lib/kadm5/ad.c

   1 /*
   2  * Copyright (c) 2004 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #define HAVE_TSASL 1
  35
  36 #include "kadm5_locl.h"
  37 #if 1
  38 #undef OPENLDAP
  39 #undef HAVE_TSASL
  40 #endif
  41 #ifdef OPENLDAP
  42 #include <ldap.h>
  43 #ifdef HAVE_TSASL
  44 #include <tsasl.h>
  45 #endif
  46 #include <resolve.h>
  47 #include <base64.h>
  48 #endif
  49
  50 RCSID("$Id$");
  51
  52 #ifdef OPENLDAP
  53
  54 #define CTX2LP(context) ((LDAP *)((context)->ldap_conn))
  55 #define CTX2BASE(context) ((context)->base_dn)
  56
  57 /*
  58  * userAccountControl
  59  */
  60
  61 #define UF_SCRIPT                               0x00000001
  62 #define UF_ACCOUNTDISABLE                       0x00000002
  63 #define UF_UNUSED_0                             0x00000004
  64 #define UF_HOMEDIR_REQUIRED                     0x00000008
  65 #define UF_LOCKOUT                              0x00000010
  66 #define UF_PASSWD_NOTREQD                       0x00000020
  67 #define UF_PASSWD_CANT_CHANGE                   0x00000040
  68 #define UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED      0x00000080
  69 #define UF_TEMP_DUPLICATE_ACCOUNT               0x00000100
  70 #define UF_NORMAL_ACCOUNT                       0x00000200
  71 #define UF_UNUSED_1                             0x00000400
  72 #define UF_INTERDOMAIN_TRUST_ACCOUNT            0x00000800
  73 #define UF_WORKSTATION_TRUST_ACCOUNT            0x00001000
  74 #define UF_SERVER_TRUST_ACCOUNT                 0x00002000
  75 #define UF_UNUSED_2                             0x00004000
  76 #define UF_UNUSED_3                             0x00008000
  77 #define UF_PASSWD_NOT_EXPIRE                    0x00010000
  78 #define UF_MNS_LOGON_ACCOUNT                    0x00020000
  79 #define UF_SMARTCARD_REQUIRED                   0x00040000
  80 #define UF_TRUSTED_FOR_DELEGATION               0x00080000
  81 #define UF_NOT_DELEGATED                        0x00100000
  82 #define UF_USE_DES_KEY_ONLY                     0x00200000
  83 #define UF_DONT_REQUIRE_PREAUTH                 0x00400000
  84 #define UF_UNUSED_4                             0x00800000
  85 #define UF_UNUSED_5                             0x01000000
  86 #define UF_UNUSED_6                             0x02000000
  87 #define UF_UNUSED_7                             0x04000000
  88 #define UF_UNUSED_8                             0x08000000
  89 #define UF_UNUSED_9                             0x10000000
  90 #define UF_UNUSED_10                            0x20000000
  91 #define UF_UNUSED_11                            0x40000000
  92 #define UF_UNUSED_12                            0x80000000
  93
  94 /*
  95  *
  96  */
  97
  98 #ifndef HAVE_TSASL
  99 static int
 100 sasl_interact(LDAP *ld, unsigned flags, void *defaults, void *interact)
 101 {
 102     return LDAP_SUCCESS;
 103 }
 104 #endif
 105
 106 #if 0
 107 static Sockbuf_IO ldap_tsasl_io = {
 108     NULL,                       /* sbi_setup */
 109     NULL,                       /* sbi_remove */
 110     NULL,                       /* sbi_ctrl */
 111     NULL,                       /* sbi_read */
 112     NULL,                       /* sbi_write */
 113     NULL                        /* sbi_close */
 114 };
 115 #endif
 116
 117 #ifdef HAVE_TSASL
 118 static int
 119 ldap_tsasl_bind_s(LDAP *ld,
 120                   LDAP_CONST char *dn,
 121                   LDAPControl **serverControls,
 122                   LDAPControl **clientControls,
 123                   const char *host)
 124 {
 125     char *attrs[] = { "supportedSASLMechanisms", NULL };
 126     struct tsasl_peer *peer = NULL;
 127     struct tsasl_buffer in, out;
 128     struct berval ccred, *scred;
 129     LDAPMessage *m, *m0;
 130     const char *mech;
 131     char **vals;
 132     int ret, rc;
 133
 134     ret = tsasl_peer_init(TSASL_FLAGS_INITIATOR | TSASL_FLAGS_CLEAR,
 135                           "ldap", host, &peer);
 136     if (ret != TSASL_DONE) {
 137         rc = LDAP_LOCAL_ERROR;
 138         goto out;
 139     }
 140
 141     rc = ldap_search_s(ld, "", LDAP_SCOPE_BASE, NULL, attrs, 0, &m0);
 142     if (rc != LDAP_SUCCESS)
 143         goto out;
 144
 145     m = ldap_first_entry(ld, m0);
 146     if (m == NULL) {
 147         ldap_msgfree(m0);
 148         goto out;
 149     }
 150
 151     vals = ldap_get_values(ld, m, "supportedSASLMechanisms");
 152     if (vals == NULL) {
 153         ldap_msgfree(m0);
 154         goto out;
 155     }
 156
 157     ret = tsasl_find_best_mech(peer, vals, &mech);
 158     if (ret) {
 159         ldap_msgfree(m0);
 160         goto out;
 161     }
 162
 163     ldap_msgfree(m0);
 164
 165     ret = tsasl_select_mech(peer, mech);
 166     if (ret != TSASL_DONE) {
 167         rc = LDAP_LOCAL_ERROR;
 168         goto out;
 169     }
 170
 171     in.tb_data = NULL;
 172     in.tb_size = 0;
 173
 174     do {
 175         ret = tsasl_request(peer, &in, &out);
 176         if (in.tb_size != 0) {
 177             free(in.tb_data);
 178             in.tb_data = NULL;
 179             in.tb_size = 0;
 180         }
 181         if (ret != TSASL_DONE && ret != TSASL_CONTINUE) {
 182             rc = LDAP_AUTH_UNKNOWN;
 183             goto out;
 184         }
 185
 186         ccred.bv_val = out.tb_data;
 187         ccred.bv_len = out.tb_size;
 188
 189         rc = ldap_sasl_bind_s(ld, dn, mech, &ccred,
 190                               serverControls, clientControls, &scred);
 191         tsasl_buffer_free(&out);
 192
 193         if (rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS) {
 194             if(scred && scred->bv_len)
 195                 ber_bvfree(scred);
 196             goto out;
 197         }
 198
 199         in.tb_data = malloc(scred->bv_len);
 200         if (in.tb_data == NULL) {
 201             rc = LDAP_LOCAL_ERROR;
 202             goto out;
 203         }
 204         memcpy(in.tb_data, scred->bv_val, scred->bv_len);
 205         in.tb_size = scred->bv_len;
 206         ber_bvfree(scred);
 207
 208     } while (rc == LDAP_SASL_BIND_IN_PROGRESS);
 209
 210  out:
 211     if (rc == LDAP_SUCCESS) {
 212 #if 0
 213         ber_sockbuf_add_io(ld->ld_conns->lconn_sb, &ldap_tsasl_io,
 214                            LBER_SBIOD_LEVEL_APPLICATION, peer);
 215
 216 #endif
 217     } else if (peer != NULL)
 218         tsasl_peer_free(peer);
 219
 220     return rc;
 221 }
 222 #endif /* HAVE_TSASL */
 223
 224
 225 static int
 226 check_ldap(kadm5_ad_context *context, int ret)
 227 {
 228     switch (ret) {
 229     case LDAP_SUCCESS:
 230         return 0;
 231     case LDAP_SERVER_DOWN: {
 232         LDAP *lp = CTX2LP(context);
 233         ldap_unbind(lp);
 234         context->ldap_conn = NULL;
 235         free(context->base_dn);
 236         context->base_dn = NULL;
 237         return 1;
 238     }
 239     default:
 240         return 1;
 241     }
 242 }
 243
 244 /*
 245  *
 246  */
 247
 248 static void
 249 laddattr(char ***al, int *attrlen, char *attr)
 250 {
 251     char **a;
 252     a = realloc(*al, (*attrlen + 2) * sizeof(**al));
 253     if (a == NULL)
 254         return;
 255     a[*attrlen] = attr;
 256     a[*attrlen + 1] = NULL;
 257     (*attrlen)++;
 258     *al = a;
 259 }
 260
 261 static kadm5_ret_t
 262 _kadm5_ad_connect(void *server_handle)
 263 {
 264     kadm5_ad_context *context = server_handle;
 265     struct {
 266         char *server;
 267         int port;
 268     } *s, *servers = NULL;
 269     int i, num_servers = 0;
 270
 271     if (context->ldap_conn)
 272         return 0;
 273
 274     {
 275         struct dns_reply *r;
 276         struct resource_record *rr;
 277         char *domain;
 278
 279         asprintf(&domain, "_ldap._tcp.%s", context->realm);
 280         if (domain == NULL) {
 281             krb5_set_error_message(context->context, KADM5_NO_SRV, "malloc");
 282             return KADM5_NO_SRV;
 283         }
 284
 285         r = dns_lookup(domain, "SRV");
 286         free(domain);
 287         if (r == NULL) {
 288             krb5_set_error_message(context->context, KADM5_NO_SRV, "Didn't find ldap dns");
 289             return KADM5_NO_SRV;
 290         }
 291
 292         for (rr = r->head ; rr != NULL; rr = rr->next) {
 293             if (rr->type != rk_ns_t_srv)
 294                 continue;
 295             s = realloc(servers, sizeof(*servers) * (num_servers + 1));
 296             if (s == NULL) {
 297                 krb5_set_error_message(context->context, KADM5_RPC_ERROR, "malloc");
 298                 dns_free_data(r);
 299                 goto fail;
 300             }
 301             servers = s;
 302             num_servers++;
 303             servers[num_servers - 1].port =  rr->u.srv->port;
 304             servers[num_servers - 1].server =  strdup(rr->u.srv->target);
 305         }
 306         dns_free_data(r);
 307     }
 308
 309     if (num_servers == 0) {
 310         krb5_set_error_message(context->context, KADM5_NO_SRV, "No AD server found in DNS");
 311         return KADM5_NO_SRV;
 312     }
 313
 314     for (i = 0; i < num_servers; i++) {
 315         int lret, version = LDAP_VERSION3;
 316         LDAP *lp;
 317
 318         lp = ldap_init(servers[i].server, servers[i].port);
 319         if (lp == NULL)
 320             continue;
 321
 322         if (ldap_set_option(lp, LDAP_OPT_PROTOCOL_VERSION, &version)) {
 323             ldap_unbind(lp);
 324             continue;
 325         }
 326
 327         if (ldap_set_option(lp, LDAP_OPT_REFERRALS, LDAP_OPT_OFF)) {
 328             ldap_unbind(lp);
 329             continue;
 330         }
 331
 332 #ifdef HAVE_TSASL
 333         lret = ldap_tsasl_bind_s(lp, NULL, NULL, NULL, servers[i].server);
 334
 335 #else
 336         lret = ldap_sasl_interactive_bind_s(lp, NULL, NULL, NULL, NULL,
 337                                             LDAP_SASL_QUIET,
 338                                             sasl_interact, NULL);
 339 #endif
 340         if (lret != LDAP_SUCCESS) {
 341             krb5_set_error_message(context->context, 0,
 342                                    "Couldn't contact any AD servers: %s",
 343                                    ldap_err2string(lret));
 344             ldap_unbind(lp);
 345             continue;
 346         }
 347
 348         context->ldap_conn = lp;
 349         break;
 350     }
 351     if (i >= num_servers) {
 352         goto fail;
 353     }
 354
 355     {
 356         LDAPMessage *m, *m0;
 357         char **attr = NULL;
 358         int attrlen = 0;
 359         char **vals;
 360         int ret;
 361
 362         laddattr(&attr, &attrlen, "defaultNamingContext");
 363
 364         ret = ldap_search_s(CTX2LP(context), "", LDAP_SCOPE_BASE,
 365                             "objectclass=*", attr, 0, &m);
 366         free(attr);
 367         if (check_ldap(context, ret))
 368             goto fail;
 369
 370         if (ldap_count_entries(CTX2LP(context), m) > 0) {
 371             m0 = ldap_first_entry(CTX2LP(context), m);
 372             if (m0 == NULL) {
 373                 krb5_set_error_message(context->context, KADM5_RPC_ERROR,
 374                                        "Error in AD ldap responce");
 375                 ldap_msgfree(m);
 376                 goto fail;
 377             }
 378             vals = ldap_get_values(CTX2LP(context),
 379                                    m0, "defaultNamingContext");
 380             if (vals == NULL) {
 381                 krb5_set_error_message(context->context, KADM5_RPC_ERROR,
 382                                        "No naming context found");
 383                 goto fail;
 384             }
 385             context->base_dn = strdup(vals[0]);
 386         } else
 387             goto fail;
 388         ldap_msgfree(m);
 389     }
 390
 391     for (i = 0; i < num_servers; i++)
 392         free(servers[i].server);
 393     free(servers);
 394
 395     return 0;
 396
 397  fail:
 398     for (i = 0; i < num_servers; i++)
 399         free(servers[i].server);
 400     free(servers);
 401
 402     if (context->ldap_conn) {
 403         ldap_unbind(CTX2LP(context));
 404         context->ldap_conn = NULL;
 405     }
 406     return KADM5_RPC_ERROR;
 407 }
 408
 409 #define NTTIME_EPOCH 0x019DB1DED53E8000LL
 410
 411 static time_t
 412 nt2unixtime(const char *str)
 413 {
 414     unsigned long long t;
 415     t = strtoll(str, NULL, 10);
 416     t = ((t - NTTIME_EPOCH) / (long long)10000000);
 417     if (t > (((time_t)(~(long long)0)) >> 1))
 418         return 0;
 419     return (time_t)t;
 420 }
 421
 422 static long long
 423 unix2nttime(time_t unix_time)
 424 {
 425     long long wt;
 426     wt = unix_time * (long long)10000000 + (long long)NTTIME_EPOCH;
 427     return wt;
 428 }
 429
 430 /* XXX create filter in a better way */
 431
 432 static int
 433 ad_find_entry(kadm5_ad_context *context,
 434               const char *fqdn,
 435               const char *pn,
 436               char **name)
 437 {
 438     LDAPMessage *m, *m0;
 439     char *attr[] = { "distinguishedName", NULL };
 440     char *filter;
 441     int ret;
 442
 443     if (name)
 444         *name = NULL;
 445
 446     if (fqdn)
 447         asprintf(&filter,
 448                  "(&(objectClass=computer)(|(dNSHostName=%s)(servicePrincipalName=%s)))",
 449                  fqdn, pn);
 450     else if(pn)
 451         asprintf(&filter, "(&(objectClass=account)(userPrincipalName=%s))", pn);
 452     else
 453         return KADM5_RPC_ERROR;
 454
 455     ret = ldap_search_s(CTX2LP(context), CTX2BASE(context),
 456                         LDAP_SCOPE_SUBTREE,
 457                         filter, attr, 0, &m);
 458     free(filter);
 459     if (check_ldap(context, ret))
 460         return KADM5_RPC_ERROR;
 461
 462     if (ldap_count_entries(CTX2LP(context), m) > 0) {
 463         char **vals;
 464         m0 = ldap_first_entry(CTX2LP(context), m);
 465         vals = ldap_get_values(CTX2LP(context), m0, "distinguishedName");
 466         if (vals == NULL || vals[0] == NULL) {
 467             ldap_msgfree(m);
 468             return KADM5_RPC_ERROR;
 469         }
 470         if (name)
 471             *name = strdup(vals[0]);
 472         ldap_msgfree(m);
 473     } else
 474         return KADM5_UNK_PRINC;
 475
 476     return 0;
 477 }
 478
 479 #endif /* OPENLDAP */
 480
 481 static kadm5_ret_t
 482 ad_get_cred(kadm5_ad_context *context, const char *password)
 483 {
 484     kadm5_ret_t ret;
 485     krb5_ccache cc;
 486     char *service;
 487
 488     if (context->ccache)
 489         return 0;
 490
 491     asprintf(&service, "%s/%s@%s", KRB5_TGS_NAME,
 492              context->realm, context->realm);
 493     if (service == NULL)
 494         return ENOMEM;
 495
 496     ret = _kadm5_c_get_cred_cache(context->context,
 497                                   context->client_name,
 498                                   service,
 499                                   password, krb5_prompter_posix,
 500                                   NULL, NULL, &cc);
 501     free(service);
 502     if(ret)
 503         return ret; /* XXX */
 504     context->ccache = cc;
 505     return 0;
 506 }
 507
 508 static kadm5_ret_t
 509 kadm5_ad_chpass_principal(void *server_handle,
 510                           krb5_principal principal,
 511                           const char *password)
 512 {
 513     kadm5_ad_context *context = server_handle;
 514     krb5_data result_code_string, result_string;
 515     int result_code;
 516     kadm5_ret_t ret;
 517
 518     ret = ad_get_cred(context, NULL);
 519     if (ret)
 520         return ret;
 521
 522     krb5_data_zero (&result_code_string);
 523     krb5_data_zero (&result_string);
 524
 525     ret = krb5_set_password_using_ccache (context->context,
 526                                           context->ccache,
 527                                           password,
 528                                           principal,
 529                                           &result_code,
 530                                           &result_code_string,
 531                                           &result_string);
 532
 533     krb5_data_free (&result_code_string);
 534     krb5_data_free (&result_string);
 535
 536     /* XXX do mapping here on error codes */
 537
 538     return ret;
 539 }
 540
 541 #ifdef OPENLDAP
 542 static const char *
 543 get_fqdn(krb5_context context, const krb5_principal p)
 544 {
 545     const char *s, *hosttypes[] = { "host", "ldap", "gc", "cifs", "dns" };
 546     int i;
 547
 548     s = krb5_principal_get_comp_string(context, p, 0);
 549     if (p == NULL)
 550         return NULL;
 551
 552     for (i = 0; i < sizeof(hosttypes)/sizeof(hosttypes[0]); i++) {
 553         if (strcasecmp(s, hosttypes[i]) == 0)
 554             return krb5_principal_get_comp_string(context, p, 1);
 555     }
 556     return 0;
 557 }
 558 #endif
 559
 560
 561 static kadm5_ret_t
 562 kadm5_ad_create_principal(void *server_handle,
 563                           kadm5_principal_ent_t entry,
 564                           uint32_t mask,
 565                           const char *password)
 566 {
 567     kadm5_ad_context *context = server_handle;
 568
 569     /*
 570      * KADM5_PRINC_EXPIRE_TIME
 571      *
 572      * return 0 || KADM5_DUP;
 573      */
 574
 575 #ifdef OPENLDAP
 576     LDAPMod *attrs[8], rattrs[7], *a;
 577     char *useraccvals[2] = { NULL, NULL },
 578         *samvals[2], *dnsvals[2], *spnvals[5], *upnvals[2], *tv[2];
 579     char *ocvals_spn[] = { "top", "person", "organizationalPerson",
 580                            "user", "computer", NULL};
 581     char *p, *realmless_p, *p_msrealm = NULL, *dn = NULL;
 582     const char *fqdn;
 583     char *s, *samname = NULL, *short_spn = NULL;
 584     int ret, i;
 585     int32_t uf_flags = 0;
 586
 587     if ((mask & KADM5_PRINCIPAL) == 0)
 588         return KADM5_BAD_MASK;
 589
 590     for (i = 0; i < sizeof(rattrs)/sizeof(rattrs[0]); i++)
 591         attrs[i] = &rattrs[i];
 592     attrs[i] = NULL;
 593
 594     ret = ad_get_cred(context, NULL);
 595     if (ret)
 596         return ret;
 597
 598     ret = _kadm5_ad_connect(server_handle);
 599     if (ret)
 600         return ret;
 601
 602     fqdn = get_fqdn(context->context, entry->principal);
 603
 604     ret = krb5_unparse_name(context->context, entry->principal, &p);
 605     if (ret)
 606         return ret;
 607
 608     if (ad_find_entry(context, fqdn, p, NULL) == 0) {
 609         free(p);
 610         return KADM5_DUP;
 611     }
 612
 613     if (mask & KADM5_ATTRIBUTES) {
 614         if (entry->attributes & KRB5_KDB_DISALLOW_ALL_TIX)
 615             uf_flags |= UF_ACCOUNTDISABLE|UF_LOCKOUT;
 616         if ((entry->attributes & KRB5_KDB_REQUIRES_PRE_AUTH) == 0)
 617             uf_flags |= UF_DONT_REQUIRE_PREAUTH;
 618         if (entry->attributes & KRB5_KDB_REQUIRES_HW_AUTH)
 619             uf_flags |= UF_SMARTCARD_REQUIRED;
 620     }
 621
 622     realmless_p = strdup(p);
 623     if (realmless_p == NULL) {
 624         ret = ENOMEM;
 625         goto out;
 626     }
 627     s = strrchr(realmless_p, '@');
 628     if (s)
 629         *s = '\0';
 630
 631     if (fqdn) {
 632         /* create computer account */
 633         asprintf(&samname, "%s$", fqdn);
 634         if (samname == NULL) {
 635             ret = ENOMEM;
 636             goto out;
 637         }
 638         s = strchr(samname, '.');
 639         if (s) {
 640             s[0] = '$';
 641             s[1] = '\0';
 642         }
 643
 644         short_spn = strdup(p);
 645         if (short_spn == NULL) {
 646             errno = ENOMEM;
 647             goto out;
 648         }
 649         s = strchr(short_spn, '.');
 650         if (s) {
 651             *s = '\0';
 652         } else {
 653             free(short_spn);
 654             short_spn = NULL;
 655         }
 656
 657         p_msrealm = strdup(p);
 658         if (p_msrealm == NULL) {
 659             errno = ENOMEM;
 660             goto out;
 661         }
 662         s = strrchr(p_msrealm, '@');
 663         if (s) {
 664             *s = '/';
 665         } else {
 666             free(p_msrealm);
 667             p_msrealm = NULL;
 668         }
 669
 670         asprintf(&dn, "cn=%s, cn=Computers, %s", fqdn, CTX2BASE(context));
 671         if (dn == NULL) {
 672             ret = ENOMEM;
 673             goto out;
 674         }
 675
 676         a = &rattrs[0];
 677         a->mod_op = LDAP_MOD_ADD;
 678         a->mod_type = "objectClass";
 679         a->mod_values = ocvals_spn;
 680         a++;
 681
 682         a->mod_op = LDAP_MOD_ADD;
 683         a->mod_type = "userAccountControl";
 684         a->mod_values = useraccvals;
 685         asprintf(&useraccvals[0], "%d",
 686                  uf_flags |
 687                  UF_PASSWD_NOT_EXPIRE |
 688                  UF_WORKSTATION_TRUST_ACCOUNT);
 689         useraccvals[1] = NULL;
 690         a++;
 691
 692         a->mod_op = LDAP_MOD_ADD;
 693         a->mod_type = "sAMAccountName";
 694         a->mod_values = samvals;
 695         samvals[0] = samname;
 696         samvals[1] = NULL;
 697         a++;
 698
 699         a->mod_op = LDAP_MOD_ADD;
 700         a->mod_type = "dNSHostName";
 701         a->mod_values = dnsvals;
 702         dnsvals[0] = (char *)fqdn;
 703         dnsvals[1] = NULL;
 704         a++;
 705
 706         /* XXX  add even more spn's */
 707         a->mod_op = LDAP_MOD_ADD;
 708         a->mod_type = "servicePrincipalName";
 709         a->mod_values = spnvals;
 710         i = 0;
 711         spnvals[i++] = p;
 712         spnvals[i++] = realmless_p;
 713         if (short_spn)
 714             spnvals[i++] = short_spn;
 715         if (p_msrealm)
 716             spnvals[i++] = p_msrealm;
 717         spnvals[i++] = NULL;
 718         a++;
 719
 720         a->mod_op = LDAP_MOD_ADD;
 721         a->mod_type = "userPrincipalName";
 722         a->mod_values = upnvals;
 723         upnvals[0] = p;
 724         upnvals[1] = NULL;
 725         a++;
 726
 727         a->mod_op = LDAP_MOD_ADD;
 728         a->mod_type = "accountExpires";
 729         a->mod_values = tv;
 730         tv[0] = "9223372036854775807"; /* "never" */
 731         tv[1] = NULL;
 732         a++;
 733
 734     } else {
 735         /* create user account */
 736
 737         a = &rattrs[0];
 738         a->mod_op = LDAP_MOD_ADD;
 739         a->mod_type = "userAccountControl";
 740         a->mod_values = useraccvals;
 741         asprintf(&useraccvals[0], "%d",
 742                  uf_flags |
 743                  UF_PASSWD_NOT_EXPIRE);
 744         useraccvals[1] = NULL;
 745         a++;
 746
 747         a->mod_op = LDAP_MOD_ADD;
 748         a->mod_type = "sAMAccountName";
 749         a->mod_values = samvals;
 750         samvals[0] = realmless_p;
 751         samvals[1] = NULL;
 752         a++;
 753
 754         a->mod_op = LDAP_MOD_ADD;
 755         a->mod_type = "userPrincipalName";
 756         a->mod_values = upnvals;
 757         upnvals[0] = p;
 758         upnvals[1] = NULL;
 759         a++;
 760
 761         a->mod_op = LDAP_MOD_ADD;
 762         a->mod_type = "accountExpires";
 763         a->mod_values = tv;
 764         tv[0] = "9223372036854775807"; /* "never" */
 765         tv[1] = NULL;
 766         a++;
 767     }
 768
 769     attrs[a - &rattrs[0]] = NULL;
 770
 771     ret = ldap_add_s(CTX2LP(context), dn, attrs);
 772
 773  out:
 774     if (useraccvals[0])
 775         free(useraccvals[0]);
 776     if (realmless_p)
 777         free(realmless_p);
 778     if (samname)
 779         free(samname);
 780     if (short_spn)
 781         free(short_spn);
 782     if (p_msrealm)
 783         free(p_msrealm);
 784     free(p);
 785
 786     if (check_ldap(context, ret))
 787         return KADM5_RPC_ERROR;
 788
 789     return 0;
 790 #else
 791     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
 792     return KADM5_RPC_ERROR;
 793 #endif
 794 }
 795
 796 static kadm5_ret_t
 797 kadm5_ad_delete_principal(void *server_handle, krb5_principal principal)
 798 {
 799     kadm5_ad_context *context = server_handle;
 800 #ifdef OPENLDAP
 801     char *p, *dn = NULL;
 802     const char *fqdn;
 803     int ret;
 804
 805     ret = ad_get_cred(context, NULL);
 806     if (ret)
 807         return ret;
 808
 809     ret = _kadm5_ad_connect(server_handle);
 810     if (ret)
 811         return ret;
 812
 813     fqdn = get_fqdn(context->context, principal);
 814
 815     ret = krb5_unparse_name(context->context, principal, &p);
 816     if (ret)
 817         return ret;
 818
 819     if (ad_find_entry(context, fqdn, p, &dn) != 0) {
 820         free(p);
 821         return KADM5_UNK_PRINC;
 822     }
 823
 824     ret = ldap_delete_s(CTX2LP(context), dn);
 825
 826     free(dn);
 827     free(p);
 828
 829     if (check_ldap(context, ret))
 830         return KADM5_RPC_ERROR;
 831     return 0;
 832 #else
 833     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
 834     return KADM5_RPC_ERROR;
 835 #endif
 836 }
 837
 838 static kadm5_ret_t
 839 kadm5_ad_destroy(void *server_handle)
 840 {
 841     kadm5_ad_context *context = server_handle;
 842
 843     if (context->ccache)
 844         krb5_cc_destroy(context->context, context->ccache);
 845
 846 #ifdef OPENLDAP
 847     {
 848         LDAP *lp = CTX2LP(context);
 849         if (lp)
 850             ldap_unbind(lp);
 851         if (context->base_dn)
 852             free(context->base_dn);
 853     }
 854 #endif
 855     free(context->realm);
 856     free(context->client_name);
 857     krb5_free_principal(context->context, context->caller);
 858     if(context->my_context)
 859         krb5_free_context(context->context);
 860     return 0;
 861 }
 862
 863 static kadm5_ret_t
 864 kadm5_ad_flush(void *server_handle)
 865 {
 866     kadm5_ad_context *context = server_handle;
 867     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
 868     return KADM5_RPC_ERROR;
 869 }
 870
 871 static kadm5_ret_t
 872 kadm5_ad_get_principal(void *server_handle,
 873                        krb5_principal principal,
 874                        kadm5_principal_ent_t entry,
 875                        uint32_t mask)
 876 {
 877     kadm5_ad_context *context = server_handle;
 878 #ifdef OPENLDAP
 879     LDAPMessage *m, *m0;
 880     char **attr = NULL;
 881     int attrlen = 0;
 882     char *filter, *p, *q, *u;
 883     int ret;
 884
 885     /*
 886      * principal
 887      * KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES
 888      */
 889
 890     /*
 891      * return 0 || KADM5_DUP;
 892      */
 893
 894     memset(entry, 0, sizeof(*entry));
 895
 896     if (mask & KADM5_KVNO)
 897         laddattr(&attr, &attrlen, "msDS-KeyVersionNumber");
 898
 899     if (mask & KADM5_PRINCIPAL) {
 900         laddattr(&attr, &attrlen, "userPrincipalName");
 901         laddattr(&attr, &attrlen, "servicePrincipalName");
 902     }
 903     laddattr(&attr, &attrlen, "objectClass");
 904     laddattr(&attr, &attrlen, "lastLogon");
 905     laddattr(&attr, &attrlen, "badPwdCount");
 906     laddattr(&attr, &attrlen, "badPasswordTime");
 907     laddattr(&attr, &attrlen, "pwdLastSet");
 908     laddattr(&attr, &attrlen, "accountExpires");
 909     laddattr(&attr, &attrlen, "userAccountControl");
 910
 911     krb5_unparse_name_short(context->context, principal, &p);
 912     krb5_unparse_name(context->context, principal, &u);
 913
 914     /* replace @ in domain part with a / */
 915     q = strrchr(p, '@');
 916     if (q && (p != q && *(q - 1) != '\\'))
 917         *q = '/';
 918
 919     asprintf(&filter,
 920              "(|(userPrincipalName=%s)(servicePrincipalName=%s)(servicePrincipalName=%s))",
 921              u, p, u);
 922     free(p);
 923     free(u);
 924
 925     ret = ldap_search_s(CTX2LP(context), CTX2BASE(context),
 926                         LDAP_SCOPE_SUBTREE,
 927                         filter, attr, 0, &m);
 928     free(attr);
 929     if (check_ldap(context, ret))
 930         return KADM5_RPC_ERROR;
 931
 932     if (ldap_count_entries(CTX2LP(context), m) > 0) {
 933         char **vals;
 934         m0 = ldap_first_entry(CTX2LP(context), m);
 935         if (m0 == NULL) {
 936             ldap_msgfree(m);
 937             goto fail;
 938         }
 939 #if 0
 940         vals = ldap_get_values(CTX2LP(context), m0, "servicePrincipalName");
 941         if (vals)
 942             printf("servicePrincipalName %s\n", vals[0]);
 943         vals = ldap_get_values(CTX2LP(context), m0, "userPrincipalName");
 944         if (vals)
 945             printf("userPrincipalName %s\n", vals[0]);
 946         vals = ldap_get_values(CTX2LP(context), m0, "userAccountControl");
 947         if (vals)
 948             printf("userAccountControl %s\n", vals[0]);
 949 #endif
 950         entry->princ_expire_time = 0;
 951         if (mask & KADM5_PRINC_EXPIRE_TIME) {
 952             vals = ldap_get_values(CTX2LP(context), m0, "accountExpires");
 953             if (vals)
 954                 entry->princ_expire_time = nt2unixtime(vals[0]);
 955         }
 956         entry->last_success = 0;
 957         if (mask & KADM5_LAST_SUCCESS) {
 958             vals = ldap_get_values(CTX2LP(context), m0, "lastLogon");
 959             if (vals)
 960                 entry->last_success = nt2unixtime(vals[0]);
 961         }
 962         if (mask & KADM5_LAST_FAILED) {
 963             vals = ldap_get_values(CTX2LP(context), m0, "badPasswordTime");
 964             if (vals)
 965                 entry->last_failed = nt2unixtime(vals[0]);
 966         }
 967         if (mask & KADM5_LAST_PWD_CHANGE) {
 968             vals = ldap_get_values(CTX2LP(context), m0, "pwdLastSet");
 969             if (vals)
 970                 entry->last_pwd_change = nt2unixtime(vals[0]);
 971         }
 972         if (mask & KADM5_FAIL_AUTH_COUNT) {
 973             vals = ldap_get_values(CTX2LP(context), m0, "badPwdCount");
 974             if (vals)
 975                 entry->fail_auth_count = atoi(vals[0]);
 976         }
 977         if (mask & KADM5_ATTRIBUTES) {
 978             vals = ldap_get_values(CTX2LP(context), m0, "userAccountControl");
 979             if (vals) {
 980                 uint32_t i;
 981                 i = atoi(vals[0]);
 982                 if (i & (UF_ACCOUNTDISABLE|UF_LOCKOUT))
 983                     entry->attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
 984                 if ((i & UF_DONT_REQUIRE_PREAUTH) == 0)
 985                     entry->attributes |= KRB5_KDB_REQUIRES_PRE_AUTH;
 986                 if (i & UF_SMARTCARD_REQUIRED)
 987                     entry->attributes |= KRB5_KDB_REQUIRES_HW_AUTH;
 988                 if ((i & UF_WORKSTATION_TRUST_ACCOUNT) == 0)
 989                     entry->attributes |= KRB5_KDB_DISALLOW_SVR;
 990             }
 991         }
 992         if (mask & KADM5_KVNO) {
 993             vals = ldap_get_values(CTX2LP(context), m0,
 994                                    "msDS-KeyVersionNumber");
 995             if (vals)
 996                 entry->kvno = atoi(vals[0]);
 997             else
 998                 entry->kvno = 0;
 999         }
1000         ldap_msgfree(m);
1001     } else {
1002         return KADM5_UNK_PRINC;
1003     }
1004
1005     if (mask & KADM5_PRINCIPAL)
1006         krb5_copy_principal(context->context, principal, &entry->principal);
1007
1008     return 0;
1009  fail:
1010     return KADM5_RPC_ERROR;
1011 #else
1012     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1013     return KADM5_RPC_ERROR;
1014 #endif
1015 }
1016
1017 static kadm5_ret_t
1018 kadm5_ad_get_principals(void *server_handle,
1019                         const char *expression,
1020                         char ***principals,
1021                         int *count)
1022 {
1023     kadm5_ad_context *context = server_handle;
1024
1025     /*
1026      * KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES
1027      */
1028
1029 #ifdef OPENLDAP
1030     kadm5_ret_t ret;
1031
1032     ret = ad_get_cred(context, NULL);
1033     if (ret)
1034         return ret;
1035
1036     ret = _kadm5_ad_connect(server_handle);
1037     if (ret)
1038         return ret;
1039
1040     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1041     return KADM5_RPC_ERROR;
1042 #else
1043     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1044     return KADM5_RPC_ERROR;
1045 #endif
1046 }
1047
1048 static kadm5_ret_t
1049 kadm5_ad_get_privs(void *server_handle, uint32_t*privs)
1050 {
1051     kadm5_ad_context *context = server_handle;
1052     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1053     return KADM5_RPC_ERROR;
1054 }
1055
1056 static kadm5_ret_t
1057 kadm5_ad_modify_principal(void *server_handle,
1058                           kadm5_principal_ent_t entry,
1059                           uint32_t mask)
1060 {
1061     kadm5_ad_context *context = server_handle;
1062
1063     /*
1064      * KADM5_ATTRIBUTES
1065      * KRB5_KDB_DISALLOW_ALL_TIX (| KADM5_KVNO)
1066      */
1067
1068 #ifdef OPENLDAP
1069     LDAPMessage *m = NULL, *m0;
1070     kadm5_ret_t ret;
1071     char **attr = NULL;
1072     int attrlen = 0;
1073     char *p = NULL, *s = NULL, *q;
1074     char **vals;
1075     LDAPMod *attrs[4], rattrs[3], *a;
1076     char *uaf[2] = { NULL, NULL };
1077     char *kvno[2] = { NULL, NULL };
1078     char *tv[2] = { NULL, NULL };
1079     char *filter, *dn;
1080     int i;
1081
1082     for (i = 0; i < sizeof(rattrs)/sizeof(rattrs[0]); i++)
1083         attrs[i] = &rattrs[i];
1084     attrs[i] = NULL;
1085     a = &rattrs[0];
1086
1087     ret = _kadm5_ad_connect(server_handle);
1088     if (ret)
1089         return ret;
1090
1091     if (mask & KADM5_KVNO)
1092         laddattr(&attr, &attrlen, "msDS-KeyVersionNumber");
1093     if (mask & KADM5_PRINC_EXPIRE_TIME)
1094         laddattr(&attr, &attrlen, "accountExpires");
1095     if (mask & KADM5_ATTRIBUTES)
1096         laddattr(&attr, &attrlen, "userAccountControl");
1097     laddattr(&attr, &attrlen, "distinguishedName");
1098
1099     krb5_unparse_name(context->context, entry->principal, &p);
1100
1101     s = strdup(p);
1102
1103     q = strrchr(s, '@');
1104     if (q && (p != q && *(q - 1) != '\\'))
1105         *q = '\0';
1106
1107     asprintf(&filter,
1108              "(|(userPrincipalName=%s)(servicePrincipalName=%s))",
1109              s, s);
1110     free(p);
1111     free(s);
1112
1113     ret = ldap_search_s(CTX2LP(context), CTX2BASE(context),
1114                         LDAP_SCOPE_SUBTREE,
1115                         filter, attr, 0, &m);
1116     free(attr);
1117     free(filter);
1118     if (check_ldap(context, ret))
1119         return KADM5_RPC_ERROR;
1120
1121     if (ldap_count_entries(CTX2LP(context), m) <= 0) {
1122         ret = KADM5_RPC_ERROR;
1123         goto out;
1124     }
1125
1126     m0 = ldap_first_entry(CTX2LP(context), m);
1127
1128     if (mask & KADM5_ATTRIBUTES) {
1129         int32_t i;
1130
1131         vals = ldap_get_values(CTX2LP(context), m0, "userAccountControl");
1132         if (vals == NULL) {
1133             ret = KADM5_RPC_ERROR;
1134             goto out;
1135         }
1136
1137         i = atoi(vals[0]);
1138         if (i == 0)
1139             return KADM5_RPC_ERROR;
1140
1141         if (entry->attributes & KRB5_KDB_DISALLOW_ALL_TIX)
1142             i |= (UF_ACCOUNTDISABLE|UF_LOCKOUT);
1143         else
1144             i &= ~(UF_ACCOUNTDISABLE|UF_LOCKOUT);
1145         if (entry->attributes & KRB5_KDB_REQUIRES_PRE_AUTH)
1146             i &= ~UF_DONT_REQUIRE_PREAUTH;
1147         else
1148             i |= UF_DONT_REQUIRE_PREAUTH;
1149         if (entry->attributes & KRB5_KDB_REQUIRES_HW_AUTH)
1150             i |= UF_SMARTCARD_REQUIRED;
1151         else
1152             i &= UF_SMARTCARD_REQUIRED;
1153         if (entry->attributes & KRB5_KDB_DISALLOW_SVR)
1154             i &= ~UF_WORKSTATION_TRUST_ACCOUNT;
1155         else
1156             i |= UF_WORKSTATION_TRUST_ACCOUNT;
1157
1158         asprintf(&uaf[0], "%d", i);
1159
1160         a->mod_op = LDAP_MOD_REPLACE;
1161         a->mod_type = "userAccountControl";
1162         a->mod_values = uaf;
1163         a++;
1164     }
1165
1166     if (mask & KADM5_KVNO) {
1167         vals = ldap_get_values(CTX2LP(context), m0, "msDS-KeyVersionNumber");
1168         if (vals == NULL) {
1169             entry->kvno = 0;
1170         } else {
1171             asprintf(&kvno[0], "%d", entry->kvno);
1172
1173             a->mod_op = LDAP_MOD_REPLACE;
1174             a->mod_type = "msDS-KeyVersionNumber";
1175             a->mod_values = kvno;
1176             a++;
1177         }
1178     }
1179
1180     if (mask & KADM5_PRINC_EXPIRE_TIME) {
1181         long long wt;
1182         vals = ldap_get_values(CTX2LP(context), m0, "accountExpires");
1183         if (vals == NULL) {
1184             ret = KADM5_RPC_ERROR;
1185             goto out;
1186         }
1187
1188         wt = unix2nttime(entry->princ_expire_time);
1189
1190         asprintf(&tv[0], "%llu", wt);
1191
1192         a->mod_op = LDAP_MOD_REPLACE;
1193         a->mod_type = "accountExpires";
1194         a->mod_values = tv;
1195         a++;
1196     }
1197
1198     vals = ldap_get_values(CTX2LP(context), m0, "distinguishedName");
1199     if (vals == NULL) {
1200         ret = KADM5_RPC_ERROR;
1201         goto out;
1202     }
1203     dn = vals[0];
1204
1205     attrs[a - &rattrs[0]] = NULL;
1206
1207     ret = ldap_modify_s(CTX2LP(context), dn, attrs);
1208     if (check_ldap(context, ret))
1209         return KADM5_RPC_ERROR;
1210
1211  out:
1212     if (m)
1213         ldap_msgfree(m);
1214     if (uaf[0])
1215         free(uaf[0]);
1216     if (kvno[0])
1217         free(kvno[0]);
1218     if (tv[0])
1219         free(tv[0]);
1220     return ret;
1221 #else
1222     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1223     return KADM5_RPC_ERROR;
1224 #endif
1225 }
1226
1227 static kadm5_ret_t
1228 kadm5_ad_randkey_principal(void *server_handle,
1229                            krb5_principal principal,
1230                            krb5_keyblock **keys,
1231                            int *n_keys)
1232 {
1233     kadm5_ad_context *context = server_handle;
1234
1235     /*
1236      * random key
1237      */
1238
1239 #ifdef OPENLDAP
1240     krb5_data result_code_string, result_string;
1241     int result_code, plen;
1242     kadm5_ret_t ret;
1243     char *password;
1244
1245     *keys = NULL;
1246     *n_keys = 0;
1247
1248     {
1249         char p[64];
1250         krb5_generate_random_block(p, sizeof(p));
1251         plen = base64_encode(p, sizeof(p), &password);
1252         if (plen < 0)
1253             return ENOMEM;
1254     }
1255
1256     ret = ad_get_cred(context, NULL);
1257     if (ret) {
1258         free(password);
1259         return ret;
1260     }
1261
1262     krb5_data_zero (&result_code_string);
1263     krb5_data_zero (&result_string);
1264
1265     ret = krb5_set_password_using_ccache (context->context,
1266                                           context->ccache,
1267                                           password,
1268                                           principal,
1269                                           &result_code,
1270                                           &result_code_string,
1271                                           &result_string);
1272
1273     krb5_data_free (&result_code_string);
1274     krb5_data_free (&result_string);
1275
1276     if (ret == 0) {
1277
1278         *keys = malloc(sizeof(**keys) * 1);
1279         if (*keys == NULL) {
1280             ret = ENOMEM;
1281             goto out;
1282         }
1283         *n_keys = 1;
1284
1285         ret = krb5_string_to_key(context->context,
1286                                  ENCTYPE_ARCFOUR_HMAC_MD5,
1287                                  password,
1288                                  principal,
1289                                  &(*keys)[0]);
1290         memset(password, 0, sizeof(password));
1291         if (ret) {
1292             free(*keys);
1293             *keys = NULL;
1294             *n_keys = 0;
1295             goto out;
1296         }
1297     }
1298     memset(password, 0, plen);
1299     free(password);
1300  out:
1301     return ret;
1302 #else
1303     *keys = NULL;
1304     *n_keys = 0;
1305
1306     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1307     return KADM5_RPC_ERROR;
1308 #endif
1309 }
1310
1311 static kadm5_ret_t
1312 kadm5_ad_rename_principal(void *server_handle,
1313                           krb5_principal from,
1314                           krb5_principal to)
1315 {
1316     kadm5_ad_context *context = server_handle;
1317     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1318     return KADM5_RPC_ERROR;
1319 }
1320
1321 static kadm5_ret_t
1322 kadm5_ad_chpass_principal_with_key(void *server_handle,
1323                                    krb5_principal princ,
1324                                    int n_key_data,
1325                                    krb5_key_data *key_data)
1326 {
1327     kadm5_ad_context *context = server_handle;
1328     krb5_set_error_message(context->context, KADM5_RPC_ERROR, "Function not implemented");
1329     return KADM5_RPC_ERROR;
1330 }
1331
1332 static void
1333 set_funcs(kadm5_ad_context *c)
1334 {
1335 #define SET(C, F) (C)->funcs.F = kadm5_ad_ ## F
1336     SET(c, chpass_principal);
1337     SET(c, chpass_principal_with_key);
1338     SET(c, create_principal);
1339     SET(c, delete_principal);
1340     SET(c, destroy);
1341     SET(c, flush);
1342     SET(c, get_principal);
1343     SET(c, get_principals);
1344     SET(c, get_privs);
1345     SET(c, modify_principal);
1346     SET(c, randkey_principal);
1347     SET(c, rename_principal);
1348 }
1349
1350 kadm5_ret_t
1351 kadm5_ad_init_with_password_ctx(krb5_context context,
1352                                 const char *client_name,
1353                                 const char *password,
1354                                 const char *service_name,
1355                                 kadm5_config_params *realm_params,
1356                                 unsigned long struct_version,
1357                                 unsigned long api_version,
1358                                 void **server_handle)
1359 {
1360     kadm5_ret_t ret;
1361     kadm5_ad_context *ctx;
1362
1363     ctx = malloc(sizeof(*ctx));
1364     if(ctx == NULL)
1365         return ENOMEM;
1366     memset(ctx, 0, sizeof(*ctx));
1367     set_funcs(ctx);
1368
1369     ctx->context = context;
1370     krb5_add_et_list (context, initialize_kadm5_error_table_r);
1371
1372     ret = krb5_parse_name(ctx->context, client_name, &ctx->caller);
1373     if(ret) {
1374         free(ctx);
1375         return ret;
1376     }
1377
1378     if(realm_params->mask & KADM5_CONFIG_REALM) {
1379         ret = 0;
1380         ctx->realm = strdup(realm_params->realm);
1381         if (ctx->realm == NULL)
1382             ret = ENOMEM;
1383     } else
1384         ret = krb5_get_default_realm(ctx->context, &ctx->realm);
1385     if (ret) {
1386         free(ctx);
1387         return ret;
1388     }
1389
1390     ctx->client_name = strdup(client_name);
1391
1392     if(password != NULL && *password != '\0')
1393         ret = ad_get_cred(ctx, password);
1394     else
1395         ret = ad_get_cred(ctx, NULL);
1396     if(ret) {
1397         kadm5_ad_destroy(ctx);
1398         return ret;
1399     }
1400
1401 #ifdef OPENLDAP
1402     ret = _kadm5_ad_connect(ctx);
1403     if (ret) {
1404         kadm5_ad_destroy(ctx);
1405         return ret;
1406     }
1407 #endif
1408
1409     *server_handle = ctx;
1410     return 0;
1411 }
1412
1413 kadm5_ret_t
1414 kadm5_ad_init_with_password(const char *client_name,
1415                             const char *password,
1416                             const char *service_name,
1417                             kadm5_config_params *realm_params,
1418                             unsigned long struct_version,
1419                             unsigned long api_version,
1420                             void **server_handle)
1421 {
1422     krb5_context context;
1423     kadm5_ret_t ret;
1424     kadm5_ad_context *ctx;
1425
1426     ret = krb5_init_context(&context);
1427     if (ret)
1428         return ret;
1429     ret = kadm5_ad_init_with_password_ctx(context,
1430                                           client_name,
1431                                           password,
1432                                           service_name,
1433                                           realm_params,
1434                                           struct_version,
1435                                           api_version,
1436                                           server_handle);
1437     if(ret) {
1438         krb5_free_context(context);
1439         return ret;
1440     }
1441     ctx = *server_handle;
1442     ctx->my_context = 1;
1443     return 0;
1444 }