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                 unsigned long   t;
 386                 char            *sep = strchr( retrylist[ i ], ',' );
 387
 388                 if ( sep == NULL ) {
 389                         snprintf( buf, buflen,
 390                                 "missing comma in retry pattern #%d \"%s\"",
 391                                 i, retrylist[ i ] );
 392                         rc = 1;
 393                         goto done;
 394                 }
 395
 396                 *sep++ = '\0';
 397
 398                 if ( lutil_parse_time( retrylist[ i ], &t ) ) {
 399                         snprintf( buf, buflen,
 400                                 "unable to parse interval #%d \"%s\"",
 401                                 i, retrylist[ i ] );
 402                         rc = 1;
 403                         goto done;
 404                 }
 405                 ri->ri_interval[ i ] = (time_t)t;
 406
 407                 if ( strcmp( sep, "+" ) == 0 ) {
 408                         if ( retrylist[ i + 1 ] != NULL ) {
 409                                 snprintf( buf, buflen,
 410                                         "extra cruft after retry pattern "
 411                                         "#%d \"%s,+\" with \"forever\" mark",
 412                                         i, retrylist[ i ] );
 413                                 rc = 1;
 414                                 goto done;
 415                         }
 416                         ri->ri_num[ i ] = SLAP_RETRYNUM_FOREVER;
 417
 418                 } else if ( lutil_atoi( &ri->ri_num[ i ], sep ) ) {
 419                         snprintf( buf, buflen,
 420                                 "unable to parse retry num #%d \"%s\"",
 421                                 i, sep );
 422                         rc = 1;
 423                         goto done;
 424                 }
 425         }
 426
 427         ri->ri_num[ i ] = SLAP_RETRYNUM_TAIL;
 428
 429         ri->ri_idx = 0;
 430         ri->ri_count = 0;
 431         ri->ri_last = (time_t)(-1);
 432
 433 done:;
 434         ldap_charray_free( retrylist );
 435
 436         if ( rc ) {
 437                 slap_retry_info_destroy( ri );
 438         }
 439
 440         return rc;
 441 }
 442
 443 int
 444 slap_retry_info_unparse(
 445         slap_retry_info_t       *ri,
 446         struct berval           *bvout )
 447 {
 448         int             i;
 449         char            buf[ BUFSIZ * 2 ],
 450                         *ptr = buf;
 451         struct berval   bv = BER_BVNULL;
 452
 453         assert( ri != NULL );
 454         assert( bvout != NULL );
 455
 456         BER_BVZERO( bvout );
 457
 458 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
 459
 460         for ( i = 0; ri->ri_num[ i ] != SLAP_RETRYNUM_TAIL; i++ ) {
 461                 if ( i > 0 ) {
 462                         if ( WHATSLEFT <= 1 ) {
 463                                 return 1;
 464                         }
 465                         *ptr++ = ';';
 466                 }
 467
 468                 if ( lutil_unparse_time( ptr, WHATSLEFT, (long)ri->ri_interval[i] ) ) {
 469                         return 1;
 470                 }
 471                 ptr += strlen( ptr );
 472
 473                 if ( WHATSLEFT <= 1 ) {
 474                         return 1;
 475                 }
 476                 *ptr++ = ',';
 477
 478                 if ( ri->ri_num[i] == SLAP_RETRYNUM_FOREVER ) {
 479                         if ( WHATSLEFT <= 1 ) {
 480                                 return 1;
 481                         }
 482                         *ptr++ = '+';
 483
 484                 } else {
 485                         ptr += snprintf( ptr, WHATSLEFT, "%d", ri->ri_num[i] );
 486                         if ( WHATSLEFT <= 0 ) {
 487                                 return 1;
 488                         }
 489                 }
 490         }
 491
 492         bv.bv_val = buf;
 493         bv.bv_len = ptr - buf;
 494
 495         ber_dupbv( bvout, &bv );
 496
 497         return 0;
 498 }
 499
 500 void
 501 slap_retry_info_destroy(
 502         slap_retry_info_t       *ri )
 503 {
 504         assert( ri != NULL );
 505
 506         assert( ri->ri_interval != NULL );
 507         ch_free( ri->ri_interval );
 508         ri->ri_interval = NULL;
 509
 510         assert( ri->ri_num != NULL );
 511         ch_free( ri->ri_num );
 512         ri->ri_num = NULL;
 513 }
 514
 515 static int
 516 slap_idassert_authzfrom_parse( ConfigArgs *c, slap_idassert_t *si )
 517 {
 518         struct berval   bv;
 519         struct berval   in;
 520         int             rc;
 521
 522         ber_str2bv( c->argv[ 1 ], 0, 0, &in );
 523         rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
 524         if ( rc != LDAP_SUCCESS ) {
 525                 snprintf( c->msg, sizeof( c->msg ),
 526                         "\"idassert-authzFrom <authz>\": "
 527                         "invalid syntax" );
 528                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 529                 return 1;
 530         }
 531         ber_bvarray_add( &si->si_authz, &bv );
 532
 533         return 0;
 534 }
 535
 536 static int
 537 slap_idassert_parse( ConfigArgs *c, slap_idassert_t *si )
 538 {
 539         int             i;
 540
 541         for ( i = 1; i < c->argc; i++ ) {
 542                 if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 543                         char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 544                         int     j;
 545
 546                         j = verb_to_mask( argvi, idassert_mode );
 547                         if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 548                                 snprintf( c->msg, sizeof( c->msg ),
 549                                         "\"idassert-bind <args>\": "
 550                                         "unknown mode \"%s\"",
 551                                         argvi );
 552                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 553                                 return 1;
 554                         }
 555
 556                         si->si_mode = idassert_mode[ j ].mask;
 557
 558                 } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 559                         char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 560
 561                         if ( strcasecmp( argvi, "native" ) == 0 ) {
 562                                 if ( si->si_bc.sb_method != LDAP_AUTH_SASL ) {
 563                                         snprintf( c->msg, sizeof( c->msg ),
 564                                                 "\"idassert-bind <args>\": "
 565                                                 "authz=\"native\" incompatible "
 566                                                 "with auth method" );
 567                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 568                                         return 1;
 569                                 }
 570                                 si->si_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 571
 572                         } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 573                                 si->si_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 574
 575                         } else {
 576                                 snprintf( c->msg, sizeof( c->msg ),
 577                                         "\"idassert-bind <args>\": "
 578                                         "unknown authz \"%s\"",
 579                                         argvi );
 580                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 581                                 return 1;
 582                         }
 583
 584                 } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
 585                         char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
 586                         char    **flags = ldap_str2charray( argvi, "," );
 587                         int     j, err = 0;
 588
 589                         if ( flags == NULL ) {
 590                                 snprintf( c->msg, sizeof( c->msg ),
 591                                         "\"idassert-bind <args>\": "
 592                                         "unable to parse flags \"%s\"",
 593                                         argvi );
 594                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 595                                 return 1;
 596                         }
 597
 598                         for ( j = 0; flags[ j ] != NULL; j++ ) {
 599
 600                                 if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
 601                                         si->si_flags |= LDAP_BACK_AUTH_OVERRIDE;
 602
 603                                 } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
 604                                         si->si_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 605
 606                                 } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
 607                                         si->si_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 608
 609                                 } else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
 610                                         if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 611                                                 Debug( LDAP_DEBUG_ANY,
 612                                                                 "%s: \"obsolete-proxy-authz\" flag "
 613                                                                 "in \"idassert-mode <args>\" "
 614                                                                 "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
 615                                                                 c->log, 0, 0 );
 616                                                 err = 1;
 617                                                 break;
 618
 619                                         } else {
 620                                                 si->si_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
 621                                         }
 622
 623                                 } else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
 624                                         if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 625                                                 Debug( LDAP_DEBUG_ANY,
 626                                                                 "%s: \"obsolete-encoding-workaround\" flag "
 627                                                         "in \"idassert-mode <args>\" "
 628                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
 629                                                         c->log, 0, 0 );
 630                                                 err = 1;
 631                                                 break;
 632
 633                                         } else {
 634                                                 si->si_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
 635                                         }
 636
 637                                 } else {
 638                                         snprintf( c->msg, sizeof( c->msg ),
 639                                                 "\"idassert-bind <args>\": "
 640                                                 "unknown flag \"%s\"",
 641                                                 flags[ j ] );
 642                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 643                                         err = 1;
 644                                         break;
 645                                 }
 646                         }
 647
 648                         ldap_charray_free( flags );
 649                         if ( err ) {
 650                                 return 1;
 651                         }
 652
 653                 } else if ( bindconf_parse( c->argv[ i ], &si->si_bc ) ) {
 654                         return 1;
 655                 }
 656         }
 657
 658         return 0;
 659 }
 660
 661 /* NOTE: temporary, until back-meta is ported to back-config */
 662 int
 663 slap_idassert_authzfrom_parse_cf( const char *fname, int lineno, const char *arg, slap_idassert_t *si )
 664 {
 665         ConfigArgs      c = { 0 };
 666         char            *argv[ 3 ];
 667
 668         snprintf( c.log, sizeof( c.log ), "%s: line %d", fname, lineno );
 669         c.argc = 2;
 670         c.argv = argv;
 671         argv[ 0 ] = "idassert-authzFrom";
 672         argv[ 1 ] = (char *)arg;
 673         argv[ 2 ] = NULL;
 674
 675         return slap_idassert_authzfrom_parse( &c, si );
 676 }
 677
 678 int
 679 slap_idassert_parse_cf( const char *fname, int lineno, int argc, char *argv[], slap_idassert_t *si )
 680 {
 681         ConfigArgs      c = { 0 };
 682
 683         snprintf( c.log, sizeof( c.log ), "%s: line %d", fname, lineno );
 684         c.argc = argc;
 685         c.argv = argv;
 686
 687         return slap_idassert_parse( &c, si );
 688 }
 689
 690 static int
 691 ldap_back_cf_gen( ConfigArgs *c )
 692 {
 693         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 694         int             rc = 0;
 695         int             i;
 696
 697         if ( c->op == SLAP_CONFIG_EMIT ) {
 698                 struct berval   bv = BER_BVNULL;
 699
 700                 if ( li == NULL ) {
 701                         return 1;
 702                 }
 703
 704                 switch( c->type ) {
 705                 case LDAP_BACK_CFG_URI:
 706                         if ( li->li_uri != NULL ) {
 707                                 struct berval   bv;
 708
 709                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 710                                 value_add_one( &c->rvalue_vals, &bv );
 711
 712                         } else {
 713                                 rc = 1;
 714                         }
 715                         break;
 716
 717                 case LDAP_BACK_CFG_TLS:
 718                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 719                         assert( !BER_BVISNULL( &bv ) );
 720                         value_add_one( &c->rvalue_vals, &bv );
 721                         break;
 722
 723                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 724                 case LDAP_BACK_CFG_ACL_PASSWD:
 725                 case LDAP_BACK_CFG_ACL_METHOD:
 726                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 727                         rc = 1;
 728                         break;
 729
 730                 case LDAP_BACK_CFG_ACL_BIND: {
 731                         int     i;
 732
 733                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 734                                 return 1;
 735                         }
 736
 737                         bindconf_unparse( &li->li_acl, &bv );
 738
 739                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 740                                 /* count spaces */ ;
 741
 742                         if ( i ) {
 743                                 bv.bv_len -= i;
 744                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 745                                         bv.bv_len + 1 );
 746                         }
 747
 748                         ber_bvarray_add( &c->rvalue_vals, &bv );
 749                         break;
 750                 }
 751
 752                 case LDAP_BACK_CFG_IDASSERT_MODE:
 753                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 754                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 755                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 756                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 757                         rc = 1;
 758                         break;
 759
 760                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 761                         int             i;
 762
 763                         if ( li->li_idassert_authz == NULL ) {
 764                                 rc = 1;
 765                                 break;
 766                         }
 767
 768                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 769                         {
 770                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 771                         }
 772                         break;
 773                 }
 774
 775                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 776                         int             i;
 777                         struct berval   bc = BER_BVNULL;
 778                         char            *ptr;
 779
 780                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 781                                 return 1;
 782                         }
 783
 784                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 785                                 ber_len_t       len;
 786
 787                                 switch ( li->li_idassert_mode ) {
 788                                 case LDAP_BACK_IDASSERT_OTHERID:
 789                                 case LDAP_BACK_IDASSERT_OTHERDN:
 790                                         break;
 791
 792                                 default: {
 793                                         struct berval   mode = BER_BVNULL;
 794
 795                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 796                                         if ( BER_BVISNULL( &mode ) ) {
 797                                                 /* there's something wrong... */
 798                                                 assert( 0 );
 799                                                 rc = 1;
 800
 801                                         } else {
 802                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 803                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 804
 805                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 806                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 807                                         }
 808                                         break;
 809                                 }
 810                                 }
 811
 812                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 813                                         len = bv.bv_len + STRLENOF( "authz=native" );
 814
 815                                         if ( !BER_BVISEMPTY( &bv ) ) {
 816                                                 len += STRLENOF( " " );
 817                                         }
 818
 819                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 820
 821                                         ptr = &bv.bv_val[ bv.bv_len ];
 822
 823                                         if ( !BER_BVISEMPTY( &bv ) ) {
 824                                                 ptr = lutil_strcopy( ptr, " " );
 825                                         }
 826
 827                                         (void)lutil_strcopy( ptr, "authz=native" );
 828                                 }
 829
 830                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override,obsolete-encoding-workaround" );
 831                                 /* flags */
 832                                 if ( !BER_BVISEMPTY( &bv ) ) {
 833                                         len += STRLENOF( " " );
 834                                 }
 835
 836                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 837
 838                                 ptr = &bv.bv_val[ bv.bv_len ];
 839
 840                                 if ( !BER_BVISEMPTY( &bv ) ) {
 841                                         ptr = lutil_strcopy( ptr, " " );
 842                                 }
 843
 844                                 ptr = lutil_strcopy( ptr, "flags=" );
 845
 846                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 847                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 848                                 } else {
 849                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 850                                 }
 851
 852                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 853                                         ptr = lutil_strcopy( ptr, ",override" );
 854                                 }
 855
 856                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 857                                         ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
 858
 859                                 } else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 860                                         ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
 861                                 }
 862
 863                                 bv.bv_len = ( ptr - bv.bv_val );
 864                                 /* end-of-flags */
 865                         }
 866
 867                         bindconf_unparse( &li->li_idassert.si_bc, &bc );
 868
 869                         if ( !BER_BVISNULL( &bv ) ) {
 870                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 871
 872                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 873
 874                                 assert( bc.bv_val[ 0 ] == ' ' );
 875
 876                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 877                                 free( bc.bv_val );
 878                                 bv.bv_len = ptr - bv.bv_val;
 879
 880                         } else {
 881                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 882                                         /* count spaces */ ;
 883
 884                                 if ( i ) {
 885                                         bc.bv_len -= i;
 886                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 887                                 }
 888
 889                                 bv = bc;
 890                         }
 891
 892                         ber_bvarray_add( &c->rvalue_vals, &bv );
 893
 894                         break;
 895                 }
 896
 897                 case LDAP_BACK_CFG_REBIND:
 898                         c->value_int = LDAP_BACK_SAVECRED( li );
 899                         break;
 900
 901                 case LDAP_BACK_CFG_CHASE:
 902                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 903                         break;
 904
 905                 case LDAP_BACK_CFG_T_F:
 906                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_T_F_MASK2), &bv );
 907                         if ( BER_BVISNULL( &bv ) ) {
 908                                 /* there's something wrong... */
 909                                 assert( 0 );
 910                                 rc = 1;
 911
 912                         } else {
 913                                 value_add_one( &c->rvalue_vals, &bv );
 914                         }
 915                         break;
 916
 917                 case LDAP_BACK_CFG_WHOAMI:
 918                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 919                         break;
 920
 921                 case LDAP_BACK_CFG_TIMEOUT:
 922                         BER_BVZERO( &bv );
 923
 924                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 925                                 if ( li->li_timeout[ i ] != 0 ) {
 926                                         break;
 927                                 }
 928                         }
 929
 930                         if ( i == LDAP_BACK_OP_LAST ) {
 931                                 return 1;
 932                         }
 933
 934                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 935
 936                         if ( BER_BVISNULL( &bv ) ) {
 937                                 return 1;
 938                         }
 939
 940                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 941                                 /* count spaces */ ;
 942
 943                         if ( i ) {
 944                                 bv.bv_len -= i;
 945                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 946                                         bv.bv_len + 1 );
 947                         }
 948
 949                         ber_bvarray_add( &c->rvalue_vals, &bv );
 950                         break;
 951
 952                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 953                         char    buf[ SLAP_TEXT_BUFLEN ];
 954
 955                         if ( li->li_idle_timeout == 0 ) {
 956                                 return 1;
 957                         }
 958
 959                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 960                         ber_str2bv( buf, 0, 0, &bv );
 961                         value_add_one( &c->rvalue_vals, &bv );
 962                         } break;
 963
 964                 case LDAP_BACK_CFG_CONN_TTL: {
 965                         char    buf[ SLAP_TEXT_BUFLEN ];
 966
 967                         if ( li->li_conn_ttl == 0 ) {
 968                                 return 1;
 969                         }
 970
 971                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 972                         ber_str2bv( buf, 0, 0, &bv );
 973                         value_add_one( &c->rvalue_vals, &bv );
 974                         } break;
 975
 976                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 977                         char    buf[ SLAP_TEXT_BUFLEN ];
 978
 979                         if ( li->li_network_timeout == 0 ) {
 980                                 return 1;
 981                         }
 982
 983                         snprintf( buf, sizeof( buf ), "%ld",
 984                                 (long)li->li_network_timeout );
 985                         ber_str2bv( buf, 0, 0, &bv );
 986                         value_add_one( &c->rvalue_vals, &bv );
 987                         } break;
 988
 989                 case LDAP_BACK_CFG_VERSION:
 990                         if ( li->li_version == 0 ) {
 991                                 return 1;
 992                         }
 993
 994                         c->value_int = li->li_version;
 995                         break;
 996
 997                 case LDAP_BACK_CFG_SINGLECONN:
 998                         c->value_int = LDAP_BACK_SINGLECONN( li );
 999                         break;
1000
1001                 case LDAP_BACK_CFG_CANCEL: {
1002                         slap_mask_t     mask = LDAP_BACK_F_CANCEL_MASK2;
1003
1004                         if ( LDAP_BACK_CANCEL_DISCOVER( li ) ) {
1005                                 mask &= ~LDAP_BACK_F_CANCEL_EXOP;
1006                         }
1007                         enum_to_verb( cancel_mode, (li->li_flags & mask), &bv );
1008                         if ( BER_BVISNULL( &bv ) ) {
1009                                 /* there's something wrong... */
1010                                 assert( 0 );
1011                                 rc = 1;
1012
1013                         } else {
1014                                 value_add_one( &c->rvalue_vals, &bv );
1015                         }
1016                         } break;
1017
1018                 case LDAP_BACK_CFG_QUARANTINE:
1019                         if ( !LDAP_BACK_QUARANTINE( li ) ) {
1020                                 rc = 1;
1021                                 break;
1022                         }
1023
1024                         rc = slap_retry_info_unparse( &li->li_quarantine, &bv );
1025                         if ( rc == 0 ) {
1026                                 ber_bvarray_add( &c->rvalue_vals, &bv );
1027                         }
1028                         break;
1029
1030                 default:
1031                         /* FIXME: we need to handle all... */
1032                         assert( 0 );
1033                         break;
1034                 }
1035                 return rc;
1036
1037         } else if ( c->op == LDAP_MOD_DELETE ) {
1038                 switch( c->type ) {
1039                 case LDAP_BACK_CFG_URI:
1040                         if ( li->li_uri != NULL ) {
1041                                 ch_free( li->li_uri );
1042                                 li->li_uri = NULL;
1043
1044                                 assert( li->li_bvuri != NULL );
1045                                 ber_bvarray_free( li->li_bvuri );
1046                                 li->li_bvuri = NULL;
1047                         }
1048
1049                         /* better cleanup the cached connections... */
1050                         /* NOTE: don't worry about locking: if we got here,
1051                          * other threads are suspended. */
1052                         if ( li->li_conninfo.lai_tree != NULL ) {
1053                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
1054                                 li->li_conninfo.lai_tree = NULL;
1055                         }
1056
1057                         break;
1058
1059                 case LDAP_BACK_CFG_TLS:
1060                         rc = 1;
1061                         break;
1062
1063                 case LDAP_BACK_CFG_ACL_AUTHCDN:
1064                 case LDAP_BACK_CFG_ACL_PASSWD:
1065                 case LDAP_BACK_CFG_ACL_METHOD:
1066                         /* handled by LDAP_BACK_CFG_ACL_BIND */
1067                         rc = 1;
1068                         break;
1069
1070                 case LDAP_BACK_CFG_ACL_BIND:
1071                         bindconf_free( &li->li_acl );
1072                         break;
1073
1074                 case LDAP_BACK_CFG_IDASSERT_MODE:
1075                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1076                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
1077                 case LDAP_BACK_CFG_IDASSERT_METHOD:
1078                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
1079                         rc = 1;
1080                         break;
1081
1082                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1083                         if ( li->li_idassert_authz != NULL ) {
1084                                 ber_bvarray_free( li->li_idassert_authz );
1085                                 li->li_idassert_authz = NULL;
1086                         }
1087                         break;
1088
1089                 case LDAP_BACK_CFG_IDASSERT_BIND:
1090                         bindconf_free( &li->li_idassert.si_bc );
1091                         break;
1092
1093                 case LDAP_BACK_CFG_REBIND:
1094                 case LDAP_BACK_CFG_CHASE:
1095                 case LDAP_BACK_CFG_T_F:
1096                 case LDAP_BACK_CFG_WHOAMI:
1097                 case LDAP_BACK_CFG_CANCEL:
1098                         rc = 1;
1099                         break;
1100
1101                 case LDAP_BACK_CFG_TIMEOUT:
1102                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
1103                                 li->li_timeout[ i ] = 0;
1104                         }
1105                         break;
1106
1107                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
1108                         li->li_idle_timeout = 0;
1109                         break;
1110
1111                 case LDAP_BACK_CFG_CONN_TTL:
1112                         li->li_conn_ttl = 0;
1113                         break;
1114
1115                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
1116                         li->li_network_timeout = 0;
1117                         break;
1118
1119                 case LDAP_BACK_CFG_VERSION:
1120                         li->li_version = 0;
1121                         break;
1122
1123                 case LDAP_BACK_CFG_SINGLECONN:
1124                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1125                         break;
1126
1127                 case LDAP_BACK_CFG_QUARANTINE:
1128                         if ( !LDAP_BACK_QUARANTINE( li ) ) {
1129                                 break;
1130                         }
1131
1132                         slap_retry_info_destroy( &li->li_quarantine );
1133                         ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
1134                         li->li_isquarantined = 0;
1135                         break;
1136
1137                 default:
1138                         /* FIXME: we need to handle all... */
1139                         assert( 0 );
1140                         break;
1141                 }
1142                 return rc;
1143
1144         }
1145
1146         switch( c->type ) {
1147         case LDAP_BACK_CFG_URI: {
1148                 LDAPURLDesc     *tmpludp, *lud;
1149                 char            **urllist = NULL;
1150                 int             urlrc = LDAP_URL_SUCCESS, i;
1151
1152                 if ( li->li_uri != NULL ) {
1153                         ch_free( li->li_uri );
1154                         li->li_uri = NULL;
1155
1156                         assert( li->li_bvuri != NULL );
1157                         ber_bvarray_free( li->li_bvuri );
1158                         li->li_bvuri = NULL;
1159                 }
1160
1161                 /* PARANOID: DN and more are not required nor allowed */
1162                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t", LDAP_PVT_URL_PARSE_NONE );
1163                 if ( urlrc != LDAP_URL_SUCCESS ) {
1164                         char    *why;
1165
1166                         switch ( urlrc ) {
1167                         case LDAP_URL_ERR_MEM:
1168                                 why = "no memory";
1169                                 break;
1170                         case LDAP_URL_ERR_PARAM:
1171                                 why = "parameter is bad";
1172                                 break;
1173                         case LDAP_URL_ERR_BADSCHEME:
1174                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
1175                                 break;
1176                         case LDAP_URL_ERR_BADENCLOSURE:
1177                                 why = "URL is missing trailing \">\"";
1178                                 break;
1179                         case LDAP_URL_ERR_BADURL:
1180                                 why = "URL is bad";
1181                                 break;
1182                         case LDAP_URL_ERR_BADHOST:
1183                                 why = "host/port is bad";
1184                                 break;
1185                         case LDAP_URL_ERR_BADATTRS:
1186                                 why = "bad (or missing) attributes";
1187                                 break;
1188                         case LDAP_URL_ERR_BADSCOPE:
1189                                 why = "scope string is invalid (or missing)";
1190                                 break;
1191                         case LDAP_URL_ERR_BADFILTER:
1192                                 why = "bad or missing filter";
1193                                 break;
1194                         case LDAP_URL_ERR_BADEXTS:
1195                                 why = "bad or missing extensions";
1196                                 break;
1197                         default:
1198                                 why = "unknown reason";
1199                                 break;
1200                         }
1201                         snprintf( c->msg, sizeof( c->msg),
1202                                         "unable to parse uri \"%s\" "
1203                                         "in \"uri <uri>\" line: %s",
1204                                         c->value_string, why );
1205                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1206                         urlrc = 1;
1207                         goto done_url;
1208                 }
1209
1210                 for ( i = 0, tmpludp = lud;
1211                                 tmpludp;
1212                                 i++, tmpludp = tmpludp->lud_next )
1213                 {
1214                         if ( ( tmpludp->lud_dn != NULL
1215                                                 && tmpludp->lud_dn[0] != '\0' )
1216                                         || tmpludp->lud_attrs != NULL
1217                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1218                                         || tmpludp->lud_filter != NULL
1219                                         || tmpludp->lud_exts != NULL )
1220                         {
1221                                 snprintf( c->msg, sizeof( c->msg ),
1222                                                 "warning, only protocol, "
1223                                                 "host and port allowed "
1224                                                 "in \"uri <uri>\" statement "
1225                                                 "for uri #%d of \"%s\"",
1226                                                 i, c->argv[ 1 ] );
1227                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1228                         }
1229                 }
1230
1231                 for ( i = 0, tmpludp = lud;
1232                                 tmpludp;
1233                                 i++, tmpludp = tmpludp->lud_next )
1234                         /* just count */
1235                         ;
1236                 urllist = ch_calloc( sizeof( char * ), i + 1 );
1237
1238                 for ( i = 0, tmpludp = lud;
1239                                 tmpludp;
1240                                 i++, tmpludp = tmpludp->lud_next )
1241                 {
1242                         LDAPURLDesc     tmplud;
1243
1244                         tmplud = *tmpludp;
1245                         tmplud.lud_dn = "";
1246                         tmplud.lud_attrs = NULL;
1247                         tmplud.lud_filter = NULL;
1248                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1249                                 tmplud.lud_exts = NULL;
1250                                 tmplud.lud_crit_exts = 0;
1251                         }
1252
1253                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
1254
1255                         if ( urllist[ i ] == NULL ) {
1256                                 snprintf( c->msg, sizeof( c->msg),
1257                                         "unable to rebuild uri "
1258                                         "in \"uri <uri>\" statement "
1259                                         "for \"%s\"",
1260                                         c->argv[ 1 ] );
1261                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1262                                 urlrc = 1;
1263                                 goto done_url;
1264                         }
1265                 }
1266
1267                 li->li_uri = ldap_charray2str( urllist, " " );
1268                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
1269                         struct berval   bv;
1270
1271                         ber_str2bv( urllist[ i ], 0, 0, &bv );
1272                         ber_bvarray_add( &li->li_bvuri, &bv );
1273                         urllist[ i ] = NULL;
1274                 }
1275                 ldap_memfree( urllist );
1276                 urllist = NULL;
1277
1278 done_url:;
1279                 if ( urllist ) {
1280                         ldap_charray_free( urllist );
1281                 }
1282                 if ( lud ) {
1283                         ldap_free_urllist( lud );
1284                 }
1285                 if ( urlrc != LDAP_URL_SUCCESS ) {
1286                         return 1;
1287                 }
1288                 break;
1289         }
1290
1291         case LDAP_BACK_CFG_TLS:
1292                 i = verb_to_mask( c->argv[1], tls_mode );
1293                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
1294                         return 1;
1295                 }
1296                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
1297                 li->li_flags |= tls_mode[i].mask;
1298                 break;
1299
1300         case LDAP_BACK_CFG_ACL_AUTHCDN:
1301                 switch ( li->li_acl_authmethod ) {
1302                 case LDAP_AUTH_NONE:
1303                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
1304                         break;
1305
1306                 case LDAP_AUTH_SIMPLE:
1307                         break;
1308
1309                 default:
1310                         snprintf( c->msg, sizeof( c->msg),
1311                                 "\"acl-authcDN <DN>\" incompatible "
1312                                 "with auth method %d",
1313                                 li->li_acl_authmethod );
1314                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1315                         return 1;
1316                 }
1317                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
1318                         free( li->li_acl_authcDN.bv_val );
1319                 }
1320                 ber_memfree_x( c->value_dn.bv_val, NULL );
1321                 li->li_acl_authcDN = c->value_ndn;
1322                 BER_BVZERO( &c->value_dn );
1323                 BER_BVZERO( &c->value_ndn );
1324                 break;
1325
1326         case LDAP_BACK_CFG_ACL_PASSWD:
1327                 switch ( li->li_acl_authmethod ) {
1328                 case LDAP_AUTH_NONE:
1329                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
1330                         break;
1331
1332                 case LDAP_AUTH_SIMPLE:
1333                         break;
1334
1335                 default:
1336                         snprintf( c->msg, sizeof( c->msg ),
1337                                 "\"acl-passwd <cred>\" incompatible "
1338                                 "with auth method %d",
1339                                 li->li_acl_authmethod );
1340                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1341                         return 1;
1342                 }
1343                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
1344                         free( li->li_acl_passwd.bv_val );
1345                 }
1346                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
1347                 break;
1348
1349         case LDAP_BACK_CFG_ACL_METHOD:
1350         case LDAP_BACK_CFG_ACL_BIND:
1351                 for ( i = 1; i < c->argc; i++ ) {
1352                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
1353                                 return 1;
1354                         }
1355                 }
1356                 break;
1357
1358         case LDAP_BACK_CFG_IDASSERT_MODE:
1359                 i = verb_to_mask( c->argv[1], idassert_mode );
1360                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
1361                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
1362                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1363                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
1364                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
1365
1366                         } else {
1367                                 struct berval   id, ndn;
1368
1369                                 ber_str2bv( c->argv[1], 0, 0, &id );
1370
1371                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1372                                         id.bv_val += STRLENOF( "dn:" );
1373                                         id.bv_len -= STRLENOF( "dn:" );
1374                                 }
1375
1376                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
1377                                 if ( rc != LDAP_SUCCESS ) {
1378                                         Debug( LDAP_DEBUG_ANY,
1379                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1380                                                 c->fname, c->lineno, c->argv[1] );
1381                                         return 1;
1382                                 }
1383
1384                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1385                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
1386                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1387                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
1388                                 ch_free( ndn.bv_val );
1389
1390                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1391                         }
1392
1393                 } else {
1394                         li->li_idassert_mode = idassert_mode[i].mask;
1395                 }
1396
1397                 if ( c->argc > 2 ) {
1398                         int     i;
1399
1400                         for ( i = 2; i < c->argc; i++ ) {
1401                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
1402                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1403
1404                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
1405                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1406
1407                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
1408                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1409
1410                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-proxy-authz" ) == 0 ) {
1411                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1412                                                 Debug( LDAP_DEBUG_ANY,
1413                                                         "%s: line %d: \"obsolete-proxy-authz\" flag "
1414                                                         "in \"idassert-mode <args>\" "
1415                                                         "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1416                                                         c->fname, c->lineno, 0 );
1417                                                 return 1;
1418                                         }
1419                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1420
1421                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-encoding-workaround" ) == 0 ) {
1422                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1423                                                 Debug( LDAP_DEBUG_ANY,
1424                                                         "%s: line %d: \"obsolete-encoding-workaround\" flag "
1425                                                         "in \"idassert-mode <args>\" "
1426                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1427                                                         c->fname, c->lineno, 0 );
1428                                                 return 1;
1429                                         }
1430                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1431
1432                                 } else {
1433                                         Debug( LDAP_DEBUG_ANY,
1434                                                 "%s: line %d: unknown flag #%d "
1435                                                 "in \"idassert-mode <args> "
1436                                                 "[<flags>]\" line.\n",
1437                                                 c->fname, c->lineno, i - 2 );
1438                                         return 1;
1439                                 }
1440                         }
1441                 }
1442                 break;
1443
1444         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1445                 switch ( li->li_idassert_authmethod ) {
1446                 case LDAP_AUTH_NONE:
1447                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1448                         break;
1449
1450                 case LDAP_AUTH_SIMPLE:
1451                         break;
1452
1453                 default:
1454                         snprintf( c->msg, sizeof( c->msg ),
1455                                 "\"idassert-authcDN <DN>\" incompatible "
1456                                 "with auth method %d",
1457                                 li->li_idassert_authmethod );
1458                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1459                         return 1;
1460                 }
1461                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1462                         free( li->li_idassert_authcDN.bv_val );
1463                 }
1464                 ber_memfree_x( c->value_dn.bv_val, NULL );
1465                 li->li_idassert_authcDN = c->value_ndn;
1466                 BER_BVZERO( &c->value_dn );
1467                 BER_BVZERO( &c->value_ndn );
1468                 break;
1469
1470         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1471                 switch ( li->li_idassert_authmethod ) {
1472                 case LDAP_AUTH_NONE:
1473                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1474                         break;
1475
1476                 case LDAP_AUTH_SIMPLE:
1477                         break;
1478
1479                 default:
1480                         snprintf( c->msg, sizeof( c->msg ),
1481                                 "\"idassert-passwd <cred>\" incompatible "
1482                                 "with auth method %d",
1483                                 li->li_idassert_authmethod );
1484                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1485                         return 1;
1486                 }
1487                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1488                         free( li->li_idassert_passwd.bv_val );
1489                 }
1490                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1491                 break;
1492
1493         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1494                 rc = slap_idassert_authzfrom_parse( c, &li->li_idassert );
1495                 break;
1496
1497         case LDAP_BACK_CFG_IDASSERT_METHOD:
1498                 /* no longer supported */
1499                 snprintf( c->msg, sizeof( c->msg ),
1500                         "\"idassert-method <args>\": "
1501                         "no longer supported; use \"idassert-bind\"" );
1502                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1503                 return 1;
1504
1505         case LDAP_BACK_CFG_IDASSERT_BIND:
1506                 rc = slap_idassert_parse( c, &li->li_idassert );
1507                 break;
1508
1509         case LDAP_BACK_CFG_REBIND:
1510                 if ( c->argc == 1 || c->value_int ) {
1511                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1512
1513                 } else {
1514                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1515                 }
1516                 break;
1517
1518         case LDAP_BACK_CFG_CHASE:
1519                 if ( c->argc == 1 || c->value_int ) {
1520                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1521
1522                 } else {
1523                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1524                 }
1525                 break;
1526
1527         case LDAP_BACK_CFG_T_F: {
1528                 slap_mask_t             mask;
1529
1530                 i = verb_to_mask( c->argv[1], t_f_mode );
1531                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1532                         return 1;
1533                 }
1534
1535                 mask = t_f_mode[i].mask;
1536
1537                 if ( LDAP_BACK_ISOPEN( li )
1538                         && mask == LDAP_BACK_F_T_F_DISCOVER
1539                         && !LDAP_BACK_T_F( li ) )
1540                 {
1541                         int             rc;
1542
1543                         if ( li->li_uri == NULL ) {
1544                                 snprintf( c->msg, sizeof( c->msg ),
1545                                         "need URI to discover \"cancel\" support "
1546                                         "in \"cancel exop-discover\"" );
1547                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1548                                 return 1;
1549                         }
1550
1551                         rc = slap_discover_feature( li->li_uri, li->li_version,
1552                                         slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
1553                                         LDAP_FEATURE_ABSOLUTE_FILTERS );
1554                         if ( rc == LDAP_COMPARE_TRUE ) {
1555                                 mask |= LDAP_BACK_F_T_F;
1556                         }
1557                 }
1558
1559                 li->li_flags &= ~LDAP_BACK_F_T_F_MASK2;
1560                 li->li_flags |= mask;
1561                 } break;
1562
1563         case LDAP_BACK_CFG_WHOAMI:
1564                 if ( c->argc == 1 || c->value_int ) {
1565                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1566                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1567                                         0, ldap_back_exop_whoami );
1568
1569                 } else {
1570                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1571                 }
1572                 break;
1573
1574         case LDAP_BACK_CFG_TIMEOUT:
1575                 for ( i = 1; i < c->argc; i++ ) {
1576                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1577                                 int             j;
1578                                 unsigned        u;
1579
1580                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1581                                         return 1;
1582                                 }
1583
1584                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1585                                         li->li_timeout[ j ] = u;
1586                                 }
1587
1588                                 continue;
1589                         }
1590
1591                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1592                                 return 1;
1593                         }
1594                 }
1595                 break;
1596
1597         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1598                 unsigned long   t;
1599
1600                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1601                         snprintf( c->msg, sizeof( c->msg),
1602                                 "unable to parse idle timeout \"%s\"",
1603                                 c->argv[ 1 ] );
1604                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1605                         return 1;
1606                 }
1607                 li->li_idle_timeout = (time_t)t;
1608                 } break;
1609
1610         case LDAP_BACK_CFG_CONN_TTL: {
1611                 unsigned long   t;
1612
1613                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1614                         snprintf( c->msg, sizeof( c->msg),
1615                                 "unable to parse conn ttl\"%s\"",
1616                                 c->argv[ 1 ] );
1617                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1618                         return 1;
1619                 }
1620                 li->li_conn_ttl = (time_t)t;
1621                 } break;
1622
1623         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1624                 unsigned long   t;
1625
1626                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1627                         snprintf( c->msg, sizeof( c->msg),
1628                                 "unable to parse network timeout \"%s\"",
1629                                 c->argv[ 1 ] );
1630                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1631                         return 1;
1632                 }
1633                 li->li_network_timeout = (time_t)t;
1634                 } break;
1635
1636         case LDAP_BACK_CFG_VERSION:
1637                 if ( c->value_int != 0 && ( c->value_int < LDAP_VERSION_MIN || c->value_int > LDAP_VERSION_MAX ) ) {
1638                         snprintf( c->msg, sizeof( c->msg ),
1639                                 "unsupported version \"%s\" "
1640                                 "in \"protocol-version <version>\"",
1641                                 c->argv[ 1 ] );
1642                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1643                         return 1;
1644                 }
1645
1646                 li->li_version = c->value_int;
1647                 break;
1648
1649         case LDAP_BACK_CFG_SINGLECONN:
1650                 if ( c->value_int ) {
1651                         li->li_flags |= LDAP_BACK_F_SINGLECONN;
1652
1653                 } else {
1654                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1655                 }
1656                 break;
1657
1658         case LDAP_BACK_CFG_CANCEL: {
1659                 slap_mask_t             mask;
1660
1661                 i = verb_to_mask( c->argv[1], cancel_mode );
1662                 if ( BER_BVISNULL( &cancel_mode[i].word ) ) {
1663                         return 1;
1664                 }
1665
1666                 mask = cancel_mode[i].mask;
1667
1668                 if ( LDAP_BACK_ISOPEN( li )
1669                         && mask == LDAP_BACK_F_CANCEL_EXOP_DISCOVER
1670                         && !LDAP_BACK_CANCEL( li ) )
1671                 {
1672                         int             rc;
1673
1674                         if ( li->li_uri == NULL ) {
1675                                 snprintf( c->msg, sizeof( c->msg ),
1676                                         "need URI to discover \"cancel\" support "
1677                                         "in \"cancel exop-discover\"" );
1678                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1679                                 return 1;
1680                         }
1681
1682                         rc = slap_discover_feature( li->li_uri, li->li_version,
1683                                         slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
1684                                         LDAP_EXOP_CANCEL );
1685                         if ( rc == LDAP_COMPARE_TRUE ) {
1686                                 mask |= LDAP_BACK_F_CANCEL_EXOP;
1687                         }
1688                 }
1689
1690                 li->li_flags &= ~LDAP_BACK_F_CANCEL_MASK2;
1691                 li->li_flags |= mask;
1692                 } break;
1693
1694         case LDAP_BACK_CFG_QUARANTINE:
1695                 if ( LDAP_BACK_QUARANTINE( li ) ) {
1696                         snprintf( c->msg, sizeof( c->msg ),
1697                                 "quarantine already defined" );
1698                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1699                         return 1;
1700                 }
1701                 rc = slap_retry_info_parse( c->argv[1], &li->li_quarantine,
1702                         c->msg, sizeof( c->msg ) );
1703                 if ( rc ) {
1704                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1705
1706                 } else {
1707                         ldap_pvt_thread_mutex_init( &li->li_quarantine_mutex );
1708                         /* give it a chance to retry if the pattern gets reset
1709                          * via back-config */
1710                         li->li_isquarantined = 0;
1711                 }
1712                 break;
1713
1714         case LDAP_BACK_CFG_REWRITE:
1715                 snprintf( c->msg, sizeof( c->msg ),
1716                         "rewrite/remap capabilities have been moved "
1717                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1718                         "for details (hint: add \"overlay rwm\" "
1719                         "and prefix all directives with \"rwm-\")" );
1720                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1721                 return 1;
1722
1723         default:
1724                 /* FIXME: try to catch inconsistencies */
1725                 assert( 0 );
1726                 break;
1727         }
1728
1729         return rc;
1730 }
1731
1732 int
1733 ldap_back_init_cf( BackendInfo *bi )
1734 {
1735         int                     rc;
1736         AttributeDescription    *ad = NULL;
1737         const char              *text;
1738
1739         /* Make sure we don't exceed the bits reserved for userland */
1740         config_check_userland( LDAP_BACK_CFG_LAST );
1741
1742         bi->bi_cf_ocs = ldapocs;
1743
1744         rc = config_register_schema( ldapcfg, ldapocs );
1745         if ( rc ) {
1746                 return rc;
1747         }
1748
1749         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1750          * to be base64-encoded when written in LDIF form;
1751          * basically, we don't care if it fails */
1752         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1753         if ( rc ) {
1754                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1755                         "warning, unable to get \"olcDbACLPasswd\" "
1756                         "attribute description: %d: %s\n",
1757                         rc, text, 0 );
1758         } else {
1759                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1760                         ad->ad_type->sat_oid );
1761         }
1762
1763         ad = NULL;
1764         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1765         if ( rc ) {
1766                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1767                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1768                         "attribute description: %d: %s\n",
1769                         rc, text, 0 );
1770         } else {
1771                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1772                         ad->ad_type->sat_oid );
1773         }
1774
1775         return 0;
1776 }
1777
1778
1779 static int
1780 ldap_back_exop_whoami(
1781                 Operation       *op,
1782                 SlapReply       *rs )
1783 {
1784         struct berval *bv = NULL;
1785
1786         if ( op->oq_extended.rs_reqdata != NULL ) {
1787                 /* no request data should be provided */
1788                 rs->sr_text = "no request data expected";
1789                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1790         }
1791
1792         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1793             op->o_log_prefix, 0, 0, 0, 0 );
1794
1795         rs->sr_err = backend_check_restrictions( op, rs,
1796                         (struct berval *)&slap_EXOP_WHOAMI );
1797         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1798
1799         /* if auth'd by back-ldap and request is proxied, forward it */
1800         if ( op->o_conn->c_authz_backend
1801                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1802                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1803         {
1804                 ldapconn_t      *lc;
1805                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1806                 LDAPMessage *res;
1807                 Operation op2 = *op;
1808                 ber_int_t msgid;
1809                 int doretry = 1;
1810                 char *ptr;
1811
1812                 ctrls[0] = &c;
1813                 op2.o_ndn = op->o_conn->c_ndn;
1814                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1815                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1816                         return -1;
1817                 }
1818                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1819                 c.ldctl_iscritical = 1;
1820                 c.ldctl_value.bv_val = op->o_tmpalloc(
1821                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1822                         op->o_tmpmemctx );
1823                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1824                 ptr = c.ldctl_value.bv_val;
1825                 ptr = lutil_strcopy( ptr, "dn:" );
1826                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1827                 ptr[ 0 ] = '\0';
1828
1829 retry:
1830                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1831                 if ( rs->sr_err == LDAP_SUCCESS ) {
1832                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1833                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1834                                         &rs->sr_err );
1835                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1836                                         doretry = 0;
1837                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1838                                                 goto retry;
1839                                         }
1840                                 }
1841
1842                         } else {
1843                                 /* NOTE: are we sure "bv" will be malloc'ed
1844                                  * with the appropriate memory? */
1845                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1846                                 ldap_msgfree(res);
1847                         }
1848                 }
1849                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1850                 if ( rs->sr_err != LDAP_SUCCESS ) {
1851                         rs->sr_err = slap_map_api2result( rs );
1852                 }
1853
1854                 if ( lc != NULL ) {
1855                         ldap_back_release_conn( &op2, rs, lc );
1856                 }
1857
1858         } else {
1859                 /* else just do the same as before */
1860                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1861                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1862                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1863                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1864                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1865                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1866                                 op->o_dn.bv_len );
1867                         bv->bv_val[ bv->bv_len ] = '\0';
1868
1869                 } else {
1870                         bv->bv_len = 0;
1871                         bv->bv_val = NULL;
1872                 }
1873         }
1874
1875         rs->sr_rspdata = bv;
1876         return rs->sr_err;
1877 }
1878
1879