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/>.
22 bool tevent_req_is_ldap_error(struct tevent_req *req, int *perr)
24 enum tevent_req_state state;
27 if (!tevent_req_is_error(req, &state, &err)) {
31 case TEVENT_REQ_TIMED_OUT:
32 *perr = TLDAP_TIMEOUT;
34 case TEVENT_REQ_NO_MEMORY:
35 *perr = TLDAP_NO_MEMORY;
37 case TEVENT_REQ_USER_ERROR:
41 *perr = TLDAP_OPERATIONS_ERROR;
47 struct tldap_ctx_attribute {
52 struct tldap_context {
57 struct tstream_context *conn;
60 struct tevent_queue *outgoing;
61 struct tevent_req **pending;
63 /* For the sync wrappers we need something like get_last_error... */
64 struct tldap_message *last_msg;
67 void (*log_fn)(void *context, enum tldap_debug_level level,
68 const char *fmt, va_list ap);
71 struct tldap_ctx_attribute *ctx_attrs;
74 struct tldap_message {
75 struct asn1_data *data;
82 struct tldap_attribute *attribs;
84 /* Error data sent by the server */
87 char *res_diagnosticmessage;
89 struct tldap_control *res_sctrls;
91 /* Controls sent by the server */
92 struct tldap_control *ctrls;
95 void tldap_set_debug(struct tldap_context *ld,
96 void (*log_fn)(void *log_private,
97 enum tldap_debug_level level,
99 va_list ap) PRINTF_ATTRIBUTE(3,0),
103 ld->log_private = log_private;
106 static void tldap_debug(struct tldap_context *ld,
107 enum tldap_debug_level level,
108 const char *fmt, ...)
114 if (ld->log_fn == NULL) {
118 ld->log_fn(ld->log_private, level, fmt, ap);
122 static int tldap_next_msgid(struct tldap_context *ld)
126 result = ld->msgid++;
127 if (ld->msgid == 2147483647) {
133 struct tldap_context *tldap_context_create(TALLOC_CTX *mem_ctx, int fd)
135 struct tldap_context *ctx;
138 ctx = talloc_zero(mem_ctx, struct tldap_context);
142 ret = tstream_bsd_existing_socket(ctx, fd, &ctx->conn);
149 ctx->outgoing = tevent_queue_create(ctx, "tldap_outgoing");
150 if (ctx->outgoing == NULL) {
157 bool tldap_connection_ok(struct tldap_context *ld)
162 return !ld->server_down;
165 static struct tldap_ctx_attribute *tldap_context_findattr(
166 struct tldap_context *ld, const char *name)
170 num_attrs = talloc_array_length(ld->ctx_attrs);
172 for (i=0; i<num_attrs; i++) {
173 if (strcmp(ld->ctx_attrs[i].name, name) == 0) {
174 return &ld->ctx_attrs[i];
180 bool tldap_context_setattr(struct tldap_context *ld,
181 const char *name, const void *_pptr)
183 struct tldap_ctx_attribute *tmp, *attr;
186 void **pptr = (void **)_pptr;
188 attr = tldap_context_findattr(ld, name);
191 * We don't actually delete attrs, we don't expect tons of
192 * attributes being shuffled around.
194 TALLOC_FREE(attr->ptr);
196 attr->ptr = talloc_move(ld->ctx_attrs, pptr);
202 tmpname = talloc_strdup(ld, name);
203 if (tmpname == NULL) {
207 num_attrs = talloc_array_length(ld->ctx_attrs);
209 tmp = talloc_realloc(ld, ld->ctx_attrs, struct tldap_ctx_attribute,
212 TALLOC_FREE(tmpname);
215 tmp[num_attrs].name = talloc_move(tmp, &tmpname);
217 tmp[num_attrs].ptr = talloc_move(tmp, pptr);
219 tmp[num_attrs].ptr = NULL;
226 void *tldap_context_getattr(struct tldap_context *ld, const char *name)
228 struct tldap_ctx_attribute *attr = tldap_context_findattr(ld, name);
236 struct read_ldap_state {
241 static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data);
242 static void read_ldap_done(struct tevent_req *subreq);
244 static struct tevent_req *read_ldap_send(TALLOC_CTX *mem_ctx,
245 struct tevent_context *ev,
246 struct tstream_context *conn)
248 struct tevent_req *req, *subreq;
249 struct read_ldap_state *state;
251 req = tevent_req_create(mem_ctx, &state, struct read_ldap_state);
257 subreq = tstream_read_packet_send(state, ev, conn, 2, read_ldap_more,
259 if (tevent_req_nomem(subreq, req)) {
260 return tevent_req_post(req, ev);
262 tevent_req_set_callback(subreq, read_ldap_done, req);
266 static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data)
268 struct read_ldap_state *state = talloc_get_type_abort(
269 private_data, struct read_ldap_state);
274 /* We've been here, we're done */
279 * From ldap.h: LDAP_TAG_MESSAGE is 0x30
281 if (buf[0] != 0x30) {
286 if ((len & 0x80) == 0) {
291 lensize = (len & 0x7f);
295 /* Please get us the full length */
298 if (buflen > 2 + lensize) {
302 if (buflen != 2 + lensize) {
306 for (i=0; i<lensize; i++) {
307 len = (len << 8) | buf[2+i];
312 static void read_ldap_done(struct tevent_req *subreq)
314 struct tevent_req *req = tevent_req_callback_data(
315 subreq, struct tevent_req);
316 struct read_ldap_state *state = tevent_req_data(
317 req, struct read_ldap_state);
321 nread = tstream_read_packet_recv(subreq, state, &state->buf, &err);
324 tevent_req_error(req, err);
327 tevent_req_done(req);
330 static ssize_t read_ldap_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
331 uint8_t **pbuf, int *perrno)
333 struct read_ldap_state *state = tevent_req_data(
334 req, struct read_ldap_state);
336 if (tevent_req_is_unix_error(req, perrno)) {
339 *pbuf = talloc_move(mem_ctx, &state->buf);
340 return talloc_get_size(*pbuf);
343 struct tldap_msg_state {
344 struct tldap_context *ld;
345 struct tevent_context *ev;
349 struct asn1_data *data;
353 static void tldap_push_controls(struct asn1_data *data,
354 struct tldap_control *sctrls,
359 if ((sctrls == NULL) || (num_sctrls == 0)) {
363 asn1_push_tag(data, ASN1_CONTEXT(0));
365 for (i=0; i<num_sctrls; i++) {
366 struct tldap_control *c = &sctrls[i];
367 asn1_push_tag(data, ASN1_SEQUENCE(0));
368 asn1_write_OctetString(data, c->oid, strlen(c->oid));
370 asn1_write_BOOLEAN(data, true);
372 if (c->value.data != NULL) {
373 asn1_write_OctetString(data, c->value.data,
376 asn1_pop_tag(data); /* ASN1_SEQUENCE(0) */
379 asn1_pop_tag(data); /* ASN1_CONTEXT(0) */
382 static void tldap_msg_sent(struct tevent_req *subreq);
383 static void tldap_msg_received(struct tevent_req *subreq);
385 static struct tevent_req *tldap_msg_send(TALLOC_CTX *mem_ctx,
386 struct tevent_context *ev,
387 struct tldap_context *ld,
388 int id, struct asn1_data *data,
389 struct tldap_control *sctrls,
392 struct tevent_req *req, *subreq;
393 struct tldap_msg_state *state;
396 tldap_debug(ld, TLDAP_DEBUG_TRACE, "tldap_msg_send: sending msg %d\n",
399 req = tevent_req_create(mem_ctx, &state, struct tldap_msg_state);
407 if (state->ld->server_down) {
408 tevent_req_error(req, TLDAP_SERVER_DOWN);
409 return tevent_req_post(req, ev);
412 tldap_push_controls(data, sctrls, num_sctrls);
416 if (!asn1_blob(data, &blob)) {
417 tevent_req_error(req, TLDAP_ENCODING_ERROR);
418 return tevent_req_post(req, ev);
421 state->iov.iov_base = blob.data;
422 state->iov.iov_len = blob.length;
424 subreq = tstream_writev_queue_send(state, ev, ld->conn, ld->outgoing,
426 if (tevent_req_nomem(subreq, req)) {
427 return tevent_req_post(req, ev);
429 tevent_req_set_callback(subreq, tldap_msg_sent, req);
433 static void tldap_msg_unset_pending(struct tevent_req *req)
435 struct tldap_msg_state *state = tevent_req_data(
436 req, struct tldap_msg_state);
437 struct tldap_context *ld = state->ld;
438 int num_pending = talloc_array_length(ld->pending);
441 if (num_pending == 1) {
442 TALLOC_FREE(ld->pending);
446 for (i=0; i<num_pending; i++) {
447 if (req == ld->pending[i]) {
451 if (i == num_pending) {
453 * Something's seriously broken. Just returning here is the
454 * right thing nevertheless, the point of this routine is to
455 * remove ourselves from cli->pending.
461 * Remove ourselves from the cli->pending array
463 if (num_pending > 1) {
464 ld->pending[i] = ld->pending[num_pending-1];
468 * No NULL check here, we're shrinking by sizeof(void *), and
469 * talloc_realloc just adjusts the size for this.
471 ld->pending = talloc_realloc(NULL, ld->pending, struct tevent_req *,
476 static int tldap_msg_destructor(struct tevent_req *req)
478 tldap_msg_unset_pending(req);
482 static bool tldap_msg_set_pending(struct tevent_req *req)
484 struct tldap_msg_state *state = tevent_req_data(
485 req, struct tldap_msg_state);
486 struct tldap_context *ld;
487 struct tevent_req **pending;
489 struct tevent_req *subreq;
492 num_pending = talloc_array_length(ld->pending);
494 pending = talloc_realloc(ld, ld->pending, struct tevent_req *,
496 if (pending == NULL) {
499 pending[num_pending] = req;
500 ld->pending = pending;
501 talloc_set_destructor(req, tldap_msg_destructor);
503 if (num_pending > 0) {
508 * We're the first ones, add the read_ldap request that waits for the
509 * answer from the server
511 subreq = read_ldap_send(ld->pending, state->ev, ld->conn);
512 if (subreq == NULL) {
513 tldap_msg_unset_pending(req);
516 tevent_req_set_callback(subreq, tldap_msg_received, ld);
520 static void tldap_msg_sent(struct tevent_req *subreq)
522 struct tevent_req *req = tevent_req_callback_data(
523 subreq, struct tevent_req);
524 struct tldap_msg_state *state = tevent_req_data(
525 req, struct tldap_msg_state);
529 nwritten = tstream_writev_queue_recv(subreq, &err);
531 if (nwritten == -1) {
532 state->ld->server_down = true;
533 tevent_req_error(req, TLDAP_SERVER_DOWN);
537 if (!tldap_msg_set_pending(req)) {
538 tevent_req_nomem(NULL, req);
543 static int tldap_msg_msgid(struct tevent_req *req)
545 struct tldap_msg_state *state = tevent_req_data(
546 req, struct tldap_msg_state);
551 static void tldap_msg_received(struct tevent_req *subreq)
553 struct tldap_context *ld = tevent_req_callback_data(
554 subreq, struct tldap_context);
555 struct tevent_req *req;
556 struct tldap_msg_state *state;
557 struct tevent_context *ev;
558 struct asn1_data *data;
567 received = read_ldap_recv(subreq, talloc_tos(), &inbuf, &err);
569 if (received == -1) {
570 status = TLDAP_SERVER_DOWN;
574 data = asn1_init(talloc_tos());
576 status = TLDAP_NO_MEMORY;
579 asn1_load_nocopy(data, inbuf, received);
582 ok &= asn1_start_tag(data, ASN1_SEQUENCE(0));
583 ok &= asn1_read_Integer(data, &id);
584 ok &= asn1_peek_uint8(data, &type);
587 status = TLDAP_PROTOCOL_ERROR;
591 tldap_debug(ld, TLDAP_DEBUG_TRACE, "tldap_msg_received: got msg %d "
592 "type %d\n", id, (int)type);
594 num_pending = talloc_array_length(ld->pending);
596 for (i=0; i<num_pending; i++) {
597 if (id == tldap_msg_msgid(ld->pending[i])) {
601 if (i == num_pending) {
602 /* Dump unexpected reply */
603 tldap_debug(ld, TLDAP_DEBUG_WARNING, "tldap_msg_received: "
604 "No request pending for msg %d\n", id);
610 req = ld->pending[i];
611 state = tevent_req_data(req, struct tldap_msg_state);
613 state->inbuf = talloc_move(state, &inbuf);
614 state->data = talloc_move(state, &data);
618 talloc_set_destructor(req, NULL);
619 tldap_msg_unset_pending(req);
620 num_pending = talloc_array_length(ld->pending);
622 tevent_req_done(req);
625 if (num_pending == 0) {
628 if (talloc_array_length(ld->pending) > num_pending) {
630 * The callback functions called from tevent_req_done() above
631 * have put something on the pending queue. We don't have to
632 * trigger the read_ldap_send(), tldap_msg_set_pending() has
633 * done it for us already.
638 state = tevent_req_data(ld->pending[0], struct tldap_msg_state);
639 subreq = read_ldap_send(ld->pending, state->ev, ld->conn);
640 if (subreq == NULL) {
641 status = TLDAP_NO_MEMORY;
644 tevent_req_set_callback(subreq, tldap_msg_received, ld);
648 while (talloc_array_length(ld->pending) > 0) {
649 req = ld->pending[0];
650 talloc_set_destructor(req, NULL);
651 tldap_msg_destructor(req);
652 tevent_req_error(req, status);
656 static int tldap_msg_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
657 struct tldap_message **pmsg)
659 struct tldap_msg_state *state = tevent_req_data(
660 req, struct tldap_msg_state);
661 struct tldap_message *msg;
665 if (tevent_req_is_ldap_error(req, &err)) {
669 if (!asn1_peek_uint8(state->data, &msgtype)) {
670 return TLDAP_PROTOCOL_ERROR;
674 return TLDAP_SUCCESS;
677 msg = talloc_zero(mem_ctx, struct tldap_message);
679 return TLDAP_NO_MEMORY;
683 msg->inbuf = talloc_move(msg, &state->inbuf);
684 msg->data = talloc_move(msg, &state->data);
688 return TLDAP_SUCCESS;
691 struct tldap_req_state {
693 struct asn1_data *out;
694 struct tldap_message *result;
697 static struct tevent_req *tldap_req_create(TALLOC_CTX *mem_ctx,
698 struct tldap_context *ld,
699 struct tldap_req_state **pstate)
701 struct tevent_req *req;
702 struct tldap_req_state *state;
704 req = tevent_req_create(mem_ctx, &state, struct tldap_req_state);
709 state->out = asn1_init(state);
710 if (state->out == NULL) {
714 state->result = NULL;
715 state->id = tldap_next_msgid(ld);
717 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
718 asn1_write_Integer(state->out, state->id);
724 static void tldap_save_msg(struct tldap_context *ld, struct tevent_req *req)
726 struct tldap_req_state *state = tevent_req_data(
727 req, struct tldap_req_state);
729 TALLOC_FREE(ld->last_msg);
730 ld->last_msg = talloc_move(ld, &state->result);
733 static char *blob2string_talloc(TALLOC_CTX *mem_ctx, DATA_BLOB blob)
735 char *result = talloc_array(mem_ctx, char, blob.length+1);
736 memcpy(result, blob.data, blob.length);
737 result[blob.length] = '\0';
741 static bool asn1_read_OctetString_talloc(TALLOC_CTX *mem_ctx,
742 struct asn1_data *data,
746 if (!asn1_read_OctetString(data, mem_ctx, &string))
748 *result = blob2string_talloc(mem_ctx, string);
749 data_blob_free(&string);
753 static bool tldap_decode_controls(struct tldap_req_state *state);
755 static bool tldap_decode_response(struct tldap_req_state *state)
757 struct asn1_data *data = state->result->data;
758 struct tldap_message *msg = state->result;
761 ok &= asn1_read_enumerated(data, &msg->lderr);
762 ok &= asn1_read_OctetString_talloc(msg, data, &msg->res_matcheddn);
763 ok &= asn1_read_OctetString_talloc(msg, data,
764 &msg->res_diagnosticmessage);
765 if (asn1_peek_tag(data, ASN1_CONTEXT(3))) {
766 ok &= asn1_start_tag(data, ASN1_CONTEXT(3));
767 ok &= asn1_read_OctetString_talloc(msg, data,
769 ok &= asn1_end_tag(data);
771 msg->res_referral = NULL;
777 static void tldap_sasl_bind_done(struct tevent_req *subreq);
779 struct tevent_req *tldap_sasl_bind_send(TALLOC_CTX *mem_ctx,
780 struct tevent_context *ev,
781 struct tldap_context *ld,
783 const char *mechanism,
785 struct tldap_control *sctrls,
787 struct tldap_control *cctrls,
790 struct tevent_req *req, *subreq;
791 struct tldap_req_state *state;
793 req = tldap_req_create(mem_ctx, ld, &state);
802 asn1_push_tag(state->out, TLDAP_REQ_BIND);
803 asn1_write_Integer(state->out, ld->ld_version);
804 asn1_write_OctetString(state->out, dn, (dn != NULL) ? strlen(dn) : 0);
806 if (mechanism == NULL) {
807 asn1_push_tag(state->out, ASN1_CONTEXT_SIMPLE(0));
808 asn1_write(state->out, creds->data, creds->length);
809 asn1_pop_tag(state->out);
811 asn1_push_tag(state->out, ASN1_CONTEXT(3));
812 asn1_write_OctetString(state->out, mechanism,
814 if ((creds != NULL) && (creds->data != NULL)) {
815 asn1_write_OctetString(state->out, creds->data,
818 asn1_pop_tag(state->out);
821 if (!asn1_pop_tag(state->out)) {
822 tevent_req_error(req, TLDAP_ENCODING_ERROR);
823 return tevent_req_post(req, ev);
826 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
828 if (tevent_req_nomem(subreq, req)) {
829 return tevent_req_post(req, ev);
831 tevent_req_set_callback(subreq, tldap_sasl_bind_done, req);
835 static void tldap_sasl_bind_done(struct tevent_req *subreq)
837 struct tevent_req *req = tevent_req_callback_data(
838 subreq, struct tevent_req);
839 struct tldap_req_state *state = tevent_req_data(
840 req, struct tldap_req_state);
843 err = tldap_msg_recv(subreq, state, &state->result);
845 if (err != TLDAP_SUCCESS) {
846 tevent_req_error(req, err);
849 if (state->result->type != TLDAP_RES_BIND) {
850 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
853 if (!asn1_start_tag(state->result->data, state->result->type) ||
854 !tldap_decode_response(state) ||
855 !asn1_end_tag(state->result->data)) {
856 tevent_req_error(req, TLDAP_DECODING_ERROR);
860 * TODO: pull the reply blob
862 if (state->result->lderr != TLDAP_SUCCESS) {
863 tevent_req_error(req, state->result->lderr);
866 tevent_req_done(req);
869 int tldap_sasl_bind_recv(struct tevent_req *req)
873 if (tevent_req_is_ldap_error(req, &err)) {
876 return TLDAP_SUCCESS;
879 int tldap_sasl_bind(struct tldap_context *ld,
881 const char *mechanism,
883 struct tldap_control *sctrls,
885 struct tldap_control *cctrls,
888 TALLOC_CTX *frame = talloc_stackframe();
889 struct tevent_context *ev;
890 struct tevent_req *req;
893 ev = event_context_init(frame);
895 result = TLDAP_NO_MEMORY;
899 req = tldap_sasl_bind_send(frame, ev, ld, dn, mechanism, creds,
900 sctrls, num_sctrls, cctrls, num_cctrls);
902 result = TLDAP_NO_MEMORY;
906 if (!tevent_req_poll(req, ev)) {
907 result = TLDAP_OPERATIONS_ERROR;
911 result = tldap_sasl_bind_recv(req);
912 tldap_save_msg(ld, req);
918 struct tevent_req *tldap_simple_bind_send(TALLOC_CTX *mem_ctx,
919 struct tevent_context *ev,
920 struct tldap_context *ld,
926 if (passwd != NULL) {
927 cred.data = (uint8_t *)passwd;
928 cred.length = strlen(passwd);
930 cred.data = (uint8_t *)"";
933 return tldap_sasl_bind_send(mem_ctx, ev, ld, dn, NULL, &cred, NULL, 0,
937 int tldap_simple_bind_recv(struct tevent_req *req)
939 return tldap_sasl_bind_recv(req);
942 int tldap_simple_bind(struct tldap_context *ld, const char *dn,
947 if (passwd != NULL) {
948 cred.data = (uint8_t *)passwd;
949 cred.length = strlen(passwd);
951 cred.data = (uint8_t *)"";
954 return tldap_sasl_bind(ld, dn, NULL, &cred, NULL, 0, NULL, 0);
957 /*****************************************************************************/
960 * This piece has a dependency on ldb, the ldb_parse_tree() function is used.
961 * In case we want to separate out tldap, we need to copy or rewrite it.
964 #include "lib/ldb/include/ldb.h"
965 #include "lib/ldb/include/ldb_errors.h"
967 static bool ldap_push_filter(struct asn1_data *data,
968 struct ldb_parse_tree *tree)
972 switch (tree->operation) {
976 ASN1_CONTEXT(tree->operation==LDB_OP_AND?0:1));
977 for (i=0; i<tree->u.list.num_elements; i++) {
978 if (!ldap_push_filter(data,
979 tree->u.list.elements[i])) {
987 asn1_push_tag(data, ASN1_CONTEXT(2));
988 if (!ldap_push_filter(data, tree->u.isnot.child)) {
994 case LDB_OP_EQUALITY:
996 asn1_push_tag(data, ASN1_CONTEXT(3));
997 asn1_write_OctetString(data, tree->u.equality.attr,
998 strlen(tree->u.equality.attr));
999 asn1_write_OctetString(data, tree->u.equality.value.data,
1000 tree->u.equality.value.length);
1004 case LDB_OP_SUBSTRING:
1006 SubstringFilter ::= SEQUENCE {
1007 type AttributeDescription,
1008 -- at least one must be present
1009 substrings SEQUENCE OF CHOICE {
1010 initial [0] LDAPString,
1012 final [2] LDAPString } }
1014 asn1_push_tag(data, ASN1_CONTEXT(4));
1015 asn1_write_OctetString(data, tree->u.substring.attr,
1016 strlen(tree->u.substring.attr));
1017 asn1_push_tag(data, ASN1_SEQUENCE(0));
1019 if (!tree->u.substring.start_with_wildcard) {
1020 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(0));
1021 asn1_write_DATA_BLOB_LDAPString(
1022 data, tree->u.substring.chunks[i]);
1026 while (tree->u.substring.chunks[i]) {
1029 if ((!tree->u.substring.chunks[i + 1]) &&
1030 (tree->u.substring.end_with_wildcard == 0)) {
1035 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(ctx));
1036 asn1_write_DATA_BLOB_LDAPString(
1037 data, tree->u.substring.chunks[i]);
1045 case LDB_OP_GREATER:
1046 /* greaterOrEqual test */
1047 asn1_push_tag(data, ASN1_CONTEXT(5));
1048 asn1_write_OctetString(data, tree->u.comparison.attr,
1049 strlen(tree->u.comparison.attr));
1050 asn1_write_OctetString(data, tree->u.comparison.value.data,
1051 tree->u.comparison.value.length);
1056 /* lessOrEqual test */
1057 asn1_push_tag(data, ASN1_CONTEXT(6));
1058 asn1_write_OctetString(data, tree->u.comparison.attr,
1059 strlen(tree->u.comparison.attr));
1060 asn1_write_OctetString(data, tree->u.comparison.value.data,
1061 tree->u.comparison.value.length);
1065 case LDB_OP_PRESENT:
1067 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(7));
1068 asn1_write_LDAPString(data, tree->u.present.attr);
1070 return !data->has_error;
1074 asn1_push_tag(data, ASN1_CONTEXT(8));
1075 asn1_write_OctetString(data, tree->u.comparison.attr,
1076 strlen(tree->u.comparison.attr));
1077 asn1_write_OctetString(data, tree->u.comparison.value.data,
1078 tree->u.comparison.value.length);
1082 case LDB_OP_EXTENDED:
1084 MatchingRuleAssertion ::= SEQUENCE {
1085 matchingRule [1] MatchingRuleID OPTIONAL,
1086 type [2] AttributeDescription OPTIONAL,
1087 matchValue [3] AssertionValue,
1088 dnAttributes [4] BOOLEAN DEFAULT FALSE
1091 asn1_push_tag(data, ASN1_CONTEXT(9));
1092 if (tree->u.extended.rule_id) {
1093 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(1));
1094 asn1_write_LDAPString(data, tree->u.extended.rule_id);
1097 if (tree->u.extended.attr) {
1098 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(2));
1099 asn1_write_LDAPString(data, tree->u.extended.attr);
1102 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(3));
1103 asn1_write_DATA_BLOB_LDAPString(data, &tree->u.extended.value);
1105 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(4));
1106 asn1_write_uint8(data, tree->u.extended.dnAttributes);
1114 return !data->has_error;
1117 static bool tldap_push_filter(struct asn1_data *data, const char *filter)
1119 struct ldb_parse_tree *tree;
1122 tree = ldb_parse_tree(talloc_tos(), filter);
1126 ret = ldap_push_filter(data, tree);
1131 /*****************************************************************************/
1133 static void tldap_search_done(struct tevent_req *subreq);
1135 struct tevent_req *tldap_search_send(TALLOC_CTX *mem_ctx,
1136 struct tevent_context *ev,
1137 struct tldap_context *ld,
1138 const char *base, int scope,
1143 struct tldap_control *sctrls,
1145 struct tldap_control *cctrls,
1151 struct tevent_req *req, *subreq;
1152 struct tldap_req_state *state;
1155 req = tldap_req_create(mem_ctx, ld, &state);
1160 asn1_push_tag(state->out, TLDAP_REQ_SEARCH);
1161 asn1_write_OctetString(state->out, base, strlen(base));
1162 asn1_write_enumerated(state->out, scope);
1163 asn1_write_enumerated(state->out, deref);
1164 asn1_write_Integer(state->out, sizelimit);
1165 asn1_write_Integer(state->out, timelimit);
1166 asn1_write_BOOLEAN(state->out, attrsonly);
1168 if (!tldap_push_filter(state->out, filter)) {
1169 goto encoding_error;
1172 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1173 for (i=0; i<num_attrs; i++) {
1174 asn1_write_OctetString(state->out, attrs[i], strlen(attrs[i]));
1176 asn1_pop_tag(state->out);
1177 asn1_pop_tag(state->out);
1179 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
1180 sctrls, num_sctrls);
1181 if (tevent_req_nomem(subreq, req)) {
1182 return tevent_req_post(req, ev);
1184 tevent_req_set_callback(subreq, tldap_search_done, req);
1188 tevent_req_error(req, TLDAP_ENCODING_ERROR);
1189 return tevent_req_post(req, ev);
1192 static void tldap_search_done(struct tevent_req *subreq)
1194 struct tevent_req *req = tevent_req_callback_data(
1195 subreq, struct tevent_req);
1196 struct tldap_req_state *state = tevent_req_data(
1197 req, struct tldap_req_state);
1200 err = tldap_msg_recv(subreq, state, &state->result);
1201 if (err != TLDAP_SUCCESS) {
1202 tevent_req_error(req, err);
1205 switch (state->result->type) {
1206 case TLDAP_RES_SEARCH_ENTRY:
1207 case TLDAP_RES_SEARCH_REFERENCE:
1208 tevent_req_notify_callback(req);
1209 if (!tldap_msg_set_pending(subreq)) {
1210 tevent_req_nomem(NULL, req);
1214 case TLDAP_RES_SEARCH_RESULT:
1215 TALLOC_FREE(subreq);
1216 if (!asn1_start_tag(state->result->data,
1217 state->result->type) ||
1218 !tldap_decode_response(state) ||
1219 !asn1_end_tag(state->result->data) ||
1220 !tldap_decode_controls(state)) {
1221 tevent_req_error(req, TLDAP_DECODING_ERROR);
1224 tevent_req_done(req);
1227 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
1232 int tldap_search_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
1233 struct tldap_message **pmsg)
1235 struct tldap_req_state *state = tevent_req_data(
1236 req, struct tldap_req_state);
1239 if (!tevent_req_is_in_progress(req)
1240 && tevent_req_is_ldap_error(req, &err)) {
1244 if (tevent_req_is_in_progress(req)) {
1245 switch (state->result->type) {
1246 case TLDAP_RES_SEARCH_ENTRY:
1247 case TLDAP_RES_SEARCH_REFERENCE:
1250 return TLDAP_OPERATIONS_ERROR;
1254 *pmsg = talloc_move(mem_ctx, &state->result);
1255 return TLDAP_SUCCESS;
1258 struct tldap_sync_search_state {
1259 TALLOC_CTX *mem_ctx;
1260 struct tldap_message **entries;
1261 struct tldap_message **refs;
1265 static void tldap_search_cb(struct tevent_req *req)
1267 struct tldap_sync_search_state *state =
1268 (struct tldap_sync_search_state *)
1269 tevent_req_callback_data_void(req);
1270 struct tldap_message *msg, **tmp;
1271 int rc, num_entries, num_refs;
1273 rc = tldap_search_recv(req, talloc_tos(), &msg);
1274 if (rc != TLDAP_SUCCESS) {
1279 switch (tldap_msg_type(msg)) {
1280 case TLDAP_RES_SEARCH_ENTRY:
1281 num_entries = talloc_array_length(state->entries);
1282 tmp = talloc_realloc(state->mem_ctx, state->entries,
1283 struct tldap_message *, num_entries + 1);
1285 state->rc = TLDAP_NO_MEMORY;
1288 state->entries = tmp;
1289 state->entries[num_entries] = talloc_move(state->entries,
1292 case TLDAP_RES_SEARCH_REFERENCE:
1293 num_refs = talloc_array_length(state->refs);
1294 tmp = talloc_realloc(state->mem_ctx, state->refs,
1295 struct tldap_message *, num_refs + 1);
1297 state->rc = TLDAP_NO_MEMORY;
1301 state->refs[num_refs] = talloc_move(state->refs, &msg);
1303 case TLDAP_RES_SEARCH_RESULT:
1304 state->rc = TLDAP_SUCCESS;
1307 state->rc = TLDAP_PROTOCOL_ERROR;
1312 int tldap_search(struct tldap_context *ld,
1313 const char *base, int scope, const char *filter,
1314 const char **attrs, int num_attrs, int attrsonly,
1315 struct tldap_control *sctrls, int num_sctrls,
1316 struct tldap_control *cctrls, int num_cctrls,
1317 int timelimit, int sizelimit, int deref,
1318 TALLOC_CTX *mem_ctx, struct tldap_message ***entries,
1319 struct tldap_message ***refs)
1321 TALLOC_CTX *frame = talloc_stackframe();
1322 struct tevent_context *ev;
1323 struct tevent_req *req;
1324 struct tldap_sync_search_state state;
1327 state.mem_ctx = mem_ctx;
1328 state.rc = TLDAP_SUCCESS;
1330 ev = event_context_init(frame);
1332 state.rc = TLDAP_NO_MEMORY;
1336 req = tldap_search_send(frame, ev, ld, base, scope, filter,
1337 attrs, num_attrs, attrsonly,
1338 sctrls, num_sctrls, cctrls, num_cctrls,
1339 timelimit, sizelimit, deref);
1341 state.rc = TLDAP_NO_MEMORY;
1345 tevent_req_set_callback(req, tldap_search_cb, &state);
1347 while (tevent_req_is_in_progress(req)
1348 && (state.rc == TLDAP_SUCCESS)) {
1349 if (tevent_loop_once(ev) == -1) {
1350 return TLDAP_OPERATIONS_ERROR;
1354 if (state.rc != TLDAP_SUCCESS) {
1358 if (entries != NULL) {
1359 *entries = state.entries;
1361 TALLOC_FREE(state.entries);
1366 TALLOC_FREE(state.refs);
1368 tldap_save_msg(ld, req);
1374 static bool tldap_parse_search_entry(struct tldap_message *msg)
1376 int num_attribs = 0;
1378 asn1_start_tag(msg->data, msg->type);
1382 asn1_read_OctetString_talloc(msg, msg->data, &msg->dn);
1383 if (msg->dn == NULL) {
1388 * Attributes: We overallocate msg->attribs by one, so that while
1389 * looping over the attributes we can directly parse into the last
1390 * array element. Same for the values in the inner loop.
1393 msg->attribs = talloc_array(msg, struct tldap_attribute, 1);
1394 if (msg->attribs == NULL) {
1398 asn1_start_tag(msg->data, ASN1_SEQUENCE(0));
1399 while (asn1_peek_tag(msg->data, ASN1_SEQUENCE(0))) {
1400 struct tldap_attribute *attrib;
1403 attrib = &msg->attribs[num_attribs];
1404 attrib->values = talloc_array(msg->attribs, DATA_BLOB, 1);
1405 if (attrib->values == NULL) {
1408 asn1_start_tag(msg->data, ASN1_SEQUENCE(0));
1409 asn1_read_OctetString_talloc(msg->attribs, msg->data,
1411 asn1_start_tag(msg->data, ASN1_SET);
1413 while (asn1_peek_tag(msg->data, ASN1_OCTET_STRING)) {
1414 asn1_read_OctetString(msg->data, msg,
1415 &attrib->values[num_values]);
1417 attrib->values = talloc_realloc(
1418 msg->attribs, attrib->values, DATA_BLOB,
1420 if (attrib->values == NULL) {
1425 attrib->values = talloc_realloc(msg->attribs, attrib->values,
1426 DATA_BLOB, num_values);
1427 attrib->num_values = num_values;
1429 asn1_end_tag(msg->data); /* ASN1_SET */
1430 asn1_end_tag(msg->data); /* ASN1_SEQUENCE(0) */
1431 msg->attribs = talloc_realloc(
1432 msg, msg->attribs, struct tldap_attribute,
1434 if (msg->attribs == NULL) {
1439 msg->attribs = talloc_realloc(
1440 msg, msg->attribs, struct tldap_attribute, num_attribs);
1441 asn1_end_tag(msg->data);
1442 if (msg->data->has_error) {
1448 bool tldap_entry_dn(struct tldap_message *msg, char **dn)
1450 if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
1457 bool tldap_entry_attributes(struct tldap_message *msg, int *num_attributes,
1458 struct tldap_attribute **attributes)
1460 if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
1463 *attributes = msg->attribs;
1464 *num_attributes = talloc_array_length(msg->attribs);
1468 static bool tldap_decode_controls(struct tldap_req_state *state)
1470 struct tldap_message *msg = state->result;
1471 struct asn1_data *data = msg->data;
1472 struct tldap_control *sctrls = NULL;
1473 int num_controls = 0;
1475 msg->res_sctrls = NULL;
1477 if (!asn1_peek_tag(data, ASN1_CONTEXT(0))) {
1481 asn1_start_tag(data, ASN1_CONTEXT(0));
1483 while (asn1_peek_tag(data, ASN1_SEQUENCE(0))) {
1484 struct tldap_control *c;
1487 sctrls = talloc_realloc(msg, sctrls, struct tldap_control,
1489 if (sctrls == NULL) {
1492 c = &sctrls[num_controls];
1494 asn1_start_tag(data, ASN1_SEQUENCE(0));
1495 asn1_read_OctetString_talloc(msg, data, &oid);
1496 if ((data->has_error) || (oid == NULL)) {
1500 if (asn1_peek_tag(data, ASN1_BOOLEAN)) {
1501 asn1_read_BOOLEAN(data, &c->critical);
1503 c->critical = false;
1505 c->value = data_blob_null;
1506 if (asn1_peek_tag(data, ASN1_OCTET_STRING) &&
1507 !asn1_read_OctetString(data, msg, &c->value)) {
1510 asn1_end_tag(data); /* ASN1_SEQUENCE(0) */
1515 asn1_end_tag(data); /* ASN1_CONTEXT(0) */
1517 if (data->has_error) {
1518 TALLOC_FREE(sctrls);
1521 msg->res_sctrls = sctrls;
1525 static void tldap_simple_done(struct tevent_req *subreq, int type)
1527 struct tevent_req *req = tevent_req_callback_data(
1528 subreq, struct tevent_req);
1529 struct tldap_req_state *state = tevent_req_data(
1530 req, struct tldap_req_state);
1533 err = tldap_msg_recv(subreq, state, &state->result);
1534 TALLOC_FREE(subreq);
1535 if (err != TLDAP_SUCCESS) {
1536 tevent_req_error(req, err);
1539 if (state->result->type != type) {
1540 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
1543 if (!asn1_start_tag(state->result->data, state->result->type) ||
1544 !tldap_decode_response(state) ||
1545 !asn1_end_tag(state->result->data) ||
1546 !tldap_decode_controls(state)) {
1547 tevent_req_error(req, TLDAP_DECODING_ERROR);
1550 if (state->result->lderr != TLDAP_SUCCESS) {
1551 tevent_req_error(req, state->result->lderr);
1554 tevent_req_done(req);
1557 static int tldap_simple_recv(struct tevent_req *req)
1560 if (tevent_req_is_ldap_error(req, &err)) {
1563 return TLDAP_SUCCESS;
1566 static void tldap_add_done(struct tevent_req *subreq);
1568 struct tevent_req *tldap_add_send(TALLOC_CTX *mem_ctx,
1569 struct tevent_context *ev,
1570 struct tldap_context *ld,
1572 struct tldap_mod *attributes,
1574 struct tldap_control *sctrls,
1576 struct tldap_control *cctrls,
1579 struct tevent_req *req, *subreq;
1580 struct tldap_req_state *state;
1583 req = tldap_req_create(mem_ctx, ld, &state);
1588 asn1_push_tag(state->out, TLDAP_REQ_ADD);
1589 asn1_write_OctetString(state->out, dn, strlen(dn));
1590 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1592 for (i=0; i<num_attributes; i++) {
1593 struct tldap_mod *attrib = &attributes[i];
1594 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1595 asn1_write_OctetString(state->out, attrib->attribute,
1596 strlen(attrib->attribute));
1597 asn1_push_tag(state->out, ASN1_SET);
1598 for (j=0; j<attrib->num_values; j++) {
1599 asn1_write_OctetString(state->out,
1600 attrib->values[j].data,
1601 attrib->values[j].length);
1603 asn1_pop_tag(state->out);
1604 asn1_pop_tag(state->out);
1607 asn1_pop_tag(state->out);
1608 asn1_pop_tag(state->out);
1610 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
1611 sctrls, num_sctrls);
1612 if (tevent_req_nomem(subreq, req)) {
1613 return tevent_req_post(req, ev);
1615 tevent_req_set_callback(subreq, tldap_add_done, req);
1619 static void tldap_add_done(struct tevent_req *subreq)
1621 tldap_simple_done(subreq, TLDAP_RES_ADD);
1624 int tldap_add_recv(struct tevent_req *req)
1626 return tldap_simple_recv(req);
1629 int tldap_add(struct tldap_context *ld, const char *dn,
1630 int num_attributes, struct tldap_mod *attributes,
1631 struct tldap_control *sctrls, int num_sctrls,
1632 struct tldap_control *cctrls, int num_cctrls)
1634 TALLOC_CTX *frame = talloc_stackframe();
1635 struct tevent_context *ev;
1636 struct tevent_req *req;
1639 ev = event_context_init(frame);
1641 result = TLDAP_NO_MEMORY;
1645 req = tldap_add_send(frame, ev, ld, dn, attributes, num_attributes,
1646 sctrls, num_sctrls, cctrls, num_cctrls);
1648 result = TLDAP_NO_MEMORY;
1652 if (!tevent_req_poll(req, ev)) {
1653 result = TLDAP_OPERATIONS_ERROR;
1657 result = tldap_add_recv(req);
1658 tldap_save_msg(ld, req);
1664 static void tldap_modify_done(struct tevent_req *subreq);
1666 struct tevent_req *tldap_modify_send(TALLOC_CTX *mem_ctx,
1667 struct tevent_context *ev,
1668 struct tldap_context *ld,
1670 int num_mods, struct tldap_mod *mods,
1671 struct tldap_control *sctrls,
1673 struct tldap_control *cctrls,
1676 struct tevent_req *req, *subreq;
1677 struct tldap_req_state *state;
1680 req = tldap_req_create(mem_ctx, ld, &state);
1685 asn1_push_tag(state->out, TLDAP_REQ_MODIFY);
1686 asn1_write_OctetString(state->out, dn, strlen(dn));
1687 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1689 for (i=0; i<num_mods; i++) {
1690 struct tldap_mod *mod = &mods[i];
1691 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1692 asn1_write_enumerated(state->out, mod->mod_op),
1693 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1694 asn1_write_OctetString(state->out, mod->attribute,
1695 strlen(mod->attribute));
1696 asn1_push_tag(state->out, ASN1_SET);
1697 for (j=0; j<mod->num_values; j++) {
1698 asn1_write_OctetString(state->out,
1699 mod->values[j].data,
1700 mod->values[j].length);
1702 asn1_pop_tag(state->out);
1703 asn1_pop_tag(state->out);
1704 asn1_pop_tag(state->out);
1707 asn1_pop_tag(state->out);
1708 asn1_pop_tag(state->out);
1710 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
1711 sctrls, num_sctrls);
1712 if (tevent_req_nomem(subreq, req)) {
1713 return tevent_req_post(req, ev);
1715 tevent_req_set_callback(subreq, tldap_modify_done, req);
1719 static void tldap_modify_done(struct tevent_req *subreq)
1721 tldap_simple_done(subreq, TLDAP_RES_MODIFY);
1724 int tldap_modify_recv(struct tevent_req *req)
1726 return tldap_simple_recv(req);
1729 int tldap_modify(struct tldap_context *ld, const char *dn,
1730 int num_mods, struct tldap_mod *mods,
1731 struct tldap_control *sctrls, int num_sctrls,
1732 struct tldap_control *cctrls, int num_cctrls)
1734 TALLOC_CTX *frame = talloc_stackframe();
1735 struct tevent_context *ev;
1736 struct tevent_req *req;
1739 ev = event_context_init(frame);
1741 result = TLDAP_NO_MEMORY;
1745 req = tldap_modify_send(frame, ev, ld, dn, num_mods, mods,
1746 sctrls, num_sctrls, cctrls, num_cctrls);
1748 result = TLDAP_NO_MEMORY;
1752 if (!tevent_req_poll(req, ev)) {
1753 result = TLDAP_OPERATIONS_ERROR;
1757 result = tldap_modify_recv(req);
1758 tldap_save_msg(ld, req);
1764 static void tldap_delete_done(struct tevent_req *subreq);
1766 struct tevent_req *tldap_delete_send(TALLOC_CTX *mem_ctx,
1767 struct tevent_context *ev,
1768 struct tldap_context *ld,
1770 struct tldap_control *sctrls,
1772 struct tldap_control *cctrls,
1775 struct tevent_req *req, *subreq;
1776 struct tldap_req_state *state;
1778 req = tldap_req_create(mem_ctx, ld, &state);
1783 asn1_push_tag(state->out, TLDAP_REQ_DELETE);
1784 asn1_write(state->out, dn, strlen(dn));
1785 asn1_pop_tag(state->out);
1787 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
1788 sctrls, num_sctrls);
1789 if (tevent_req_nomem(subreq, req)) {
1790 return tevent_req_post(req, ev);
1792 tevent_req_set_callback(subreq, tldap_delete_done, req);
1796 static void tldap_delete_done(struct tevent_req *subreq)
1798 tldap_simple_done(subreq, TLDAP_RES_DELETE);
1801 int tldap_delete_recv(struct tevent_req *req)
1803 return tldap_simple_recv(req);
1806 int tldap_delete(struct tldap_context *ld, const char *dn,
1807 struct tldap_control *sctrls, int num_sctrls,
1808 struct tldap_control *cctrls, int num_cctrls)
1810 TALLOC_CTX *frame = talloc_stackframe();
1811 struct tevent_context *ev;
1812 struct tevent_req *req;
1815 ev = event_context_init(frame);
1817 result = TLDAP_NO_MEMORY;
1821 req = tldap_delete_send(frame, ev, ld, dn, sctrls, num_sctrls,
1822 cctrls, num_cctrls);
1824 result = TLDAP_NO_MEMORY;
1828 if (!tevent_req_poll(req, ev)) {
1829 result = TLDAP_OPERATIONS_ERROR;
1833 result = tldap_delete_recv(req);
1834 tldap_save_msg(ld, req);
1840 int tldap_msg_id(const struct tldap_message *msg)
1845 int tldap_msg_type(const struct tldap_message *msg)
1850 const char *tldap_msg_matcheddn(struct tldap_message *msg)
1855 return msg->res_matcheddn;
1858 const char *tldap_msg_diagnosticmessage(struct tldap_message *msg)
1863 return msg->res_diagnosticmessage;
1866 const char *tldap_msg_referral(struct tldap_message *msg)
1871 return msg->res_referral;
1874 void tldap_msg_sctrls(struct tldap_message *msg, int *num_sctrls,
1875 struct tldap_control **sctrls)
1881 *sctrls = msg->res_sctrls;
1882 *num_sctrls = talloc_array_length(msg->res_sctrls);
1885 struct tldap_message *tldap_ctx_lastmsg(struct tldap_context *ld)
1887 return ld->last_msg;
1890 const char *tldap_err2string(int rc)
1892 const char *res = NULL;
1895 * This would normally be a table, but the error codes are not fully
1896 * sequential. Let the compiler figure out the optimum implementation
1902 res = "TLDAP_SUCCESS";
1904 case TLDAP_OPERATIONS_ERROR:
1905 res = "TLDAP_OPERATIONS_ERROR";
1907 case TLDAP_PROTOCOL_ERROR:
1908 res = "TLDAP_PROTOCOL_ERROR";
1910 case TLDAP_TIMELIMIT_EXCEEDED:
1911 res = "TLDAP_TIMELIMIT_EXCEEDED";
1913 case TLDAP_SIZELIMIT_EXCEEDED:
1914 res = "TLDAP_SIZELIMIT_EXCEEDED";
1916 case TLDAP_COMPARE_FALSE:
1917 res = "TLDAP_COMPARE_FALSE";
1919 case TLDAP_COMPARE_TRUE:
1920 res = "TLDAP_COMPARE_TRUE";
1922 case TLDAP_STRONG_AUTH_NOT_SUPPORTED:
1923 res = "TLDAP_STRONG_AUTH_NOT_SUPPORTED";
1925 case TLDAP_STRONG_AUTH_REQUIRED:
1926 res = "TLDAP_STRONG_AUTH_REQUIRED";
1928 case TLDAP_REFERRAL:
1929 res = "TLDAP_REFERRAL";
1931 case TLDAP_ADMINLIMIT_EXCEEDED:
1932 res = "TLDAP_ADMINLIMIT_EXCEEDED";
1934 case TLDAP_UNAVAILABLE_CRITICAL_EXTENSION:
1935 res = "TLDAP_UNAVAILABLE_CRITICAL_EXTENSION";
1937 case TLDAP_CONFIDENTIALITY_REQUIRED:
1938 res = "TLDAP_CONFIDENTIALITY_REQUIRED";
1940 case TLDAP_SASL_BIND_IN_PROGRESS:
1941 res = "TLDAP_SASL_BIND_IN_PROGRESS";
1943 case TLDAP_NO_SUCH_ATTRIBUTE:
1944 res = "TLDAP_NO_SUCH_ATTRIBUTE";
1946 case TLDAP_UNDEFINED_TYPE:
1947 res = "TLDAP_UNDEFINED_TYPE";
1949 case TLDAP_INAPPROPRIATE_MATCHING:
1950 res = "TLDAP_INAPPROPRIATE_MATCHING";
1952 case TLDAP_CONSTRAINT_VIOLATION:
1953 res = "TLDAP_CONSTRAINT_VIOLATION";
1955 case TLDAP_TYPE_OR_VALUE_EXISTS:
1956 res = "TLDAP_TYPE_OR_VALUE_EXISTS";
1958 case TLDAP_INVALID_SYNTAX:
1959 res = "TLDAP_INVALID_SYNTAX";
1961 case TLDAP_NO_SUCH_OBJECT:
1962 res = "TLDAP_NO_SUCH_OBJECT";
1964 case TLDAP_ALIAS_PROBLEM:
1965 res = "TLDAP_ALIAS_PROBLEM";
1967 case TLDAP_INVALID_DN_SYNTAX:
1968 res = "TLDAP_INVALID_DN_SYNTAX";
1971 res = "TLDAP_IS_LEAF";
1973 case TLDAP_ALIAS_DEREF_PROBLEM:
1974 res = "TLDAP_ALIAS_DEREF_PROBLEM";
1976 case TLDAP_INAPPROPRIATE_AUTH:
1977 res = "TLDAP_INAPPROPRIATE_AUTH";
1979 case TLDAP_INVALID_CREDENTIALS:
1980 res = "TLDAP_INVALID_CREDENTIALS";
1982 case TLDAP_INSUFFICIENT_ACCESS:
1983 res = "TLDAP_INSUFFICIENT_ACCESS";
1988 case TLDAP_UNAVAILABLE:
1989 res = "TLDAP_UNAVAILABLE";
1991 case TLDAP_UNWILLING_TO_PERFORM:
1992 res = "TLDAP_UNWILLING_TO_PERFORM";
1994 case TLDAP_LOOP_DETECT:
1995 res = "TLDAP_LOOP_DETECT";
1997 case TLDAP_NAMING_VIOLATION:
1998 res = "TLDAP_NAMING_VIOLATION";
2000 case TLDAP_OBJECT_CLASS_VIOLATION:
2001 res = "TLDAP_OBJECT_CLASS_VIOLATION";
2003 case TLDAP_NOT_ALLOWED_ON_NONLEAF:
2004 res = "TLDAP_NOT_ALLOWED_ON_NONLEAF";
2006 case TLDAP_NOT_ALLOWED_ON_RDN:
2007 res = "TLDAP_NOT_ALLOWED_ON_RDN";
2009 case TLDAP_ALREADY_EXISTS:
2010 res = "TLDAP_ALREADY_EXISTS";
2012 case TLDAP_NO_OBJECT_CLASS_MODS:
2013 res = "TLDAP_NO_OBJECT_CLASS_MODS";
2015 case TLDAP_RESULTS_TOO_LARGE:
2016 res = "TLDAP_RESULTS_TOO_LARGE";
2018 case TLDAP_AFFECTS_MULTIPLE_DSAS:
2019 res = "TLDAP_AFFECTS_MULTIPLE_DSAS";
2022 res = "TLDAP_OTHER";
2024 case TLDAP_SERVER_DOWN:
2025 res = "TLDAP_SERVER_DOWN";
2027 case TLDAP_LOCAL_ERROR:
2028 res = "TLDAP_LOCAL_ERROR";
2030 case TLDAP_ENCODING_ERROR:
2031 res = "TLDAP_ENCODING_ERROR";
2033 case TLDAP_DECODING_ERROR:
2034 res = "TLDAP_DECODING_ERROR";
2037 res = "TLDAP_TIMEOUT";
2039 case TLDAP_AUTH_UNKNOWN:
2040 res = "TLDAP_AUTH_UNKNOWN";
2042 case TLDAP_FILTER_ERROR:
2043 res = "TLDAP_FILTER_ERROR";
2045 case TLDAP_USER_CANCELLED:
2046 res = "TLDAP_USER_CANCELLED";
2048 case TLDAP_PARAM_ERROR:
2049 res = "TLDAP_PARAM_ERROR";
2051 case TLDAP_NO_MEMORY:
2052 res = "TLDAP_NO_MEMORY";
2054 case TLDAP_CONNECT_ERROR:
2055 res = "TLDAP_CONNECT_ERROR";
2057 case TLDAP_NOT_SUPPORTED:
2058 res = "TLDAP_NOT_SUPPORTED";
2060 case TLDAP_CONTROL_NOT_FOUND:
2061 res = "TLDAP_CONTROL_NOT_FOUND";
2063 case TLDAP_NO_RESULTS_RETURNED:
2064 res = "TLDAP_NO_RESULTS_RETURNED";
2066 case TLDAP_MORE_RESULTS_TO_RETURN:
2067 res = "TLDAP_MORE_RESULTS_TO_RETURN";
2069 case TLDAP_CLIENT_LOOP:
2070 res = "TLDAP_CLIENT_LOOP";
2072 case TLDAP_REFERRAL_LIMIT_EXCEEDED:
2073 res = "TLDAP_REFERRAL_LIMIT_EXCEEDED";
2076 res = talloc_asprintf(talloc_tos(), "Unknown LDAP Error (%d)",
2081 res = "Unknown LDAP Error";