git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/config.c

   1 /* config.c - ldap backend configuration file routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2006 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/ctype.h>
  30 #include <ac/socket.h>
  31
  32 #include "slap.h"
  33 #include "config.h"
  34 #include "back-ldap.h"
  35 #include "lutil.h"
  36 #include "ldif.h"
  37 #undef ldap_debug
  38 /* for advanced URL parsing */
  39 #include "../../../libraries/libldap/ldap-int.h"
  40
  41 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
  42
  43 static ConfigDriver ldap_back_cf_gen;
  44
  45 enum {
  46         LDAP_BACK_CFG_URI = 1,
  47         LDAP_BACK_CFG_TLS,
  48         LDAP_BACK_CFG_ACL_AUTHCDN,
  49         LDAP_BACK_CFG_ACL_PASSWD,
  50         LDAP_BACK_CFG_ACL_METHOD,
  51         LDAP_BACK_CFG_ACL_BIND,
  52         LDAP_BACK_CFG_IDASSERT_MODE,
  53         LDAP_BACK_CFG_IDASSERT_AUTHCDN,
  54         LDAP_BACK_CFG_IDASSERT_PASSWD,
  55         LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
  56         LDAP_BACK_CFG_IDASSERT_METHOD,
  57         LDAP_BACK_CFG_IDASSERT_BIND,
  58         LDAP_BACK_CFG_REBIND,
  59         LDAP_BACK_CFG_CHASE,
  60         LDAP_BACK_CFG_T_F,
  61         LDAP_BACK_CFG_WHOAMI,
  62         LDAP_BACK_CFG_TIMEOUT,
  63         LDAP_BACK_CFG_IDLE_TIMEOUT,
  64         LDAP_BACK_CFG_CONN_TTL,
  65         LDAP_BACK_CFG_NETWORK_TIMEOUT,
  66         LDAP_BACK_CFG_VERSION,
  67         LDAP_BACK_CFG_SINGLECONN,
  68         LDAP_BACK_CFG_CANCEL,
  69         LDAP_BACK_CFG_QUARANTINE,
  70         LDAP_BACK_CFG_REWRITE,
  71
  72         LDAP_BACK_CFG_LAST
  73 };
  74
  75 static ConfigTable ldapcfg[] = {
  76         { "uri", "uri", 2, 2, 0,
  77                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  78                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  79                         "NAME 'olcDbURI' "
  80                         "DESC 'URI (list) for remote DSA' "
  81                         "SYNTAX OMsDirectoryString "
  82                         "SINGLE-VALUE )",
  83                 NULL, NULL },
  84         { "tls", "what", 2, 2, 0,
  85                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  86                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  87                         "NAME 'olcDbStartTLS' "
  88                         "DESC 'StartTLS' "
  89                         "SYNTAX OMsDirectoryString "
  90                         "SINGLE-VALUE )",
  91                 NULL, NULL },
  92         { "acl-authcDN", "DN", 2, 2, 0,
  93                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  94                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  95                         "NAME 'olcDbACLAuthcDn' "
  96                         "DESC 'Remote ACL administrative identity' "
  97                         "OBSOLETE "
  98                         "SYNTAX OMsDN "
  99                         "SINGLE-VALUE )",
 100                 NULL, NULL },
 101         /* deprecated, will be removed; aliases "acl-authcDN" */
 102         { "binddn", "DN", 2, 2, 0,
 103                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
 104                 ldap_back_cf_gen, NULL, NULL, NULL },
 105         { "acl-passwd", "cred", 2, 2, 0,
 106                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 107                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 108                         "NAME 'olcDbACLPasswd' "
 109                         "DESC 'Remote ACL administrative identity credentials' "
 110                         "OBSOLETE "
 111                         "SYNTAX OMsDirectoryString "
 112                         "SINGLE-VALUE )",
 113                 NULL, NULL },
 114         /* deprecated, will be removed; aliases "acl-passwd" */
 115         { "bindpw", "cred", 2, 2, 0,
 116                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 117                 ldap_back_cf_gen, NULL, NULL, NULL },
 118         /* deprecated, will be removed; aliases "acl-bind" */
 119         { "acl-method", "args", 2, 0, 0,
 120                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 121                 ldap_back_cf_gen, NULL, NULL, NULL },
 122         { "acl-bind", "args", 2, 0, 0,
 123                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 124                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 125                         "NAME 'olcDbACLBind' "
 126                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 127                         "SYNTAX OMsDirectoryString "
 128                         "SINGLE-VALUE )",
 129                 NULL, NULL },
 130         { "idassert-authcDN", "DN", 2, 2, 0,
 131                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 132                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 133                         "NAME 'olcDbIDAssertAuthcDn' "
 134                         "DESC 'Remote Identity Assertion administrative identity' "
 135                         "OBSOLETE "
 136                         "SYNTAX OMsDN "
 137                         "SINGLE-VALUE )",
 138                 NULL, NULL },
 139         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 140         { "proxyauthzdn", "DN", 2, 2, 0,
 141                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 142                 ldap_back_cf_gen, NULL, NULL, NULL },
 143         { "idassert-passwd", "cred", 2, 2, 0,
 144                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 145                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 146                         "NAME 'olcDbIDAssertPasswd' "
 147                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 148                         "OBSOLETE "
 149                         "SYNTAX OMsDirectoryString "
 150                         "SINGLE-VALUE )",
 151                 NULL, NULL },
 152         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 153         { "proxyauthzpw", "cred", 2, 2, 0,
 154                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 155                 ldap_back_cf_gen, NULL, NULL, NULL },
 156         { "idassert-bind", "args", 2, 0, 0,
 157                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 158                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 159                         "NAME 'olcDbIDAssertBind' "
 160                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 161                         "SYNTAX OMsDirectoryString "
 162                         "SINGLE-VALUE )",
 163                 NULL, NULL },
 164         { "idassert-method", "args", 2, 0, 0,
 165                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 166                 ldap_back_cf_gen, NULL, NULL, NULL },
 167         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 168                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 169                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 170                         "NAME 'olcDbIDAssertMode' "
 171                         "DESC 'Remote Identity Assertion mode' "
 172                         "OBSOLETE "
 173                         "SYNTAX OMsDirectoryString "
 174                         "SINGLE-VALUE)",
 175                 NULL, NULL },
 176         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 177                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 178                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 179                         "NAME 'olcDbIDAssertAuthzFrom' "
 180                         "DESC 'Remote Identity Assertion authz rules' "
 181                         "SYNTAX OMsDirectoryString "
 182                         "X-ORDERED 'VALUES' )",
 183                 NULL, NULL },
 184         { "rebind-as-user", "NO|yes", 1, 2, 0,
 185                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 186                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 187                         "NAME 'olcDbRebindAsUser' "
 188                         "DESC 'Rebind as user' "
 189                         "SYNTAX OMsBoolean "
 190                         "SINGLE-VALUE )",
 191                 NULL, NULL },
 192         { "chase-referrals", "YES|no", 2, 2, 0,
 193                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 194                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 195                         "NAME 'olcDbChaseReferrals' "
 196                         "DESC 'Chase referrals' "
 197                         "SYNTAX OMsBoolean "
 198                         "SINGLE-VALUE )",
 199                 NULL, NULL },
 200         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 201                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 202                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 203                         "NAME 'olcDbTFSupport' "
 204                         "DESC 'Absolute filters support' "
 205                         "SYNTAX OMsDirectoryString "
 206                         "SINGLE-VALUE )",
 207                 NULL, NULL },
 208         { "proxy-whoami", "NO|yes", 1, 2, 0,
 209                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 210                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 211                         "NAME 'olcDbProxyWhoAmI' "
 212                         "DESC 'Proxy whoAmI exop' "
 213                         "SYNTAX OMsBoolean "
 214                         "SINGLE-VALUE )",
 215                 NULL, NULL },
 216         { "timeout", "timeout(list)", 2, 0, 0,
 217                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 218                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 219                         "NAME 'olcDbTimeout' "
 220                         "DESC 'Per-operation timeouts' "
 221                         "SYNTAX OMsDirectoryString "
 222                         "SINGLE-VALUE )",
 223                 NULL, NULL },
 224         { "idle-timeout", "timeout", 2, 0, 0,
 225                 ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
 226                 ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
 227                         "NAME 'olcDbIdleTimeout' "
 228                         "DESC 'connection idle timeout' "
 229                         "SYNTAX OMsDirectoryString "
 230                         "SINGLE-VALUE )",
 231                 NULL, NULL },
 232         { "conn-ttl", "ttl", 2, 0, 0,
 233                 ARG_MAGIC|LDAP_BACK_CFG_CONN_TTL,
 234                 ldap_back_cf_gen, "( OLcfgDbAt:3.16 "
 235                         "NAME 'olcDbConnTtl' "
 236                         "DESC 'connection ttl' "
 237                         "SYNTAX OMsDirectoryString "
 238                         "SINGLE-VALUE )",
 239                 NULL, NULL },
 240         { "network-timeout", "timeout", 2, 0, 0,
 241                 ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
 242                 ldap_back_cf_gen, "( OLcfgDbAt:3.17 "
 243                         "NAME 'olcDbNetworkTimeout' "
 244                         "DESC 'connection network timeout' "
 245                         "SYNTAX OMsDirectoryString "
 246                         "SINGLE-VALUE )",
 247                 NULL, NULL },
 248         { "protocol-version", "version", 2, 0, 0,
 249                 ARG_MAGIC|ARG_INT|LDAP_BACK_CFG_VERSION,
 250                 ldap_back_cf_gen, "( OLcfgDbAt:3.18 "
 251                         "NAME 'olcDbProtocolVersion' "
 252                         "DESC 'protocol version' "
 253                         "SYNTAX OMsInteger "
 254                         "SINGLE-VALUE )",
 255                 NULL, NULL },
 256         { "single-conn", "TRUE/FALSE", 2, 0, 0,
 257                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_SINGLECONN,
 258                 ldap_back_cf_gen, "( OLcfgDbAt:3.19 "
 259                         "NAME 'olcDbSingleConn' "
 260                         "DESC 'cache a single connection per identity' "
 261                         "SYNTAX OMsBoolean "
 262                         "SINGLE-VALUE )",
 263                 NULL, NULL },
 264         { "cancel", "ABANDON|ignore|exop", 2, 0, 0,
 265                 ARG_MAGIC|LDAP_BACK_CFG_CANCEL,
 266                 ldap_back_cf_gen, "( OLcfgDbAt:3.20 "
 267                         "NAME 'olcDbCancel' "
 268                         "DESC 'abandon/ignore/exop operations when appropriate' "
 269                         "SYNTAX OMsDirectoryString "
 270                         "SINGLE-VALUE )",
 271                 NULL, NULL },
 272         { "quarantine", "retrylist", 2, 0, 0,
 273                 ARG_MAGIC|LDAP_BACK_CFG_QUARANTINE,
 274                 ldap_back_cf_gen, "( OLcfgDbAt:3.21 "
 275                         "NAME 'olcDbQuarantine' "
 276                         "DESC 'Quarantine database if connection fails and retry according to rule' "
 277                         "SYNTAX OMsDirectoryString "
 278                         "SINGLE-VALUE )",
 279                 NULL, NULL },
 280         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 281                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 282                 ldap_back_cf_gen, NULL, NULL, NULL },
 283         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 284                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 285                 ldap_back_cf_gen, NULL, NULL, NULL },
 286         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 287                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 288                 ldap_back_cf_gen, NULL, NULL, NULL },
 289         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 290                 NULL, NULL, NULL, NULL }
 291 };
 292
 293 static ConfigOCs ldapocs[] = {
 294         { "( OLcfgDbOc:3.1 "
 295                 "NAME 'olcLDAPConfig' "
 296                 "DESC 'LDAP backend configuration' "
 297                 "SUP olcDatabaseConfig "
 298                 "MUST olcDbURI "
 299                 "MAY ( olcDbStartTLS "
 300                         "$ olcDbACLAuthcDn "
 301                         "$ olcDbACLPasswd "
 302                         "$ olcDbACLBind "
 303                         "$ olcDbIDAssertAuthcDn "
 304                         "$ olcDbIDAssertPasswd "
 305                         "$ olcDbIDAssertBind "
 306                         "$ olcDbIDAssertMode "
 307                         "$ olcDbIDAssertAuthzFrom "
 308                         "$ olcDbRebindAsUser "
 309                         "$ olcDbChaseReferrals "
 310                         "$ olcDbTFSupport "
 311                         "$ olcDbProxyWhoAmI "
 312                         "$ olcDbTimeout "
 313                         "$ olcDbIdleTimeout "
 314                         "$ olcDbSingleConn "
 315                         "$ olcDbCancel "
 316                         "$ olcDbQuarantine "
 317                 ") )",
 318                         Cft_Database, ldapcfg},
 319         { NULL, 0, NULL }
 320 };
 321
 322 static slap_verbmasks idassert_mode[] = {
 323         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 324         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 325         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 326         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 327         { BER_BVNULL,                   0 }
 328 };
 329
 330 static slap_verbmasks tls_mode[] = {
 331         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 332         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 333         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 334         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 335         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 336         { BER_BVNULL,                   0 }
 337 };
 338
 339 static slap_verbmasks t_f_mode[] = {
 340         { BER_BVC( "yes" ),             LDAP_BACK_F_T_F },
 341         { BER_BVC( "discover" ),        LDAP_BACK_F_T_F_DISCOVER },
 342         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 343         { BER_BVNULL,                   0 }
 344 };
 345
 346 static slap_verbmasks cancel_mode[] = {
 347         { BER_BVC( "ignore" ),          LDAP_BACK_F_CANCEL_IGNORE },
 348         { BER_BVC( "exop" ),            LDAP_BACK_F_CANCEL_EXOP },
 349         { BER_BVC( "exop-discover" ),   LDAP_BACK_F_CANCEL_EXOP_DISCOVER },
 350         { BER_BVC( "abandon" ),         LDAP_BACK_F_CANCEL_ABANDON },
 351         { BER_BVNULL,                   0 }
 352 };
 353
 354 static slap_cf_aux_table timeout_table[] = {
 355         { BER_BVC("add="), 0 * sizeof( time_t ), 'u', 0, NULL },
 356         { BER_BVC("delete="), 1 * sizeof( time_t ), 'u', 0, NULL },
 357         { BER_BVC("modify="), 2 * sizeof( time_t ), 'u', 0, NULL },
 358         { BER_BVC("modrdn="), 3 * sizeof( time_t ), 'u', 0, NULL },
 359         { BER_BVNULL, 0, 0, 0, NULL }
 360 };
 361
 362 int
 363 slap_retry_info_parse(
 364         char                    *in,
 365         slap_retry_info_t       *ri,
 366         char                    *buf,
 367         ber_len_t               buflen )
 368 {
 369         char                    **retrylist = NULL;
 370         int                     rc = 0;
 371         int                     i;
 372
 373         slap_str2clist( &retrylist, in, " ;" );
 374         if ( retrylist == NULL ) {
 375                 return 1;
 376         }
 377
 378         for ( i = 0; retrylist[ i ] != NULL; i++ )
 379                 /* count */ ;
 380
 381         ri->ri_interval = ch_calloc( sizeof( time_t ), i + 1 );
 382         ri->ri_num = ch_calloc( sizeof( int ), i + 1 );
 383
 384         for ( i = 0; retrylist[ i ] != NULL; i++ ) {
 385                 char    *sep = strchr( retrylist[ i ], ',' );
 386
 387                 if ( sep == NULL ) {
 388                         snprintf( buf, buflen,
 389                                 "missing comma in retry pattern #%d \"%s\"",
 390                                 i, retrylist[ i ] );
 391                         rc = 1;
 392                         goto done;
 393                 }
 394
 395                 *sep++ = '\0';
 396
 397                 if ( lutil_atol( &ri->ri_interval[ i ], retrylist[ i ] ) ) {
 398                         snprintf( buf, buflen,
 399                                 "unable to parse interval #%d \"%s\"",
 400                                 i, retrylist[ i ] );
 401                         rc = 1;
 402                         goto done;
 403                 }
 404
 405                 if ( strcmp( sep, "+" ) == 0 ) {
 406                         if ( retrylist[ i + 1 ] != NULL ) {
 407                                 snprintf( buf, buflen,
 408                                         "extra cruft after retry pattern "
 409                                         "#%d \"%s,+\" with \"forever\" mark",
 410                                         i, retrylist[ i ] );
 411                                 rc = 1;
 412                                 goto done;
 413                         }
 414                         ri->ri_num[ i ] = SLAP_RETRYNUM_FOREVER;
 415
 416                 } else if ( lutil_atoi( &ri->ri_num[ i ], sep ) ) {
 417                         snprintf( buf, buflen,
 418                                 "unable to parse retry num #%d \"%s\"",
 419                                 i, sep );
 420                         rc = 1;
 421                         goto done;
 422                 }
 423         }
 424
 425         ri->ri_num[ i ] = SLAP_RETRYNUM_TAIL;
 426
 427         ri->ri_idx = 0;
 428         ri->ri_count = 0;
 429         ri->ri_last = (time_t)(-1);
 430
 431 done:;
 432         ldap_charray_free( retrylist );
 433
 434         if ( rc ) {
 435                 slap_retry_info_destroy( ri );
 436         }
 437
 438         return rc;
 439 }
 440
 441 int
 442 slap_retry_info_unparse(
 443         slap_retry_info_t       *ri,
 444         struct berval           *bvout )
 445 {
 446         int             i;
 447         char            buf[ BUFSIZ * 2 ],
 448                         *ptr = buf;
 449         struct berval   bv = BER_BVNULL;
 450
 451         assert( ri != NULL );
 452         assert( bvout != NULL );
 453
 454         BER_BVZERO( bvout );
 455
 456 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
 457
 458         for ( i = 0; ri->ri_num[ i ] != SLAP_RETRYNUM_TAIL; i++ ) {
 459                 if ( i > 0 ) {
 460                         if ( WHATSLEFT <= 1 ) {
 461                                 return 1;
 462                         }
 463                         *ptr++ = ';';
 464                 }
 465
 466                 ptr += snprintf( ptr, WHATSLEFT, "%ld,", (long)ri->ri_interval[i] );
 467                 if ( WHATSLEFT <= 0 ) {
 468                         return 1;
 469                 }
 470
 471                 if ( ri->ri_num[i] == SLAP_RETRYNUM_FOREVER ) {
 472                         if ( WHATSLEFT <= 1 ) {
 473                                 return 1;
 474                         }
 475                         *ptr++ = '+';
 476
 477                 } else {
 478                         ptr += snprintf( ptr, WHATSLEFT, "%d", ri->ri_num[i] );
 479                         if ( WHATSLEFT <= 0 ) {
 480                                 return 1;
 481                         }
 482                 }
 483         }
 484
 485         bv.bv_val = buf;
 486         bv.bv_len = ptr - buf;
 487
 488         ber_dupbv( bvout, &bv );
 489
 490         return 0;
 491 }
 492
 493 void
 494 slap_retry_info_destroy(
 495         slap_retry_info_t       *ri )
 496 {
 497         assert( ri != NULL );
 498
 499         assert( ri->ri_interval != NULL );
 500         ch_free( ri->ri_interval );
 501         ri->ri_interval = NULL;
 502
 503         assert( ri->ri_num != NULL );
 504         ch_free( ri->ri_num );
 505         ri->ri_num = NULL;
 506 }
 507
 508 static int
 509 ldap_back_cf_gen( ConfigArgs *c )
 510 {
 511         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 512         int             rc = 0;
 513         int             i;
 514
 515         if ( c->op == SLAP_CONFIG_EMIT ) {
 516                 struct berval   bv = BER_BVNULL;
 517
 518                 if ( li == NULL ) {
 519                         return 1;
 520                 }
 521
 522                 switch( c->type ) {
 523                 case LDAP_BACK_CFG_URI:
 524                         if ( li->li_uri != NULL ) {
 525                                 struct berval   bv;
 526
 527                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 528                                 value_add_one( &c->rvalue_vals, &bv );
 529
 530                         } else {
 531                                 rc = 1;
 532                         }
 533                         break;
 534
 535                 case LDAP_BACK_CFG_TLS:
 536                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 537                         assert( !BER_BVISNULL( &bv ) );
 538                         value_add_one( &c->rvalue_vals, &bv );
 539                         break;
 540
 541                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 542                 case LDAP_BACK_CFG_ACL_PASSWD:
 543                 case LDAP_BACK_CFG_ACL_METHOD:
 544                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 545                         rc = 1;
 546                         break;
 547
 548                 case LDAP_BACK_CFG_ACL_BIND: {
 549                         int     i;
 550
 551                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 552                                 return 1;
 553                         }
 554
 555                         bindconf_unparse( &li->li_acl, &bv );
 556
 557                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 558                                 /* count spaces */ ;
 559
 560                         if ( i ) {
 561                                 bv.bv_len -= i;
 562                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 563                                         bv.bv_len + 1 );
 564                         }
 565
 566                         ber_bvarray_add( &c->rvalue_vals, &bv );
 567                         break;
 568                 }
 569
 570                 case LDAP_BACK_CFG_IDASSERT_MODE:
 571                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 572                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 573                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 574                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 575                         rc = 1;
 576                         break;
 577
 578                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 579                         int             i;
 580
 581                         if ( li->li_idassert_authz == NULL ) {
 582                                 rc = 1;
 583                                 break;
 584                         }
 585
 586                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 587                         {
 588                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 589                         }
 590                         break;
 591                 }
 592
 593                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 594                         int             i;
 595                         struct berval   bc = BER_BVNULL;
 596                         char            *ptr;
 597
 598                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 599                                 return 1;
 600                         }
 601
 602                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 603                                 ber_len_t       len;
 604
 605                                 switch ( li->li_idassert_mode ) {
 606                                 case LDAP_BACK_IDASSERT_OTHERID:
 607                                 case LDAP_BACK_IDASSERT_OTHERDN:
 608                                         break;
 609
 610                                 default: {
 611                                         struct berval   mode = BER_BVNULL;
 612
 613                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 614                                         if ( BER_BVISNULL( &mode ) ) {
 615                                                 /* there's something wrong... */
 616                                                 assert( 0 );
 617                                                 rc = 1;
 618
 619                                         } else {
 620                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 621                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 622
 623                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 624                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 625                                         }
 626                                         break;
 627                                 }
 628                                 }
 629
 630                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 631                                         len = bv.bv_len + STRLENOF( "authz=native" );
 632
 633                                         if ( !BER_BVISEMPTY( &bv ) ) {
 634                                                 len += STRLENOF( " " );
 635                                         }
 636
 637                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 638
 639                                         ptr = &bv.bv_val[ bv.bv_len ];
 640
 641                                         if ( !BER_BVISEMPTY( &bv ) ) {
 642                                                 ptr = lutil_strcopy( ptr, " " );
 643                                         }
 644
 645                                         (void)lutil_strcopy( ptr, "authz=native" );
 646                                 }
 647
 648                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override,obsolete-encoding-workaround" );
 649                                 /* flags */
 650                                 if ( !BER_BVISEMPTY( &bv ) ) {
 651                                         len += STRLENOF( " " );
 652                                 }
 653
 654                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 655
 656                                 ptr = &bv.bv_val[ bv.bv_len ];
 657
 658                                 if ( !BER_BVISEMPTY( &bv ) ) {
 659                                         ptr = lutil_strcopy( ptr, " " );
 660                                 }
 661
 662                                 ptr = lutil_strcopy( ptr, "flags=" );
 663
 664                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 665                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 666                                 } else {
 667                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 668                                 }
 669
 670                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 671                                         ptr = lutil_strcopy( ptr, ",override" );
 672                                 }
 673
 674                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 675                                         ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
 676
 677                                 } else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 678                                         ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
 679                                 }
 680
 681                                 bv.bv_len = ( ptr - bv.bv_val );
 682                                 /* end-of-flags */
 683                         }
 684
 685                         bindconf_unparse( &li->li_idassert, &bc );
 686
 687                         if ( !BER_BVISNULL( &bv ) ) {
 688                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 689
 690                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 691
 692                                 assert( bc.bv_val[ 0 ] == ' ' );
 693
 694                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 695                                 free( bc.bv_val );
 696                                 bv.bv_len = ptr - bv.bv_val;
 697
 698                         } else {
 699                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 700                                         /* count spaces */ ;
 701
 702                                 if ( i ) {
 703                                         bc.bv_len -= i;
 704                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 705                                 }
 706
 707                                 bv = bc;
 708                         }
 709
 710                         ber_bvarray_add( &c->rvalue_vals, &bv );
 711
 712                         break;
 713                 }
 714
 715                 case LDAP_BACK_CFG_REBIND:
 716                         c->value_int = LDAP_BACK_SAVECRED( li );
 717                         break;
 718
 719                 case LDAP_BACK_CFG_CHASE:
 720                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 721                         break;
 722
 723                 case LDAP_BACK_CFG_T_F:
 724                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_T_F_MASK2), &bv );
 725                         if ( BER_BVISNULL( &bv ) ) {
 726                                 /* there's something wrong... */
 727                                 assert( 0 );
 728                                 rc = 1;
 729
 730                         } else {
 731                                 value_add_one( &c->rvalue_vals, &bv );
 732                         }
 733                         break;
 734
 735                 case LDAP_BACK_CFG_WHOAMI:
 736                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 737                         break;
 738
 739                 case LDAP_BACK_CFG_TIMEOUT:
 740                         BER_BVZERO( &bv );
 741
 742                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 743                                 if ( li->li_timeout[ i ] != 0 ) {
 744                                         break;
 745                                 }
 746                         }
 747
 748                         if ( i == LDAP_BACK_OP_LAST ) {
 749                                 return 1;
 750                         }
 751
 752                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 753
 754                         if ( BER_BVISNULL( &bv ) ) {
 755                                 return 1;
 756                         }
 757
 758                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 759                                 /* count spaces */ ;
 760
 761                         if ( i ) {
 762                                 bv.bv_len -= i;
 763                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 764                                         bv.bv_len + 1 );
 765                         }
 766
 767                         ber_bvarray_add( &c->rvalue_vals, &bv );
 768                         break;
 769
 770                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 771                         char    buf[ SLAP_TEXT_BUFLEN ];
 772
 773                         if ( li->li_idle_timeout == 0 ) {
 774                                 return 1;
 775                         }
 776
 777                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 778                         ber_str2bv( buf, 0, 0, &bv );
 779                         value_add_one( &c->rvalue_vals, &bv );
 780                         } break;
 781
 782                 case LDAP_BACK_CFG_CONN_TTL: {
 783                         char    buf[ SLAP_TEXT_BUFLEN ];
 784
 785                         if ( li->li_conn_ttl == 0 ) {
 786                                 return 1;
 787                         }
 788
 789                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 790                         ber_str2bv( buf, 0, 0, &bv );
 791                         value_add_one( &c->rvalue_vals, &bv );
 792                         } break;
 793
 794                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 795                         char    buf[ SLAP_TEXT_BUFLEN ];
 796
 797                         if ( li->li_network_timeout == 0 ) {
 798                                 return 1;
 799                         }
 800
 801                         snprintf( buf, sizeof( buf ), "%ld",
 802                                 (long)li->li_network_timeout );
 803                         ber_str2bv( buf, 0, 0, &bv );
 804                         value_add_one( &c->rvalue_vals, &bv );
 805                         } break;
 806
 807                 case LDAP_BACK_CFG_VERSION:
 808                         if ( li->li_version == 0 ) {
 809                                 return 1;
 810                         }
 811
 812                         c->value_int = li->li_version;
 813                         break;
 814
 815                 case LDAP_BACK_CFG_SINGLECONN:
 816                         c->value_int = LDAP_BACK_SINGLECONN( li );
 817                         break;
 818
 819                 case LDAP_BACK_CFG_CANCEL: {
 820                         slap_mask_t     mask = LDAP_BACK_F_CANCEL_MASK2;
 821
 822                         if ( LDAP_BACK_CANCEL_DISCOVER( li ) ) {
 823                                 mask &= ~LDAP_BACK_F_CANCEL_EXOP;
 824                         }
 825                         enum_to_verb( cancel_mode, (li->li_flags & mask), &bv );
 826                         if ( BER_BVISNULL( &bv ) ) {
 827                                 /* there's something wrong... */
 828                                 assert( 0 );
 829                                 rc = 1;
 830
 831                         } else {
 832                                 value_add_one( &c->rvalue_vals, &bv );
 833                         }
 834                         } break;
 835
 836                 case LDAP_BACK_CFG_QUARANTINE:
 837                         if ( !LDAP_BACK_QUARANTINE( li ) ) {
 838                                 rc = 1;
 839                                 break;
 840                         }
 841
 842                         rc = slap_retry_info_unparse( &li->li_quarantine, &bv );
 843                         if ( rc == 0 ) {
 844                                 ber_bvarray_add( &c->rvalue_vals, &bv );
 845                         }
 846                         break;
 847
 848                 default:
 849                         /* FIXME: we need to handle all... */
 850                         assert( 0 );
 851                         break;
 852                 }
 853                 return rc;
 854
 855         } else if ( c->op == LDAP_MOD_DELETE ) {
 856                 switch( c->type ) {
 857                 case LDAP_BACK_CFG_URI:
 858                         if ( li->li_uri != NULL ) {
 859                                 ch_free( li->li_uri );
 860                                 li->li_uri = NULL;
 861
 862                                 assert( li->li_bvuri != NULL );
 863                                 ber_bvarray_free( li->li_bvuri );
 864                                 li->li_bvuri = NULL;
 865                         }
 866
 867                         /* better cleanup the cached connections... */
 868                         /* NOTE: don't worry about locking: if we got here,
 869                          * other threads are suspended. */
 870                         if ( li->li_conninfo.lai_tree != NULL ) {
 871                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 872                                 li->li_conninfo.lai_tree = NULL;
 873                         }
 874
 875                         break;
 876
 877                 case LDAP_BACK_CFG_TLS:
 878                         rc = 1;
 879                         break;
 880
 881                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 882                 case LDAP_BACK_CFG_ACL_PASSWD:
 883                 case LDAP_BACK_CFG_ACL_METHOD:
 884                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 885                         rc = 1;
 886                         break;
 887
 888                 case LDAP_BACK_CFG_ACL_BIND:
 889                         bindconf_free( &li->li_acl );
 890                         break;
 891
 892                 case LDAP_BACK_CFG_IDASSERT_MODE:
 893                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 894                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 895                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 896                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 897                         rc = 1;
 898                         break;
 899
 900                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 901                         if ( li->li_idassert_authz != NULL ) {
 902                                 ber_bvarray_free( li->li_idassert_authz );
 903                                 li->li_idassert_authz = NULL;
 904                         }
 905                         break;
 906
 907                 case LDAP_BACK_CFG_IDASSERT_BIND:
 908                         bindconf_free( &li->li_idassert );
 909                         break;
 910
 911                 case LDAP_BACK_CFG_REBIND:
 912                 case LDAP_BACK_CFG_CHASE:
 913                 case LDAP_BACK_CFG_T_F:
 914                 case LDAP_BACK_CFG_WHOAMI:
 915                 case LDAP_BACK_CFG_CANCEL:
 916                         rc = 1;
 917                         break;
 918
 919                 case LDAP_BACK_CFG_TIMEOUT:
 920                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 921                                 li->li_timeout[ i ] = 0;
 922                         }
 923                         break;
 924
 925                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 926                         li->li_idle_timeout = 0;
 927                         break;
 928
 929                 case LDAP_BACK_CFG_CONN_TTL:
 930                         li->li_conn_ttl = 0;
 931                         break;
 932
 933                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
 934                         li->li_network_timeout = 0;
 935                         break;
 936
 937                 case LDAP_BACK_CFG_VERSION:
 938                         li->li_version = 0;
 939                         break;
 940
 941                 case LDAP_BACK_CFG_SINGLECONN:
 942                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
 943                         break;
 944
 945                 case LDAP_BACK_CFG_QUARANTINE:
 946                         if ( !LDAP_BACK_QUARANTINE( li ) ) {
 947                                 break;
 948                         }
 949
 950                         slap_retry_info_destroy( &li->li_quarantine );
 951                         li->li_isquarantined = 0;
 952                         break;
 953
 954                 default:
 955                         /* FIXME: we need to handle all... */
 956                         assert( 0 );
 957                         break;
 958                 }
 959                 return rc;
 960
 961         }
 962
 963         switch( c->type ) {
 964         case LDAP_BACK_CFG_URI: {
 965                 LDAPURLDesc     *tmpludp, *lud;
 966                 char            **urllist = NULL;
 967                 int             urlrc = LDAP_URL_SUCCESS, i;
 968
 969                 if ( li->li_uri != NULL ) {
 970                         ch_free( li->li_uri );
 971                         li->li_uri = NULL;
 972
 973                         assert( li->li_bvuri != NULL );
 974                         ber_bvarray_free( li->li_bvuri );
 975                         li->li_bvuri = NULL;
 976                 }
 977
 978                 /* PARANOID: DN and more are not required nor allowed */
 979                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t", LDAP_PVT_URL_PARSE_NONE );
 980                 if ( urlrc != LDAP_URL_SUCCESS ) {
 981                         char    *why;
 982
 983                         switch ( urlrc ) {
 984                         case LDAP_URL_ERR_MEM:
 985                                 why = "no memory";
 986                                 break;
 987                         case LDAP_URL_ERR_PARAM:
 988                                 why = "parameter is bad";
 989                                 break;
 990                         case LDAP_URL_ERR_BADSCHEME:
 991                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 992                                 break;
 993                         case LDAP_URL_ERR_BADENCLOSURE:
 994                                 why = "URL is missing trailing \">\"";
 995                                 break;
 996                         case LDAP_URL_ERR_BADURL:
 997                                 why = "URL is bad";
 998                                 break;
 999                         case LDAP_URL_ERR_BADHOST:
1000                                 why = "host/port is bad";
1001                                 break;
1002                         case LDAP_URL_ERR_BADATTRS:
1003                                 why = "bad (or missing) attributes";
1004                                 break;
1005                         case LDAP_URL_ERR_BADSCOPE:
1006                                 why = "scope string is invalid (or missing)";
1007                                 break;
1008                         case LDAP_URL_ERR_BADFILTER:
1009                                 why = "bad or missing filter";
1010                                 break;
1011                         case LDAP_URL_ERR_BADEXTS:
1012                                 why = "bad or missing extensions";
1013                                 break;
1014                         default:
1015                                 why = "unknown reason";
1016                                 break;
1017                         }
1018                         snprintf( c->msg, sizeof( c->msg),
1019                                         "unable to parse uri \"%s\" "
1020                                         "in \"uri <uri>\" line: %s",
1021                                         c->value_string, why );
1022                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1023                         urlrc = 1;
1024                         goto done_url;
1025                 }
1026
1027                 for ( i = 0, tmpludp = lud;
1028                                 tmpludp;
1029                                 i++, tmpludp = tmpludp->lud_next )
1030                 {
1031                         if ( ( tmpludp->lud_dn != NULL
1032                                                 && tmpludp->lud_dn[0] != '\0' )
1033                                         || tmpludp->lud_attrs != NULL
1034                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1035                                         || tmpludp->lud_filter != NULL
1036                                         || tmpludp->lud_exts != NULL )
1037                         {
1038                                 snprintf( c->msg, sizeof( c->msg ),
1039                                                 "warning, only protocol, "
1040                                                 "host and port allowed "
1041                                                 "in \"uri <uri>\" statement "
1042                                                 "for uri #%d of \"%s\"",
1043                                                 i, c->argv[ 1 ] );
1044                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1045                         }
1046                 }
1047
1048                 for ( i = 0, tmpludp = lud;
1049                                 tmpludp;
1050                                 i++, tmpludp = tmpludp->lud_next )
1051                         /* just count */
1052                         ;
1053                 urllist = ch_calloc( sizeof( char * ), i + 1 );
1054
1055                 for ( i = 0, tmpludp = lud;
1056                                 tmpludp;
1057                                 i++, tmpludp = tmpludp->lud_next )
1058                 {
1059                         LDAPURLDesc     tmplud;
1060
1061                         tmplud = *tmpludp;
1062                         tmplud.lud_dn = "";
1063                         tmplud.lud_attrs = NULL;
1064                         tmplud.lud_filter = NULL;
1065                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1066                                 tmplud.lud_exts = NULL;
1067                                 tmplud.lud_crit_exts = 0;
1068                         }
1069
1070                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
1071
1072                         if ( urllist[ i ] == NULL ) {
1073                                 snprintf( c->msg, sizeof( c->msg),
1074                                         "unable to rebuild uri "
1075                                         "in \"uri <uri>\" statement "
1076                                         "for \"%s\"",
1077                                         c->argv[ 1 ] );
1078                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1079                                 urlrc = 1;
1080                                 goto done_url;
1081                         }
1082                 }
1083
1084                 li->li_uri = ldap_charray2str( urllist, " " );
1085                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
1086                         struct berval   bv;
1087
1088                         ber_str2bv( urllist[ i ], 0, 0, &bv );
1089                         ber_bvarray_add( &li->li_bvuri, &bv );
1090                         urllist[ i ] = NULL;
1091                 }
1092                 ldap_memfree( urllist );
1093                 urllist = NULL;
1094
1095 done_url:;
1096                 if ( urllist ) {
1097                         ldap_charray_free( urllist );
1098                 }
1099                 if ( lud ) {
1100                         ldap_free_urllist( lud );
1101                 }
1102                 if ( urlrc != LDAP_URL_SUCCESS ) {
1103                         return 1;
1104                 }
1105                 break;
1106         }
1107
1108         case LDAP_BACK_CFG_TLS:
1109                 i = verb_to_mask( c->argv[1], tls_mode );
1110                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
1111                         return 1;
1112                 }
1113                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
1114                 li->li_flags |= tls_mode[i].mask;
1115                 break;
1116
1117         case LDAP_BACK_CFG_ACL_AUTHCDN:
1118                 switch ( li->li_acl_authmethod ) {
1119                 case LDAP_AUTH_NONE:
1120                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
1121                         break;
1122
1123                 case LDAP_AUTH_SIMPLE:
1124                         break;
1125
1126                 default:
1127                         snprintf( c->msg, sizeof( c->msg),
1128                                 "\"acl-authcDN <DN>\" incompatible "
1129                                 "with auth method %d",
1130                                 li->li_acl_authmethod );
1131                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1132                         return 1;
1133                 }
1134                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
1135                         free( li->li_acl_authcDN.bv_val );
1136                 }
1137                 ber_memfree_x( c->value_dn.bv_val, NULL );
1138                 li->li_acl_authcDN = c->value_ndn;
1139                 BER_BVZERO( &c->value_dn );
1140                 BER_BVZERO( &c->value_ndn );
1141                 break;
1142
1143         case LDAP_BACK_CFG_ACL_PASSWD:
1144                 switch ( li->li_acl_authmethod ) {
1145                 case LDAP_AUTH_NONE:
1146                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
1147                         break;
1148
1149                 case LDAP_AUTH_SIMPLE:
1150                         break;
1151
1152                 default:
1153                         snprintf( c->msg, sizeof( c->msg ),
1154                                 "\"acl-passwd <cred>\" incompatible "
1155                                 "with auth method %d",
1156                                 li->li_acl_authmethod );
1157                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1158                         return 1;
1159                 }
1160                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
1161                         free( li->li_acl_passwd.bv_val );
1162                 }
1163                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
1164                 break;
1165
1166         case LDAP_BACK_CFG_ACL_METHOD:
1167         case LDAP_BACK_CFG_ACL_BIND:
1168                 for ( i = 1; i < c->argc; i++ ) {
1169                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
1170                                 return 1;
1171                         }
1172                 }
1173                 break;
1174
1175         case LDAP_BACK_CFG_IDASSERT_MODE:
1176                 i = verb_to_mask( c->argv[1], idassert_mode );
1177                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
1178                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
1179                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1180                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
1181                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
1182
1183                         } else {
1184                                 struct berval   id, ndn;
1185
1186                                 ber_str2bv( c->argv[1], 0, 0, &id );
1187
1188                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1189                                         id.bv_val += STRLENOF( "dn:" );
1190                                         id.bv_len -= STRLENOF( "dn:" );
1191                                 }
1192
1193                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
1194                                 if ( rc != LDAP_SUCCESS ) {
1195                                         Debug( LDAP_DEBUG_ANY,
1196                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1197                                                 c->fname, c->lineno, c->argv[1] );
1198                                         return 1;
1199                                 }
1200
1201                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1202                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
1203                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1204                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
1205                                 ch_free( ndn.bv_val );
1206
1207                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1208                         }
1209
1210                 } else {
1211                         li->li_idassert_mode = idassert_mode[i].mask;
1212                 }
1213
1214                 if ( c->argc > 2 ) {
1215                         int     i;
1216
1217                         for ( i = 2; i < c->argc; i++ ) {
1218                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
1219                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1220
1221                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
1222                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1223
1224                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
1225                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1226
1227                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-proxy-authz" ) == 0 ) {
1228                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1229                                                 Debug( LDAP_DEBUG_ANY,
1230                                                         "%s: line %d: \"obsolete-proxy-authz\" flag "
1231                                                         "in \"idassert-mode <args>\" "
1232                                                         "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1233                                                         c->fname, c->lineno, 0 );
1234                                                 return 1;
1235                                         }
1236                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1237
1238                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-encoding-workaround" ) == 0 ) {
1239                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1240                                                 Debug( LDAP_DEBUG_ANY,
1241                                                         "%s: line %d: \"obsolete-encoding-workaround\" flag "
1242                                                         "in \"idassert-mode <args>\" "
1243                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1244                                                         c->fname, c->lineno, 0 );
1245                                                 return 1;
1246                                         }
1247                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1248
1249                                 } else {
1250                                         Debug( LDAP_DEBUG_ANY,
1251                                                 "%s: line %d: unknown flag #%d "
1252                                                 "in \"idassert-mode <args> "
1253                                                 "[<flags>]\" line.\n",
1254                                                 c->fname, c->lineno, i - 2 );
1255                                         return 1;
1256                                 }
1257                         }
1258                 }
1259                 break;
1260
1261         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1262                 switch ( li->li_idassert_authmethod ) {
1263                 case LDAP_AUTH_NONE:
1264                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1265                         break;
1266
1267                 case LDAP_AUTH_SIMPLE:
1268                         break;
1269
1270                 default:
1271                         snprintf( c->msg, sizeof( c->msg ),
1272                                 "\"idassert-authcDN <DN>\" incompatible "
1273                                 "with auth method %d",
1274                                 li->li_idassert_authmethod );
1275                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1276                         return 1;
1277                 }
1278                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1279                         free( li->li_idassert_authcDN.bv_val );
1280                 }
1281                 ber_memfree_x( c->value_dn.bv_val, NULL );
1282                 li->li_idassert_authcDN = c->value_ndn;
1283                 BER_BVZERO( &c->value_dn );
1284                 BER_BVZERO( &c->value_ndn );
1285                 break;
1286
1287         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1288                 switch ( li->li_idassert_authmethod ) {
1289                 case LDAP_AUTH_NONE:
1290                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1291                         break;
1292
1293                 case LDAP_AUTH_SIMPLE:
1294                         break;
1295
1296                 default:
1297                         snprintf( c->msg, sizeof( c->msg ),
1298                                 "\"idassert-passwd <cred>\" incompatible "
1299                                 "with auth method %d",
1300                                 li->li_idassert_authmethod );
1301                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1302                         return 1;
1303                 }
1304                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1305                         free( li->li_idassert_passwd.bv_val );
1306                 }
1307                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1308                 break;
1309
1310         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
1311                 struct berval   bv;
1312                 struct berval   in;
1313                 int             rc;
1314
1315                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
1316                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
1317                 if ( rc != LDAP_SUCCESS ) {
1318                         snprintf( c->msg, sizeof( c->msg ),
1319                                 "\"idassert-authzFrom <authz>\": "
1320                                 "invalid syntax" );
1321                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1322                         return 1;
1323                 }
1324                 ber_bvarray_add( &li->li_idassert_authz, &bv );
1325                 } break;
1326
1327         case LDAP_BACK_CFG_IDASSERT_METHOD:
1328                 /* no longer supported */
1329                 snprintf( c->msg, sizeof( c->msg ),
1330                         "\"idassert-method <args>\": "
1331                         "no longer supported; use \"idassert-bind\"" );
1332                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1333                 return 1;
1334
1335         case LDAP_BACK_CFG_IDASSERT_BIND:
1336                 for ( i = 1; i < c->argc; i++ ) {
1337                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1338                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1339                                 int     j;
1340
1341                                 j = verb_to_mask( argvi, idassert_mode );
1342                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1343                                         snprintf( c->msg, sizeof( c->msg ),
1344                                                 "\"idassert-bind <args>\": "
1345                                                 "unknown mode \"%s\"",
1346                                                 argvi );
1347                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1348                                         return 1;
1349                                 }
1350
1351                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1352
1353                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1354                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1355
1356                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1357                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1358                                                 snprintf( c->msg, sizeof( c->msg ),
1359                                                         "\"idassert-bind <args>\": "
1360                                                         "authz=\"native\" incompatible "
1361                                                         "with auth method" );
1362                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1363                                                 return 1;
1364                                         }
1365                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1366
1367                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1368                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1369
1370                                 } else {
1371                                         snprintf( c->msg, sizeof( c->msg ),
1372                                                 "\"idassert-bind <args>\": "
1373                                                 "unknown authz \"%s\"",
1374                                                 argvi );
1375                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1376                                         return 1;
1377                                 }
1378
1379                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1380                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1381                                 char    **flags = ldap_str2charray( argvi, "," );
1382                                 int     j, err = 0;
1383
1384                                 if ( flags == NULL ) {
1385                                         snprintf( c->msg, sizeof( c->msg ),
1386                                                 "\"idassert-bind <args>\": "
1387                                                 "unable to parse flags \"%s\"",
1388                                                 argvi );
1389                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1390                                         return 1;
1391                                 }
1392
1393                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1394
1395                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1396                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1397
1398                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1399                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1400
1401                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1402                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1403
1404                                         } else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
1405                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1406                                                         Debug( LDAP_DEBUG_ANY,
1407                                                                 "%s: line %d: \"obsolete-proxy-authz\" flag "
1408                                                                 "in \"idassert-mode <args>\" "
1409                                                                 "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1410                                                                 c->fname, c->lineno, 0 );
1411                                                         err = 1;
1412                                                         break;
1413
1414                                                 } else {
1415                                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1416                                                 }
1417
1418                                         } else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
1419                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1420                                                         Debug( LDAP_DEBUG_ANY,
1421                                                                 "%s: line %d: \"obsolete-encoding-workaround\" flag "
1422                                                                 "in \"idassert-mode <args>\" "
1423                                                                 "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1424                                                                 c->fname, c->lineno, 0 );
1425                                                         err = 1;
1426                                                         break;
1427
1428                                                 } else {
1429                                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1430                                                 }
1431
1432                                         } else {
1433                                                 snprintf( c->msg, sizeof( c->msg ),
1434                                                         "\"idassert-bind <args>\": "
1435                                                         "unknown flag \"%s\"",
1436                                                         flags[ j ] );
1437                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1438                                                 err = 1;
1439                                                 break;
1440                                         }
1441                                 }
1442
1443                                 ldap_charray_free( flags );
1444                                 if ( err ) {
1445                                         return 1;
1446                                 }
1447
1448                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1449                                 return 1;
1450                         }
1451                 }
1452                 break;
1453
1454         case LDAP_BACK_CFG_REBIND:
1455                 if ( c->argc == 1 || c->value_int ) {
1456                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1457
1458                 } else {
1459                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1460                 }
1461                 break;
1462
1463         case LDAP_BACK_CFG_CHASE:
1464                 if ( c->argc == 1 || c->value_int ) {
1465                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1466
1467                 } else {
1468                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1469                 }
1470                 break;
1471
1472         case LDAP_BACK_CFG_T_F: {
1473                 slap_mask_t             mask;
1474
1475                 i = verb_to_mask( c->argv[1], t_f_mode );
1476                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1477                         return 1;
1478                 }
1479
1480                 mask = t_f_mode[i].mask;
1481
1482                 if ( LDAP_BACK_ISOPEN( li )
1483                         && mask == LDAP_BACK_F_T_F_DISCOVER
1484                         && !LDAP_BACK_T_F( li ) )
1485                 {
1486                         int             rc;
1487
1488                         if ( li->li_uri == NULL ) {
1489                                 snprintf( c->msg, sizeof( c->msg ),
1490                                         "need URI to discover \"cancel\" support "
1491                                         "in \"cancel exop-discover\"" );
1492                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1493                                 return 1;
1494                         }
1495
1496                         rc = slap_discover_feature( li->li_uri, li->li_version,
1497                                         slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
1498                                         LDAP_FEATURE_ABSOLUTE_FILTERS );
1499                         if ( rc == LDAP_COMPARE_TRUE ) {
1500                                 mask |= LDAP_BACK_F_T_F;
1501                         }
1502                 }
1503
1504                 li->li_flags &= ~LDAP_BACK_F_T_F_MASK2;
1505                 li->li_flags |= mask;
1506                 } break;
1507
1508         case LDAP_BACK_CFG_WHOAMI:
1509                 if ( c->argc == 1 || c->value_int ) {
1510                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1511                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1512                                         0, ldap_back_exop_whoami );
1513
1514                 } else {
1515                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1516                 }
1517                 break;
1518
1519         case LDAP_BACK_CFG_TIMEOUT:
1520                 for ( i = 1; i < c->argc; i++ ) {
1521                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1522                                 int             j;
1523                                 unsigned        u;
1524
1525                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1526                                         return 1;
1527                                 }
1528
1529                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1530                                         li->li_timeout[ j ] = u;
1531                                 }
1532
1533                                 continue;
1534                         }
1535
1536                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1537                                 return 1;
1538                         }
1539                 }
1540                 break;
1541
1542         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1543                 unsigned long   t;
1544
1545                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1546                         snprintf( c->msg, sizeof( c->msg),
1547                                 "unable to parse idle timeout \"%s\"",
1548                                 c->argv[ 1 ] );
1549                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1550                         return 1;
1551                 }
1552                 li->li_idle_timeout = (time_t)t;
1553                 } break;
1554
1555         case LDAP_BACK_CFG_CONN_TTL: {
1556                 unsigned long   t;
1557
1558                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1559                         snprintf( c->msg, sizeof( c->msg),
1560                                 "unable to parse conn ttl\"%s\"",
1561                                 c->argv[ 1 ] );
1562                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1563                         return 1;
1564                 }
1565                 li->li_conn_ttl = (time_t)t;
1566                 } break;
1567
1568         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1569                 unsigned long   t;
1570
1571                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1572                         snprintf( c->msg, sizeof( c->msg),
1573                                 "unable to parse network timeout \"%s\"",
1574                                 c->argv[ 1 ] );
1575                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1576                         return 1;
1577                 }
1578                 li->li_network_timeout = (time_t)t;
1579                 } break;
1580
1581         case LDAP_BACK_CFG_VERSION:
1582                 if ( c->value_int != 0 && ( c->value_int < LDAP_VERSION_MIN || c->value_int > LDAP_VERSION_MAX ) ) {
1583                         snprintf( c->msg, sizeof( c->msg ),
1584                                 "unsupported version \"%s\" "
1585                                 "in \"protocol-version <version>\"",
1586                                 c->argv[ 1 ] );
1587                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1588                         return 1;
1589                 }
1590
1591                 li->li_version = c->value_int;
1592                 break;
1593
1594         case LDAP_BACK_CFG_SINGLECONN:
1595                 if ( c->value_int ) {
1596                         li->li_flags |= LDAP_BACK_F_SINGLECONN;
1597
1598                 } else {
1599                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1600                 }
1601                 break;
1602
1603         case LDAP_BACK_CFG_CANCEL: {
1604                 slap_mask_t             mask;
1605
1606                 i = verb_to_mask( c->argv[1], cancel_mode );
1607                 if ( BER_BVISNULL( &cancel_mode[i].word ) ) {
1608                         return 1;
1609                 }
1610
1611                 mask = cancel_mode[i].mask;
1612
1613                 if ( LDAP_BACK_ISOPEN( li )
1614                         && mask == LDAP_BACK_F_CANCEL_EXOP_DISCOVER
1615                         && !LDAP_BACK_CANCEL( li ) )
1616                 {
1617                         int             rc;
1618
1619                         if ( li->li_uri == NULL ) {
1620                                 snprintf( c->msg, sizeof( c->msg ),
1621                                         "need URI to discover \"cancel\" support "
1622                                         "in \"cancel exop-discover\"" );
1623                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1624                                 return 1;
1625                         }
1626
1627                         rc = slap_discover_feature( li->li_uri, li->li_version,
1628                                         slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
1629                                         LDAP_EXOP_CANCEL );
1630                         if ( rc == LDAP_COMPARE_TRUE ) {
1631                                 mask |= LDAP_BACK_F_CANCEL_EXOP;
1632                         }
1633                 }
1634
1635                 li->li_flags &= ~LDAP_BACK_F_CANCEL_MASK2;
1636                 li->li_flags |= mask;
1637                 } break;
1638
1639         case LDAP_BACK_CFG_QUARANTINE:
1640                 if ( LDAP_BACK_QUARANTINE( li ) ) {
1641                         snprintf( c->msg, sizeof( c->msg ),
1642                                 "quarantine already defined" );
1643                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1644                         return 1;
1645                 }
1646                 rc = slap_retry_info_parse( c->argv[1], &li->li_quarantine,
1647                         c->msg, sizeof( c->msg ) );
1648                 if ( rc ) {
1649                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1650                 }
1651                 /* give it a chance to retry if the pattern gets reset
1652                  * via back-config */
1653                 li->li_isquarantined = 0;
1654                 break;
1655
1656         case LDAP_BACK_CFG_REWRITE:
1657                 snprintf( c->msg, sizeof( c->msg ),
1658                         "rewrite/remap capabilities have been moved "
1659                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1660                         "for details (hint: add \"overlay rwm\" "
1661                         "and prefix all directives with \"rwm-\")" );
1662                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1663                 return 1;
1664
1665         default:
1666                 /* FIXME: try to catch inconsistencies */
1667                 assert( 0 );
1668                 break;
1669         }
1670
1671         return rc;
1672 }
1673
1674 int
1675 ldap_back_init_cf( BackendInfo *bi )
1676 {
1677         int                     rc;
1678         AttributeDescription    *ad = NULL;
1679         const char              *text;
1680
1681         /* Make sure we don't exceed the bits reserved for userland */
1682         config_check_userland( LDAP_BACK_CFG_LAST );
1683
1684         bi->bi_cf_ocs = ldapocs;
1685
1686         rc = config_register_schema( ldapcfg, ldapocs );
1687         if ( rc ) {
1688                 return rc;
1689         }
1690
1691         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1692          * to be base64-encoded when written in LDIF form;
1693          * basically, we don't care if it fails */
1694         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1695         if ( rc ) {
1696                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1697                         "warning, unable to get \"olcDbACLPasswd\" "
1698                         "attribute description: %d: %s\n",
1699                         rc, text, 0 );
1700         } else {
1701                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1702                         ad->ad_type->sat_oid );
1703         }
1704
1705         ad = NULL;
1706         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1707         if ( rc ) {
1708                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1709                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1710                         "attribute description: %d: %s\n",
1711                         rc, text, 0 );
1712         } else {
1713                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1714                         ad->ad_type->sat_oid );
1715         }
1716
1717         return 0;
1718 }
1719
1720
1721 static int
1722 ldap_back_exop_whoami(
1723                 Operation       *op,
1724                 SlapReply       *rs )
1725 {
1726         struct berval *bv = NULL;
1727
1728         if ( op->oq_extended.rs_reqdata != NULL ) {
1729                 /* no request data should be provided */
1730                 rs->sr_text = "no request data expected";
1731                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1732         }
1733
1734         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1735             op->o_log_prefix, 0, 0, 0, 0 );
1736
1737         rs->sr_err = backend_check_restrictions( op, rs,
1738                         (struct berval *)&slap_EXOP_WHOAMI );
1739         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1740
1741         /* if auth'd by back-ldap and request is proxied, forward it */
1742         if ( op->o_conn->c_authz_backend
1743                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1744                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1745         {
1746                 ldapconn_t      *lc;
1747                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1748                 LDAPMessage *res;
1749                 Operation op2 = *op;
1750                 ber_int_t msgid;
1751                 int doretry = 1;
1752                 char *ptr;
1753
1754                 ctrls[0] = &c;
1755                 op2.o_ndn = op->o_conn->c_ndn;
1756                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1757                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1758                         return -1;
1759                 }
1760                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1761                 c.ldctl_iscritical = 1;
1762                 c.ldctl_value.bv_val = op->o_tmpalloc(
1763                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1764                         op->o_tmpmemctx );
1765                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1766                 ptr = c.ldctl_value.bv_val;
1767                 ptr = lutil_strcopy( ptr, "dn:" );
1768                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1769                 ptr[ 0 ] = '\0';
1770
1771 retry:
1772                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1773                 if ( rs->sr_err == LDAP_SUCCESS ) {
1774                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1775                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1776                                         &rs->sr_err );
1777                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1778                                         doretry = 0;
1779                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1780                                                 goto retry;
1781                                         }
1782                                 }
1783
1784                         } else {
1785                                 /* NOTE: are we sure "bv" will be malloc'ed
1786                                  * with the appropriate memory? */
1787                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1788                                 ldap_msgfree(res);
1789                         }
1790                 }
1791                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1792                 if ( rs->sr_err != LDAP_SUCCESS ) {
1793                         rs->sr_err = slap_map_api2result( rs );
1794                 }
1795
1796                 if ( lc != NULL ) {
1797                         ldap_back_release_conn( &op2, rs, lc );
1798                 }
1799
1800         } else {
1801                 /* else just do the same as before */
1802                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1803                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1804                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1805                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1806                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1807                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1808                                 op->o_dn.bv_len );
1809                         bv->bv_val[ bv->bv_len ] = '\0';
1810
1811                 } else {
1812                         bv->bv_len = 0;
1813                         bv->bv_val = NULL;
1814                 }
1815         }
1816
1817         rs->sr_rspdata = bv;
1818         return rs->sr_err;
1819 }
1820
1821