ) ) {
 793                 return -1;
 794         }
 795
 796         if ( ldap_pvt_thread_mutex_init( &slapi_time_mutex ) ) {
 797                 return -1;
 798         }
 799
 800         if ( ldap_pvt_thread_mutex_init( &slapi_printmessage_mutex ) ) {
 801                 return -1;
 802         }
 803
 804         slapi_log_file = ch_strdup( LDAP_RUNDIR LDAP_DIRSEP "errors" );
 805         if ( slapi_log_file == NULL ) {
 806                 return -1;
 807         }
 808
 809         if ( slapi_int_init_object_extensions() != 0 ) {
 810                 return -1;
 811         }
 812
 813         return 0;
 814 }
 815