add missing )
[heimdal.git] / lib / kadm5 / ad.c
blob117417534cf92d16061add6516c22a69652a17ea
1 /*
2 * Copyright (c) 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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.
34 #define HAVE_TSASL 1
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
50 RCSID("$Id$");
52 #ifdef OPENLDAP
54 #define CTX2LP(context) ((LDAP *)((context)->ldap_conn))
55 #define CTX2BASE(context) ((context)->base_dn)
58 * userAccountControl
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
98 #ifndef HAVE_TSASL
99 static int
100 sasl_interact(LDAP *ld, unsigned flags, void *defaults, void *interact)
102 return LDAP_SUCCESS;
104 #endif
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 */
115 #endif
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)
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;
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;
141 rc = ldap_search_s(ld, "", LDAP_SCOPE_BASE, NULL, attrs, 0, &m0);
142 if (rc != LDAP_SUCCESS)
143 goto out;
145 m = ldap_first_entry(ld, m0);
146 if (m == NULL) {
147 ldap_msgfree(m0);
148 goto out;
151 vals = ldap_get_values(ld, m, "supportedSASLMechanisms");
152 if (vals == NULL) {
153 ldap_msgfree(m0);
154 goto out;
157 ret = tsasl_find_best_mech(peer, vals, &mech);
158 if (ret) {
159 ldap_msgfree(m0);
160 goto out;
163 ldap_msgfree(m0);
165 ret = tsasl_select_mech(peer, mech);
166 if (ret != TSASL_DONE) {
167 rc = LDAP_LOCAL_ERROR;
168 goto out;
171 in.tb_data = NULL;
172 in.tb_size = 0;
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;
181 if (ret != TSASL_DONE && ret != TSASL_CONTINUE) {
182 rc = LDAP_AUTH_UNKNOWN;
183 goto out;
186 ccred.bv_val = out.tb_data;
187 ccred.bv_len = out.tb_size;
189 rc = ldap_sasl_bind_s(ld, dn, mech, &ccred,
190 serverControls, clientControls, &scred);
191 tsasl_buffer_free(&out);
193 if (rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS) {
194 if(scred && scred->bv_len)
195 ber_bvfree(scred);
196 goto out;
199 in.tb_data = malloc(scred->bv_len);
200 if (in.tb_data == NULL) {
201 rc = LDAP_LOCAL_ERROR;
202 goto out;
204 memcpy(in.tb_data, scred->bv_val, scred->bv_len);
205 in.tb_size = scred->bv_len;
206 ber_bvfree(scred);
208 } while (rc == LDAP_SASL_BIND_IN_PROGRESS);
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);
216 #endif
217 } else if (peer != NULL)
218 tsasl_peer_free(peer);
220 return rc;
222 #endif /* HAVE_TSASL */
225 static int
226 check_ldap(kadm5_ad_context *context, int ret)
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;
239 default:
240 return 1;
248 static void
249 laddattr(char ***al, int *attrlen, char *attr)
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;
261 static kadm5_ret_t
262 _kadm5_ad_connect(void *server_handle)
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;
271 if (context->ldap_conn)
272 return 0;
275 struct dns_reply *r;
276 struct resource_record *rr;
277 char *domain;
279 asprintf(&domain, "_ldap._tcp.%s", context->realm);
280 if (domain == NULL) {
281 krb5_set_error_string(context->context, "malloc");
282 return KADM5_NO_SRV;
285 r = dns_lookup(domain, "SRV");
286 free(domain);
287 if (r == NULL) {
288 krb5_set_error_string(context->context, "Didn't find ldap dns");
289 return KADM5_NO_SRV;
292 for (rr = r->head ; rr != NULL; rr = rr->next) {
293 if (rr->type != T_SRV)
294 continue;
295 s = realloc(servers, sizeof(*servers) * (num_servers + 1));
296 if (s == NULL) {
297 krb5_set_error_string(context->context, "malloc");
298 dns_free_data(r);
299 goto fail;
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);
306 dns_free_data(r);
309 if (num_servers == 0) {
310 krb5_set_error_string(context->context, "No AD server found in DNS");
311 return KADM5_NO_SRV;
314 for (i = 0; i < num_servers; i++) {
315 int lret, version = LDAP_VERSION3;
316 LDAP *lp;
318 lp = ldap_init(servers[i].server, servers[i].port);
319 if (lp == NULL)
320 continue;
322 if (ldap_set_option(lp, LDAP_OPT_PROTOCOL_VERSION, &version)) {
323 ldap_unbind(lp);
324 continue;
327 if (ldap_set_option(lp, LDAP_OPT_REFERRALS, LDAP_OPT_OFF)) {
328 ldap_unbind(lp);
329 continue;
332 #ifdef HAVE_TSASL
333 lret = ldap_tsasl_bind_s(lp, NULL, NULL, NULL, servers[i].server);
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_string(context->context,
342 "Couldn't contact any AD servers: %s",
343 ldap_err2string(lret));
344 ldap_unbind(lp);
345 continue;
348 context->ldap_conn = lp;
349 break;
351 if (i >= num_servers) {
352 goto fail;
356 LDAPMessage *m, *m0;
357 char **attr = NULL;
358 int attrlen = 0;
359 char **vals;
360 int ret;
362 laddattr(&attr, &attrlen, "defaultNamingContext");
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;
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_string(context->context,
374 "Error in AD ldap responce");
375 ldap_msgfree(m);
376 goto fail;
378 vals = ldap_get_values(CTX2LP(context),
379 m0, "defaultNamingContext");
380 if (vals == NULL) {
381 krb5_set_error_string(context->context,
382 "No naming context found");
383 goto fail;
385 context->base_dn = strdup(vals[0]);
386 } else
387 goto fail;
388 ldap_msgfree(m);
391 for (i = 0; i < num_servers; i++)
392 free(servers[i].server);
393 free(servers);
395 return 0;
397 fail:
398 for (i = 0; i < num_servers; i++)
399 free(servers[i].server);
400 free(servers);
402 if (context->ldap_conn) {
403 ldap_unbind(CTX2LP(context));
404 context->ldap_conn = NULL;
406 return KADM5_RPC_ERROR;
409 #define NTTIME_EPOCH 0x019DB1DED53E8000LL
411 static time_t
412 nt2unixtime(const char *str)
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;
422 static long long
423 unix2nttime(time_t unix_time)
425 long long wt;
426 wt = unix_time * (long long)10000000 + (long long)NTTIME_EPOCH;
427 return wt;
430 /* XXX create filter in a better way */
432 static int
433 ad_find_entry(kadm5_ad_context *context,
434 const char *fqdn,
435 const char *pn,
436 char **name)
438 LDAPMessage *m, *m0;
439 char *attr[] = { "distinguishedName", NULL };
440 char *filter;
441 int ret;
443 if (name)
444 *name = NULL;
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;
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;
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;
470 if (name)
471 *name = strdup(vals[0]);
472 ldap_msgfree(m);
473 } else
474 return KADM5_UNK_PRINC;
476 return 0;
479 #endif /* OPENLDAP */
481 static kadm5_ret_t
482 ad_get_cred(kadm5_ad_context *context, const char *password)
484 kadm5_ret_t ret;
485 krb5_ccache cc;
486 char *service;
488 if (context->ccache)
489 return 0;
491 asprintf(&service, "%s/%s@%s", KRB5_TGS_NAME,
492 context->realm, context->realm);
493 if (service == NULL)
494 return ENOMEM;
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;
508 static kadm5_ret_t
509 kadm5_ad_chpass_principal(void *server_handle,
510 krb5_principal principal,
511 const char *password)
513 kadm5_ad_context *context = server_handle;
514 krb5_data result_code_string, result_string;
515 int result_code;
516 kadm5_ret_t ret;
518 ret = ad_get_cred(context, NULL);
519 if (ret)
520 return ret;
522 krb5_data_zero (&result_code_string);
523 krb5_data_zero (&result_string);
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);
533 krb5_data_free (&result_code_string);
534 krb5_data_free (&result_string);
536 /* XXX do mapping here on error codes */
538 return ret;
541 #ifdef OPENLDAP
542 static const char *
543 get_fqdn(krb5_context context, const krb5_principal p)
545 const char *s, *hosttypes[] = { "host", "ldap", "gc", "cifs", "dns" };
546 int i;
548 s = krb5_principal_get_comp_string(context, p, 0);
549 if (p == NULL)
550 return NULL;
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);
556 return 0;
558 #endif
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)
567 kadm5_ad_context *context = server_handle;
570 * KADM5_PRINC_EXPIRE_TIME
572 * return 0 || KADM5_DUP;
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;
587 if ((mask & KADM5_PRINCIPAL) == 0)
588 return KADM5_BAD_MASK;
590 for (i = 0; i < sizeof(rattrs)/sizeof(rattrs[0]); i++)
591 attrs[i] = &rattrs[i];
592 attrs[i] = NULL;
594 ret = ad_get_cred(context, NULL);
595 if (ret)
596 return ret;
598 ret = _kadm5_ad_connect(server_handle);
599 if (ret)
600 return ret;
602 fqdn = get_fqdn(context->context, entry->principal);
604 ret = krb5_unparse_name(context->context, entry->principal, &p);
605 if (ret)
606 return ret;
608 if (ad_find_entry(context, fqdn, p, NULL) == 0) {
609 free(p);
610 return KADM5_DUP;
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;
622 realmless_p = strdup(p);
623 if (realmless_p == NULL) {
624 ret = ENOMEM;
625 goto out;
627 s = strrchr(realmless_p, '@');
628 if (s)
629 *s = '\0';
631 if (fqdn) {
632 /* create computer account */
633 asprintf(&samname, "%s$", fqdn);
634 if (samname == NULL) {
635 ret = ENOMEM;
636 goto out;
638 s = strchr(samname, '.');
639 if (s) {
640 s[0] = '$';
641 s[1] = '\0';
644 short_spn = strdup(p);
645 if (short_spn == NULL) {
646 errno = ENOMEM;
647 goto out;
649 s = strchr(short_spn, '.');
650 if (s) {
651 *s = '\0';
652 } else {
653 free(short_spn);
654 short_spn = NULL;
657 p_msrealm = strdup(p);
658 if (p_msrealm == NULL) {
659 errno = ENOMEM;
660 goto out;
662 s = strrchr(p_msrealm, '@');
663 if (s) {
664 *s = '/';
665 } else {
666 free(p_msrealm);
667 p_msrealm = NULL;
670 asprintf(&dn, "cn=%s, cn=Computers, %s", fqdn, CTX2BASE(context));
671 if (dn == NULL) {
672 ret = ENOMEM;
673 goto out;
676 a = &rattrs[0];
677 a->mod_op = LDAP_MOD_ADD;
678 a->mod_type = "objectClass";
679 a->mod_values = ocvals_spn;
680 a++;
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++;
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++;
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++;
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++;
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++;
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++;
734 } else {
735 /* create user account */
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++;
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++;
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++;
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++;
769 attrs[a - &rattrs[0]] = NULL;
771 ret = ldap_add_s(CTX2LP(context), dn, attrs);
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);
786 if (check_ldap(context, ret))
787 return KADM5_RPC_ERROR;
789 return 0;
790 #else
791 krb5_set_error_string(context->context, "Function not implemented");
792 return KADM5_RPC_ERROR;
793 #endif
796 static kadm5_ret_t
797 kadm5_ad_delete_principal(void *server_handle, krb5_principal principal)
799 kadm5_ad_context *context = server_handle;
800 #ifdef OPENLDAP
801 char *p, *dn = NULL;
802 const char *fqdn;
803 int ret;
805 ret = ad_get_cred(context, NULL);
806 if (ret)
807 return ret;
809 ret = _kadm5_ad_connect(server_handle);
810 if (ret)
811 return ret;
813 fqdn = get_fqdn(context->context, principal);
815 ret = krb5_unparse_name(context->context, principal, &p);
816 if (ret)
817 return ret;
819 if (ad_find_entry(context, fqdn, p, &dn) != 0) {
820 free(p);
821 return KADM5_UNK_PRINC;
824 ret = ldap_delete_s(CTX2LP(context), dn);
826 free(dn);
827 free(p);
829 if (check_ldap(context, ret))
830 return KADM5_RPC_ERROR;
831 return 0;
832 #else
833 krb5_set_error_string(context->context, "Function not implemented");
834 return KADM5_RPC_ERROR;
835 #endif
838 static kadm5_ret_t
839 kadm5_ad_destroy(void *server_handle)
841 kadm5_ad_context *context = server_handle;
843 if (context->ccache)
844 krb5_cc_destroy(context->context, context->ccache);
846 #ifdef OPENLDAP
848 LDAP *lp = CTX2LP(context);
849 if (lp)
850 ldap_unbind(lp);
851 if (context->base_dn)
852 free(context->base_dn);
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;
863 static kadm5_ret_t
864 kadm5_ad_flush(void *server_handle)
866 kadm5_ad_context *context = server_handle;
867 #ifdef OPENLDAP
868 krb5_set_error_string(context->context, "Function not implemented");
869 return KADM5_RPC_ERROR;
870 #else
871 krb5_set_error_string(context->context, "Function not implemented");
872 return KADM5_RPC_ERROR;
873 #endif
876 static kadm5_ret_t
877 kadm5_ad_get_principal(void *server_handle,
878 krb5_principal principal,
879 kadm5_principal_ent_t entry,
880 uint32_t mask)
882 kadm5_ad_context *context = server_handle;
883 #ifdef OPENLDAP
884 LDAPMessage *m, *m0;
885 char **attr = NULL;
886 int attrlen = 0;
887 char *filter, *p, *q, *u;
888 int ret;
891 * principal
892 * KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES
896 * return 0 || KADM5_DUP;
899 memset(entry, 0, sizeof(*entry));
901 if (mask & KADM5_KVNO)
902 laddattr(&attr, &attrlen, "msDS-KeyVersionNumber");
904 if (mask & KADM5_PRINCIPAL) {
905 laddattr(&attr, &attrlen, "userPrincipalName");
906 laddattr(&attr, &attrlen, "servicePrincipalName");
908 laddattr(&attr, &attrlen, "objectClass");
909 laddattr(&attr, &attrlen, "lastLogon");
910 laddattr(&attr, &attrlen, "badPwdCount");
911 laddattr(&attr, &attrlen, "badPasswordTime");
912 laddattr(&attr, &attrlen, "pwdLastSet");
913 laddattr(&attr, &attrlen, "accountExpires");
914 laddattr(&attr, &attrlen, "userAccountControl");
916 krb5_unparse_name_short(context->context, principal, &p);
917 krb5_unparse_name(context->context, principal, &u);
919 /* replace @ in domain part with a / */
920 q = strrchr(p, '@');
921 if (q && (p != q && *(q - 1) != '\\'))
922 *q = '/';
924 asprintf(&filter,
925 "(|(userPrincipalName=%s)(servicePrincipalName=%s)(servicePrincipalName=%s))",
926 u, p, u);
927 free(p);
928 free(u);
930 ret = ldap_search_s(CTX2LP(context), CTX2BASE(context),
931 LDAP_SCOPE_SUBTREE,
932 filter, attr, 0, &m);
933 free(attr);
934 if (check_ldap(context, ret))
935 return KADM5_RPC_ERROR;
937 if (ldap_count_entries(CTX2LP(context), m) > 0) {
938 char **vals;
939 m0 = ldap_first_entry(CTX2LP(context), m);
940 if (m0 == NULL) {
941 ldap_msgfree(m);
942 goto fail;
944 #if 0
945 vals = ldap_get_values(CTX2LP(context), m0, "servicePrincipalName");
946 if (vals)
947 printf("servicePrincipalName %s\n", vals[0]);
948 vals = ldap_get_values(CTX2LP(context), m0, "userPrincipalName");
949 if (vals)
950 printf("userPrincipalName %s\n", vals[0]);
951 vals = ldap_get_values(CTX2LP(context), m0, "userAccountControl");
952 if (vals)
953 printf("userAccountControl %s\n", vals[0]);
954 #endif
955 entry->princ_expire_time = 0;
956 if (mask & KADM5_PRINC_EXPIRE_TIME) {
957 vals = ldap_get_values(CTX2LP(context), m0, "accountExpires");
958 if (vals)
959 entry->princ_expire_time = nt2unixtime(vals[0]);
961 entry->last_success = 0;
962 if (mask & KADM5_LAST_SUCCESS) {
963 vals = ldap_get_values(CTX2LP(context), m0, "lastLogon");
964 if (vals)
965 entry->last_success = nt2unixtime(vals[0]);
967 if (mask & KADM5_LAST_FAILED) {
968 vals = ldap_get_values(CTX2LP(context), m0, "badPasswordTime");
969 if (vals)
970 entry->last_failed = nt2unixtime(vals[0]);
972 if (mask & KADM5_LAST_PWD_CHANGE) {
973 vals = ldap_get_values(CTX2LP(context), m0, "pwdLastSet");
974 if (vals)
975 entry->last_pwd_change = nt2unixtime(vals[0]);
977 if (mask & KADM5_FAIL_AUTH_COUNT) {
978 vals = ldap_get_values(CTX2LP(context), m0, "badPwdCount");
979 if (vals)
980 entry->fail_auth_count = atoi(vals[0]);
982 if (mask & KADM5_ATTRIBUTES) {
983 vals = ldap_get_values(CTX2LP(context), m0, "userAccountControl");
984 if (vals) {
985 uint32_t i;
986 i = atoi(vals[0]);
987 if (i & (UF_ACCOUNTDISABLE|UF_LOCKOUT))
988 entry->attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
989 if ((i & UF_DONT_REQUIRE_PREAUTH) == 0)
990 entry->attributes |= KRB5_KDB_REQUIRES_PRE_AUTH;
991 if (i & UF_SMARTCARD_REQUIRED)
992 entry->attributes |= KRB5_KDB_REQUIRES_HW_AUTH;
993 if ((i & UF_WORKSTATION_TRUST_ACCOUNT) == 0)
994 entry->attributes |= KRB5_KDB_DISALLOW_SVR;
997 if (mask & KADM5_KVNO) {
998 vals = ldap_get_values(CTX2LP(context), m0,
999 "msDS-KeyVersionNumber");
1000 if (vals)
1001 entry->kvno = atoi(vals[0]);
1002 else
1003 entry->kvno = 0;
1005 ldap_msgfree(m);
1006 } else {
1007 return KADM5_UNK_PRINC;
1010 if (mask & KADM5_PRINCIPAL)
1011 krb5_copy_principal(context->context, principal, &entry->principal);
1013 return 0;
1014 fail:
1015 return KADM5_RPC_ERROR;
1016 #else
1017 krb5_set_error_string(context->context, "Function not implemented");
1018 return KADM5_RPC_ERROR;
1019 #endif
1022 static kadm5_ret_t
1023 kadm5_ad_get_principals(void *server_handle,
1024 const char *expression,
1025 char ***principals,
1026 int *count)
1028 kadm5_ad_context *context = server_handle;
1031 * KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES
1034 #ifdef OPENLDAP
1035 kadm5_ret_t ret;
1037 ret = ad_get_cred(context, NULL);
1038 if (ret)
1039 return ret;
1041 ret = _kadm5_ad_connect(server_handle);
1042 if (ret)
1043 return ret;
1045 krb5_set_error_string(context->context, "Function not implemented");
1046 return KADM5_RPC_ERROR;
1047 #else
1048 krb5_set_error_string(context->context, "Function not implemented");
1049 return KADM5_RPC_ERROR;
1050 #endif
1053 static kadm5_ret_t
1054 kadm5_ad_get_privs(void *server_handle, uint32_t*privs)
1056 kadm5_ad_context *context = server_handle;
1057 krb5_set_error_string(context->context, "Function not implemented");
1058 return KADM5_RPC_ERROR;
1061 static kadm5_ret_t
1062 kadm5_ad_modify_principal(void *server_handle,
1063 kadm5_principal_ent_t entry,
1064 uint32_t mask)
1066 kadm5_ad_context *context = server_handle;
1069 * KADM5_ATTRIBUTES
1070 * KRB5_KDB_DISALLOW_ALL_TIX (| KADM5_KVNO)
1073 #ifdef OPENLDAP
1074 LDAPMessage *m = NULL, *m0;
1075 kadm5_ret_t ret;
1076 char **attr = NULL;
1077 int attrlen = 0;
1078 char *p = NULL, *s = NULL, *q;
1079 char **vals;
1080 LDAPMod *attrs[4], rattrs[3], *a;
1081 char *uaf[2] = { NULL, NULL };
1082 char *kvno[2] = { NULL, NULL };
1083 char *tv[2] = { NULL, NULL };
1084 char *filter, *dn;
1085 int i;
1087 for (i = 0; i < sizeof(rattrs)/sizeof(rattrs[0]); i++)
1088 attrs[i] = &rattrs[i];
1089 attrs[i] = NULL;
1090 a = &rattrs[0];
1092 ret = _kadm5_ad_connect(server_handle);
1093 if (ret)
1094 return ret;
1096 if (mask & KADM5_KVNO)
1097 laddattr(&attr, &attrlen, "msDS-KeyVersionNumber");
1098 if (mask & KADM5_PRINC_EXPIRE_TIME)
1099 laddattr(&attr, &attrlen, "accountExpires");
1100 if (mask & KADM5_ATTRIBUTES)
1101 laddattr(&attr, &attrlen, "userAccountControl");
1102 laddattr(&attr, &attrlen, "distinguishedName");
1104 krb5_unparse_name(context->context, entry->principal, &p);
1106 s = strdup(p);
1108 q = strrchr(s, '@');
1109 if (q && (p != q && *(q - 1) != '\\'))
1110 *q = '\0';
1112 asprintf(&filter,
1113 "(|(userPrincipalName=%s)(servicePrincipalName=%s))",
1114 s, s);
1115 free(p);
1116 free(s);
1118 ret = ldap_search_s(CTX2LP(context), CTX2BASE(context),
1119 LDAP_SCOPE_SUBTREE,
1120 filter, attr, 0, &m);
1121 free(attr);
1122 free(filter);
1123 if (check_ldap(context, ret))
1124 return KADM5_RPC_ERROR;
1126 if (ldap_count_entries(CTX2LP(context), m) <= 0) {
1127 ret = KADM5_RPC_ERROR;
1128 goto out;
1131 m0 = ldap_first_entry(CTX2LP(context), m);
1133 if (mask & KADM5_ATTRIBUTES) {
1134 int32_t i;
1136 vals = ldap_get_values(CTX2LP(context), m0, "userAccountControl");
1137 if (vals == NULL) {
1138 ret = KADM5_RPC_ERROR;
1139 goto out;
1142 i = atoi(vals[0]);
1143 if (i == 0)
1144 return KADM5_RPC_ERROR;
1146 if (entry->attributes & KRB5_KDB_DISALLOW_ALL_TIX)
1147 i |= (UF_ACCOUNTDISABLE|UF_LOCKOUT);
1148 else
1149 i &= ~(UF_ACCOUNTDISABLE|UF_LOCKOUT);
1150 if (entry->attributes & KRB5_KDB_REQUIRES_PRE_AUTH)
1151 i &= ~UF_DONT_REQUIRE_PREAUTH;
1152 else
1153 i |= UF_DONT_REQUIRE_PREAUTH;
1154 if (entry->attributes & KRB5_KDB_REQUIRES_HW_AUTH)
1155 i |= UF_SMARTCARD_REQUIRED;
1156 else
1157 i &= UF_SMARTCARD_REQUIRED;
1158 if (entry->attributes & KRB5_KDB_DISALLOW_SVR)
1159 i &= ~UF_WORKSTATION_TRUST_ACCOUNT;
1160 else
1161 i |= UF_WORKSTATION_TRUST_ACCOUNT;
1163 asprintf(&uaf[0], "%d", i);
1165 a->mod_op = LDAP_MOD_REPLACE;
1166 a->mod_type = "userAccountControl";
1167 a->mod_values = uaf;
1168 a++;
1171 if (mask & KADM5_KVNO) {
1172 vals = ldap_get_values(CTX2LP(context), m0, "msDS-KeyVersionNumber");
1173 if (vals == NULL) {
1174 entry->kvno = 0;
1175 } else {
1176 asprintf(&kvno[0], "%d", entry->kvno);
1178 a->mod_op = LDAP_MOD_REPLACE;
1179 a->mod_type = "msDS-KeyVersionNumber";
1180 a->mod_values = kvno;
1181 a++;
1185 if (mask & KADM5_PRINC_EXPIRE_TIME) {
1186 long long wt;
1187 vals = ldap_get_values(CTX2LP(context), m0, "accountExpires");
1188 if (vals == NULL) {
1189 ret = KADM5_RPC_ERROR;
1190 goto out;
1193 wt = unix2nttime(entry->princ_expire_time);
1195 asprintf(&tv[0], "%llu", wt);
1197 a->mod_op = LDAP_MOD_REPLACE;
1198 a->mod_type = "accountExpires";
1199 a->mod_values = tv;
1200 a++;
1203 vals = ldap_get_values(CTX2LP(context), m0, "distinguishedName");
1204 if (vals == NULL) {
1205 ret = KADM5_RPC_ERROR;
1206 goto out;
1208 dn = vals[0];
1210 attrs[a - &rattrs[0]] = NULL;
1212 ret = ldap_modify_s(CTX2LP(context), dn, attrs);
1213 if (check_ldap(context, ret))
1214 return KADM5_RPC_ERROR;
1216 out:
1217 if (m)
1218 ldap_msgfree(m);
1219 if (uaf[0])
1220 free(uaf[0]);
1221 if (kvno[0])
1222 free(kvno[0]);
1223 if (tv[0])
1224 free(tv[0]);
1225 return ret;
1226 #else
1227 krb5_set_error_string(context->context, "Function not implemented");
1228 return KADM5_RPC_ERROR;
1229 #endif
1232 static kadm5_ret_t
1233 kadm5_ad_randkey_principal(void *server_handle,
1234 krb5_principal principal,
1235 krb5_keyblock **keys,
1236 int *n_keys)
1238 kadm5_ad_context *context = server_handle;
1241 * random key
1244 #ifdef OPENLDAP
1245 krb5_data result_code_string, result_string;
1246 int result_code, plen;
1247 kadm5_ret_t ret;
1248 char *password;
1250 *keys = NULL;
1251 *n_keys = 0;
1254 char p[64];
1255 krb5_generate_random_block(p, sizeof(p));
1256 plen = base64_encode(p, sizeof(p), &password);
1257 if (plen < 0)
1258 return ENOMEM;
1261 ret = ad_get_cred(context, NULL);
1262 if (ret) {
1263 free(password);
1264 return ret;
1267 krb5_data_zero (&result_code_string);
1268 krb5_data_zero (&result_string);
1270 ret = krb5_set_password_using_ccache (context->context,
1271 context->ccache,
1272 password,
1273 principal,
1274 &result_code,
1275 &result_code_string,
1276 &result_string);
1278 krb5_data_free (&result_code_string);
1279 krb5_data_free (&result_string);
1281 if (ret == 0) {
1283 *keys = malloc(sizeof(**keys) * 1);
1284 if (*keys == NULL) {
1285 ret = ENOMEM;
1286 goto out;
1288 *n_keys = 1;
1290 ret = krb5_string_to_key(context->context,
1291 ENCTYPE_ARCFOUR_HMAC_MD5,
1292 password,
1293 principal,
1294 &(*keys)[0]);
1295 memset(password, 0, sizeof(password));
1296 if (ret) {
1297 free(*keys);
1298 *keys = NULL;
1299 *n_keys = 0;
1300 goto out;
1303 memset(password, 0, plen);
1304 free(password);
1305 out:
1306 return ret;
1307 #else
1308 *keys = NULL;
1309 *n_keys = 0;
1311 krb5_set_error_string(context->context, "Function not implemented");
1312 return KADM5_RPC_ERROR;
1313 #endif
1316 static kadm5_ret_t
1317 kadm5_ad_rename_principal(void *server_handle,
1318 krb5_principal from,
1319 krb5_principal to)
1321 kadm5_ad_context *context = server_handle;
1322 krb5_set_error_string(context->context, "Function not implemented");
1323 return KADM5_RPC_ERROR;
1326 static kadm5_ret_t
1327 kadm5_ad_chpass_principal_with_key(void *server_handle,
1328 krb5_principal princ,
1329 int n_key_data,
1330 krb5_key_data *key_data)
1332 kadm5_ad_context *context = server_handle;
1333 krb5_set_error_string(context->context, "Function not implemented");
1334 return KADM5_RPC_ERROR;
1337 static void
1338 set_funcs(kadm5_ad_context *c)
1340 #define SET(C, F) (C)->funcs.F = kadm5_ad_ ## F
1341 SET(c, chpass_principal);
1342 SET(c, chpass_principal_with_key);
1343 SET(c, create_principal);
1344 SET(c, delete_principal);
1345 SET(c, destroy);
1346 SET(c, flush);
1347 SET(c, get_principal);
1348 SET(c, get_principals);
1349 SET(c, get_privs);
1350 SET(c, modify_principal);
1351 SET(c, randkey_principal);
1352 SET(c, rename_principal);
1355 kadm5_ret_t
1356 kadm5_ad_init_with_password_ctx(krb5_context context,
1357 const char *client_name,
1358 const char *password,
1359 const char *service_name,
1360 kadm5_config_params *realm_params,
1361 unsigned long struct_version,
1362 unsigned long api_version,
1363 void **server_handle)
1365 kadm5_ret_t ret;
1366 kadm5_ad_context *ctx;
1368 ctx = malloc(sizeof(*ctx));
1369 if(ctx == NULL)
1370 return ENOMEM;
1371 memset(ctx, 0, sizeof(*ctx));
1372 set_funcs(ctx);
1374 ctx->context = context;
1375 krb5_add_et_list (context, initialize_kadm5_error_table_r);
1377 ret = krb5_parse_name(ctx->context, client_name, &ctx->caller);
1378 if(ret) {
1379 free(ctx);
1380 return ret;
1383 if(realm_params->mask & KADM5_CONFIG_REALM) {
1384 ret = 0;
1385 ctx->realm = strdup(realm_params->realm);
1386 if (ctx->realm == NULL)
1387 ret = ENOMEM;
1388 } else
1389 ret = krb5_get_default_realm(ctx->context, &ctx->realm);
1390 if (ret) {
1391 free(ctx);
1392 return ret;
1395 ctx->client_name = strdup(client_name);
1397 if(password != NULL && *password != '\0')
1398 ret = ad_get_cred(ctx, password);
1399 else
1400 ret = ad_get_cred(ctx, NULL);
1401 if(ret) {
1402 kadm5_ad_destroy(ctx);
1403 return ret;
1406 #ifdef OPENLDAP
1407 ret = _kadm5_ad_connect(ctx);
1408 if (ret) {
1409 kadm5_ad_destroy(ctx);
1410 return ret;
1412 #endif
1414 *server_handle = ctx;
1415 return 0;
1418 kadm5_ret_t
1419 kadm5_ad_init_with_password(const char *client_name,
1420 const char *password,
1421 const char *service_name,
1422 kadm5_config_params *realm_params,
1423 unsigned long struct_version,
1424 unsigned long api_version,
1425 void **server_handle)
1427 krb5_context context;
1428 kadm5_ret_t ret;
1429 kadm5_ad_context *ctx;
1431 ret = krb5_init_context(&context);
1432 if (ret)
1433 return ret;
1434 ret = kadm5_ad_init_with_password_ctx(context,
1435 client_name,
1436 password,
1437 service_name,
1438 realm_params,
1439 struct_version,
1440 api_version,
1441 server_handle);
1442 if(ret) {
1443 krb5_free_context(context);
1444 return ret;
1446 ctx = *server_handle;
1447 ctx->my_context = 1;
1448 return 0;