testprogs: Set functional domain level to 2003.
[Samba.git] / source3 / lib / tldap.c
blob5d3773e4c7c67df85e6e44fd525c90d6de4787a3
1 /*
2 Unix SMB/CIFS implementation.
3 Infrastructure for async ldap client requests
4 Copyright (C) Volker Lendecke 2009
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "includes.h"
21 #include "tldap.h"
22 #include "../lib/util/asn1.h"
23 #include "../lib/tsocket/tsocket.h"
24 #include "../lib/util/tevent_unix.h"
26 static int tldap_simple_recv(struct tevent_req *req);
28 bool tevent_req_is_ldap_error(struct tevent_req *req, int *perr)
30 enum tevent_req_state state;
31 uint64_t err;
33 if (!tevent_req_is_error(req, &state, &err)) {
34 return false;
36 switch (state) {
37 case TEVENT_REQ_TIMED_OUT:
38 *perr = TLDAP_TIMEOUT;
39 break;
40 case TEVENT_REQ_NO_MEMORY:
41 *perr = TLDAP_NO_MEMORY;
42 break;
43 case TEVENT_REQ_USER_ERROR:
44 *perr = err;
45 break;
46 default:
47 *perr = TLDAP_OPERATIONS_ERROR;
48 break;
50 return true;
53 struct tldap_ctx_attribute {
54 char *name;
55 void *ptr;
58 struct tldap_context {
59 int ld_version;
60 int ld_deref;
61 int ld_sizelimit;
62 int ld_timelimit;
63 struct tstream_context *conn;
64 bool server_down;
65 int msgid;
66 struct tevent_queue *outgoing;
67 struct tevent_req **pending;
69 /* For the sync wrappers we need something like get_last_error... */
70 struct tldap_message *last_msg;
72 /* debug */
73 void (*log_fn)(void *context, enum tldap_debug_level level,
74 const char *fmt, va_list ap);
75 void *log_private;
77 struct tldap_ctx_attribute *ctx_attrs;
80 struct tldap_message {
81 struct asn1_data *data;
82 uint8_t *inbuf;
83 int type;
84 int id;
86 /* RESULT_ENTRY */
87 char *dn;
88 struct tldap_attribute *attribs;
90 /* Error data sent by the server */
91 int lderr;
92 char *res_matcheddn;
93 char *res_diagnosticmessage;
94 char *res_referral;
95 struct tldap_control *res_sctrls;
97 /* Controls sent by the server */
98 struct tldap_control *ctrls;
101 void tldap_set_debug(struct tldap_context *ld,
102 void (*log_fn)(void *log_private,
103 enum tldap_debug_level level,
104 const char *fmt,
105 va_list ap) PRINTF_ATTRIBUTE(3,0),
106 void *log_private)
108 ld->log_fn = log_fn;
109 ld->log_private = log_private;
112 static void tldap_debug(struct tldap_context *ld,
113 enum tldap_debug_level level,
114 const char *fmt, ...)
116 va_list ap;
117 if (!ld) {
118 return;
120 if (ld->log_fn == NULL) {
121 return;
123 va_start(ap, fmt);
124 ld->log_fn(ld->log_private, level, fmt, ap);
125 va_end(ap);
128 static int tldap_next_msgid(struct tldap_context *ld)
130 int result;
132 result = ld->msgid++;
133 if (ld->msgid == 2147483647) {
134 ld->msgid = 1;
136 return result;
139 struct tldap_context *tldap_context_create(TALLOC_CTX *mem_ctx, int fd)
141 struct tldap_context *ctx;
142 int ret;
144 ctx = talloc_zero(mem_ctx, struct tldap_context);
145 if (ctx == NULL) {
146 return NULL;
148 ret = tstream_bsd_existing_socket(ctx, fd, &ctx->conn);
149 if (ret == -1) {
150 TALLOC_FREE(ctx);
151 return NULL;
153 ctx->msgid = 1;
154 ctx->ld_version = 3;
155 ctx->outgoing = tevent_queue_create(ctx, "tldap_outgoing");
156 if (ctx->outgoing == NULL) {
157 TALLOC_FREE(ctx);
158 return NULL;
160 return ctx;
163 bool tldap_connection_ok(struct tldap_context *ld)
165 if (ld == NULL) {
166 return false;
168 return !ld->server_down;
171 static struct tldap_ctx_attribute *tldap_context_findattr(
172 struct tldap_context *ld, const char *name)
174 int i, num_attrs;
176 num_attrs = talloc_array_length(ld->ctx_attrs);
178 for (i=0; i<num_attrs; i++) {
179 if (strcmp(ld->ctx_attrs[i].name, name) == 0) {
180 return &ld->ctx_attrs[i];
183 return NULL;
186 bool tldap_context_setattr(struct tldap_context *ld,
187 const char *name, const void *_pptr)
189 struct tldap_ctx_attribute *tmp, *attr;
190 char *tmpname;
191 int num_attrs;
192 void **pptr = (void **)discard_const_p(void,_pptr);
194 attr = tldap_context_findattr(ld, name);
195 if (attr != NULL) {
197 * We don't actually delete attrs, we don't expect tons of
198 * attributes being shuffled around.
200 TALLOC_FREE(attr->ptr);
201 if (*pptr != NULL) {
202 attr->ptr = talloc_move(ld->ctx_attrs, pptr);
203 *pptr = NULL;
205 return true;
208 tmpname = talloc_strdup(ld, name);
209 if (tmpname == NULL) {
210 return false;
213 num_attrs = talloc_array_length(ld->ctx_attrs);
215 tmp = talloc_realloc(ld, ld->ctx_attrs, struct tldap_ctx_attribute,
216 num_attrs+1);
217 if (tmp == NULL) {
218 TALLOC_FREE(tmpname);
219 return false;
221 tmp[num_attrs].name = talloc_move(tmp, &tmpname);
222 if (*pptr != NULL) {
223 tmp[num_attrs].ptr = talloc_move(tmp, pptr);
224 } else {
225 tmp[num_attrs].ptr = NULL;
227 *pptr = NULL;
228 ld->ctx_attrs = tmp;
229 return true;
232 void *tldap_context_getattr(struct tldap_context *ld, const char *name)
234 struct tldap_ctx_attribute *attr = tldap_context_findattr(ld, name);
236 if (attr == NULL) {
237 return NULL;
239 return attr->ptr;
242 struct read_ldap_state {
243 uint8_t *buf;
244 bool done;
247 static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data);
248 static void read_ldap_done(struct tevent_req *subreq);
250 static struct tevent_req *read_ldap_send(TALLOC_CTX *mem_ctx,
251 struct tevent_context *ev,
252 struct tstream_context *conn)
254 struct tevent_req *req, *subreq;
255 struct read_ldap_state *state;
257 req = tevent_req_create(mem_ctx, &state, struct read_ldap_state);
258 if (req == NULL) {
259 return NULL;
261 state->done = false;
263 subreq = tstream_read_packet_send(state, ev, conn, 2, read_ldap_more,
264 state);
265 if (tevent_req_nomem(subreq, req)) {
266 return tevent_req_post(req, ev);
268 tevent_req_set_callback(subreq, read_ldap_done, req);
269 return req;
272 static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data)
274 struct read_ldap_state *state = talloc_get_type_abort(
275 private_data, struct read_ldap_state);
276 size_t len;
277 int i, lensize;
279 if (state->done) {
280 /* We've been here, we're done */
281 return 0;
285 * From ldap.h: LDAP_TAG_MESSAGE is 0x30
287 if (buf[0] != 0x30) {
288 return -1;
291 len = buf[1];
292 if ((len & 0x80) == 0) {
293 state->done = true;
294 return len;
297 lensize = (len & 0x7f);
298 len = 0;
300 if (buflen == 2) {
301 /* Please get us the full length */
302 return lensize;
304 if (buflen > 2 + lensize) {
305 state->done = true;
306 return 0;
308 if (buflen != 2 + lensize) {
309 return -1;
312 for (i=0; i<lensize; i++) {
313 len = (len << 8) | buf[2+i];
315 return len;
318 static void read_ldap_done(struct tevent_req *subreq)
320 struct tevent_req *req = tevent_req_callback_data(
321 subreq, struct tevent_req);
322 struct read_ldap_state *state = tevent_req_data(
323 req, struct read_ldap_state);
324 ssize_t nread;
325 int err;
327 nread = tstream_read_packet_recv(subreq, state, &state->buf, &err);
328 TALLOC_FREE(subreq);
329 if (nread == -1) {
330 tevent_req_error(req, err);
331 return;
333 tevent_req_done(req);
336 static ssize_t read_ldap_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
337 uint8_t **pbuf, int *perrno)
339 struct read_ldap_state *state = tevent_req_data(
340 req, struct read_ldap_state);
342 if (tevent_req_is_unix_error(req, perrno)) {
343 return -1;
345 *pbuf = talloc_move(mem_ctx, &state->buf);
346 return talloc_get_size(*pbuf);
349 struct tldap_msg_state {
350 struct tldap_context *ld;
351 struct tevent_context *ev;
352 int id;
353 struct iovec iov;
355 struct asn1_data *data;
356 uint8_t *inbuf;
359 static bool tldap_push_controls(struct asn1_data *data,
360 struct tldap_control *sctrls,
361 int num_sctrls)
363 int i;
365 if ((sctrls == NULL) || (num_sctrls == 0)) {
366 return true;
369 if (!asn1_push_tag(data, ASN1_CONTEXT(0))) return false;
371 for (i=0; i<num_sctrls; i++) {
372 struct tldap_control *c = &sctrls[i];
373 if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) return false;
374 if (!asn1_write_OctetString(data, c->oid, strlen(c->oid))) return false;
375 if (c->critical) {
376 if (!asn1_write_BOOLEAN(data, true)) return false;
378 if (c->value.data != NULL) {
379 if (!asn1_write_OctetString(data, c->value.data,
380 c->value.length)) return false;
382 if (!asn1_pop_tag(data)) return false; /* ASN1_SEQUENCE(0) */
385 return asn1_pop_tag(data); /* ASN1_CONTEXT(0) */
388 static void tldap_msg_sent(struct tevent_req *subreq);
389 static void tldap_msg_received(struct tevent_req *subreq);
391 static struct tevent_req *tldap_msg_send(TALLOC_CTX *mem_ctx,
392 struct tevent_context *ev,
393 struct tldap_context *ld,
394 int id, struct asn1_data *data,
395 struct tldap_control *sctrls,
396 int num_sctrls)
398 struct tevent_req *req, *subreq;
399 struct tldap_msg_state *state;
400 DATA_BLOB blob;
402 tldap_debug(ld, TLDAP_DEBUG_TRACE, "tldap_msg_send: sending msg %d\n",
403 id);
405 req = tevent_req_create(mem_ctx, &state, struct tldap_msg_state);
406 if (req == NULL) {
407 return NULL;
409 state->ld = ld;
410 state->ev = ev;
411 state->id = id;
413 if (state->ld->server_down) {
414 tevent_req_error(req, TLDAP_SERVER_DOWN);
415 return tevent_req_post(req, ev);
418 if (!tldap_push_controls(data, sctrls, num_sctrls)) {
419 tevent_req_error(req, TLDAP_ENCODING_ERROR);
420 return tevent_req_post(req, ev);
424 if (!asn1_pop_tag(data)) {
425 tevent_req_error(req, TLDAP_ENCODING_ERROR);
426 return tevent_req_post(req, ev);
429 if (!asn1_blob(data, &blob)) {
430 tevent_req_error(req, TLDAP_ENCODING_ERROR);
431 return tevent_req_post(req, ev);
434 state->iov.iov_base = (void *)blob.data;
435 state->iov.iov_len = blob.length;
437 subreq = tstream_writev_queue_send(state, ev, ld->conn, ld->outgoing,
438 &state->iov, 1);
439 if (tevent_req_nomem(subreq, req)) {
440 return tevent_req_post(req, ev);
442 tevent_req_set_callback(subreq, tldap_msg_sent, req);
443 return req;
446 static void tldap_msg_unset_pending(struct tevent_req *req)
448 struct tldap_msg_state *state = tevent_req_data(
449 req, struct tldap_msg_state);
450 struct tldap_context *ld = state->ld;
451 int num_pending = talloc_array_length(ld->pending);
452 int i;
454 tevent_req_set_cleanup_fn(req, NULL);
456 if (num_pending == 1) {
457 TALLOC_FREE(ld->pending);
458 return;
461 for (i=0; i<num_pending; i++) {
462 if (req == ld->pending[i]) {
463 break;
466 if (i == num_pending) {
468 * Something's seriously broken. Just returning here is the
469 * right thing nevertheless, the point of this routine is to
470 * remove ourselves from cli->pending.
472 return;
476 * Remove ourselves from the cli->pending array
478 if (num_pending > 1) {
479 ld->pending[i] = ld->pending[num_pending-1];
483 * No NULL check here, we're shrinking by sizeof(void *), and
484 * talloc_realloc just adjusts the size for this.
486 ld->pending = talloc_realloc(NULL, ld->pending, struct tevent_req *,
487 num_pending - 1);
488 return;
491 static void tldap_msg_cleanup(struct tevent_req *req,
492 enum tevent_req_state req_state)
494 switch (req_state) {
495 case TEVENT_REQ_USER_ERROR:
496 case TEVENT_REQ_RECEIVED:
497 tldap_msg_unset_pending(req);
498 return;
499 default:
500 return;
504 static bool tldap_msg_set_pending(struct tevent_req *req)
506 struct tldap_msg_state *state = tevent_req_data(
507 req, struct tldap_msg_state);
508 struct tldap_context *ld;
509 struct tevent_req **pending;
510 int num_pending;
511 struct tevent_req *subreq;
513 ld = state->ld;
514 num_pending = talloc_array_length(ld->pending);
516 pending = talloc_realloc(ld, ld->pending, struct tevent_req *,
517 num_pending+1);
518 if (pending == NULL) {
519 return false;
521 pending[num_pending] = req;
522 ld->pending = pending;
523 tevent_req_set_cleanup_fn(req, tldap_msg_cleanup);
525 if (num_pending > 0) {
526 return true;
530 * We're the first one, add the read_ldap request that waits for the
531 * answer from the server
533 subreq = read_ldap_send(ld->pending, state->ev, ld->conn);
534 if (subreq == NULL) {
535 tldap_msg_unset_pending(req);
536 return false;
538 tevent_req_set_callback(subreq, tldap_msg_received, ld);
539 return true;
542 static void tldap_msg_sent(struct tevent_req *subreq)
544 struct tevent_req *req = tevent_req_callback_data(
545 subreq, struct tevent_req);
546 struct tldap_msg_state *state = tevent_req_data(
547 req, struct tldap_msg_state);
548 ssize_t nwritten;
549 int err;
551 nwritten = tstream_writev_queue_recv(subreq, &err);
552 TALLOC_FREE(subreq);
553 if (nwritten == -1) {
554 state->ld->server_down = true;
555 tevent_req_error(req, TLDAP_SERVER_DOWN);
556 return;
559 if (!tldap_msg_set_pending(req)) {
560 tevent_req_oom(req);
561 return;
565 static int tldap_msg_msgid(struct tevent_req *req)
567 struct tldap_msg_state *state = tevent_req_data(
568 req, struct tldap_msg_state);
570 return state->id;
573 static void tldap_msg_received(struct tevent_req *subreq)
575 struct tldap_context *ld = tevent_req_callback_data(
576 subreq, struct tldap_context);
577 struct tevent_req *req;
578 struct tldap_msg_state *state;
579 struct asn1_data *data;
580 uint8_t *inbuf;
581 ssize_t received;
582 size_t num_pending;
583 int i, err, status;
584 int id;
585 uint8_t type;
586 bool ok;
588 received = read_ldap_recv(subreq, talloc_tos(), &inbuf, &err);
589 TALLOC_FREE(subreq);
590 if (received == -1) {
591 status = TLDAP_SERVER_DOWN;
592 goto fail;
595 data = asn1_init(talloc_tos());
596 if (data == NULL) {
597 status = TLDAP_NO_MEMORY;
598 goto fail;
600 asn1_load_nocopy(data, inbuf, received);
602 ok = true;
603 ok &= asn1_start_tag(data, ASN1_SEQUENCE(0));
604 ok &= asn1_read_Integer(data, &id);
605 ok &= asn1_peek_uint8(data, &type);
607 if (!ok) {
608 status = TLDAP_PROTOCOL_ERROR;
609 goto fail;
612 tldap_debug(ld, TLDAP_DEBUG_TRACE, "tldap_msg_received: got msg %d "
613 "type %d\n", id, (int)type);
615 num_pending = talloc_array_length(ld->pending);
617 for (i=0; i<num_pending; i++) {
618 if (id == tldap_msg_msgid(ld->pending[i])) {
619 break;
622 if (i == num_pending) {
623 /* Dump unexpected reply */
624 tldap_debug(ld, TLDAP_DEBUG_WARNING, "tldap_msg_received: "
625 "No request pending for msg %d\n", id);
626 TALLOC_FREE(data);
627 TALLOC_FREE(inbuf);
628 goto done;
631 req = ld->pending[i];
632 state = tevent_req_data(req, struct tldap_msg_state);
634 state->inbuf = talloc_move(state, &inbuf);
635 state->data = talloc_move(state, &data);
637 tldap_msg_unset_pending(req);
638 num_pending = talloc_array_length(ld->pending);
640 tevent_req_done(req);
642 done:
643 if (num_pending == 0) {
644 return;
646 if (talloc_array_length(ld->pending) > num_pending) {
648 * The callback functions called from tevent_req_done() above
649 * have put something on the pending queue. We don't have to
650 * trigger the read_ldap_send(), tldap_msg_set_pending() has
651 * done it for us already.
653 return;
656 state = tevent_req_data(ld->pending[0], struct tldap_msg_state);
657 subreq = read_ldap_send(ld->pending, state->ev, ld->conn);
658 if (subreq == NULL) {
659 status = TLDAP_NO_MEMORY;
660 goto fail;
662 tevent_req_set_callback(subreq, tldap_msg_received, ld);
663 return;
665 fail:
666 while (talloc_array_length(ld->pending) > 0) {
667 req = ld->pending[0];
668 state = tevent_req_data(req, struct tldap_msg_state);
669 tevent_req_defer_callback(req, state->ev);
670 tevent_req_error(req, status);
674 static int tldap_msg_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
675 struct tldap_message **pmsg)
677 struct tldap_msg_state *state = tevent_req_data(
678 req, struct tldap_msg_state);
679 struct tldap_message *msg;
680 int err;
681 uint8_t msgtype;
683 if (tevent_req_is_ldap_error(req, &err)) {
684 return err;
687 if (!asn1_peek_uint8(state->data, &msgtype)) {
688 return TLDAP_PROTOCOL_ERROR;
691 if (pmsg == NULL) {
692 return TLDAP_SUCCESS;
695 msg = talloc_zero(mem_ctx, struct tldap_message);
696 if (msg == NULL) {
697 return TLDAP_NO_MEMORY;
699 msg->id = state->id;
701 msg->inbuf = talloc_move(msg, &state->inbuf);
702 msg->data = talloc_move(msg, &state->data);
703 msg->type = msgtype;
705 *pmsg = msg;
706 return TLDAP_SUCCESS;
709 struct tldap_req_state {
710 int id;
711 struct asn1_data *out;
712 struct tldap_message *result;
715 static struct tevent_req *tldap_req_create(TALLOC_CTX *mem_ctx,
716 struct tldap_context *ld,
717 struct tldap_req_state **pstate)
719 struct tevent_req *req;
720 struct tldap_req_state *state;
722 req = tevent_req_create(mem_ctx, &state, struct tldap_req_state);
723 if (req == NULL) {
724 return NULL;
726 ZERO_STRUCTP(state);
727 state->out = asn1_init(state);
728 if (state->out == NULL) {
729 goto err;
731 state->result = NULL;
732 state->id = tldap_next_msgid(ld);
734 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto err;
735 if (!asn1_write_Integer(state->out, state->id)) goto err;
737 *pstate = state;
738 return req;
740 err:
742 TALLOC_FREE(req);
743 return NULL;
746 static void tldap_save_msg(struct tldap_context *ld, struct tevent_req *req)
748 struct tldap_req_state *state = tevent_req_data(
749 req, struct tldap_req_state);
751 TALLOC_FREE(ld->last_msg);
752 ld->last_msg = talloc_move(ld, &state->result);
755 static char *blob2string_talloc(TALLOC_CTX *mem_ctx, DATA_BLOB blob)
757 char *result = talloc_array(mem_ctx, char, blob.length+1);
759 if (result == NULL) {
760 return NULL;
763 memcpy(result, blob.data, blob.length);
764 result[blob.length] = '\0';
765 return result;
768 static bool asn1_read_OctetString_talloc(TALLOC_CTX *mem_ctx,
769 struct asn1_data *data,
770 char **presult)
772 DATA_BLOB string;
773 char *result;
774 if (!asn1_read_OctetString(data, mem_ctx, &string))
775 return false;
777 result = blob2string_talloc(mem_ctx, string);
779 data_blob_free(&string);
781 if (result == NULL) {
782 return false;
784 *presult = result;
785 return true;
788 static bool tldap_decode_controls(struct tldap_req_state *state);
790 static bool tldap_decode_response(struct tldap_req_state *state)
792 struct asn1_data *data = state->result->data;
793 struct tldap_message *msg = state->result;
794 bool ok = true;
796 ok &= asn1_read_enumerated(data, &msg->lderr);
797 ok &= asn1_read_OctetString_talloc(msg, data, &msg->res_matcheddn);
798 ok &= asn1_read_OctetString_talloc(msg, data,
799 &msg->res_diagnosticmessage);
800 if (!ok) return ok;
801 if (asn1_peek_tag(data, ASN1_CONTEXT(3))) {
802 ok &= asn1_start_tag(data, ASN1_CONTEXT(3));
803 ok &= asn1_read_OctetString_talloc(msg, data,
804 &msg->res_referral);
805 ok &= asn1_end_tag(data);
806 } else {
807 msg->res_referral = NULL;
810 return ok;
813 static void tldap_sasl_bind_done(struct tevent_req *subreq);
815 struct tevent_req *tldap_sasl_bind_send(TALLOC_CTX *mem_ctx,
816 struct tevent_context *ev,
817 struct tldap_context *ld,
818 const char *dn,
819 const char *mechanism,
820 DATA_BLOB *creds,
821 struct tldap_control *sctrls,
822 int num_sctrls,
823 struct tldap_control *cctrls,
824 int num_cctrls)
826 struct tevent_req *req, *subreq;
827 struct tldap_req_state *state;
829 req = tldap_req_create(mem_ctx, ld, &state);
830 if (req == NULL) {
831 return NULL;
834 if (dn == NULL) {
835 dn = "";
838 if (!asn1_push_tag(state->out, TLDAP_REQ_BIND)) goto err;
839 if (!asn1_write_Integer(state->out, ld->ld_version)) goto err;
840 if (!asn1_write_OctetString(state->out, dn, strlen(dn))) goto err;
842 if (mechanism == NULL) {
843 if (!asn1_push_tag(state->out, ASN1_CONTEXT_SIMPLE(0))) goto err;
844 if (!asn1_write(state->out, creds->data, creds->length)) goto err;
845 if (!asn1_pop_tag(state->out)) goto err;
846 } else {
847 if (!asn1_push_tag(state->out, ASN1_CONTEXT(3))) goto err;
848 if (!asn1_write_OctetString(state->out, mechanism,
849 strlen(mechanism))) goto err;
850 if ((creds != NULL) && (creds->data != NULL)) {
851 if (!asn1_write_OctetString(state->out, creds->data,
852 creds->length)) goto err;
854 if (!asn1_pop_tag(state->out)) goto err;
857 if (!asn1_pop_tag(state->out)) goto err;
859 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
860 sctrls, num_sctrls);
861 if (tevent_req_nomem(subreq, req)) {
862 return tevent_req_post(req, ev);
864 tevent_req_set_callback(subreq, tldap_sasl_bind_done, req);
865 return req;
867 err:
869 tevent_req_error(req, TLDAP_ENCODING_ERROR);
870 return tevent_req_post(req, ev);
873 static void tldap_sasl_bind_done(struct tevent_req *subreq)
875 struct tevent_req *req = tevent_req_callback_data(
876 subreq, struct tevent_req);
877 struct tldap_req_state *state = tevent_req_data(
878 req, struct tldap_req_state);
879 int err;
881 err = tldap_msg_recv(subreq, state, &state->result);
882 TALLOC_FREE(subreq);
883 if (err != TLDAP_SUCCESS) {
884 tevent_req_error(req, err);
885 return;
887 if (state->result->type != TLDAP_RES_BIND) {
888 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
889 return;
891 if (!asn1_start_tag(state->result->data, state->result->type) ||
892 !tldap_decode_response(state) ||
893 !asn1_end_tag(state->result->data)) {
894 tevent_req_error(req, TLDAP_DECODING_ERROR);
895 return;
898 * TODO: pull the reply blob
900 if (state->result->lderr != TLDAP_SUCCESS) {
901 tevent_req_error(req, state->result->lderr);
902 return;
904 tevent_req_done(req);
907 int tldap_sasl_bind_recv(struct tevent_req *req)
909 return tldap_simple_recv(req);
912 int tldap_sasl_bind(struct tldap_context *ld,
913 const char *dn,
914 const char *mechanism,
915 DATA_BLOB *creds,
916 struct tldap_control *sctrls,
917 int num_sctrls,
918 struct tldap_control *cctrls,
919 int num_cctrls)
921 TALLOC_CTX *frame = talloc_stackframe();
922 struct tevent_context *ev;
923 struct tevent_req *req;
924 int result;
926 ev = samba_tevent_context_init(frame);
927 if (ev == NULL) {
928 result = TLDAP_NO_MEMORY;
929 goto fail;
932 req = tldap_sasl_bind_send(frame, ev, ld, dn, mechanism, creds,
933 sctrls, num_sctrls, cctrls, num_cctrls);
934 if (req == NULL) {
935 result = TLDAP_NO_MEMORY;
936 goto fail;
939 if (!tevent_req_poll(req, ev)) {
940 result = TLDAP_OPERATIONS_ERROR;
941 goto fail;
944 result = tldap_sasl_bind_recv(req);
945 tldap_save_msg(ld, req);
946 fail:
947 TALLOC_FREE(frame);
948 return result;
951 struct tevent_req *tldap_simple_bind_send(TALLOC_CTX *mem_ctx,
952 struct tevent_context *ev,
953 struct tldap_context *ld,
954 const char *dn,
955 const char *passwd)
957 DATA_BLOB cred;
959 if (passwd != NULL) {
960 cred.data = discard_const_p(uint8_t, passwd);
961 cred.length = strlen(passwd);
962 } else {
963 cred.data = discard_const_p(uint8_t, "");
964 cred.length = 0;
966 return tldap_sasl_bind_send(mem_ctx, ev, ld, dn, NULL, &cred, NULL, 0,
967 NULL, 0);
970 int tldap_simple_bind_recv(struct tevent_req *req)
972 return tldap_sasl_bind_recv(req);
975 int tldap_simple_bind(struct tldap_context *ld, const char *dn,
976 const char *passwd)
978 DATA_BLOB cred;
980 if (passwd != NULL) {
981 cred.data = discard_const_p(uint8_t, passwd);
982 cred.length = strlen(passwd);
983 } else {
984 cred.data = discard_const_p(uint8_t, "");
985 cred.length = 0;
987 return tldap_sasl_bind(ld, dn, NULL, &cred, NULL, 0, NULL, 0);
990 /*****************************************************************************/
992 /* can't use isalpha() as only a strict set is valid for LDAP */
994 static bool tldap_is_alpha(char c)
996 return (((c >= 'a') && (c <= 'z')) || \
997 ((c >= 'A') && (c <= 'Z')));
1000 static bool tldap_is_adh(char c)
1002 return tldap_is_alpha(c) || isdigit(c) || (c == '-');
1005 #define TLDAP_FILTER_AND ASN1_CONTEXT(0)
1006 #define TLDAP_FILTER_OR ASN1_CONTEXT(1)
1007 #define TLDAP_FILTER_NOT ASN1_CONTEXT(2)
1008 #define TLDAP_FILTER_EQ ASN1_CONTEXT(3)
1009 #define TLDAP_FILTER_SUB ASN1_CONTEXT(4)
1010 #define TLDAP_FILTER_LE ASN1_CONTEXT(5)
1011 #define TLDAP_FILTER_GE ASN1_CONTEXT(6)
1012 #define TLDAP_FILTER_PRES ASN1_CONTEXT_SIMPLE(7)
1013 #define TLDAP_FILTER_APX ASN1_CONTEXT(8)
1014 #define TLDAP_FILTER_EXT ASN1_CONTEXT(9)
1016 #define TLDAP_SUB_INI ASN1_CONTEXT_SIMPLE(0)
1017 #define TLDAP_SUB_ANY ASN1_CONTEXT_SIMPLE(1)
1018 #define TLDAP_SUB_FIN ASN1_CONTEXT_SIMPLE(2)
1021 /* oid's should be numerical only in theory,
1022 * but apparently some broken servers may have alphanum aliases instead.
1023 * Do like openldap libraries and allow alphanum aliases for oids, but
1024 * do not allow Tagging options in that case.
1026 static bool tldap_is_attrdesc(const char *s, int len, bool no_tagopts)
1028 bool is_oid = false;
1029 bool dot = false;
1030 int i;
1032 /* first char has stricter rules */
1033 if (isdigit(*s)) {
1034 is_oid = true;
1035 } else if (!tldap_is_alpha(*s)) {
1036 /* bad first char */
1037 return false;
1040 for (i = 1; i < len; i++) {
1042 if (is_oid) {
1043 if (isdigit(s[i])) {
1044 dot = false;
1045 continue;
1047 if (s[i] == '.') {
1048 if (dot) {
1049 /* malformed */
1050 return false;
1052 dot = true;
1053 continue;
1055 } else {
1056 if (tldap_is_adh(s[i])) {
1057 continue;
1061 if (s[i] == ';') {
1062 if (no_tagopts) {
1063 /* no tagging options */
1064 return false;
1066 if (dot) {
1067 /* malformed */
1068 return false;
1070 if ((i + 1) == len) {
1071 /* malformed */
1072 return false;
1075 is_oid = false;
1076 continue;
1080 if (dot) {
1081 /* malformed */
1082 return false;
1085 return true;
1088 /* this function copies the value until the closing parenthesis is found. */
1089 static char *tldap_get_val(TALLOC_CTX *memctx,
1090 const char *value, const char **_s)
1092 const char *s = value;
1094 /* find terminator */
1095 while (*s) {
1096 s = strchr(s, ')');
1097 if (s && (*(s - 1) == '\\')) {
1098 continue;
1100 break;
1102 if (!s || !(*s == ')')) {
1103 /* malformed filter */
1104 return NULL;
1107 *_s = s;
1109 return talloc_strndup(memctx, value, s - value);
1112 static int tldap_hex2char(const char *x)
1114 if (isxdigit(x[0]) && isxdigit(x[1])) {
1115 const char h1 = x[0], h2 = x[1];
1116 int c = 0;
1118 if (h1 >= 'a') c = h1 - (int)'a' + 10;
1119 else if (h1 >= 'A') c = h1 - (int)'A' + 10;
1120 else if (h1 >= '0') c = h1 - (int)'0';
1121 c = c << 4;
1122 if (h2 >= 'a') c += h2 - (int)'a' + 10;
1123 else if (h2 >= 'A') c += h2 - (int)'A' + 10;
1124 else if (h2 >= '0') c += h2 - (int)'0';
1126 return c;
1129 return -1;
1132 static bool tldap_find_first_star(const char *val, const char **star)
1134 const char *s;
1136 for (s = val; *s; s++) {
1137 switch (*s) {
1138 case '\\':
1139 if (isxdigit(s[1]) && isxdigit(s[2])) {
1140 s += 2;
1141 break;
1143 /* not hex based escape, check older syntax */
1144 switch (s[1]) {
1145 case '(':
1146 case ')':
1147 case '*':
1148 case '\\':
1149 s++;
1150 break;
1151 default:
1152 /* invalid escape sequence */
1153 return false;
1155 break;
1156 case ')':
1157 /* end of val, nothing found */
1158 *star = s;
1159 return true;
1161 case '*':
1162 *star = s;
1163 return true;
1167 /* string ended without closing parenthesis, filter is malformed */
1168 return false;
1171 static bool tldap_unescape_inplace(char *value, size_t *val_len)
1173 int c, i, p;
1175 for (i = 0,p = 0; i < *val_len; i++) {
1177 switch (value[i]) {
1178 case '(':
1179 case ')':
1180 case '*':
1181 /* these must be escaped */
1182 return false;
1184 case '\\':
1185 if (!value[i + 1]) {
1186 /* invalid EOL */
1187 return false;
1189 i++;
1191 c = tldap_hex2char(&value[i]);
1192 if (c >= 0 && c < 256) {
1193 value[p] = c;
1194 i++;
1195 p++;
1196 break;
1199 switch (value[i]) {
1200 case '(':
1201 case ')':
1202 case '*':
1203 case '\\':
1204 value[p] = value[i];
1205 p++;
1206 default:
1207 /* invalid */
1208 return false;
1210 break;
1212 default:
1213 value[p] = value[i];
1214 p++;
1217 value[p] = '\0';
1218 *val_len = p;
1219 return true;
1222 static bool tldap_push_filter_basic(struct tldap_context *ld,
1223 struct asn1_data *data,
1224 const char **_s);
1225 static bool tldap_push_filter_substring(struct tldap_context *ld,
1226 struct asn1_data *data,
1227 const char *val,
1228 const char **_s);
1229 static bool tldap_push_filter_int(struct tldap_context *ld,
1230 struct asn1_data *data,
1231 const char **_s)
1233 const char *s = *_s;
1234 bool ret;
1236 if (*s != '(') {
1237 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1238 "Incomplete or malformed filter\n");
1239 return false;
1241 s++;
1243 /* we are right after a parenthesis,
1244 * find out what op we have at hand */
1245 switch (*s) {
1246 case '&':
1247 tldap_debug(ld, TLDAP_DEBUG_TRACE, "Filter op: AND\n");
1248 if (!asn1_push_tag(data, TLDAP_FILTER_AND)) return false;
1249 s++;
1250 break;
1252 case '|':
1253 tldap_debug(ld, TLDAP_DEBUG_TRACE, "Filter op: OR\n");
1254 if (!asn1_push_tag(data, TLDAP_FILTER_OR)) return false;
1255 s++;
1256 break;
1258 case '!':
1259 tldap_debug(ld, TLDAP_DEBUG_TRACE, "Filter op: NOT\n");
1260 if (!asn1_push_tag(data, TLDAP_FILTER_NOT)) return false;
1261 s++;
1262 ret = tldap_push_filter_int(ld, data, &s);
1263 if (!ret) {
1264 return false;
1266 if (!asn1_pop_tag(data)) return false;
1267 goto done;
1269 case '(':
1270 case ')':
1271 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1272 "Invalid parenthesis '%c'\n", *s);
1273 return false;
1275 case '\0':
1276 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1277 "Invalid filter termination\n");
1278 return false;
1280 default:
1281 ret = tldap_push_filter_basic(ld, data, &s);
1282 if (!ret) {
1283 return false;
1285 goto done;
1288 /* only and/or filters get here.
1289 * go through the list of filters */
1291 if (*s == ')') {
1292 /* RFC 4526: empty and/or */
1293 if (!asn1_pop_tag(data)) return false;
1294 goto done;
1297 while (*s) {
1298 ret = tldap_push_filter_int(ld, data, &s);
1299 if (!ret) {
1300 return false;
1303 if (*s == ')') {
1304 /* end of list, return */
1305 if (!asn1_pop_tag(data)) return false;
1306 break;
1310 done:
1311 if (*s != ')') {
1312 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1313 "Incomplete or malformed filter\n");
1314 return false;
1316 s++;
1318 if (data->has_error) {
1319 return false;
1322 *_s = s;
1323 return true;
1327 static bool tldap_push_filter_basic(struct tldap_context *ld,
1328 struct asn1_data *data,
1329 const char **_s)
1331 TALLOC_CTX *tmpctx = talloc_tos();
1332 const char *s = *_s;
1333 const char *e;
1334 const char *eq;
1335 const char *val;
1336 const char *type;
1337 const char *dn;
1338 const char *rule;
1339 const char *star;
1340 size_t type_len = 0;
1341 char *uval;
1342 size_t uval_len;
1343 bool write_octect = true;
1344 bool ret;
1346 eq = strchr(s, '=');
1347 if (!eq) {
1348 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1349 "Invalid filter, missing equal sign\n");
1350 return false;
1353 val = eq + 1;
1354 e = eq - 1;
1356 switch (*e) {
1357 case '<':
1358 if (!asn1_push_tag(data, TLDAP_FILTER_LE)) return false;
1359 break;
1361 case '>':
1362 if (!asn1_push_tag(data, TLDAP_FILTER_GE)) return false;
1363 break;
1365 case '~':
1366 if (!asn1_push_tag(data, TLDAP_FILTER_APX)) return false;
1367 break;
1369 case ':':
1370 if (!asn1_push_tag(data, TLDAP_FILTER_EXT)) return false;
1371 write_octect = false;
1373 type = NULL;
1374 dn = NULL;
1375 rule = NULL;
1377 if (*s == ':') { /* [:dn]:rule:= value */
1378 if (s == e) {
1379 /* malformed filter */
1380 return false;
1382 dn = s;
1383 } else { /* type[:dn][:rule]:= value */
1384 type = s;
1385 dn = strchr(s, ':');
1386 type_len = dn - type;
1387 if (dn == e) { /* type:= value */
1388 dn = NULL;
1391 if (dn) {
1392 dn++;
1394 rule = strchr(dn, ':');
1395 if (rule == NULL) {
1396 return false;
1398 if ((rule == dn + 1) || rule + 1 == e) {
1399 /* malformed filter, contains "::" */
1400 return false;
1403 if (strncasecmp_m(dn, "dn:", 3) != 0) {
1404 if (rule == e) {
1405 rule = dn;
1406 dn = NULL;
1407 } else {
1408 /* malformed filter. With two
1409 * optionals, the first must be "dn"
1411 return false;
1413 } else {
1414 if (rule == e) {
1415 rule = NULL;
1416 } else {
1417 rule++;
1422 if (!type && !dn && !rule) {
1423 /* malformed filter, there must be at least one */
1424 return false;
1428 MatchingRuleAssertion ::= SEQUENCE {
1429 matchingRule [1] MatchingRuleID OPTIONAL,
1430 type [2] AttributeDescription OPTIONAL,
1431 matchValue [3] AssertionValue,
1432 dnAttributes [4] BOOLEAN DEFAULT FALSE
1436 /* check and add rule */
1437 if (rule) {
1438 ret = tldap_is_attrdesc(rule, e - rule, true);
1439 if (!ret) {
1440 return false;
1442 if (!asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(1))) return false;
1443 if (!asn1_write(data, rule, e - rule)) return false;
1444 if (!asn1_pop_tag(data)) return false;
1447 /* check and add type */
1448 if (type) {
1449 ret = tldap_is_attrdesc(type, type_len, false);
1450 if (!ret) {
1451 return false;
1453 if (!asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(2))) return false;
1454 if (!asn1_write(data, type, type_len)) return false;
1455 if (!asn1_pop_tag(data)) return false;
1458 uval = tldap_get_val(tmpctx, val, _s);
1459 if (!uval) {
1460 return false;
1462 uval_len = *_s - val;
1463 ret = tldap_unescape_inplace(uval, &uval_len);
1464 if (!ret) {
1465 return false;
1468 if (!asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(3))) return false;
1469 if (!asn1_write(data, uval, uval_len)) return false;
1470 if (!asn1_pop_tag(data)) return false;
1472 if (!asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(4))) return false;
1473 if (!asn1_write_uint8(data, dn?1:0)) return false;
1474 if (!asn1_pop_tag(data)) return false;
1475 break;
1477 default:
1478 e = eq;
1480 ret = tldap_is_attrdesc(s, e - s, false);
1481 if (!ret) {
1482 return false;
1485 if (strncmp(val, "*)", 2) == 0) {
1486 /* presence */
1487 if (!asn1_push_tag(data, TLDAP_FILTER_PRES)) return false;
1488 if (!asn1_write(data, s, e - s)) return false;
1489 *_s = val + 1;
1490 write_octect = false;
1491 break;
1494 ret = tldap_find_first_star(val, &star);
1495 if (!ret) {
1496 return false;
1498 if (*star == '*') {
1499 /* substring */
1500 if (!asn1_push_tag(data, TLDAP_FILTER_SUB)) return false;
1501 if (!asn1_write_OctetString(data, s, e - s)) return false;
1502 ret = tldap_push_filter_substring(ld, data, val, &s);
1503 if (!ret) {
1504 return false;
1506 *_s = s;
1507 write_octect = false;
1508 break;
1511 /* if nothing else, then it is just equality */
1512 if (!asn1_push_tag(data, TLDAP_FILTER_EQ)) return false;
1513 write_octect = true;
1514 break;
1517 if (write_octect) {
1518 uval = tldap_get_val(tmpctx, val, _s);
1519 if (!uval) {
1520 return false;
1522 uval_len = *_s - val;
1523 ret = tldap_unescape_inplace(uval, &uval_len);
1524 if (!ret) {
1525 return false;
1528 if (!asn1_write_OctetString(data, s, e - s)) return false;
1529 if (!asn1_write_OctetString(data, uval, uval_len)) return false;
1532 if (data->has_error) {
1533 return false;
1535 return asn1_pop_tag(data);
1538 static bool tldap_push_filter_substring(struct tldap_context *ld,
1539 struct asn1_data *data,
1540 const char *val,
1541 const char **_s)
1543 TALLOC_CTX *tmpctx = talloc_tos();
1544 bool initial = true;
1545 const char *star;
1546 char *chunk;
1547 size_t chunk_len;
1548 bool ret;
1551 SubstringFilter ::= SEQUENCE {
1552 type AttributeDescription,
1553 -- at least one must be present
1554 substrings SEQUENCE OF CHOICE {
1555 initial [0] LDAPString,
1556 any [1] LDAPString,
1557 final [2] LDAPString } }
1559 if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) return false;
1561 do {
1562 ret = tldap_find_first_star(val, &star);
1563 if (!ret) {
1564 return false;
1566 chunk_len = star - val;
1568 switch (*star) {
1569 case '*':
1570 if (!initial && chunk_len == 0) {
1571 /* found '**', which is illegal */
1572 return false;
1574 break;
1575 case ')':
1576 if (initial) {
1577 /* no stars ?? */
1578 return false;
1580 /* we are done */
1581 break;
1582 default:
1583 /* ?? */
1584 return false;
1587 if (initial && chunk_len == 0) {
1588 val = star + 1;
1589 initial = false;
1590 continue;
1593 chunk = talloc_strndup(tmpctx, val, chunk_len);
1594 if (!chunk) {
1595 return false;
1597 ret = tldap_unescape_inplace(chunk, &chunk_len);
1598 if (!ret) {
1599 return false;
1601 switch (*star) {
1602 case '*':
1603 if (initial) {
1604 if (!asn1_push_tag(data, TLDAP_SUB_INI)) return false;
1605 initial = false;
1606 } else {
1607 if (!asn1_push_tag(data, TLDAP_SUB_ANY)) return false;
1609 break;
1610 case ')':
1611 if (!asn1_push_tag(data, TLDAP_SUB_FIN)) return false;
1612 break;
1613 default:
1614 /* ?? */
1615 return false;
1617 if (!asn1_write(data, chunk, chunk_len)) return false;
1618 if (!asn1_pop_tag(data)) return false;
1620 val = star + 1;
1622 } while (*star == '*');
1624 *_s = star;
1626 /* end of sequence */
1627 return asn1_pop_tag(data);
1630 /* NOTE: although openldap libraries allow for spaces in some places, mosly
1631 * around parenthesis, we do not allow any spaces (except in values of
1632 * course) as I couldn't fine any place in RFC 4512 or RFC 4515 where
1633 * leading or trailing spaces where allowed.
1635 static bool tldap_push_filter(struct tldap_context *ld,
1636 struct asn1_data *data,
1637 const char *filter)
1639 const char *s = filter;
1640 bool ret;
1642 ret = tldap_push_filter_int(ld, data, &s);
1643 if (ret && *s) {
1644 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1645 "Incomplete or malformed filter\n");
1646 return false;
1648 return ret;
1651 /*****************************************************************************/
1653 static void tldap_search_done(struct tevent_req *subreq);
1655 struct tevent_req *tldap_search_send(TALLOC_CTX *mem_ctx,
1656 struct tevent_context *ev,
1657 struct tldap_context *ld,
1658 const char *base, int scope,
1659 const char *filter,
1660 const char **attrs,
1661 int num_attrs,
1662 int attrsonly,
1663 struct tldap_control *sctrls,
1664 int num_sctrls,
1665 struct tldap_control *cctrls,
1666 int num_cctrls,
1667 int timelimit,
1668 int sizelimit,
1669 int deref)
1671 struct tevent_req *req, *subreq;
1672 struct tldap_req_state *state;
1673 int i;
1675 req = tldap_req_create(mem_ctx, ld, &state);
1676 if (req == NULL) {
1677 return NULL;
1680 if (!asn1_push_tag(state->out, TLDAP_REQ_SEARCH)) goto encoding_error;
1681 if (!asn1_write_OctetString(state->out, base, strlen(base))) goto encoding_error;
1682 if (!asn1_write_enumerated(state->out, scope)) goto encoding_error;
1683 if (!asn1_write_enumerated(state->out, deref)) goto encoding_error;
1684 if (!asn1_write_Integer(state->out, sizelimit)) goto encoding_error;
1685 if (!asn1_write_Integer(state->out, timelimit)) goto encoding_error;
1686 if (!asn1_write_BOOLEAN(state->out, attrsonly)) goto encoding_error;
1688 if (!tldap_push_filter(ld, state->out, filter)) {
1689 goto encoding_error;
1692 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto encoding_error;
1693 for (i=0; i<num_attrs; i++) {
1694 if (!asn1_write_OctetString(state->out, attrs[i], strlen(attrs[i]))) goto encoding_error;
1696 if (!asn1_pop_tag(state->out)) goto encoding_error;
1697 if (!asn1_pop_tag(state->out)) goto encoding_error;
1699 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
1700 sctrls, num_sctrls);
1701 if (tevent_req_nomem(subreq, req)) {
1702 return tevent_req_post(req, ev);
1704 tevent_req_set_callback(subreq, tldap_search_done, req);
1705 return req;
1707 encoding_error:
1708 tevent_req_error(req, TLDAP_ENCODING_ERROR);
1709 return tevent_req_post(req, ev);
1712 static void tldap_search_done(struct tevent_req *subreq)
1714 struct tevent_req *req = tevent_req_callback_data(
1715 subreq, struct tevent_req);
1716 struct tldap_req_state *state = tevent_req_data(
1717 req, struct tldap_req_state);
1718 int err;
1720 err = tldap_msg_recv(subreq, state, &state->result);
1721 if (err != TLDAP_SUCCESS) {
1722 tevent_req_error(req, err);
1723 return;
1725 switch (state->result->type) {
1726 case TLDAP_RES_SEARCH_ENTRY:
1727 case TLDAP_RES_SEARCH_REFERENCE:
1728 if (!tldap_msg_set_pending(subreq)) {
1729 tevent_req_oom(req);
1730 return;
1732 tevent_req_notify_callback(req);
1733 break;
1734 case TLDAP_RES_SEARCH_RESULT:
1735 TALLOC_FREE(subreq);
1736 if (!asn1_start_tag(state->result->data,
1737 state->result->type) ||
1738 !tldap_decode_response(state) ||
1739 !asn1_end_tag(state->result->data) ||
1740 !tldap_decode_controls(state)) {
1741 tevent_req_error(req, TLDAP_DECODING_ERROR);
1742 return;
1744 tevent_req_done(req);
1745 break;
1746 default:
1747 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
1748 return;
1752 int tldap_search_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
1753 struct tldap_message **pmsg)
1755 struct tldap_req_state *state = tevent_req_data(
1756 req, struct tldap_req_state);
1757 int err;
1759 if (!tevent_req_is_in_progress(req)
1760 && tevent_req_is_ldap_error(req, &err)) {
1761 return err;
1764 if (tevent_req_is_in_progress(req)) {
1765 switch (state->result->type) {
1766 case TLDAP_RES_SEARCH_ENTRY:
1767 case TLDAP_RES_SEARCH_REFERENCE:
1768 break;
1769 default:
1770 return TLDAP_OPERATIONS_ERROR;
1774 *pmsg = talloc_move(mem_ctx, &state->result);
1775 return TLDAP_SUCCESS;
1778 struct tldap_sync_search_state {
1779 TALLOC_CTX *mem_ctx;
1780 struct tldap_message **entries;
1781 struct tldap_message **refs;
1782 int rc;
1785 static void tldap_search_cb(struct tevent_req *req)
1787 struct tldap_sync_search_state *state =
1788 (struct tldap_sync_search_state *)
1789 tevent_req_callback_data_void(req);
1790 struct tldap_message *msg, **tmp;
1791 int rc, num_entries, num_refs;
1793 rc = tldap_search_recv(req, talloc_tos(), &msg);
1794 if (rc != TLDAP_SUCCESS) {
1795 state->rc = rc;
1796 return;
1799 switch (tldap_msg_type(msg)) {
1800 case TLDAP_RES_SEARCH_ENTRY:
1801 num_entries = talloc_array_length(state->entries);
1802 tmp = talloc_realloc(state->mem_ctx, state->entries,
1803 struct tldap_message *, num_entries + 1);
1804 if (tmp == NULL) {
1805 state->rc = TLDAP_NO_MEMORY;
1806 return;
1808 state->entries = tmp;
1809 state->entries[num_entries] = talloc_move(state->entries,
1810 &msg);
1811 break;
1812 case TLDAP_RES_SEARCH_REFERENCE:
1813 num_refs = talloc_array_length(state->refs);
1814 tmp = talloc_realloc(state->mem_ctx, state->refs,
1815 struct tldap_message *, num_refs + 1);
1816 if (tmp == NULL) {
1817 state->rc = TLDAP_NO_MEMORY;
1818 return;
1820 state->refs = tmp;
1821 state->refs[num_refs] = talloc_move(state->refs, &msg);
1822 break;
1823 case TLDAP_RES_SEARCH_RESULT:
1824 state->rc = TLDAP_SUCCESS;
1825 break;
1826 default:
1827 state->rc = TLDAP_PROTOCOL_ERROR;
1828 break;
1832 int tldap_search(struct tldap_context *ld,
1833 const char *base, int scope, const char *filter,
1834 const char **attrs, int num_attrs, int attrsonly,
1835 struct tldap_control *sctrls, int num_sctrls,
1836 struct tldap_control *cctrls, int num_cctrls,
1837 int timelimit, int sizelimit, int deref,
1838 TALLOC_CTX *mem_ctx, struct tldap_message ***entries,
1839 struct tldap_message ***refs)
1841 TALLOC_CTX *frame = talloc_stackframe();
1842 struct tevent_context *ev;
1843 struct tevent_req *req;
1844 struct tldap_sync_search_state state;
1846 ZERO_STRUCT(state);
1847 state.mem_ctx = mem_ctx;
1848 state.rc = TLDAP_SUCCESS;
1850 ev = samba_tevent_context_init(frame);
1851 if (ev == NULL) {
1852 state.rc = TLDAP_NO_MEMORY;
1853 goto fail;
1856 req = tldap_search_send(frame, ev, ld, base, scope, filter,
1857 attrs, num_attrs, attrsonly,
1858 sctrls, num_sctrls, cctrls, num_cctrls,
1859 timelimit, sizelimit, deref);
1860 if (req == NULL) {
1861 state.rc = TLDAP_NO_MEMORY;
1862 goto fail;
1865 tevent_req_set_callback(req, tldap_search_cb, &state);
1867 if (!tevent_req_is_in_progress(req)) {
1868 /* an error happend before sending */
1869 if (tevent_req_is_ldap_error(req, &state.rc)) {
1870 goto fail;
1874 while (tevent_req_is_in_progress(req)
1875 && (state.rc == TLDAP_SUCCESS)) {
1876 if (tevent_loop_once(ev) == -1) {
1877 return TLDAP_OPERATIONS_ERROR;
1881 if (state.rc != TLDAP_SUCCESS) {
1882 return state.rc;
1885 if (entries != NULL) {
1886 *entries = state.entries;
1887 } else {
1888 TALLOC_FREE(state.entries);
1890 if (refs != NULL) {
1891 *refs = state.refs;
1892 } else {
1893 TALLOC_FREE(state.refs);
1895 tldap_save_msg(ld, req);
1896 fail:
1897 TALLOC_FREE(frame);
1898 return state.rc;
1901 static bool tldap_parse_search_entry(struct tldap_message *msg)
1903 int num_attribs = 0;
1905 if (!asn1_start_tag(msg->data, msg->type)) return false;
1907 /* dn */
1909 if (!asn1_read_OctetString_talloc(msg, msg->data, &msg->dn)) return false;
1911 if (msg->dn == NULL) {
1912 return false;
1916 * Attributes: We overallocate msg->attribs by one, so that while
1917 * looping over the attributes we can directly parse into the last
1918 * array element. Same for the values in the inner loop.
1921 msg->attribs = talloc_array(msg, struct tldap_attribute, 1);
1922 if (msg->attribs == NULL) {
1923 return false;
1926 if (!asn1_start_tag(msg->data, ASN1_SEQUENCE(0))) return false;
1927 while (asn1_peek_tag(msg->data, ASN1_SEQUENCE(0))) {
1928 struct tldap_attribute *attrib;
1929 int num_values = 0;
1931 attrib = &msg->attribs[num_attribs];
1932 attrib->values = talloc_array(msg->attribs, DATA_BLOB, 1);
1933 if (attrib->values == NULL) {
1934 return false;
1936 if (!asn1_start_tag(msg->data, ASN1_SEQUENCE(0))) return false;
1937 if (!asn1_read_OctetString_talloc(msg->attribs, msg->data,
1938 &attrib->name)) return false;
1939 if (!asn1_start_tag(msg->data, ASN1_SET)) return false;
1941 while (asn1_peek_tag(msg->data, ASN1_OCTET_STRING)) {
1942 if (!asn1_read_OctetString(msg->data, msg,
1943 &attrib->values[num_values])) return false;
1945 attrib->values = talloc_realloc(
1946 msg->attribs, attrib->values, DATA_BLOB,
1947 num_values + 2);
1948 if (attrib->values == NULL) {
1949 return false;
1951 num_values += 1;
1953 attrib->values = talloc_realloc(msg->attribs, attrib->values,
1954 DATA_BLOB, num_values);
1955 attrib->num_values = num_values;
1957 if (!asn1_end_tag(msg->data)) return false; /* ASN1_SET */
1958 if (!asn1_end_tag(msg->data)) return false; /* ASN1_SEQUENCE(0) */
1959 msg->attribs = talloc_realloc(
1960 msg, msg->attribs, struct tldap_attribute,
1961 num_attribs + 2);
1962 if (msg->attribs == NULL) {
1963 return false;
1965 num_attribs += 1;
1967 msg->attribs = talloc_realloc(
1968 msg, msg->attribs, struct tldap_attribute, num_attribs);
1969 return asn1_end_tag(msg->data);
1972 bool tldap_entry_dn(struct tldap_message *msg, char **dn)
1974 if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
1975 return false;
1977 *dn = msg->dn;
1978 return true;
1981 bool tldap_entry_attributes(struct tldap_message *msg,
1982 struct tldap_attribute **attributes,
1983 int *num_attributes)
1985 if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
1986 return false;
1988 *attributes = msg->attribs;
1989 *num_attributes = talloc_array_length(msg->attribs);
1990 return true;
1993 static bool tldap_decode_controls(struct tldap_req_state *state)
1995 struct tldap_message *msg = state->result;
1996 struct asn1_data *data = msg->data;
1997 struct tldap_control *sctrls = NULL;
1998 int num_controls = 0;
1999 bool ret = false;
2001 msg->res_sctrls = NULL;
2003 if (!asn1_peek_tag(data, ASN1_CONTEXT(0))) {
2004 return true;
2007 if (!asn1_start_tag(data, ASN1_CONTEXT(0))) goto out;
2009 while (asn1_peek_tag(data, ASN1_SEQUENCE(0))) {
2010 struct tldap_control *c;
2011 char *oid = NULL;
2013 sctrls = talloc_realloc(msg, sctrls, struct tldap_control,
2014 num_controls + 1);
2015 if (sctrls == NULL) {
2016 goto out;
2018 c = &sctrls[num_controls];
2020 if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) goto out;
2021 if (!asn1_read_OctetString_talloc(msg, data, &oid)) goto out;
2022 if ((data->has_error) || (oid == NULL)) {
2023 goto out;
2025 c->oid = oid;
2026 if (asn1_peek_tag(data, ASN1_BOOLEAN)) {
2027 if (!asn1_read_BOOLEAN(data, &c->critical)) goto out;
2028 } else {
2029 c->critical = false;
2031 c->value = data_blob_null;
2032 if (asn1_peek_tag(data, ASN1_OCTET_STRING) &&
2033 !asn1_read_OctetString(data, msg, &c->value)) {
2034 goto out;
2036 if (!asn1_end_tag(data)) goto out; /* ASN1_SEQUENCE(0) */
2038 num_controls += 1;
2041 if (!asn1_end_tag(data)) goto out; /* ASN1_CONTEXT(0) */
2043 ret = true;
2045 out:
2047 if (ret == false) {
2048 TALLOC_FREE(sctrls);
2049 } else {
2050 msg->res_sctrls = sctrls;
2052 return ret;
2055 static void tldap_simple_done(struct tevent_req *subreq, int type)
2057 struct tevent_req *req = tevent_req_callback_data(
2058 subreq, struct tevent_req);
2059 struct tldap_req_state *state = tevent_req_data(
2060 req, struct tldap_req_state);
2061 int err;
2063 err = tldap_msg_recv(subreq, state, &state->result);
2064 TALLOC_FREE(subreq);
2065 if (err != TLDAP_SUCCESS) {
2066 tevent_req_error(req, err);
2067 return;
2069 if (state->result->type != type) {
2070 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
2071 return;
2073 if (!asn1_start_tag(state->result->data, state->result->type) ||
2074 !tldap_decode_response(state) ||
2075 !asn1_end_tag(state->result->data) ||
2076 !tldap_decode_controls(state)) {
2077 tevent_req_error(req, TLDAP_DECODING_ERROR);
2078 return;
2080 if (state->result->lderr != TLDAP_SUCCESS) {
2081 tevent_req_error(req, state->result->lderr);
2082 return;
2084 tevent_req_done(req);
2087 static int tldap_simple_recv(struct tevent_req *req)
2089 int err;
2090 if (tevent_req_is_ldap_error(req, &err)) {
2091 return err;
2093 return TLDAP_SUCCESS;
2096 static void tldap_add_done(struct tevent_req *subreq);
2098 struct tevent_req *tldap_add_send(TALLOC_CTX *mem_ctx,
2099 struct tevent_context *ev,
2100 struct tldap_context *ld,
2101 const char *dn,
2102 struct tldap_mod *attributes,
2103 int num_attributes,
2104 struct tldap_control *sctrls,
2105 int num_sctrls,
2106 struct tldap_control *cctrls,
2107 int num_cctrls)
2109 struct tevent_req *req, *subreq;
2110 struct tldap_req_state *state;
2111 int i, j;
2113 req = tldap_req_create(mem_ctx, ld, &state);
2114 if (req == NULL) {
2115 return NULL;
2118 if (!asn1_push_tag(state->out, TLDAP_REQ_ADD)) goto err;
2119 if (!asn1_write_OctetString(state->out, dn, strlen(dn))) goto err;
2120 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto err;
2122 for (i=0; i<num_attributes; i++) {
2123 struct tldap_mod *attrib = &attributes[i];
2124 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto err;
2125 if (!asn1_write_OctetString(state->out, attrib->attribute,
2126 strlen(attrib->attribute))) goto err;
2127 if (!asn1_push_tag(state->out, ASN1_SET)) goto err;
2128 for (j=0; j<attrib->num_values; j++) {
2129 if (!asn1_write_OctetString(state->out,
2130 attrib->values[j].data,
2131 attrib->values[j].length)) goto err;
2133 if (!asn1_pop_tag(state->out)) goto err;
2134 if (!asn1_pop_tag(state->out)) goto err;
2137 if (!asn1_pop_tag(state->out)) goto err;
2138 if (!asn1_pop_tag(state->out)) goto err;
2140 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
2141 sctrls, num_sctrls);
2142 if (tevent_req_nomem(subreq, req)) {
2143 return tevent_req_post(req, ev);
2145 tevent_req_set_callback(subreq, tldap_add_done, req);
2146 return req;
2148 err:
2150 tevent_req_error(req, TLDAP_ENCODING_ERROR);
2151 return tevent_req_post(req, ev);
2154 static void tldap_add_done(struct tevent_req *subreq)
2156 tldap_simple_done(subreq, TLDAP_RES_ADD);
2159 int tldap_add_recv(struct tevent_req *req)
2161 return tldap_simple_recv(req);
2164 int tldap_add(struct tldap_context *ld, const char *dn,
2165 struct tldap_mod *attributes, int num_attributes,
2166 struct tldap_control *sctrls, int num_sctrls,
2167 struct tldap_control *cctrls, int num_cctrls)
2169 TALLOC_CTX *frame = talloc_stackframe();
2170 struct tevent_context *ev;
2171 struct tevent_req *req;
2172 int result;
2174 ev = samba_tevent_context_init(frame);
2175 if (ev == NULL) {
2176 result = TLDAP_NO_MEMORY;
2177 goto fail;
2180 req = tldap_add_send(frame, ev, ld, dn, attributes, num_attributes,
2181 sctrls, num_sctrls, cctrls, num_cctrls);
2182 if (req == NULL) {
2183 result = TLDAP_NO_MEMORY;
2184 goto fail;
2187 if (!tevent_req_poll(req, ev)) {
2188 result = TLDAP_OPERATIONS_ERROR;
2189 goto fail;
2192 result = tldap_add_recv(req);
2193 tldap_save_msg(ld, req);
2194 fail:
2195 TALLOC_FREE(frame);
2196 return result;
2199 static void tldap_modify_done(struct tevent_req *subreq);
2201 struct tevent_req *tldap_modify_send(TALLOC_CTX *mem_ctx,
2202 struct tevent_context *ev,
2203 struct tldap_context *ld,
2204 const char *dn,
2205 struct tldap_mod *mods, int num_mods,
2206 struct tldap_control *sctrls,
2207 int num_sctrls,
2208 struct tldap_control *cctrls,
2209 int num_cctrls)
2211 struct tevent_req *req, *subreq;
2212 struct tldap_req_state *state;
2213 int i, j;
2215 req = tldap_req_create(mem_ctx, ld, &state);
2216 if (req == NULL) {
2217 return NULL;
2220 if (!asn1_push_tag(state->out, TLDAP_REQ_MODIFY)) goto err;
2221 if (!asn1_write_OctetString(state->out, dn, strlen(dn))) goto err;
2222 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto err;
2224 for (i=0; i<num_mods; i++) {
2225 struct tldap_mod *mod = &mods[i];
2226 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto err;
2227 if (!asn1_write_enumerated(state->out, mod->mod_op)) goto err;
2228 if (!asn1_push_tag(state->out, ASN1_SEQUENCE(0))) goto err;
2229 if (!asn1_write_OctetString(state->out, mod->attribute,
2230 strlen(mod->attribute))) goto err;
2231 if (!asn1_push_tag(state->out, ASN1_SET)) goto err;
2232 for (j=0; j<mod->num_values; j++) {
2233 if (!asn1_write_OctetString(state->out,
2234 mod->values[j].data,
2235 mod->values[j].length)) goto err;
2237 if (!asn1_pop_tag(state->out)) goto err;
2238 if (!asn1_pop_tag(state->out)) goto err;
2239 if (!asn1_pop_tag(state->out)) goto err;
2242 if (!asn1_pop_tag(state->out)) goto err;
2243 if (!asn1_pop_tag(state->out)) goto err;
2245 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
2246 sctrls, num_sctrls);
2247 if (tevent_req_nomem(subreq, req)) {
2248 return tevent_req_post(req, ev);
2250 tevent_req_set_callback(subreq, tldap_modify_done, req);
2251 return req;
2253 err:
2255 tevent_req_error(req, TLDAP_ENCODING_ERROR);
2256 return tevent_req_post(req, ev);
2259 static void tldap_modify_done(struct tevent_req *subreq)
2261 tldap_simple_done(subreq, TLDAP_RES_MODIFY);
2264 int tldap_modify_recv(struct tevent_req *req)
2266 return tldap_simple_recv(req);
2269 int tldap_modify(struct tldap_context *ld, const char *dn,
2270 struct tldap_mod *mods, int num_mods,
2271 struct tldap_control *sctrls, int num_sctrls,
2272 struct tldap_control *cctrls, int num_cctrls)
2274 TALLOC_CTX *frame = talloc_stackframe();
2275 struct tevent_context *ev;
2276 struct tevent_req *req;
2277 int result;
2279 ev = samba_tevent_context_init(frame);
2280 if (ev == NULL) {
2281 result = TLDAP_NO_MEMORY;
2282 goto fail;
2285 req = tldap_modify_send(frame, ev, ld, dn, mods, num_mods,
2286 sctrls, num_sctrls, cctrls, num_cctrls);
2287 if (req == NULL) {
2288 result = TLDAP_NO_MEMORY;
2289 goto fail;
2292 if (!tevent_req_poll(req, ev)) {
2293 result = TLDAP_OPERATIONS_ERROR;
2294 goto fail;
2297 result = tldap_modify_recv(req);
2298 tldap_save_msg(ld, req);
2299 fail:
2300 TALLOC_FREE(frame);
2301 return result;
2304 static void tldap_delete_done(struct tevent_req *subreq);
2306 struct tevent_req *tldap_delete_send(TALLOC_CTX *mem_ctx,
2307 struct tevent_context *ev,
2308 struct tldap_context *ld,
2309 const char *dn,
2310 struct tldap_control *sctrls,
2311 int num_sctrls,
2312 struct tldap_control *cctrls,
2313 int num_cctrls)
2315 struct tevent_req *req, *subreq;
2316 struct tldap_req_state *state;
2318 req = tldap_req_create(mem_ctx, ld, &state);
2319 if (req == NULL) {
2320 return NULL;
2323 if (!asn1_push_tag(state->out, TLDAP_REQ_DELETE)) goto err;
2324 if (!asn1_write(state->out, dn, strlen(dn))) goto err;
2325 if (!asn1_pop_tag(state->out)) goto err;
2327 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
2328 sctrls, num_sctrls);
2329 if (tevent_req_nomem(subreq, req)) {
2330 return tevent_req_post(req, ev);
2332 tevent_req_set_callback(subreq, tldap_delete_done, req);
2333 return req;
2335 err:
2337 tevent_req_error(req, TLDAP_ENCODING_ERROR);
2338 return tevent_req_post(req, ev);
2341 static void tldap_delete_done(struct tevent_req *subreq)
2343 tldap_simple_done(subreq, TLDAP_RES_DELETE);
2346 int tldap_delete_recv(struct tevent_req *req)
2348 return tldap_simple_recv(req);
2351 int tldap_delete(struct tldap_context *ld, const char *dn,
2352 struct tldap_control *sctrls, int num_sctrls,
2353 struct tldap_control *cctrls, int num_cctrls)
2355 TALLOC_CTX *frame = talloc_stackframe();
2356 struct tevent_context *ev;
2357 struct tevent_req *req;
2358 int result;
2360 ev = samba_tevent_context_init(frame);
2361 if (ev == NULL) {
2362 result = TLDAP_NO_MEMORY;
2363 goto fail;
2366 req = tldap_delete_send(frame, ev, ld, dn, sctrls, num_sctrls,
2367 cctrls, num_cctrls);
2368 if (req == NULL) {
2369 result = TLDAP_NO_MEMORY;
2370 goto fail;
2373 if (!tevent_req_poll(req, ev)) {
2374 result = TLDAP_OPERATIONS_ERROR;
2375 goto fail;
2378 result = tldap_delete_recv(req);
2379 tldap_save_msg(ld, req);
2380 fail:
2381 TALLOC_FREE(frame);
2382 return result;
2385 int tldap_msg_id(const struct tldap_message *msg)
2387 return msg->id;
2390 int tldap_msg_type(const struct tldap_message *msg)
2392 return msg->type;
2395 const char *tldap_msg_matcheddn(struct tldap_message *msg)
2397 if (msg == NULL) {
2398 return NULL;
2400 return msg->res_matcheddn;
2403 const char *tldap_msg_diagnosticmessage(struct tldap_message *msg)
2405 if (msg == NULL) {
2406 return NULL;
2408 return msg->res_diagnosticmessage;
2411 const char *tldap_msg_referral(struct tldap_message *msg)
2413 if (msg == NULL) {
2414 return NULL;
2416 return msg->res_referral;
2419 void tldap_msg_sctrls(struct tldap_message *msg, int *num_sctrls,
2420 struct tldap_control **sctrls)
2422 if (msg == NULL) {
2423 *sctrls = NULL;
2424 *num_sctrls = 0;
2425 return;
2427 *sctrls = msg->res_sctrls;
2428 *num_sctrls = talloc_array_length(msg->res_sctrls);
2431 struct tldap_message *tldap_ctx_lastmsg(struct tldap_context *ld)
2433 return ld->last_msg;
2436 const char *tldap_err2string(int rc)
2438 const char *res = NULL;
2441 * This would normally be a table, but the error codes are not fully
2442 * sequential. Let the compiler figure out the optimum implementation
2443 * :-)
2446 switch (rc) {
2447 case TLDAP_SUCCESS:
2448 res = "TLDAP_SUCCESS";
2449 break;
2450 case TLDAP_OPERATIONS_ERROR:
2451 res = "TLDAP_OPERATIONS_ERROR";
2452 break;
2453 case TLDAP_PROTOCOL_ERROR:
2454 res = "TLDAP_PROTOCOL_ERROR";
2455 break;
2456 case TLDAP_TIMELIMIT_EXCEEDED:
2457 res = "TLDAP_TIMELIMIT_EXCEEDED";
2458 break;
2459 case TLDAP_SIZELIMIT_EXCEEDED:
2460 res = "TLDAP_SIZELIMIT_EXCEEDED";
2461 break;
2462 case TLDAP_COMPARE_FALSE:
2463 res = "TLDAP_COMPARE_FALSE";
2464 break;
2465 case TLDAP_COMPARE_TRUE:
2466 res = "TLDAP_COMPARE_TRUE";
2467 break;
2468 case TLDAP_STRONG_AUTH_NOT_SUPPORTED:
2469 res = "TLDAP_STRONG_AUTH_NOT_SUPPORTED";
2470 break;
2471 case TLDAP_STRONG_AUTH_REQUIRED:
2472 res = "TLDAP_STRONG_AUTH_REQUIRED";
2473 break;
2474 case TLDAP_REFERRAL:
2475 res = "TLDAP_REFERRAL";
2476 break;
2477 case TLDAP_ADMINLIMIT_EXCEEDED:
2478 res = "TLDAP_ADMINLIMIT_EXCEEDED";
2479 break;
2480 case TLDAP_UNAVAILABLE_CRITICAL_EXTENSION:
2481 res = "TLDAP_UNAVAILABLE_CRITICAL_EXTENSION";
2482 break;
2483 case TLDAP_CONFIDENTIALITY_REQUIRED:
2484 res = "TLDAP_CONFIDENTIALITY_REQUIRED";
2485 break;
2486 case TLDAP_SASL_BIND_IN_PROGRESS:
2487 res = "TLDAP_SASL_BIND_IN_PROGRESS";
2488 break;
2489 case TLDAP_NO_SUCH_ATTRIBUTE:
2490 res = "TLDAP_NO_SUCH_ATTRIBUTE";
2491 break;
2492 case TLDAP_UNDEFINED_TYPE:
2493 res = "TLDAP_UNDEFINED_TYPE";
2494 break;
2495 case TLDAP_INAPPROPRIATE_MATCHING:
2496 res = "TLDAP_INAPPROPRIATE_MATCHING";
2497 break;
2498 case TLDAP_CONSTRAINT_VIOLATION:
2499 res = "TLDAP_CONSTRAINT_VIOLATION";
2500 break;
2501 case TLDAP_TYPE_OR_VALUE_EXISTS:
2502 res = "TLDAP_TYPE_OR_VALUE_EXISTS";
2503 break;
2504 case TLDAP_INVALID_SYNTAX:
2505 res = "TLDAP_INVALID_SYNTAX";
2506 break;
2507 case TLDAP_NO_SUCH_OBJECT:
2508 res = "TLDAP_NO_SUCH_OBJECT";
2509 break;
2510 case TLDAP_ALIAS_PROBLEM:
2511 res = "TLDAP_ALIAS_PROBLEM";
2512 break;
2513 case TLDAP_INVALID_DN_SYNTAX:
2514 res = "TLDAP_INVALID_DN_SYNTAX";
2515 break;
2516 case TLDAP_IS_LEAF:
2517 res = "TLDAP_IS_LEAF";
2518 break;
2519 case TLDAP_ALIAS_DEREF_PROBLEM:
2520 res = "TLDAP_ALIAS_DEREF_PROBLEM";
2521 break;
2522 case TLDAP_INAPPROPRIATE_AUTH:
2523 res = "TLDAP_INAPPROPRIATE_AUTH";
2524 break;
2525 case TLDAP_INVALID_CREDENTIALS:
2526 res = "TLDAP_INVALID_CREDENTIALS";
2527 break;
2528 case TLDAP_INSUFFICIENT_ACCESS:
2529 res = "TLDAP_INSUFFICIENT_ACCESS";
2530 break;
2531 case TLDAP_BUSY:
2532 res = "TLDAP_BUSY";
2533 break;
2534 case TLDAP_UNAVAILABLE:
2535 res = "TLDAP_UNAVAILABLE";
2536 break;
2537 case TLDAP_UNWILLING_TO_PERFORM:
2538 res = "TLDAP_UNWILLING_TO_PERFORM";
2539 break;
2540 case TLDAP_LOOP_DETECT:
2541 res = "TLDAP_LOOP_DETECT";
2542 break;
2543 case TLDAP_NAMING_VIOLATION:
2544 res = "TLDAP_NAMING_VIOLATION";
2545 break;
2546 case TLDAP_OBJECT_CLASS_VIOLATION:
2547 res = "TLDAP_OBJECT_CLASS_VIOLATION";
2548 break;
2549 case TLDAP_NOT_ALLOWED_ON_NONLEAF:
2550 res = "TLDAP_NOT_ALLOWED_ON_NONLEAF";
2551 break;
2552 case TLDAP_NOT_ALLOWED_ON_RDN:
2553 res = "TLDAP_NOT_ALLOWED_ON_RDN";
2554 break;
2555 case TLDAP_ALREADY_EXISTS:
2556 res = "TLDAP_ALREADY_EXISTS";
2557 break;
2558 case TLDAP_NO_OBJECT_CLASS_MODS:
2559 res = "TLDAP_NO_OBJECT_CLASS_MODS";
2560 break;
2561 case TLDAP_RESULTS_TOO_LARGE:
2562 res = "TLDAP_RESULTS_TOO_LARGE";
2563 break;
2564 case TLDAP_AFFECTS_MULTIPLE_DSAS:
2565 res = "TLDAP_AFFECTS_MULTIPLE_DSAS";
2566 break;
2567 case TLDAP_OTHER:
2568 res = "TLDAP_OTHER";
2569 break;
2570 case TLDAP_SERVER_DOWN:
2571 res = "TLDAP_SERVER_DOWN";
2572 break;
2573 case TLDAP_LOCAL_ERROR:
2574 res = "TLDAP_LOCAL_ERROR";
2575 break;
2576 case TLDAP_ENCODING_ERROR:
2577 res = "TLDAP_ENCODING_ERROR";
2578 break;
2579 case TLDAP_DECODING_ERROR:
2580 res = "TLDAP_DECODING_ERROR";
2581 break;
2582 case TLDAP_TIMEOUT:
2583 res = "TLDAP_TIMEOUT";
2584 break;
2585 case TLDAP_AUTH_UNKNOWN:
2586 res = "TLDAP_AUTH_UNKNOWN";
2587 break;
2588 case TLDAP_FILTER_ERROR:
2589 res = "TLDAP_FILTER_ERROR";
2590 break;
2591 case TLDAP_USER_CANCELLED:
2592 res = "TLDAP_USER_CANCELLED";
2593 break;
2594 case TLDAP_PARAM_ERROR:
2595 res = "TLDAP_PARAM_ERROR";
2596 break;
2597 case TLDAP_NO_MEMORY:
2598 res = "TLDAP_NO_MEMORY";
2599 break;
2600 case TLDAP_CONNECT_ERROR:
2601 res = "TLDAP_CONNECT_ERROR";
2602 break;
2603 case TLDAP_NOT_SUPPORTED:
2604 res = "TLDAP_NOT_SUPPORTED";
2605 break;
2606 case TLDAP_CONTROL_NOT_FOUND:
2607 res = "TLDAP_CONTROL_NOT_FOUND";
2608 break;
2609 case TLDAP_NO_RESULTS_RETURNED:
2610 res = "TLDAP_NO_RESULTS_RETURNED";
2611 break;
2612 case TLDAP_MORE_RESULTS_TO_RETURN:
2613 res = "TLDAP_MORE_RESULTS_TO_RETURN";
2614 break;
2615 case TLDAP_CLIENT_LOOP:
2616 res = "TLDAP_CLIENT_LOOP";
2617 break;
2618 case TLDAP_REFERRAL_LIMIT_EXCEEDED:
2619 res = "TLDAP_REFERRAL_LIMIT_EXCEEDED";
2620 break;
2621 default:
2622 res = talloc_asprintf(talloc_tos(), "Unknown LDAP Error (%d)",
2623 rc);
2624 break;
2626 if (res == NULL) {
2627 res = "Unknown LDAP Error";
2629 return res;