git.sur5r.net Git - openldap/blob - contrib/slapd-modules/smbk5pwd/smbk5pwd.c

   1 /* smbk5pwd.c - Overlay for managing Samba and Heimdal passwords */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2004-2011 The OpenLDAP Foundation.
   6  * Portions Copyright 2004-2005 by Howard Chu, Symas Corp.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * Support for table-driven configuration added by Pierangelo Masarati.
  19  * Support for sambaPwdMustChange and sambaPwdCanChange added by Marco D'Ettorre.
  20  * Support for shadowLastChange added by SATOH Fumiyasu @ OSS Technology, Inc.
  21  */
  22
  23 #include <portable.h>
  24
  25 #ifndef SLAPD_OVER_SMBK5PWD
  26 #define SLAPD_OVER_SMBK5PWD SLAPD_MOD_DYNAMIC
  27 #endif
  28
  29 #ifdef SLAPD_OVER_SMBK5PWD
  30
  31 #include <slap.h>
  32 #include <ac/errno.h>
  33 #include <ac/string.h>
  34
  35 #include "config.h"
  36
  37 #ifdef DO_KRB5
  38 #include <lber.h>
  39 #include <lber_pvt.h>
  40 #include <lutil.h>
  41
  42 /* make ASN1_MALLOC_ENCODE use our allocator */
  43 #define malloc  ch_malloc
  44
  45 #include <krb5.h>
  46 #include <kadm5/admin.h>
  47 #include <hdb.h>
  48
  49 #ifndef HDB_INTERFACE_VERSION
  50 #define HDB_MASTER_KEY_SET      master_key_set
  51 #else
  52 #define HDB_MASTER_KEY_SET      hdb_master_key_set
  53 #endif
  54
  55 static krb5_context context;
  56 static void *kadm_context;
  57 static kadm5_config_params conf;
  58 static HDB *db;
  59
  60 static AttributeDescription *ad_krb5Key;
  61 static AttributeDescription *ad_krb5KeyVersionNumber;
  62 static AttributeDescription *ad_krb5PrincipalName;
  63 static AttributeDescription *ad_krb5ValidEnd;
  64 static ObjectClass *oc_krb5KDCEntry;
  65 #endif
  66
  67 #ifdef DO_SAMBA
  68 #ifdef HAVE_GNUTLS
  69 #include <gcrypt.h>
  70 typedef unsigned char DES_cblock[8];
  71 #else
  72 #include <openssl/des.h>
  73 #include <openssl/md4.h>
  74 #endif
  75 #include "ldap_utf8.h"
  76
  77 static AttributeDescription *ad_sambaLMPassword;
  78 static AttributeDescription *ad_sambaNTPassword;
  79 static AttributeDescription *ad_sambaPwdLastSet;
  80 static AttributeDescription *ad_sambaPwdMustChange;
  81 static AttributeDescription *ad_sambaPwdCanChange;
  82 static ObjectClass *oc_sambaSamAccount;
  83 #endif
  84
  85 #ifdef DO_SHADOW
  86 static AttributeDescription *ad_shadowLastChange;
  87 static ObjectClass *oc_shadowAccount;
  88 #endif
  89
  90 /* Per-instance configuration information */
  91 typedef struct smbk5pwd_t {
  92         unsigned        mode;
  93 #define SMBK5PWD_F_KRB5         (0x1U)
  94 #define SMBK5PWD_F_SAMBA        (0x2U)
  95 #define SMBK5PWD_F_SHADOW       (0x4U)
  96
  97 #define SMBK5PWD_DO_KRB5(pi)    ((pi)->mode & SMBK5PWD_F_KRB5)
  98 #define SMBK5PWD_DO_SAMBA(pi)   ((pi)->mode & SMBK5PWD_F_SAMBA)
  99 #define SMBK5PWD_DO_SHADOW(pi)  ((pi)->mode & SMBK5PWD_F_SHADOW)
 100
 101 #ifdef DO_KRB5
 102         /* nothing yet */
 103 #endif
 104
 105 #ifdef DO_SAMBA
 106         /* How many seconds before forcing a password change? */
 107         time_t  smb_must_change;
 108         /* How many seconds after allowing a password change? */
 109         time_t  smb_can_change;
 110 #endif
 111
 112 #ifdef DO_SHADOW
 113         /* nothing yet */
 114 #endif
 115 } smbk5pwd_t;
 116
 117 static const unsigned SMBK5PWD_F_ALL    =
 118         0
 119 #ifdef DO_KRB5
 120         | SMBK5PWD_F_KRB5
 121 #endif
 122 #ifdef DO_SAMBA
 123         | SMBK5PWD_F_SAMBA
 124 #endif
 125 #ifdef DO_SHADOW
 126         | SMBK5PWD_F_SHADOW
 127 #endif
 128 ;
 129
 130 static int smbk5pwd_modules_init( smbk5pwd_t *pi );
 131
 132 #ifdef DO_SAMBA
 133 static const char hex[] = "0123456789abcdef";
 134
 135 /* From liblutil/passwd.c... */
 136 static void lmPasswd_to_key(
 137         const char *lmPasswd,
 138         DES_cblock *key)
 139 {
 140         const unsigned char *lpw = (const unsigned char *)lmPasswd;
 141         unsigned char *k = (unsigned char *)key;
 142
 143         /* make room for parity bits */
 144         k[0] = lpw[0];
 145         k[1] = ((lpw[0]&0x01)<<7) | (lpw[1]>>1);
 146         k[2] = ((lpw[1]&0x03)<<6) | (lpw[2]>>2);
 147         k[3] = ((lpw[2]&0x07)<<5) | (lpw[3]>>3);
 148         k[4] = ((lpw[3]&0x0F)<<4) | (lpw[4]>>4);
 149         k[5] = ((lpw[4]&0x1F)<<3) | (lpw[5]>>5);
 150         k[6] = ((lpw[5]&0x3F)<<2) | (lpw[6]>>6);
 151         k[7] = ((lpw[6]&0x7F)<<1);
 152
 153 #ifdef HAVE_OPENSSL
 154         des_set_odd_parity( key );
 155 #endif
 156 }
 157
 158 #define MAX_PWLEN 256
 159 #define HASHLEN 16
 160
 161 static void hexify(
 162         const char in[HASHLEN],
 163         struct berval *out
 164 )
 165 {
 166         int i;
 167         char *a;
 168         unsigned char *b;
 169
 170         out->bv_val = ch_malloc(HASHLEN*2 + 1);
 171         out->bv_len = HASHLEN*2;
 172
 173         a = out->bv_val;
 174         b = (unsigned char *)in;
 175         for (i=0; i<HASHLEN; i++) {
 176                 *a++ = hex[*b >> 4];
 177                 *a++ = hex[*b++ & 0x0f];
 178         }
 179         *a++ = '\0';
 180 }
 181
 182 static void lmhash(
 183         struct berval *passwd,
 184         struct berval *hash
 185 )
 186 {
 187         char UcasePassword[15];
 188         DES_cblock key;
 189         DES_cblock StdText = "KGS!@#$%";
 190         DES_cblock hbuf[2];
 191 #ifdef HAVE_OPENSSL
 192         DES_key_schedule schedule;
 193 #elif defined(HAVE_GNUTLS)
 194         gcry_cipher_hd_t h = NULL;
 195         gcry_error_t err;
 196
 197         err = gcry_cipher_open( &h, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_CBC, 0 );
 198         if ( err ) return;
 199 #endif
 200
 201         strncpy( UcasePassword, passwd->bv_val, 14 );
 202         UcasePassword[14] = '\0';
 203         ldap_pvt_str2upper( UcasePassword );
 204
 205         lmPasswd_to_key( UcasePassword, &key );
 206 #ifdef HAVE_GNUTLS
 207         err = gcry_cipher_setkey( h, &key, sizeof(key) );
 208         if ( err == 0 ) {
 209                 err = gcry_cipher_encrypt( h, &hbuf[0], sizeof(key), &StdText, sizeof(key) );
 210                 if ( err == 0 ) {
 211                         gcry_cipher_reset( h );
 212                         lmPasswd_to_key( &UcasePassword[7], &key );
 213                         err = gcry_cipher_setkey( h, &key, sizeof(key) );
 214                         if ( err == 0 ) {
 215                                 err = gcry_cipher_encrypt( h, &hbuf[1], sizeof(key), &StdText, sizeof(key) );
 216                         }
 217                 }
 218                 gcry_cipher_close( h );
 219         }
 220 #elif defined(HAVE_OPENSSL)
 221         des_set_key_unchecked( &key, schedule );
 222         des_ecb_encrypt( &StdText, &hbuf[0], schedule , DES_ENCRYPT );
 223
 224         lmPasswd_to_key( &UcasePassword[7], &key );
 225         des_set_key_unchecked( &key, schedule );
 226         des_ecb_encrypt( &StdText, &hbuf[1], schedule , DES_ENCRYPT );
 227 #endif
 228
 229         hexify( (char *)hbuf, hash );
 230 }
 231
 232 static void nthash(
 233         struct berval *passwd,
 234         struct berval *hash
 235 )
 236 {
 237         /* Windows currently only allows 14 character passwords, but
 238          * may support up to 256 in the future. We assume this means
 239          * 256 UCS2 characters, not 256 bytes...
 240          */
 241         char hbuf[HASHLEN];
 242 #ifdef HAVE_OPENSSL
 243         MD4_CTX ctx;
 244 #endif
 245
 246         if (passwd->bv_len > MAX_PWLEN*2)
 247                 passwd->bv_len = MAX_PWLEN*2;
 248
 249 #ifdef HAVE_OPENSSL
 250         MD4_Init( &ctx );
 251         MD4_Update( &ctx, passwd->bv_val, passwd->bv_len );
 252         MD4_Final( (unsigned char *)hbuf, &ctx );
 253 #elif defined(HAVE_GNUTLS)
 254         gcry_md_hash_buffer(GCRY_MD_MD4, hbuf, passwd->bv_val, passwd->bv_len );
 255 #endif
 256
 257         hexify( hbuf, hash );
 258 }
 259 #endif /* DO_SAMBA */
 260
 261 #ifdef DO_KRB5
 262
 263 static int smbk5pwd_op_cleanup(
 264         Operation *op,
 265         SlapReply *rs )
 266 {
 267         slap_callback *cb;
 268
 269         /* clear out the current key */
 270         ldap_pvt_thread_pool_setkey( op->o_threadctx, smbk5pwd_op_cleanup,
 271                 NULL, 0, NULL, NULL );
 272
 273         /* free the callback */
 274         cb = op->o_callback;
 275         op->o_callback = cb->sc_next;
 276         op->o_tmpfree( cb, op->o_tmpmemctx );
 277         return 0;
 278 }
 279
 280 static int smbk5pwd_op_bind(
 281         Operation *op,
 282         SlapReply *rs )
 283 {
 284         /* If this is a simple Bind, stash the Op pointer so our chk
 285          * function can find it. Set a cleanup callback to clear it
 286          * out when the Bind completes.
 287          */
 288         if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE ) {
 289                 slap_callback *cb;
 290                 ldap_pvt_thread_pool_setkey( op->o_threadctx,
 291                         smbk5pwd_op_cleanup, op, 0, NULL, NULL );
 292                 cb = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
 293                 cb->sc_cleanup = smbk5pwd_op_cleanup;
 294                 cb->sc_next = op->o_callback;
 295                 op->o_callback = cb;
 296         }
 297         return SLAP_CB_CONTINUE;
 298 }
 299
 300 static LUTIL_PASSWD_CHK_FUNC k5key_chk;
 301 static LUTIL_PASSWD_HASH_FUNC k5key_hash;
 302 static const struct berval k5key_scheme = BER_BVC("{K5KEY}");
 303
 304 /* This password scheme stores no data in the userPassword attribute
 305  * other than the scheme name. It assumes the invoking entry is a
 306  * krb5KDCentry and compares the passed-in credentials against the
 307  * krb5Key attribute. The krb5Key may be multi-valued, but they are
 308  * simply multiple keytypes generated from the same input string, so
 309  * only the first value needs to be compared here.
 310  *
 311  * Since the lutil_passwd API doesn't pass the Entry object in, we
 312  * have to fetch it ourselves in order to get access to the other
 313  * attributes. We accomplish this with the help of the overlay's Bind
 314  * function, which stores the current Operation pointer in thread-specific
 315  * storage so we can retrieve it here. The Operation provides all
 316  * the necessary context for us to get Entry from the database.
 317  */
 318 static int k5key_chk(
 319         const struct berval *sc,
 320         const struct berval *passwd,
 321         const struct berval *cred,
 322         const char **text )
 323 {
 324         void *ctx, *op_tmp;
 325         Operation *op;
 326         int rc;
 327         Entry *e;
 328         Attribute *a;
 329         krb5_error_code ret;
 330         krb5_keyblock key;
 331         krb5_salt salt;
 332         hdb_entry ent;
 333
 334         /* Find our thread context, find our Operation */
 335         ctx = ldap_pvt_thread_pool_context();
 336
 337         if ( ldap_pvt_thread_pool_getkey( ctx, smbk5pwd_op_cleanup, &op_tmp, NULL )
 338                  || !op_tmp )
 339                 return LUTIL_PASSWD_ERR;
 340         op = op_tmp;
 341
 342         rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
 343         if ( rc != LDAP_SUCCESS ) return LUTIL_PASSWD_ERR;
 344
 345         rc = LUTIL_PASSWD_ERR;
 346         do {
 347                 size_t l;
 348                 Key ekey = {0};
 349
 350                 a = attr_find( e->e_attrs, ad_krb5PrincipalName );
 351                 if (!a ) break;
 352
 353                 memset( &ent, 0, sizeof(ent) );
 354                 ret = krb5_parse_name(context, a->a_vals[0].bv_val, &ent.principal);
 355                 if ( ret ) break;
 356
 357                 a = attr_find( e->e_attrs, ad_krb5ValidEnd );
 358                 if (a) {
 359                         struct lutil_tm tm;
 360                         struct lutil_timet tt;
 361                         if ( lutil_parsetime( a->a_vals[0].bv_val, &tm ) == 0 &&
 362                                 lutil_tm2time( &tm, &tt ) == 0 && tt.tt_usec < op->o_time ) {
 363                                 /* Account is expired */
 364                                 rc = LUTIL_PASSWD_ERR;
 365                                 break;
 366                         }
 367                 }
 368
 369                 krb5_get_pw_salt( context, ent.principal, &salt );
 370                 krb5_free_principal( context, ent.principal );
 371
 372                 a = attr_find( e->e_attrs, ad_krb5Key );
 373                 if ( !a ) break;
 374
 375                 ent.keys.len = 1;
 376                 ent.keys.val = &ekey;
 377                 decode_Key((unsigned char *) a->a_vals[0].bv_val,
 378                         (size_t) a->a_vals[0].bv_len, &ent.keys.val[0], &l);
 379                 if ( db->HDB_MASTER_KEY_SET )
 380                         hdb_unseal_keys( context, db, &ent );
 381
 382                 krb5_string_to_key_salt( context, ekey.key.keytype, cred->bv_val,
 383                         salt, &key );
 384
 385                 krb5_free_salt( context, salt );
 386
 387                 if ( memcmp( ekey.key.keyvalue.data, key.keyvalue.data,
 388                         key.keyvalue.length ) == 0 ) rc = LUTIL_PASSWD_OK;
 389
 390                 krb5_free_keyblock_contents( context, &key );
 391                 krb5_free_keyblock_contents( context, &ekey.key );
 392
 393         } while(0);
 394         be_entry_release_r( op, e );
 395         return rc;
 396 }
 397
 398 static int k5key_hash(
 399         const struct berval *scheme,
 400         const struct berval *passwd,
 401         struct berval *hash,
 402         const char **text )
 403 {
 404         ber_dupbv( hash, (struct berval *)&k5key_scheme );
 405         return LUTIL_PASSWD_OK;
 406 }
 407 #endif /* DO_KRB5 */
 408
 409 static int smbk5pwd_exop_passwd(
 410         Operation *op,
 411         SlapReply *rs )
 412 {
 413         int rc;
 414         req_pwdexop_s *qpw = &op->oq_pwdexop;
 415         Entry *e;
 416         Modifications *ml;
 417         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
 418         smbk5pwd_t *pi = on->on_bi.bi_private;
 419         char term;
 420
 421         /* Not the operation we expected, pass it on... */
 422         if ( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) ) {
 423                 return SLAP_CB_CONTINUE;
 424         }
 425
 426         op->o_bd->bd_info = (BackendInfo *)on->on_info;
 427         rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
 428         if ( rc != LDAP_SUCCESS ) return rc;
 429
 430         term = qpw->rs_new.bv_val[qpw->rs_new.bv_len];
 431         qpw->rs_new.bv_val[qpw->rs_new.bv_len] = '\0';
 432
 433 #ifdef DO_KRB5
 434         /* Kerberos stuff */
 435         do {
 436                 krb5_error_code ret;
 437                 hdb_entry ent;
 438                 struct berval *keys;
 439                 size_t nkeys;
 440                 int kvno, i;
 441                 Attribute *a;
 442
 443                 if ( !SMBK5PWD_DO_KRB5( pi ) ) break;
 444
 445                 if ( !is_entry_objectclass(e, oc_krb5KDCEntry, 0 ) ) break;
 446
 447                 a = attr_find( e->e_attrs, ad_krb5PrincipalName );
 448                 if ( !a ) break;
 449
 450                 memset( &ent, 0, sizeof(ent) );
 451                 ret = krb5_parse_name(context, a->a_vals[0].bv_val, &ent.principal);
 452                 if ( ret ) break;
 453
 454                 a = attr_find( e->e_attrs, ad_krb5KeyVersionNumber );
 455                 kvno = 0;
 456                 if ( a ) {
 457                         if ( lutil_atoi( &kvno, a->a_vals[0].bv_val ) != 0 ) {
 458                                 Debug( LDAP_DEBUG_ANY, "%s smbk5pwd EXOP: "
 459                                         "dn=\"%s\" unable to parse krb5KeyVersionNumber=\"%s\"\n",
 460                                         op->o_log_prefix, e->e_name.bv_val, a->a_vals[0].bv_val );
 461                         }
 462
 463                 } else {
 464                         /* shouldn't happen, this is a required attr */
 465                         Debug( LDAP_DEBUG_ANY, "%s smbk5pwd EXOP: "
 466                                 "dn=\"%s\" missing krb5KeyVersionNumber\n",
 467                                 op->o_log_prefix, e->e_name.bv_val, 0 );
 468                 }
 469
 470                 ret = hdb_generate_key_set_password(context, ent.principal,
 471                         qpw->rs_new.bv_val, &ent.keys.val, &nkeys);
 472                 ent.keys.len = nkeys;
 473                 hdb_seal_keys(context, db, &ent);
 474                 krb5_free_principal( context, ent.principal );
 475
 476                 keys = ch_malloc( (ent.keys.len + 1) * sizeof(struct berval));
 477
 478                 for (i = 0; i < ent.keys.len; i++) {
 479                         unsigned char *buf;
 480                         size_t len;
 481
 482                         ASN1_MALLOC_ENCODE(Key, buf, len, &ent.keys.val[i], &len, ret);
 483                         if (ret != 0)
 484                                 break;
 485
 486                         keys[i].bv_val = (char *)buf;
 487                         keys[i].bv_len = len;
 488                 }
 489                 BER_BVZERO( &keys[i] );
 490
 491                 hdb_free_keys(context, ent.keys.len, ent.keys.val);
 492
 493                 if ( i != ent.keys.len ) {
 494                         ber_bvarray_free( keys );
 495                         break;
 496                 }
 497
 498                 ml = ch_malloc(sizeof(Modifications));
 499                 if (!qpw->rs_modtail) qpw->rs_modtail = &ml->sml_next;
 500                 ml->sml_next = qpw->rs_mods;
 501                 qpw->rs_mods = ml;
 502
 503                 ml->sml_desc = ad_krb5Key;
 504                 ml->sml_op = LDAP_MOD_REPLACE;
 505 #ifdef SLAP_MOD_INTERNAL
 506                 ml->sml_flags = SLAP_MOD_INTERNAL;
 507 #endif
 508                 ml->sml_numvals = i;
 509                 ml->sml_values = keys;
 510                 ml->sml_nvalues = NULL;
 511
 512                 ml = ch_malloc(sizeof(Modifications));
 513                 ml->sml_next = qpw->rs_mods;
 514                 qpw->rs_mods = ml;
 515
 516                 ml->sml_desc = ad_krb5KeyVersionNumber;
 517                 ml->sml_op = LDAP_MOD_REPLACE;
 518 #ifdef SLAP_MOD_INTERNAL
 519                 ml->sml_flags = SLAP_MOD_INTERNAL;
 520 #endif
 521                 ml->sml_numvals = 1;
 522                 ml->sml_values = ch_malloc( 2 * sizeof(struct berval));
 523                 ml->sml_values[0].bv_val = ch_malloc( 64 );
 524                 ml->sml_values[0].bv_len = sprintf(ml->sml_values[0].bv_val,
 525                         "%d", kvno+1 );
 526                 BER_BVZERO( &ml->sml_values[1] );
 527                 ml->sml_nvalues = NULL;
 528         } while ( 0 );
 529 #endif /* DO_KRB5 */
 530
 531 #ifdef DO_SAMBA
 532         /* Samba stuff */
 533         if ( SMBK5PWD_DO_SAMBA( pi ) && is_entry_objectclass(e, oc_sambaSamAccount, 0 ) ) {
 534                 struct berval *keys;
 535                 ber_len_t j,l;
 536                 wchar_t *wcs, wc;
 537                 char *c, *d;
 538                 struct berval pwd;
 539
 540                 /* Expand incoming UTF8 string to UCS4 */
 541                 l = ldap_utf8_chars(qpw->rs_new.bv_val);
 542                 wcs = ch_malloc((l+1) * sizeof(wchar_t));
 543
 544                 ldap_x_utf8s_to_wcs( wcs, qpw->rs_new.bv_val, l );
 545
 546                 /* Truncate UCS4 to UCS2 */
 547                 c = (char *)wcs;
 548                 for (j=0; j<l; j++) {
 549                         wc = wcs[j];
 550                         *c++ = wc & 0xff;
 551                         *c++ = (wc >> 8) & 0xff;
 552                 }
 553                 *c++ = 0;
 554                 pwd.bv_val = (char *)wcs;
 555                 pwd.bv_len = l * 2;
 556
 557                 ml = ch_malloc(sizeof(Modifications));
 558                 if (!qpw->rs_modtail) qpw->rs_modtail = &ml->sml_next;
 559                 ml->sml_next = qpw->rs_mods;
 560                 qpw->rs_mods = ml;
 561
 562                 keys = ch_malloc( 2 * sizeof(struct berval) );
 563                 BER_BVZERO( &keys[1] );
 564                 nthash( &pwd, keys );
 565
 566                 ml->sml_desc = ad_sambaNTPassword;
 567                 ml->sml_op = LDAP_MOD_REPLACE;
 568 #ifdef SLAP_MOD_INTERNAL
 569                 ml->sml_flags = SLAP_MOD_INTERNAL;
 570 #endif
 571                 ml->sml_numvals = 1;
 572                 ml->sml_values = keys;
 573                 ml->sml_nvalues = NULL;
 574
 575                 /* Truncate UCS2 to 8-bit ASCII */
 576                 c = pwd.bv_val+1;
 577                 d = pwd.bv_val+2;
 578                 for (j=1; j<l; j++) {
 579                         *c++ = *d++;
 580                         d++;
 581                 }
 582                 pwd.bv_len /= 2;
 583                 pwd.bv_val[pwd.bv_len] = '\0';
 584
 585                 ml = ch_malloc(sizeof(Modifications));
 586                 ml->sml_next = qpw->rs_mods;
 587                 qpw->rs_mods = ml;
 588
 589                 keys = ch_malloc( 2 * sizeof(struct berval) );
 590                 BER_BVZERO( &keys[1] );
 591                 lmhash( &pwd, keys );
 592
 593                 ml->sml_desc = ad_sambaLMPassword;
 594                 ml->sml_op = LDAP_MOD_REPLACE;
 595 #ifdef SLAP_MOD_INTERNAL
 596                 ml->sml_flags = SLAP_MOD_INTERNAL;
 597 #endif
 598                 ml->sml_numvals = 1;
 599                 ml->sml_values = keys;
 600                 ml->sml_nvalues = NULL;
 601
 602                 ch_free(wcs);
 603
 604                 ml = ch_malloc(sizeof(Modifications));
 605                 ml->sml_next = qpw->rs_mods;
 606                 qpw->rs_mods = ml;
 607
 608                 keys = ch_malloc( 2 * sizeof(struct berval) );
 609                 keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
 610                 keys[0].bv_len = snprintf(keys[0].bv_val,
 611                         LDAP_PVT_INTTYPE_CHARS(long),
 612                         "%ld", slap_get_time());
 613                 BER_BVZERO( &keys[1] );
 614
 615                 ml->sml_desc = ad_sambaPwdLastSet;
 616                 ml->sml_op = LDAP_MOD_REPLACE;
 617 #ifdef SLAP_MOD_INTERNAL
 618                 ml->sml_flags = SLAP_MOD_INTERNAL;
 619 #endif
 620                 ml->sml_numvals = 1;
 621                 ml->sml_values = keys;
 622                 ml->sml_nvalues = NULL;
 623
 624                 if (pi->smb_must_change)
 625                 {
 626                         ml = ch_malloc(sizeof(Modifications));
 627                         ml->sml_next = qpw->rs_mods;
 628                         qpw->rs_mods = ml;
 629
 630                         keys = ch_malloc( 2 * sizeof(struct berval) );
 631                         keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
 632                         keys[0].bv_len = snprintf(keys[0].bv_val,
 633                                         LDAP_PVT_INTTYPE_CHARS(long),
 634                                         "%ld", slap_get_time() + pi->smb_must_change);
 635                         BER_BVZERO( &keys[1] );
 636
 637                         ml->sml_desc = ad_sambaPwdMustChange;
 638                         ml->sml_op = LDAP_MOD_REPLACE;
 639 #ifdef SLAP_MOD_INTERNAL
 640                         ml->sml_flags = SLAP_MOD_INTERNAL;
 641 #endif
 642                         ml->sml_numvals = 1;
 643                         ml->sml_values = keys;
 644                         ml->sml_nvalues = NULL;
 645                 }
 646
 647                 if (pi->smb_can_change)
 648                 {
 649                         ml = ch_malloc(sizeof(Modifications));
 650                         ml->sml_next = qpw->rs_mods;
 651                         qpw->rs_mods = ml;
 652
 653                         keys = ch_malloc( 2 * sizeof(struct berval) );
 654                         keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
 655                         keys[0].bv_len = snprintf(keys[0].bv_val,
 656                                         LDAP_PVT_INTTYPE_CHARS(long),
 657                                         "%ld", slap_get_time() + pi->smb_can_change);
 658                         BER_BVZERO( &keys[1] );
 659
 660                         ml->sml_desc = ad_sambaPwdCanChange;
 661                         ml->sml_op = LDAP_MOD_REPLACE;
 662 #ifdef SLAP_MOD_INTERNAL
 663                         ml->sml_flags = SLAP_MOD_INTERNAL;
 664 #endif
 665                         ml->sml_numvals = 1;
 666                         ml->sml_values = keys;
 667                         ml->sml_nvalues = NULL;
 668                 }
 669         }
 670 #endif /* DO_SAMBA */
 671
 672 #ifdef DO_SHADOW
 673         /* shadow stuff */
 674         if ( SMBK5PWD_DO_SHADOW( pi ) && is_entry_objectclass(e, oc_shadowAccount, 0 ) ) {
 675                 struct berval *keys;
 676
 677                 ml = ch_malloc(sizeof(Modifications));
 678                 if (!qpw->rs_modtail) qpw->rs_modtail = &ml->sml_next;
 679                 ml->sml_next = qpw->rs_mods;
 680                 qpw->rs_mods = ml;
 681
 682                 keys = ch_malloc( sizeof(struct berval) * 2);
 683                 keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
 684                 keys[0].bv_len = snprintf(keys[0].bv_val,
 685                         LDAP_PVT_INTTYPE_CHARS(long),
 686                         "%ld", (long)(slap_get_time() / (60 * 60 * 24)));
 687
 688                 ml->sml_desc = ad_shadowLastChange;
 689                 ml->sml_op = LDAP_MOD_REPLACE;
 690 #ifdef SLAP_MOD_INTERNAL
 691                 ml->sml_flags = SLAP_MOD_INTERNAL;
 692 #endif
 693                 ml->sml_numvals = 1;
 694                 ml->sml_values = keys;
 695                 ml->sml_nvalues = NULL;
 696         }
 697 #endif /* DO_SHADOW */
 698
 699         be_entry_release_r( op, e );
 700         qpw->rs_new.bv_val[qpw->rs_new.bv_len] = term;
 701
 702         return SLAP_CB_CONTINUE;
 703 }
 704
 705 static slap_overinst smbk5pwd;
 706
 707 /* back-config stuff */
 708 enum {
 709         PC_SMB_MUST_CHANGE = 1,
 710         PC_SMB_CAN_CHANGE,
 711         PC_SMB_ENABLE
 712 };
 713
 714 static ConfigDriver smbk5pwd_cf_func;
 715
 716 /*
 717  * NOTE: uses OID arcs OLcfgCtAt:1 and OLcfgCtOc:1
 718  */
 719
 720 static ConfigTable smbk5pwd_cfats[] = {
 721         { "smbk5pwd-enable", "arg",
 722                 2, 0, 0, ARG_MAGIC|PC_SMB_ENABLE, smbk5pwd_cf_func,
 723                 "( OLcfgCtAt:1.1 NAME 'olcSmbK5PwdEnable' "
 724                 "DESC 'Modules to be enabled' "
 725                 "SYNTAX OMsDirectoryString )", NULL, NULL },
 726         { "smbk5pwd-must-change", "time",
 727                 2, 2, 0, ARG_MAGIC|ARG_INT|PC_SMB_MUST_CHANGE, smbk5pwd_cf_func,
 728                 "( OLcfgCtAt:1.2 NAME 'olcSmbK5PwdMustChange' "
 729                 "DESC 'Credentials validity interval' "
 730                 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
 731         { "smbk5pwd-can-change", "time",
 732                 2, 2, 0, ARG_MAGIC|ARG_INT|PC_SMB_CAN_CHANGE, smbk5pwd_cf_func,
 733                 "( OLcfgCtAt:1.3 NAME 'olcSmbK5PwdCanChange' "
 734                 "DESC 'Credentials minimum validity interval' "
 735                 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
 736
 737         { NULL, NULL, 0, 0, 0, ARG_IGNORED }
 738 };
 739
 740 static ConfigOCs smbk5pwd_cfocs[] = {
 741         { "( OLcfgCtOc:1.1 "
 742                 "NAME 'olcSmbK5PwdConfig' "
 743                 "DESC 'smbk5pwd overlay configuration' "
 744                 "SUP olcOverlayConfig "
 745                 "MAY ( "
 746                         "olcSmbK5PwdEnable "
 747                         "$ olcSmbK5PwdMustChange "
 748                         "$ olcSmbK5PwdCanChange "
 749                 ") )", Cft_Overlay, smbk5pwd_cfats },
 750
 751         { NULL, 0, NULL }
 752 };
 753
 754 /*
 755  * add here other functionalities; handle their initialization
 756  * as appropriate in smbk5pwd_modules_init().
 757  */
 758 static slap_verbmasks smbk5pwd_modules[] = {
 759         { BER_BVC( "krb5" ),            SMBK5PWD_F_KRB5 },
 760         { BER_BVC( "samba" ),           SMBK5PWD_F_SAMBA },
 761         { BER_BVC( "shadow" ),          SMBK5PWD_F_SHADOW },
 762         { BER_BVNULL,                   -1 }
 763 };
 764
 765 static int
 766 smbk5pwd_cf_func( ConfigArgs *c )
 767 {
 768         slap_overinst   *on = (slap_overinst *)c->bi;
 769
 770         int             rc = 0;
 771         smbk5pwd_t      *pi = on->on_bi.bi_private;
 772
 773         if ( c->op == SLAP_CONFIG_EMIT ) {
 774                 switch( c->type ) {
 775                 case PC_SMB_MUST_CHANGE:
 776 #ifdef DO_SAMBA
 777                         c->value_int = pi->smb_must_change;
 778 #else /* ! DO_SAMBA */
 779                         c->value_int = 0;
 780 #endif /* ! DO_SAMBA */
 781                         break;
 782
 783                 case PC_SMB_CAN_CHANGE:
 784 #ifdef DO_SAMBA
 785                         c->value_int = pi->smb_can_change;
 786 #else /* ! DO_SAMBA */
 787                         c->value_int = 0;
 788 #endif /* ! DO_SAMBA */
 789                         break;
 790
 791                 case PC_SMB_ENABLE:
 792                         c->rvalue_vals = NULL;
 793                         if ( pi->mode ) {
 794                                 mask_to_verbs( smbk5pwd_modules, pi->mode, &c->rvalue_vals );
 795                                 if ( c->rvalue_vals == NULL ) {
 796                                         rc = 1;
 797                                 }
 798                         }
 799                         break;
 800
 801                 default:
 802                         assert( 0 );
 803                         rc = 1;
 804                 }
 805                 return rc;
 806
 807         } else if ( c->op == LDAP_MOD_DELETE ) {
 808                 switch( c->type ) {
 809                 case PC_SMB_MUST_CHANGE:
 810                         break;
 811
 812                 case PC_SMB_CAN_CHANGE:
 813                         break;
 814
 815                 case PC_SMB_ENABLE:
 816                         if ( !c->line ) {
 817                                 pi->mode = 0;
 818
 819                         } else {
 820                                 slap_mask_t     m;
 821
 822                                 m = verb_to_mask( c->line, smbk5pwd_modules );
 823                                 pi->mode &= ~m;
 824                         }
 825                         break;
 826
 827                 default:
 828                         assert( 0 );
 829                         rc = 1;
 830                 }
 831                 return rc;
 832         }
 833
 834         switch( c->type ) {
 835         case PC_SMB_MUST_CHANGE:
 836 #ifdef DO_SAMBA
 837                 if ( c->value_int < 0 ) {
 838                         Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 839                                 "<%s> invalid negative value \"%d\".",
 840                                 c->log, c->argv[ 0 ], 0 );
 841                         return 1;
 842                 }
 843                 pi->smb_must_change = c->value_int;
 844 #else /* ! DO_SAMBA */
 845                 Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 846                         "<%s> only meaningful "
 847                         "when compiled with -DDO_SAMBA.\n",
 848                         c->log, c->argv[ 0 ], 0 );
 849                 return 1;
 850 #endif /* ! DO_SAMBA */
 851                 break;
 852
 853         case PC_SMB_CAN_CHANGE:
 854 #ifdef DO_SAMBA
 855                 if ( c->value_int < 0 ) {
 856                         Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 857                                 "<%s> invalid negative value \"%d\".",
 858                                 c->log, c->argv[ 0 ], 0 );
 859                         return 1;
 860                 }
 861                 pi->smb_can_change = c->value_int;
 862 #else /* ! DO_SAMBA */
 863                 Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 864                         "<%s> only meaningful "
 865                         "when compiled with -DDO_SAMBA.\n",
 866                         c->log, c->argv[ 0 ], 0 );
 867                 return 1;
 868 #endif /* ! DO_SAMBA */
 869                 break;
 870
 871         case PC_SMB_ENABLE: {
 872                 slap_mask_t     mode = pi->mode, m;
 873
 874                 rc = verbs_to_mask( c->argc, c->argv, smbk5pwd_modules, &m );
 875                 if ( rc > 0 ) {
 876                         Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 877                                 "<%s> unknown module \"%s\".\n",
 878                                 c->log, c->argv[ 0 ], c->argv[ rc ] );
 879                         return 1;
 880                 }
 881
 882                 /* we can hijack the smbk5pwd_t structure because
 883                  * from within the configuration, this is the only
 884                  * active thread. */
 885                 pi->mode |= m;
 886
 887 #ifndef DO_KRB5
 888                 if ( SMBK5PWD_DO_KRB5( pi ) ) {
 889                         Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 890                                 "<%s> module \"%s\" only allowed when compiled with -DDO_KRB5.\n",
 891                                 c->log, c->argv[ 0 ], c->argv[ rc ] );
 892                         pi->mode = mode;
 893                         return 1;
 894                 }
 895 #endif /* ! DO_KRB5 */
 896
 897 #ifndef DO_SAMBA
 898                 if ( SMBK5PWD_DO_SAMBA( pi ) ) {
 899                         Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 900                                 "<%s> module \"%s\" only allowed when compiled with -DDO_SAMBA.\n",
 901                                 c->log, c->argv[ 0 ], c->argv[ rc ] );
 902                         pi->mode = mode;
 903                         return 1;
 904                 }
 905 #endif /* ! DO_SAMBA */
 906
 907 #ifndef DO_SHADOW
 908                 if ( SMBK5PWD_DO_SHADOW( pi ) ) {
 909                         Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
 910                                 "<%s> module \"%s\" only allowed when compiled with -DDO_SHADOW.\n",
 911                                 c->log, c->argv[ 0 ], c->argv[ rc ] );
 912                         pi->mode = mode;
 913                         return 1;
 914                 }
 915 #endif /* ! DO_SHADOW */
 916
 917                 {
 918                         BackendDB       db = *c->be;
 919
 920                         /* Re-initialize the module, because
 921                          * the configuration might have changed */
 922                         db.bd_info = (BackendInfo *)on;
 923                         rc = smbk5pwd_modules_init( pi );
 924                         if ( rc ) {
 925                                 pi->mode = mode;
 926                                 return 1;
 927                         }
 928                 }
 929
 930                 } break;
 931
 932         default:
 933                 assert( 0 );
 934                 return 1;
 935         }
 936         return rc;
 937 }
 938
 939 static int
 940 smbk5pwd_modules_init( smbk5pwd_t *pi )
 941 {
 942         static struct {
 943                 const char              *name;
 944                 AttributeDescription    **adp;
 945         }
 946 #ifdef DO_KRB5
 947         krb5_ad[] = {
 948                 { "krb5Key",                    &ad_krb5Key },
 949                 { "krb5KeyVersionNumber",       &ad_krb5KeyVersionNumber },
 950                 { "krb5PrincipalName",          &ad_krb5PrincipalName },
 951                 { "krb5ValidEnd",               &ad_krb5ValidEnd },
 952                 { NULL }
 953         },
 954 #endif /* DO_KRB5 */
 955 #ifdef DO_SAMBA
 956         samba_ad[] = {
 957                 { "sambaLMPassword",            &ad_sambaLMPassword },
 958                 { "sambaNTPassword",            &ad_sambaNTPassword },
 959                 { "sambaPwdLastSet",            &ad_sambaPwdLastSet },
 960                 { "sambaPwdMustChange",         &ad_sambaPwdMustChange },
 961                 { "sambaPwdCanChange",          &ad_sambaPwdCanChange },
 962                 { NULL }
 963         },
 964 #endif /* DO_SAMBA */
 965 #ifdef DO_SHADOW
 966         shadow_ad[] = {
 967                 { "shadowLastChange",           &ad_shadowLastChange },
 968                 { NULL }
 969         },
 970 #endif /* DO_SHADOW */
 971         dummy_ad;
 972
 973         /* this is to silence the unused var warning */
 974         dummy_ad.name = NULL;
 975
 976 #ifdef DO_KRB5
 977         if ( SMBK5PWD_DO_KRB5( pi ) && oc_krb5KDCEntry == NULL ) {
 978                 krb5_error_code ret;
 979                 extern HDB      *_kadm5_s_get_db(void *);
 980
 981                 int             i, rc;
 982
 983                 /* Make sure all of our necessary schema items are loaded */
 984                 oc_krb5KDCEntry = oc_find( "krb5KDCEntry" );
 985                 if ( !oc_krb5KDCEntry ) {
 986                         Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
 987                                 "unable to find \"krb5KDCEntry\" objectClass.\n",
 988                                 0, 0, 0 );
 989                         return -1;
 990                 }
 991
 992                 for ( i = 0; krb5_ad[ i ].name != NULL; i++ ) {
 993                         const char      *text;
 994
 995                         *(krb5_ad[ i ].adp) = NULL;
 996
 997                         rc = slap_str2ad( krb5_ad[ i ].name, krb5_ad[ i ].adp, &text );
 998                         if ( rc != LDAP_SUCCESS ) {
 999                                 Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1000                                         "unable to find \"%s\" attributeType: %s (%d).\n",
1001                                         krb5_ad[ i ].name, text, rc );
1002                                 oc_krb5KDCEntry = NULL;
1003                                 return rc;
1004                         }
1005                 }
1006
1007                 /* Initialize Kerberos context */
1008                 ret = krb5_init_context(&context);
1009                 if (ret) {
1010                         Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1011                                 "unable to initialize krb5 context (%d).\n",
1012                                 ret, 0, 0 );
1013                         oc_krb5KDCEntry = NULL;
1014                         return -1;
1015                 }
1016
1017                 ret = kadm5_s_init_with_password_ctx( context,
1018                         KADM5_ADMIN_SERVICE,
1019                         NULL,
1020                         KADM5_ADMIN_SERVICE,
1021                         &conf, 0, 0, &kadm_context );
1022                 if (ret) {
1023                         char *err_str, *err_msg = "<unknown error>";
1024                         err_str = krb5_get_error_string( context );
1025                         if (!err_str)
1026                                 err_msg = (char *)krb5_get_err_text( context, ret );
1027                         Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1028                                 "unable to initialize krb5 admin context: %s (%d).\n",
1029                                 err_str ? err_str : err_msg, ret, 0 );
1030                         if (err_str)
1031                                 krb5_free_error_string( context, err_str );
1032                         krb5_free_context( context );
1033                         oc_krb5KDCEntry = NULL;
1034                         return -1;
1035                 }
1036
1037                 db = _kadm5_s_get_db( kadm_context );
1038         }
1039 #endif /* DO_KRB5 */
1040
1041 #ifdef DO_SAMBA
1042         if ( SMBK5PWD_DO_SAMBA( pi ) && oc_sambaSamAccount == NULL ) {
1043                 int             i, rc;
1044
1045                 oc_sambaSamAccount = oc_find( "sambaSamAccount" );
1046                 if ( !oc_sambaSamAccount ) {
1047                         Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1048                                 "unable to find \"sambaSamAccount\" objectClass.\n",
1049                                 0, 0, 0 );
1050                         return -1;
1051                 }
1052
1053                 for ( i = 0; samba_ad[ i ].name != NULL; i++ ) {
1054                         const char      *text;
1055
1056                         *(samba_ad[ i ].adp) = NULL;
1057
1058                         rc = slap_str2ad( samba_ad[ i ].name, samba_ad[ i ].adp, &text );
1059                         if ( rc != LDAP_SUCCESS ) {
1060                                 Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1061                                         "unable to find \"%s\" attributeType: %s (%d).\n",
1062                                         samba_ad[ i ].name, text, rc );
1063                                 oc_sambaSamAccount = NULL;
1064                                 return rc;
1065                         }
1066                 }
1067         }
1068 #endif /* DO_SAMBA */
1069
1070 #ifdef DO_SHADOW
1071         if ( SMBK5PWD_DO_SHADOW( pi ) && oc_shadowAccount == NULL ) {
1072                 int             i, rc;
1073
1074                 oc_shadowAccount = oc_find( "shadowAccount" );
1075                 if ( !oc_shadowAccount ) {
1076                         Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1077                                 "unable to find \"shadowAccount\" objectClass.\n",
1078                                 0, 0, 0 );
1079                         return -1;
1080                 }
1081
1082                 for ( i = 0; shadow_ad[ i ].name != NULL; i++ ) {
1083                         const char      *text;
1084
1085                         *(shadow_ad[ i ].adp) = NULL;
1086
1087                         rc = slap_str2ad( shadow_ad[ i ].name, shadow_ad[ i ].adp, &text );
1088                         if ( rc != LDAP_SUCCESS ) {
1089                                 Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
1090                                         "unable to find \"%s\" attributeType: %s (%d).\n",
1091                                         shadow_ad[ i ].name, text, rc );
1092                                 oc_shadowAccount = NULL;
1093                                 return rc;
1094                         }
1095                 }
1096         }
1097 #endif /* DO_SHADOW */
1098
1099         return 0;
1100 }
1101
1102 static int
1103 smbk5pwd_db_init(BackendDB *be, ConfigReply *cr)
1104 {
1105         slap_overinst   *on = (slap_overinst *)be->bd_info;
1106         smbk5pwd_t      *pi;
1107
1108         pi = ch_calloc( 1, sizeof( smbk5pwd_t ) );
1109         if ( pi == NULL ) {
1110                 return 1;
1111         }
1112         on->on_bi.bi_private = (void *)pi;
1113
1114         return 0;
1115 }
1116
1117 static int
1118 smbk5pwd_db_open(BackendDB *be, ConfigReply *cr)
1119 {
1120         slap_overinst   *on = (slap_overinst *)be->bd_info;
1121         smbk5pwd_t      *pi = (smbk5pwd_t *)on->on_bi.bi_private;
1122
1123         int     rc;
1124
1125         if ( pi->mode == 0 ) {
1126                 pi->mode = SMBK5PWD_F_ALL;
1127         }
1128
1129         rc = smbk5pwd_modules_init( pi );
1130         if ( rc ) {
1131                 return rc;
1132         }
1133
1134         return 0;
1135 }
1136
1137 static int
1138 smbk5pwd_db_destroy(BackendDB *be, ConfigReply *cr)
1139 {
1140         slap_overinst   *on = (slap_overinst *)be->bd_info;
1141         smbk5pwd_t      *pi = (smbk5pwd_t *)on->on_bi.bi_private;
1142
1143         if ( pi ) {
1144                 ch_free( pi );
1145         }
1146
1147         return 0;
1148 }
1149
1150 int
1151 smbk5pwd_initialize(void)
1152 {
1153         int             rc;
1154
1155         smbk5pwd.on_bi.bi_type = "smbk5pwd";
1156
1157         smbk5pwd.on_bi.bi_db_init = smbk5pwd_db_init;
1158         smbk5pwd.on_bi.bi_db_open = smbk5pwd_db_open;
1159         smbk5pwd.on_bi.bi_db_destroy = smbk5pwd_db_destroy;
1160
1161         smbk5pwd.on_bi.bi_extended = smbk5pwd_exop_passwd;
1162
1163 #ifdef DO_KRB5
1164         smbk5pwd.on_bi.bi_op_bind = smbk5pwd_op_bind;
1165
1166         lutil_passwd_add( (struct berval *)&k5key_scheme, k5key_chk, k5key_hash );
1167 #endif
1168
1169         smbk5pwd.on_bi.bi_cf_ocs = smbk5pwd_cfocs;
1170
1171         rc = config_register_schema( smbk5pwd_cfats, smbk5pwd_cfocs );
1172         if ( rc ) {
1173                 return rc;
1174         }
1175
1176         return overlay_register( &smbk5pwd );
1177 }
1178
1179 #if SLAPD_OVER_SMBK5PWD == SLAPD_MOD_DYNAMIC
1180 int init_module(int argc, char *argv[]) {
1181         return smbk5pwd_initialize();
1182 }
1183 #endif
1184
1185 #endif /* defined(SLAPD_OVER_SMBK5PWD) */