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/>.
23 bool tevent_req_is_ldap_error(struct tevent_req *req, int *perr)
25 enum tevent_req_state state;
28 if (!tevent_req_is_error(req, &state, &err)) {
32 case TEVENT_REQ_TIMED_OUT:
33 *perr = TLDAP_TIMEOUT;
35 case TEVENT_REQ_NO_MEMORY:
36 *perr = TLDAP_NO_MEMORY;
38 case TEVENT_REQ_USER_ERROR:
42 *perr = TLDAP_OPERATIONS_ERROR;
48 struct tldap_ctx_attribute {
53 struct tldap_context {
58 struct tstream_context *conn;
61 struct tevent_queue *outgoing;
62 struct tevent_req **pending;
64 /* For the sync wrappers we need something like get_last_error... */
65 struct tldap_message *last_msg;
68 void (*log_fn)(void *context, enum tldap_debug_level level,
69 const char *fmt, va_list ap);
72 struct tldap_ctx_attribute *ctx_attrs;
75 struct tldap_message {
76 struct asn1_data *data;
83 struct tldap_attribute *attribs;
85 /* Error data sent by the server */
88 char *res_diagnosticmessage;
90 struct tldap_control *res_sctrls;
92 /* Controls sent by the server */
93 struct tldap_control *ctrls;
96 void tldap_set_debug(struct tldap_context *ld,
97 void (*log_fn)(void *log_private,
98 enum tldap_debug_level level,
100 va_list ap) PRINTF_ATTRIBUTE(3,0),
104 ld->log_private = log_private;
107 static void tldap_debug(struct tldap_context *ld,
108 enum tldap_debug_level level,
109 const char *fmt, ...)
115 if (ld->log_fn == NULL) {
119 ld->log_fn(ld->log_private, level, fmt, ap);
123 static int tldap_next_msgid(struct tldap_context *ld)
127 result = ld->msgid++;
128 if (ld->msgid == 2147483647) {
134 struct tldap_context *tldap_context_create(TALLOC_CTX *mem_ctx, int fd)
136 struct tldap_context *ctx;
139 ctx = talloc_zero(mem_ctx, struct tldap_context);
143 ret = tstream_bsd_existing_socket(ctx, fd, &ctx->conn);
150 ctx->outgoing = tevent_queue_create(ctx, "tldap_outgoing");
151 if (ctx->outgoing == NULL) {
158 bool tldap_connection_ok(struct tldap_context *ld)
163 return !ld->server_down;
166 static struct tldap_ctx_attribute *tldap_context_findattr(
167 struct tldap_context *ld, const char *name)
171 num_attrs = talloc_array_length(ld->ctx_attrs);
173 for (i=0; i<num_attrs; i++) {
174 if (strcmp(ld->ctx_attrs[i].name, name) == 0) {
175 return &ld->ctx_attrs[i];
181 bool tldap_context_setattr(struct tldap_context *ld,
182 const char *name, const void *_pptr)
184 struct tldap_ctx_attribute *tmp, *attr;
187 void **pptr = (void **)_pptr;
189 attr = tldap_context_findattr(ld, name);
192 * We don't actually delete attrs, we don't expect tons of
193 * attributes being shuffled around.
195 TALLOC_FREE(attr->ptr);
197 attr->ptr = talloc_move(ld->ctx_attrs, pptr);
203 tmpname = talloc_strdup(ld, name);
204 if (tmpname == NULL) {
208 num_attrs = talloc_array_length(ld->ctx_attrs);
210 tmp = talloc_realloc(ld, ld->ctx_attrs, struct tldap_ctx_attribute,
213 TALLOC_FREE(tmpname);
216 tmp[num_attrs].name = talloc_move(tmp, &tmpname);
218 tmp[num_attrs].ptr = talloc_move(tmp, pptr);
220 tmp[num_attrs].ptr = NULL;
227 void *tldap_context_getattr(struct tldap_context *ld, const char *name)
229 struct tldap_ctx_attribute *attr = tldap_context_findattr(ld, name);
237 struct read_ldap_state {
242 static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data);
243 static void read_ldap_done(struct tevent_req *subreq);
245 static struct tevent_req *read_ldap_send(TALLOC_CTX *mem_ctx,
246 struct tevent_context *ev,
247 struct tstream_context *conn)
249 struct tevent_req *req, *subreq;
250 struct read_ldap_state *state;
252 req = tevent_req_create(mem_ctx, &state, struct read_ldap_state);
258 subreq = tstream_read_packet_send(state, ev, conn, 2, read_ldap_more,
260 if (tevent_req_nomem(subreq, req)) {
261 return tevent_req_post(req, ev);
263 tevent_req_set_callback(subreq, read_ldap_done, req);
267 static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data)
269 struct read_ldap_state *state = talloc_get_type_abort(
270 private_data, struct read_ldap_state);
275 /* We've been here, we're done */
280 * From ldap.h: LDAP_TAG_MESSAGE is 0x30
282 if (buf[0] != 0x30) {
287 if ((len & 0x80) == 0) {
292 lensize = (len & 0x7f);
296 /* Please get us the full length */
299 if (buflen > 2 + lensize) {
303 if (buflen != 2 + lensize) {
307 for (i=0; i<lensize; i++) {
308 len = (len << 8) | buf[2+i];
313 static void read_ldap_done(struct tevent_req *subreq)
315 struct tevent_req *req = tevent_req_callback_data(
316 subreq, struct tevent_req);
317 struct read_ldap_state *state = tevent_req_data(
318 req, struct read_ldap_state);
322 nread = tstream_read_packet_recv(subreq, state, &state->buf, &err);
325 tevent_req_error(req, err);
328 tevent_req_done(req);
331 static ssize_t read_ldap_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
332 uint8_t **pbuf, int *perrno)
334 struct read_ldap_state *state = tevent_req_data(
335 req, struct read_ldap_state);
337 if (tevent_req_is_unix_error(req, perrno)) {
340 *pbuf = talloc_move(mem_ctx, &state->buf);
341 return talloc_get_size(*pbuf);
344 struct tldap_msg_state {
345 struct tldap_context *ld;
346 struct tevent_context *ev;
350 struct asn1_data *data;
354 static void tldap_push_controls(struct asn1_data *data,
355 struct tldap_control *sctrls,
360 if ((sctrls == NULL) || (num_sctrls == 0)) {
364 asn1_push_tag(data, ASN1_CONTEXT(0));
366 for (i=0; i<num_sctrls; i++) {
367 struct tldap_control *c = &sctrls[i];
368 asn1_push_tag(data, ASN1_SEQUENCE(0));
369 asn1_write_OctetString(data, c->oid, strlen(c->oid));
371 asn1_write_BOOLEAN(data, true);
373 if (c->value.data != NULL) {
374 asn1_write_OctetString(data, c->value.data,
377 asn1_pop_tag(data); /* ASN1_SEQUENCE(0) */
380 asn1_pop_tag(data); /* ASN1_CONTEXT(0) */
383 static void tldap_msg_sent(struct tevent_req *subreq);
384 static void tldap_msg_received(struct tevent_req *subreq);
386 static struct tevent_req *tldap_msg_send(TALLOC_CTX *mem_ctx,
387 struct tevent_context *ev,
388 struct tldap_context *ld,
389 int id, struct asn1_data *data,
390 struct tldap_control *sctrls,
393 struct tevent_req *req, *subreq;
394 struct tldap_msg_state *state;
397 tldap_debug(ld, TLDAP_DEBUG_TRACE, "tldap_msg_send: sending msg %d\n",
400 req = tevent_req_create(mem_ctx, &state, struct tldap_msg_state);
408 if (state->ld->server_down) {
409 tevent_req_error(req, TLDAP_SERVER_DOWN);
410 return tevent_req_post(req, ev);
413 tldap_push_controls(data, sctrls, num_sctrls);
417 if (!asn1_blob(data, &blob)) {
418 tevent_req_error(req, TLDAP_ENCODING_ERROR);
419 return tevent_req_post(req, ev);
422 state->iov.iov_base = (void *)blob.data;
423 state->iov.iov_len = blob.length;
425 subreq = tstream_writev_queue_send(state, ev, ld->conn, ld->outgoing,
427 if (tevent_req_nomem(subreq, req)) {
428 return tevent_req_post(req, ev);
430 tevent_req_set_callback(subreq, tldap_msg_sent, req);
434 static void tldap_msg_unset_pending(struct tevent_req *req)
436 struct tldap_msg_state *state = tevent_req_data(
437 req, struct tldap_msg_state);
438 struct tldap_context *ld = state->ld;
439 int num_pending = talloc_array_length(ld->pending);
442 if (num_pending == 1) {
443 TALLOC_FREE(ld->pending);
447 for (i=0; i<num_pending; i++) {
448 if (req == ld->pending[i]) {
452 if (i == num_pending) {
454 * Something's seriously broken. Just returning here is the
455 * right thing nevertheless, the point of this routine is to
456 * remove ourselves from cli->pending.
462 * Remove ourselves from the cli->pending array
464 if (num_pending > 1) {
465 ld->pending[i] = ld->pending[num_pending-1];
469 * No NULL check here, we're shrinking by sizeof(void *), and
470 * talloc_realloc just adjusts the size for this.
472 ld->pending = talloc_realloc(NULL, ld->pending, struct tevent_req *,
477 static int tldap_msg_destructor(struct tevent_req *req)
479 tldap_msg_unset_pending(req);
483 static bool tldap_msg_set_pending(struct tevent_req *req)
485 struct tldap_msg_state *state = tevent_req_data(
486 req, struct tldap_msg_state);
487 struct tldap_context *ld;
488 struct tevent_req **pending;
490 struct tevent_req *subreq;
493 num_pending = talloc_array_length(ld->pending);
495 pending = talloc_realloc(ld, ld->pending, struct tevent_req *,
497 if (pending == NULL) {
500 pending[num_pending] = req;
501 ld->pending = pending;
502 talloc_set_destructor(req, tldap_msg_destructor);
504 if (num_pending > 0) {
509 * We're the first one, add the read_ldap request that waits for the
510 * answer from the server
512 subreq = read_ldap_send(ld->pending, state->ev, ld->conn);
513 if (subreq == NULL) {
514 tldap_msg_unset_pending(req);
517 tevent_req_set_callback(subreq, tldap_msg_received, ld);
521 static void tldap_msg_sent(struct tevent_req *subreq)
523 struct tevent_req *req = tevent_req_callback_data(
524 subreq, struct tevent_req);
525 struct tldap_msg_state *state = tevent_req_data(
526 req, struct tldap_msg_state);
530 nwritten = tstream_writev_queue_recv(subreq, &err);
532 if (nwritten == -1) {
533 state->ld->server_down = true;
534 tevent_req_error(req, TLDAP_SERVER_DOWN);
538 if (!tldap_msg_set_pending(req)) {
539 tevent_req_nomem(NULL, req);
544 static int tldap_msg_msgid(struct tevent_req *req)
546 struct tldap_msg_state *state = tevent_req_data(
547 req, struct tldap_msg_state);
552 static void tldap_msg_received(struct tevent_req *subreq)
554 struct tldap_context *ld = tevent_req_callback_data(
555 subreq, struct tldap_context);
556 struct tevent_req *req;
557 struct tldap_msg_state *state;
558 struct tevent_context *ev;
559 struct asn1_data *data;
568 received = read_ldap_recv(subreq, talloc_tos(), &inbuf, &err);
570 if (received == -1) {
571 status = TLDAP_SERVER_DOWN;
575 data = asn1_init(talloc_tos());
577 status = TLDAP_NO_MEMORY;
580 asn1_load_nocopy(data, inbuf, received);
583 ok &= asn1_start_tag(data, ASN1_SEQUENCE(0));
584 ok &= asn1_read_Integer(data, &id);
585 ok &= asn1_peek_uint8(data, &type);
588 status = TLDAP_PROTOCOL_ERROR;
592 tldap_debug(ld, TLDAP_DEBUG_TRACE, "tldap_msg_received: got msg %d "
593 "type %d\n", id, (int)type);
595 num_pending = talloc_array_length(ld->pending);
597 for (i=0; i<num_pending; i++) {
598 if (id == tldap_msg_msgid(ld->pending[i])) {
602 if (i == num_pending) {
603 /* Dump unexpected reply */
604 tldap_debug(ld, TLDAP_DEBUG_WARNING, "tldap_msg_received: "
605 "No request pending for msg %d\n", id);
611 req = ld->pending[i];
612 state = tevent_req_data(req, struct tldap_msg_state);
614 state->inbuf = talloc_move(state, &inbuf);
615 state->data = talloc_move(state, &data);
619 talloc_set_destructor(req, NULL);
620 tldap_msg_unset_pending(req);
621 num_pending = talloc_array_length(ld->pending);
623 tevent_req_done(req);
626 if (num_pending == 0) {
629 if (talloc_array_length(ld->pending) > num_pending) {
631 * The callback functions called from tevent_req_done() above
632 * have put something on the pending queue. We don't have to
633 * trigger the read_ldap_send(), tldap_msg_set_pending() has
634 * done it for us already.
639 state = tevent_req_data(ld->pending[0], struct tldap_msg_state);
640 subreq = read_ldap_send(ld->pending, state->ev, ld->conn);
641 if (subreq == NULL) {
642 status = TLDAP_NO_MEMORY;
645 tevent_req_set_callback(subreq, tldap_msg_received, ld);
649 while (talloc_array_length(ld->pending) > 0) {
650 req = ld->pending[0];
651 talloc_set_destructor(req, NULL);
652 tldap_msg_destructor(req);
653 tevent_req_error(req, status);
657 static int tldap_msg_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
658 struct tldap_message **pmsg)
660 struct tldap_msg_state *state = tevent_req_data(
661 req, struct tldap_msg_state);
662 struct tldap_message *msg;
666 if (tevent_req_is_ldap_error(req, &err)) {
670 if (!asn1_peek_uint8(state->data, &msgtype)) {
671 return TLDAP_PROTOCOL_ERROR;
675 return TLDAP_SUCCESS;
678 msg = talloc_zero(mem_ctx, struct tldap_message);
680 return TLDAP_NO_MEMORY;
684 msg->inbuf = talloc_move(msg, &state->inbuf);
685 msg->data = talloc_move(msg, &state->data);
689 return TLDAP_SUCCESS;
692 struct tldap_req_state {
694 struct asn1_data *out;
695 struct tldap_message *result;
698 static struct tevent_req *tldap_req_create(TALLOC_CTX *mem_ctx,
699 struct tldap_context *ld,
700 struct tldap_req_state **pstate)
702 struct tevent_req *req;
703 struct tldap_req_state *state;
705 req = tevent_req_create(mem_ctx, &state, struct tldap_req_state);
710 state->out = asn1_init(state);
711 if (state->out == NULL) {
715 state->result = NULL;
716 state->id = tldap_next_msgid(ld);
718 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
719 asn1_write_Integer(state->out, state->id);
725 static void tldap_save_msg(struct tldap_context *ld, struct tevent_req *req)
727 struct tldap_req_state *state = tevent_req_data(
728 req, struct tldap_req_state);
730 TALLOC_FREE(ld->last_msg);
731 ld->last_msg = talloc_move(ld, &state->result);
734 static char *blob2string_talloc(TALLOC_CTX *mem_ctx, DATA_BLOB blob)
736 char *result = talloc_array(mem_ctx, char, blob.length+1);
737 memcpy(result, blob.data, blob.length);
738 result[blob.length] = '\0';
742 static bool asn1_read_OctetString_talloc(TALLOC_CTX *mem_ctx,
743 struct asn1_data *data,
747 if (!asn1_read_OctetString(data, mem_ctx, &string))
749 *result = blob2string_talloc(mem_ctx, string);
750 data_blob_free(&string);
754 static bool tldap_decode_controls(struct tldap_req_state *state);
756 static bool tldap_decode_response(struct tldap_req_state *state)
758 struct asn1_data *data = state->result->data;
759 struct tldap_message *msg = state->result;
762 ok &= asn1_read_enumerated(data, &msg->lderr);
763 ok &= asn1_read_OctetString_talloc(msg, data, &msg->res_matcheddn);
764 ok &= asn1_read_OctetString_talloc(msg, data,
765 &msg->res_diagnosticmessage);
766 if (asn1_peek_tag(data, ASN1_CONTEXT(3))) {
767 ok &= asn1_start_tag(data, ASN1_CONTEXT(3));
768 ok &= asn1_read_OctetString_talloc(msg, data,
770 ok &= asn1_end_tag(data);
772 msg->res_referral = NULL;
778 static void tldap_sasl_bind_done(struct tevent_req *subreq);
780 struct tevent_req *tldap_sasl_bind_send(TALLOC_CTX *mem_ctx,
781 struct tevent_context *ev,
782 struct tldap_context *ld,
784 const char *mechanism,
786 struct tldap_control *sctrls,
788 struct tldap_control *cctrls,
791 struct tevent_req *req, *subreq;
792 struct tldap_req_state *state;
794 req = tldap_req_create(mem_ctx, ld, &state);
803 asn1_push_tag(state->out, TLDAP_REQ_BIND);
804 asn1_write_Integer(state->out, ld->ld_version);
805 asn1_write_OctetString(state->out, dn, (dn != NULL) ? strlen(dn) : 0);
807 if (mechanism == NULL) {
808 asn1_push_tag(state->out, ASN1_CONTEXT_SIMPLE(0));
809 asn1_write(state->out, creds->data, creds->length);
810 asn1_pop_tag(state->out);
812 asn1_push_tag(state->out, ASN1_CONTEXT(3));
813 asn1_write_OctetString(state->out, mechanism,
815 if ((creds != NULL) && (creds->data != NULL)) {
816 asn1_write_OctetString(state->out, creds->data,
819 asn1_pop_tag(state->out);
822 if (!asn1_pop_tag(state->out)) {
823 tevent_req_error(req, TLDAP_ENCODING_ERROR);
824 return tevent_req_post(req, ev);
827 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
829 if (tevent_req_nomem(subreq, req)) {
830 return tevent_req_post(req, ev);
832 tevent_req_set_callback(subreq, tldap_sasl_bind_done, req);
836 static void tldap_sasl_bind_done(struct tevent_req *subreq)
838 struct tevent_req *req = tevent_req_callback_data(
839 subreq, struct tevent_req);
840 struct tldap_req_state *state = tevent_req_data(
841 req, struct tldap_req_state);
844 err = tldap_msg_recv(subreq, state, &state->result);
846 if (err != TLDAP_SUCCESS) {
847 tevent_req_error(req, err);
850 if (state->result->type != TLDAP_RES_BIND) {
851 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
854 if (!asn1_start_tag(state->result->data, state->result->type) ||
855 !tldap_decode_response(state) ||
856 !asn1_end_tag(state->result->data)) {
857 tevent_req_error(req, TLDAP_DECODING_ERROR);
861 * TODO: pull the reply blob
863 if (state->result->lderr != TLDAP_SUCCESS) {
864 tevent_req_error(req, state->result->lderr);
867 tevent_req_done(req);
870 int tldap_sasl_bind_recv(struct tevent_req *req)
874 if (tevent_req_is_ldap_error(req, &err)) {
877 return TLDAP_SUCCESS;
880 int tldap_sasl_bind(struct tldap_context *ld,
882 const char *mechanism,
884 struct tldap_control *sctrls,
886 struct tldap_control *cctrls,
889 TALLOC_CTX *frame = talloc_stackframe();
890 struct tevent_context *ev;
891 struct tevent_req *req;
894 ev = event_context_init(frame);
896 result = TLDAP_NO_MEMORY;
900 req = tldap_sasl_bind_send(frame, ev, ld, dn, mechanism, creds,
901 sctrls, num_sctrls, cctrls, num_cctrls);
903 result = TLDAP_NO_MEMORY;
907 if (!tevent_req_poll(req, ev)) {
908 result = TLDAP_OPERATIONS_ERROR;
912 result = tldap_sasl_bind_recv(req);
913 tldap_save_msg(ld, req);
919 struct tevent_req *tldap_simple_bind_send(TALLOC_CTX *mem_ctx,
920 struct tevent_context *ev,
921 struct tldap_context *ld,
927 if (passwd != NULL) {
928 cred.data = (uint8_t *)passwd;
929 cred.length = strlen(passwd);
931 cred.data = (uint8_t *)"";
934 return tldap_sasl_bind_send(mem_ctx, ev, ld, dn, NULL, &cred, NULL, 0,
938 int tldap_simple_bind_recv(struct tevent_req *req)
940 return tldap_sasl_bind_recv(req);
943 int tldap_simple_bind(struct tldap_context *ld, const char *dn,
948 if (passwd != NULL) {
949 cred.data = (uint8_t *)passwd;
950 cred.length = strlen(passwd);
952 cred.data = (uint8_t *)"";
955 return tldap_sasl_bind(ld, dn, NULL, &cred, NULL, 0, NULL, 0);
958 /*****************************************************************************/
960 /* can't use isalpha() as only a strict set is valid for LDAP */
962 static bool tldap_is_alpha(char c)
964 return (((c >= 'a') && (c <= 'z')) || \
965 ((c >= 'A') && (c <= 'Z')));
968 static bool tldap_is_adh(char c)
970 return tldap_is_alpha(c) || isdigit(c) || (c == '-');
973 #define TLDAP_FILTER_AND ASN1_CONTEXT(0)
974 #define TLDAP_FILTER_OR ASN1_CONTEXT(1)
975 #define TLDAP_FILTER_NOT ASN1_CONTEXT(2)
976 #define TLDAP_FILTER_EQ ASN1_CONTEXT(3)
977 #define TLDAP_FILTER_SUB ASN1_CONTEXT(4)
978 #define TLDAP_FILTER_LE ASN1_CONTEXT(5)
979 #define TLDAP_FILTER_GE ASN1_CONTEXT(6)
980 #define TLDAP_FILTER_PRES ASN1_CONTEXT_SIMPLE(7)
981 #define TLDAP_FILTER_APX ASN1_CONTEXT(8)
982 #define TLDAP_FILTER_EXT ASN1_CONTEXT(9)
984 #define TLDAP_SUB_INI ASN1_CONTEXT_SIMPLE(0)
985 #define TLDAP_SUB_ANY ASN1_CONTEXT_SIMPLE(1)
986 #define TLDAP_SUB_FIN ASN1_CONTEXT_SIMPLE(2)
989 /* oid's should be numerical only in theory,
990 * but apparently some broken servers may have alphanum aliases instead.
991 * Do like openldap libraries and allow alphanum aliases for oids, but
992 * do not allow Tagging options in that case.
994 static bool tldap_is_attrdesc(const char *s, int len, bool no_tagopts)
1000 /* first char has stricter rules */
1003 } else if (!tldap_is_alpha(*s)) {
1004 /* bad first char */
1008 for (i = 1; i < len; i++) {
1011 if (isdigit(s[i])) {
1024 if (tldap_is_adh(s[i])) {
1031 /* no tagging options */
1038 if ((i + 1) == len) {
1056 /* this function copies the value until the closing parenthesis is found. */
1057 static char *tldap_get_val(TALLOC_CTX *memctx,
1058 const char *value, const char **_s)
1060 const char *s = value;
1062 /* find terminator */
1065 if (s && (*(s - 1) == '\\')) {
1070 if (!s || !(*s == ')')) {
1071 /* malformed filter */
1077 return talloc_strndup(memctx, value, s - value);
1080 static int tldap_hex2char(const char *x)
1082 if (isxdigit(x[0]) && isxdigit(x[1])) {
1083 const char h1 = x[0], h2 = x[1];
1086 if (h1 >= 'a') c = h1 - (int)'a' + 10;
1087 else if (h1 >= 'A') c = h1 - (int)'A' + 10;
1088 else if (h1 >= '0') c = h1 - (int)'0';
1090 if (h2 >= 'a') c += h2 - (int)'a' + 10;
1091 else if (h2 >= 'A') c += h2 - (int)'A' + 10;
1092 else if (h2 >= '0') c += h2 - (int)'0';
1100 static bool tldap_find_first_star(const char *val, const char **star)
1104 for (s = val; *s; s++) {
1107 if (isxdigit(s[1]) && isxdigit(s[2])) {
1111 /* not hex based escape, check older syntax */
1120 /* invalid escape sequence */
1125 /* end of val, nothing found */
1135 /* string ended without closing parenthesis, filter is malformed */
1139 static bool tldap_unescape_inplace(char *value, size_t *val_len)
1143 for (i = 0,p = 0; i < *val_len; i++) {
1149 /* these must be escaped */
1153 if (!value[i + 1]) {
1159 c = tldap_hex2char(&value[i]);
1160 if (c >= 0 && c < 256) {
1172 value[p] = value[i];
1181 value[p] = value[i];
1190 static bool tldap_push_filter_basic(struct tldap_context *ld,
1191 struct asn1_data *data,
1193 static bool tldap_push_filter_substring(struct tldap_context *ld,
1194 struct asn1_data *data,
1197 static bool tldap_push_filter_int(struct tldap_context *ld,
1198 struct asn1_data *data,
1201 const char *s = *_s;
1205 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1206 "Incomplete or malformed filter\n");
1211 /* we are right after a parenthesis,
1212 * find out what op we have at hand */
1215 tldap_debug(ld, TLDAP_DEBUG_TRACE, "Filter op: AND\n");
1216 asn1_push_tag(data, TLDAP_FILTER_AND);
1221 tldap_debug(ld, TLDAP_DEBUG_TRACE, "Filter op: OR\n");
1222 asn1_push_tag(data, TLDAP_FILTER_OR);
1227 tldap_debug(ld, TLDAP_DEBUG_TRACE, "Filter op: NOT\n");
1228 asn1_push_tag(data, TLDAP_FILTER_NOT);
1230 ret = tldap_push_filter_int(ld, data, &s);
1239 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1240 "Invalid parenthesis '%c'\n", *s);
1244 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1245 "Invalid filter termination\n");
1249 ret = tldap_push_filter_basic(ld, data, &s);
1256 /* only and/or filters get here.
1257 * go through the list of filters */
1260 /* RFC 4526: empty and/or */
1266 ret = tldap_push_filter_int(ld, data, &s);
1272 /* end of list, return */
1280 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1281 "Incomplete or malformed filter\n");
1286 if (data->has_error) {
1295 static bool tldap_push_filter_basic(struct tldap_context *ld,
1296 struct asn1_data *data,
1299 TALLOC_CTX *tmpctx = talloc_tos();
1300 const char *s = *_s;
1308 size_t type_len = 0;
1311 bool write_octect = true;
1314 eq = strchr(s, '=');
1316 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1317 "Invalid filter, missing equal sign\n");
1326 asn1_push_tag(data, TLDAP_FILTER_LE);
1330 asn1_push_tag(data, TLDAP_FILTER_GE);
1334 asn1_push_tag(data, TLDAP_FILTER_APX);
1338 asn1_push_tag(data, TLDAP_FILTER_EXT);
1339 write_octect = false;
1345 if (*s == ':') { /* [:dn]:rule:= value */
1347 /* malformed filter */
1351 } else { /* type[:dn][:rule]:= value */
1353 dn = strchr(s, ':');
1354 type_len = dn - type;
1355 if (dn == e) { /* type:= value */
1362 rule = strchr(dn, ':');
1363 if ((rule == dn + 1) || rule + 1 == e) {
1364 /* malformed filter, contains "::" */
1368 if (StrnCaseCmp(dn, "dn:", 3) != 0) {
1373 /* malformed filter. With two
1374 * optionals, the first must be "dn"
1387 if (!type && !dn && !rule) {
1388 /* malformed filter, there must be at least one */
1393 MatchingRuleAssertion ::= SEQUENCE {
1394 matchingRule [1] MatchingRuleID OPTIONAL,
1395 type [2] AttributeDescription OPTIONAL,
1396 matchValue [3] AssertionValue,
1397 dnAttributes [4] BOOLEAN DEFAULT FALSE
1401 /* check and add rule */
1403 ret = tldap_is_attrdesc(rule, e - rule, true);
1407 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(1));
1408 asn1_write(data, rule, e - rule);
1412 /* check and add type */
1414 ret = tldap_is_attrdesc(type, type_len, false);
1418 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(2));
1419 asn1_write(data, type, type_len);
1423 uval = tldap_get_val(tmpctx, val, _s);
1427 uval_len = *_s - val;
1428 ret = tldap_unescape_inplace(uval, &uval_len);
1433 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(3));
1434 asn1_write(data, uval, uval_len);
1437 asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(4));
1438 asn1_write_uint8(data, dn?1:0);
1445 ret = tldap_is_attrdesc(s, e - s, false);
1450 if (strncmp(val, "*)", 2) == 0) {
1452 asn1_push_tag(data, TLDAP_FILTER_PRES);
1453 asn1_write(data, s, e - s);
1455 write_octect = false;
1459 ret = tldap_find_first_star(val, &star);
1465 asn1_push_tag(data, TLDAP_FILTER_SUB);
1466 asn1_write_OctetString(data, s, e - s);
1467 ret = tldap_push_filter_substring(ld, data, val, &s);
1472 write_octect = false;
1476 /* if nothing else, then it is just equality */
1477 asn1_push_tag(data, TLDAP_FILTER_EQ);
1478 write_octect = true;
1483 uval = tldap_get_val(tmpctx, val, _s);
1487 uval_len = *_s - val;
1488 ret = tldap_unescape_inplace(uval, &uval_len);
1493 asn1_write_OctetString(data, s, e - s);
1494 asn1_write_OctetString(data, uval, uval_len);
1497 if (data->has_error) {
1504 static bool tldap_push_filter_substring(struct tldap_context *ld,
1505 struct asn1_data *data,
1509 TALLOC_CTX *tmpctx = talloc_tos();
1510 bool initial = true;
1517 SubstringFilter ::= SEQUENCE {
1518 type AttributeDescription,
1519 -- at least one must be present
1520 substrings SEQUENCE OF CHOICE {
1521 initial [0] LDAPString,
1523 final [2] LDAPString } }
1525 asn1_push_tag(data, ASN1_SEQUENCE(0));
1528 ret = tldap_find_first_star(val, &star);
1532 chunk_len = star - val;
1536 if (!initial && chunk_len == 0) {
1537 /* found '**', which is illegal */
1553 if (initial && chunk_len == 0) {
1559 chunk = talloc_strndup(tmpctx, val, chunk_len);
1563 ret = tldap_unescape_inplace(chunk, &chunk_len);
1570 asn1_push_tag(data, TLDAP_SUB_INI);
1573 asn1_push_tag(data, TLDAP_SUB_ANY);
1577 asn1_push_tag(data, TLDAP_SUB_FIN);
1583 asn1_write(data, chunk, chunk_len);
1588 } while (*star == '*');
1592 /* end of sequence */
1597 /* NOTE: although openldap libraries allow for spaces in some places, mosly
1598 * around parenthesis, we do not allow any spaces (except in values of
1599 * course) as I couldn't fine any place in RFC 4512 or RFC 4515 where
1600 * leading or trailing spaces where allowed.
1602 static bool tldap_push_filter(struct tldap_context *ld,
1603 struct asn1_data *data,
1606 const char *s = filter;
1609 ret = tldap_push_filter_int(ld, data, &s);
1611 tldap_debug(ld, TLDAP_DEBUG_ERROR,
1612 "Incomplete or malformed filter\n");
1618 /*****************************************************************************/
1620 static void tldap_search_done(struct tevent_req *subreq);
1622 struct tevent_req *tldap_search_send(TALLOC_CTX *mem_ctx,
1623 struct tevent_context *ev,
1624 struct tldap_context *ld,
1625 const char *base, int scope,
1630 struct tldap_control *sctrls,
1632 struct tldap_control *cctrls,
1638 struct tevent_req *req, *subreq;
1639 struct tldap_req_state *state;
1642 req = tldap_req_create(mem_ctx, ld, &state);
1647 asn1_push_tag(state->out, TLDAP_REQ_SEARCH);
1648 asn1_write_OctetString(state->out, base, strlen(base));
1649 asn1_write_enumerated(state->out, scope);
1650 asn1_write_enumerated(state->out, deref);
1651 asn1_write_Integer(state->out, sizelimit);
1652 asn1_write_Integer(state->out, timelimit);
1653 asn1_write_BOOLEAN(state->out, attrsonly);
1655 if (!tldap_push_filter(ld, state->out, filter)) {
1656 goto encoding_error;
1659 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
1660 for (i=0; i<num_attrs; i++) {
1661 asn1_write_OctetString(state->out, attrs[i], strlen(attrs[i]));
1663 asn1_pop_tag(state->out);
1664 asn1_pop_tag(state->out);
1666 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
1667 sctrls, num_sctrls);
1668 if (tevent_req_nomem(subreq, req)) {
1669 return tevent_req_post(req, ev);
1671 tevent_req_set_callback(subreq, tldap_search_done, req);
1675 tevent_req_error(req, TLDAP_ENCODING_ERROR);
1676 return tevent_req_post(req, ev);
1679 static void tldap_search_done(struct tevent_req *subreq)
1681 struct tevent_req *req = tevent_req_callback_data(
1682 subreq, struct tevent_req);
1683 struct tldap_req_state *state = tevent_req_data(
1684 req, struct tldap_req_state);
1687 err = tldap_msg_recv(subreq, state, &state->result);
1688 if (err != TLDAP_SUCCESS) {
1689 tevent_req_error(req, err);
1692 switch (state->result->type) {
1693 case TLDAP_RES_SEARCH_ENTRY:
1694 case TLDAP_RES_SEARCH_REFERENCE:
1695 tevent_req_notify_callback(req);
1696 if (!tldap_msg_set_pending(subreq)) {
1697 tevent_req_nomem(NULL, req);
1701 case TLDAP_RES_SEARCH_RESULT:
1702 TALLOC_FREE(subreq);
1703 if (!asn1_start_tag(state->result->data,
1704 state->result->type) ||
1705 !tldap_decode_response(state) ||
1706 !asn1_end_tag(state->result->data) ||
1707 !tldap_decode_controls(state)) {
1708 tevent_req_error(req, TLDAP_DECODING_ERROR);
1711 tevent_req_done(req);
1714 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
1719 int tldap_search_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
1720 struct tldap_message **pmsg)
1722 struct tldap_req_state *state = tevent_req_data(
1723 req, struct tldap_req_state);
1726 if (!tevent_req_is_in_progress(req)
1727 && tevent_req_is_ldap_error(req, &err)) {
1731 if (tevent_req_is_in_progress(req)) {
1732 switch (state->result->type) {
1733 case TLDAP_RES_SEARCH_ENTRY:
1734 case TLDAP_RES_SEARCH_REFERENCE:
1737 return TLDAP_OPERATIONS_ERROR;
1741 *pmsg = talloc_move(mem_ctx, &state->result);
1742 return TLDAP_SUCCESS;
1745 struct tldap_sync_search_state {
1746 TALLOC_CTX *mem_ctx;
1747 struct tldap_message **entries;
1748 struct tldap_message **refs;
1752 static void tldap_search_cb(struct tevent_req *req)
1754 struct tldap_sync_search_state *state =
1755 (struct tldap_sync_search_state *)
1756 tevent_req_callback_data_void(req);
1757 struct tldap_message *msg, **tmp;
1758 int rc, num_entries, num_refs;
1760 rc = tldap_search_recv(req, talloc_tos(), &msg);
1761 if (rc != TLDAP_SUCCESS) {
1766 switch (tldap_msg_type(msg)) {
1767 case TLDAP_RES_SEARCH_ENTRY:
1768 num_entries = talloc_array_length(state->entries);
1769 tmp = talloc_realloc(state->mem_ctx, state->entries,
1770 struct tldap_message *, num_entries + 1);
1772 state->rc = TLDAP_NO_MEMORY;
1775 state->entries = tmp;
1776 state->entries[num_entries] = talloc_move(state->entries,
1779 case TLDAP_RES_SEARCH_REFERENCE:
1780 num_refs = talloc_array_length(state->refs);
1781 tmp = talloc_realloc(state->mem_ctx, state->refs,
1782 struct tldap_message *, num_refs + 1);
1784 state->rc = TLDAP_NO_MEMORY;
1788 state->refs[num_refs] = talloc_move(state->refs, &msg);
1790 case TLDAP_RES_SEARCH_RESULT:
1791 state->rc = TLDAP_SUCCESS;
1794 state->rc = TLDAP_PROTOCOL_ERROR;
1799 int tldap_search(struct tldap_context *ld,
1800 const char *base, int scope, const char *filter,
1801 const char **attrs, int num_attrs, int attrsonly,
1802 struct tldap_control *sctrls, int num_sctrls,
1803 struct tldap_control *cctrls, int num_cctrls,
1804 int timelimit, int sizelimit, int deref,
1805 TALLOC_CTX *mem_ctx, struct tldap_message ***entries,
1806 struct tldap_message ***refs)
1808 TALLOC_CTX *frame = talloc_stackframe();
1809 struct tevent_context *ev;
1810 struct tevent_req *req;
1811 struct tldap_sync_search_state state;
1814 state.mem_ctx = mem_ctx;
1815 state.rc = TLDAP_SUCCESS;
1817 ev = event_context_init(frame);
1819 state.rc = TLDAP_NO_MEMORY;
1823 req = tldap_search_send(frame, ev, ld, base, scope, filter,
1824 attrs, num_attrs, attrsonly,
1825 sctrls, num_sctrls, cctrls, num_cctrls,
1826 timelimit, sizelimit, deref);
1828 state.rc = TLDAP_NO_MEMORY;
1832 tevent_req_set_callback(req, tldap_search_cb, &state);
1834 if (!tevent_req_is_in_progress(req)) {
1835 /* an error happend before sending */
1836 if (tevent_req_is_ldap_error(req, &state.rc)) {
1841 while (tevent_req_is_in_progress(req)
1842 && (state.rc == TLDAP_SUCCESS)) {
1843 if (tevent_loop_once(ev) == -1) {
1844 return TLDAP_OPERATIONS_ERROR;
1848 if (state.rc != TLDAP_SUCCESS) {
1852 if (entries != NULL) {
1853 *entries = state.entries;
1855 TALLOC_FREE(state.entries);
1860 TALLOC_FREE(state.refs);
1862 tldap_save_msg(ld, req);
1868 static bool tldap_parse_search_entry(struct tldap_message *msg)
1870 int num_attribs = 0;
1872 asn1_start_tag(msg->data, msg->type);
1876 asn1_read_OctetString_talloc(msg, msg->data, &msg->dn);
1877 if (msg->dn == NULL) {
1882 * Attributes: We overallocate msg->attribs by one, so that while
1883 * looping over the attributes we can directly parse into the last
1884 * array element. Same for the values in the inner loop.
1887 msg->attribs = talloc_array(msg, struct tldap_attribute, 1);
1888 if (msg->attribs == NULL) {
1892 asn1_start_tag(msg->data, ASN1_SEQUENCE(0));
1893 while (asn1_peek_tag(msg->data, ASN1_SEQUENCE(0))) {
1894 struct tldap_attribute *attrib;
1897 attrib = &msg->attribs[num_attribs];
1898 attrib->values = talloc_array(msg->attribs, DATA_BLOB, 1);
1899 if (attrib->values == NULL) {
1902 asn1_start_tag(msg->data, ASN1_SEQUENCE(0));
1903 asn1_read_OctetString_talloc(msg->attribs, msg->data,
1905 asn1_start_tag(msg->data, ASN1_SET);
1907 while (asn1_peek_tag(msg->data, ASN1_OCTET_STRING)) {
1908 asn1_read_OctetString(msg->data, msg,
1909 &attrib->values[num_values]);
1911 attrib->values = talloc_realloc(
1912 msg->attribs, attrib->values, DATA_BLOB,
1914 if (attrib->values == NULL) {
1919 attrib->values = talloc_realloc(msg->attribs, attrib->values,
1920 DATA_BLOB, num_values);
1921 attrib->num_values = num_values;
1923 asn1_end_tag(msg->data); /* ASN1_SET */
1924 asn1_end_tag(msg->data); /* ASN1_SEQUENCE(0) */
1925 msg->attribs = talloc_realloc(
1926 msg, msg->attribs, struct tldap_attribute,
1928 if (msg->attribs == NULL) {
1933 msg->attribs = talloc_realloc(
1934 msg, msg->attribs, struct tldap_attribute, num_attribs);
1935 asn1_end_tag(msg->data);
1936 if (msg->data->has_error) {
1942 bool tldap_entry_dn(struct tldap_message *msg, char **dn)
1944 if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
1951 bool tldap_entry_attributes(struct tldap_message *msg, int *num_attributes,
1952 struct tldap_attribute **attributes)
1954 if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
1957 *attributes = msg->attribs;
1958 *num_attributes = talloc_array_length(msg->attribs);
1962 static bool tldap_decode_controls(struct tldap_req_state *state)
1964 struct tldap_message *msg = state->result;
1965 struct asn1_data *data = msg->data;
1966 struct tldap_control *sctrls = NULL;
1967 int num_controls = 0;
1969 msg->res_sctrls = NULL;
1971 if (!asn1_peek_tag(data, ASN1_CONTEXT(0))) {
1975 asn1_start_tag(data, ASN1_CONTEXT(0));
1977 while (asn1_peek_tag(data, ASN1_SEQUENCE(0))) {
1978 struct tldap_control *c;
1981 sctrls = talloc_realloc(msg, sctrls, struct tldap_control,
1983 if (sctrls == NULL) {
1986 c = &sctrls[num_controls];
1988 asn1_start_tag(data, ASN1_SEQUENCE(0));
1989 asn1_read_OctetString_talloc(msg, data, &oid);
1990 if ((data->has_error) || (oid == NULL)) {
1994 if (asn1_peek_tag(data, ASN1_BOOLEAN)) {
1995 asn1_read_BOOLEAN(data, &c->critical);
1997 c->critical = false;
1999 c->value = data_blob_null;
2000 if (asn1_peek_tag(data, ASN1_OCTET_STRING) &&
2001 !asn1_read_OctetString(data, msg, &c->value)) {
2004 asn1_end_tag(data); /* ASN1_SEQUENCE(0) */
2009 asn1_end_tag(data); /* ASN1_CONTEXT(0) */
2011 if (data->has_error) {
2012 TALLOC_FREE(sctrls);
2015 msg->res_sctrls = sctrls;
2019 static void tldap_simple_done(struct tevent_req *subreq, int type)
2021 struct tevent_req *req = tevent_req_callback_data(
2022 subreq, struct tevent_req);
2023 struct tldap_req_state *state = tevent_req_data(
2024 req, struct tldap_req_state);
2027 err = tldap_msg_recv(subreq, state, &state->result);
2028 TALLOC_FREE(subreq);
2029 if (err != TLDAP_SUCCESS) {
2030 tevent_req_error(req, err);
2033 if (state->result->type != type) {
2034 tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
2037 if (!asn1_start_tag(state->result->data, state->result->type) ||
2038 !tldap_decode_response(state) ||
2039 !asn1_end_tag(state->result->data) ||
2040 !tldap_decode_controls(state)) {
2041 tevent_req_error(req, TLDAP_DECODING_ERROR);
2044 if (state->result->lderr != TLDAP_SUCCESS) {
2045 tevent_req_error(req, state->result->lderr);
2048 tevent_req_done(req);
2051 static int tldap_simple_recv(struct tevent_req *req)
2054 if (tevent_req_is_ldap_error(req, &err)) {
2057 return TLDAP_SUCCESS;
2060 static void tldap_add_done(struct tevent_req *subreq);
2062 struct tevent_req *tldap_add_send(TALLOC_CTX *mem_ctx,
2063 struct tevent_context *ev,
2064 struct tldap_context *ld,
2066 struct tldap_mod *attributes,
2068 struct tldap_control *sctrls,
2070 struct tldap_control *cctrls,
2073 struct tevent_req *req, *subreq;
2074 struct tldap_req_state *state;
2077 req = tldap_req_create(mem_ctx, ld, &state);
2082 asn1_push_tag(state->out, TLDAP_REQ_ADD);
2083 asn1_write_OctetString(state->out, dn, strlen(dn));
2084 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
2086 for (i=0; i<num_attributes; i++) {
2087 struct tldap_mod *attrib = &attributes[i];
2088 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
2089 asn1_write_OctetString(state->out, attrib->attribute,
2090 strlen(attrib->attribute));
2091 asn1_push_tag(state->out, ASN1_SET);
2092 for (j=0; j<attrib->num_values; j++) {
2093 asn1_write_OctetString(state->out,
2094 attrib->values[j].data,
2095 attrib->values[j].length);
2097 asn1_pop_tag(state->out);
2098 asn1_pop_tag(state->out);
2101 asn1_pop_tag(state->out);
2102 asn1_pop_tag(state->out);
2104 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
2105 sctrls, num_sctrls);
2106 if (tevent_req_nomem(subreq, req)) {
2107 return tevent_req_post(req, ev);
2109 tevent_req_set_callback(subreq, tldap_add_done, req);
2113 static void tldap_add_done(struct tevent_req *subreq)
2115 tldap_simple_done(subreq, TLDAP_RES_ADD);
2118 int tldap_add_recv(struct tevent_req *req)
2120 return tldap_simple_recv(req);
2123 int tldap_add(struct tldap_context *ld, const char *dn,
2124 struct tldap_mod *attributes, int num_attributes,
2125 struct tldap_control *sctrls, int num_sctrls,
2126 struct tldap_control *cctrls, int num_cctrls)
2128 TALLOC_CTX *frame = talloc_stackframe();
2129 struct tevent_context *ev;
2130 struct tevent_req *req;
2133 ev = event_context_init(frame);
2135 result = TLDAP_NO_MEMORY;
2139 req = tldap_add_send(frame, ev, ld, dn, attributes, num_attributes,
2140 sctrls, num_sctrls, cctrls, num_cctrls);
2142 result = TLDAP_NO_MEMORY;
2146 if (!tevent_req_poll(req, ev)) {
2147 result = TLDAP_OPERATIONS_ERROR;
2151 result = tldap_add_recv(req);
2152 tldap_save_msg(ld, req);
2158 static void tldap_modify_done(struct tevent_req *subreq);
2160 struct tevent_req *tldap_modify_send(TALLOC_CTX *mem_ctx,
2161 struct tevent_context *ev,
2162 struct tldap_context *ld,
2164 struct tldap_mod *mods, int num_mods,
2165 struct tldap_control *sctrls,
2167 struct tldap_control *cctrls,
2170 struct tevent_req *req, *subreq;
2171 struct tldap_req_state *state;
2174 req = tldap_req_create(mem_ctx, ld, &state);
2179 asn1_push_tag(state->out, TLDAP_REQ_MODIFY);
2180 asn1_write_OctetString(state->out, dn, strlen(dn));
2181 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
2183 for (i=0; i<num_mods; i++) {
2184 struct tldap_mod *mod = &mods[i];
2185 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
2186 asn1_write_enumerated(state->out, mod->mod_op),
2187 asn1_push_tag(state->out, ASN1_SEQUENCE(0));
2188 asn1_write_OctetString(state->out, mod->attribute,
2189 strlen(mod->attribute));
2190 asn1_push_tag(state->out, ASN1_SET);
2191 for (j=0; j<mod->num_values; j++) {
2192 asn1_write_OctetString(state->out,
2193 mod->values[j].data,
2194 mod->values[j].length);
2196 asn1_pop_tag(state->out);
2197 asn1_pop_tag(state->out);
2198 asn1_pop_tag(state->out);
2201 asn1_pop_tag(state->out);
2202 asn1_pop_tag(state->out);
2204 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
2205 sctrls, num_sctrls);
2206 if (tevent_req_nomem(subreq, req)) {
2207 return tevent_req_post(req, ev);
2209 tevent_req_set_callback(subreq, tldap_modify_done, req);
2213 static void tldap_modify_done(struct tevent_req *subreq)
2215 tldap_simple_done(subreq, TLDAP_RES_MODIFY);
2218 int tldap_modify_recv(struct tevent_req *req)
2220 return tldap_simple_recv(req);
2223 int tldap_modify(struct tldap_context *ld, const char *dn,
2224 struct tldap_mod *mods, int num_mods,
2225 struct tldap_control *sctrls, int num_sctrls,
2226 struct tldap_control *cctrls, int num_cctrls)
2228 TALLOC_CTX *frame = talloc_stackframe();
2229 struct tevent_context *ev;
2230 struct tevent_req *req;
2233 ev = event_context_init(frame);
2235 result = TLDAP_NO_MEMORY;
2239 req = tldap_modify_send(frame, ev, ld, dn, mods, num_mods,
2240 sctrls, num_sctrls, cctrls, num_cctrls);
2242 result = TLDAP_NO_MEMORY;
2246 if (!tevent_req_poll(req, ev)) {
2247 result = TLDAP_OPERATIONS_ERROR;
2251 result = tldap_modify_recv(req);
2252 tldap_save_msg(ld, req);
2258 static void tldap_delete_done(struct tevent_req *subreq);
2260 struct tevent_req *tldap_delete_send(TALLOC_CTX *mem_ctx,
2261 struct tevent_context *ev,
2262 struct tldap_context *ld,
2264 struct tldap_control *sctrls,
2266 struct tldap_control *cctrls,
2269 struct tevent_req *req, *subreq;
2270 struct tldap_req_state *state;
2272 req = tldap_req_create(mem_ctx, ld, &state);
2277 asn1_push_tag(state->out, TLDAP_REQ_DELETE);
2278 asn1_write(state->out, dn, strlen(dn));
2279 asn1_pop_tag(state->out);
2281 subreq = tldap_msg_send(state, ev, ld, state->id, state->out,
2282 sctrls, num_sctrls);
2283 if (tevent_req_nomem(subreq, req)) {
2284 return tevent_req_post(req, ev);
2286 tevent_req_set_callback(subreq, tldap_delete_done, req);
2290 static void tldap_delete_done(struct tevent_req *subreq)
2292 tldap_simple_done(subreq, TLDAP_RES_DELETE);
2295 int tldap_delete_recv(struct tevent_req *req)
2297 return tldap_simple_recv(req);
2300 int tldap_delete(struct tldap_context *ld, const char *dn,
2301 struct tldap_control *sctrls, int num_sctrls,
2302 struct tldap_control *cctrls, int num_cctrls)
2304 TALLOC_CTX *frame = talloc_stackframe();
2305 struct tevent_context *ev;
2306 struct tevent_req *req;
2309 ev = event_context_init(frame);
2311 result = TLDAP_NO_MEMORY;
2315 req = tldap_delete_send(frame, ev, ld, dn, sctrls, num_sctrls,
2316 cctrls, num_cctrls);
2318 result = TLDAP_NO_MEMORY;
2322 if (!tevent_req_poll(req, ev)) {
2323 result = TLDAP_OPERATIONS_ERROR;
2327 result = tldap_delete_recv(req);
2328 tldap_save_msg(ld, req);
2334 int tldap_msg_id(const struct tldap_message *msg)
2339 int tldap_msg_type(const struct tldap_message *msg)
2344 const char *tldap_msg_matcheddn(struct tldap_message *msg)
2349 return msg->res_matcheddn;
2352 const char *tldap_msg_diagnosticmessage(struct tldap_message *msg)
2357 return msg->res_diagnosticmessage;
2360 const char *tldap_msg_referral(struct tldap_message *msg)
2365 return msg->res_referral;
2368 void tldap_msg_sctrls(struct tldap_message *msg, int *num_sctrls,
2369 struct tldap_control **sctrls)
2376 *sctrls = msg->res_sctrls;
2377 *num_sctrls = talloc_array_length(msg->res_sctrls);
2380 struct tldap_message *tldap_ctx_lastmsg(struct tldap_context *ld)
2382 return ld->last_msg;
2385 const char *tldap_err2string(int rc)
2387 const char *res = NULL;
2390 * This would normally be a table, but the error codes are not fully
2391 * sequential. Let the compiler figure out the optimum implementation
2397 res = "TLDAP_SUCCESS";
2399 case TLDAP_OPERATIONS_ERROR:
2400 res = "TLDAP_OPERATIONS_ERROR";
2402 case TLDAP_PROTOCOL_ERROR:
2403 res = "TLDAP_PROTOCOL_ERROR";
2405 case TLDAP_TIMELIMIT_EXCEEDED:
2406 res = "TLDAP_TIMELIMIT_EXCEEDED";
2408 case TLDAP_SIZELIMIT_EXCEEDED:
2409 res = "TLDAP_SIZELIMIT_EXCEEDED";
2411 case TLDAP_COMPARE_FALSE:
2412 res = "TLDAP_COMPARE_FALSE";
2414 case TLDAP_COMPARE_TRUE:
2415 res = "TLDAP_COMPARE_TRUE";
2417 case TLDAP_STRONG_AUTH_NOT_SUPPORTED:
2418 res = "TLDAP_STRONG_AUTH_NOT_SUPPORTED";
2420 case TLDAP_STRONG_AUTH_REQUIRED:
2421 res = "TLDAP_STRONG_AUTH_REQUIRED";
2423 case TLDAP_REFERRAL:
2424 res = "TLDAP_REFERRAL";
2426 case TLDAP_ADMINLIMIT_EXCEEDED:
2427 res = "TLDAP_ADMINLIMIT_EXCEEDED";
2429 case TLDAP_UNAVAILABLE_CRITICAL_EXTENSION:
2430 res = "TLDAP_UNAVAILABLE_CRITICAL_EXTENSION";
2432 case TLDAP_CONFIDENTIALITY_REQUIRED:
2433 res = "TLDAP_CONFIDENTIALITY_REQUIRED";
2435 case TLDAP_SASL_BIND_IN_PROGRESS:
2436 res = "TLDAP_SASL_BIND_IN_PROGRESS";
2438 case TLDAP_NO_SUCH_ATTRIBUTE:
2439 res = "TLDAP_NO_SUCH_ATTRIBUTE";
2441 case TLDAP_UNDEFINED_TYPE:
2442 res = "TLDAP_UNDEFINED_TYPE";
2444 case TLDAP_INAPPROPRIATE_MATCHING:
2445 res = "TLDAP_INAPPROPRIATE_MATCHING";
2447 case TLDAP_CONSTRAINT_VIOLATION:
2448 res = "TLDAP_CONSTRAINT_VIOLATION";
2450 case TLDAP_TYPE_OR_VALUE_EXISTS:
2451 res = "TLDAP_TYPE_OR_VALUE_EXISTS";
2453 case TLDAP_INVALID_SYNTAX:
2454 res = "TLDAP_INVALID_SYNTAX";
2456 case TLDAP_NO_SUCH_OBJECT:
2457 res = "TLDAP_NO_SUCH_OBJECT";
2459 case TLDAP_ALIAS_PROBLEM:
2460 res = "TLDAP_ALIAS_PROBLEM";
2462 case TLDAP_INVALID_DN_SYNTAX:
2463 res = "TLDAP_INVALID_DN_SYNTAX";
2466 res = "TLDAP_IS_LEAF";
2468 case TLDAP_ALIAS_DEREF_PROBLEM:
2469 res = "TLDAP_ALIAS_DEREF_PROBLEM";
2471 case TLDAP_INAPPROPRIATE_AUTH:
2472 res = "TLDAP_INAPPROPRIATE_AUTH";
2474 case TLDAP_INVALID_CREDENTIALS:
2475 res = "TLDAP_INVALID_CREDENTIALS";
2477 case TLDAP_INSUFFICIENT_ACCESS:
2478 res = "TLDAP_INSUFFICIENT_ACCESS";
2483 case TLDAP_UNAVAILABLE:
2484 res = "TLDAP_UNAVAILABLE";
2486 case TLDAP_UNWILLING_TO_PERFORM:
2487 res = "TLDAP_UNWILLING_TO_PERFORM";
2489 case TLDAP_LOOP_DETECT:
2490 res = "TLDAP_LOOP_DETECT";
2492 case TLDAP_NAMING_VIOLATION:
2493 res = "TLDAP_NAMING_VIOLATION";
2495 case TLDAP_OBJECT_CLASS_VIOLATION:
2496 res = "TLDAP_OBJECT_CLASS_VIOLATION";
2498 case TLDAP_NOT_ALLOWED_ON_NONLEAF:
2499 res = "TLDAP_NOT_ALLOWED_ON_NONLEAF";
2501 case TLDAP_NOT_ALLOWED_ON_RDN:
2502 res = "TLDAP_NOT_ALLOWED_ON_RDN";
2504 case TLDAP_ALREADY_EXISTS:
2505 res = "TLDAP_ALREADY_EXISTS";
2507 case TLDAP_NO_OBJECT_CLASS_MODS:
2508 res = "TLDAP_NO_OBJECT_CLASS_MODS";
2510 case TLDAP_RESULTS_TOO_LARGE:
2511 res = "TLDAP_RESULTS_TOO_LARGE";
2513 case TLDAP_AFFECTS_MULTIPLE_DSAS:
2514 res = "TLDAP_AFFECTS_MULTIPLE_DSAS";
2517 res = "TLDAP_OTHER";
2519 case TLDAP_SERVER_DOWN:
2520 res = "TLDAP_SERVER_DOWN";
2522 case TLDAP_LOCAL_ERROR:
2523 res = "TLDAP_LOCAL_ERROR";
2525 case TLDAP_ENCODING_ERROR:
2526 res = "TLDAP_ENCODING_ERROR";
2528 case TLDAP_DECODING_ERROR:
2529 res = "TLDAP_DECODING_ERROR";
2532 res = "TLDAP_TIMEOUT";
2534 case TLDAP_AUTH_UNKNOWN:
2535 res = "TLDAP_AUTH_UNKNOWN";
2537 case TLDAP_FILTER_ERROR:
2538 res = "TLDAP_FILTER_ERROR";
2540 case TLDAP_USER_CANCELLED:
2541 res = "TLDAP_USER_CANCELLED";
2543 case TLDAP_PARAM_ERROR:
2544 res = "TLDAP_PARAM_ERROR";
2546 case TLDAP_NO_MEMORY:
2547 res = "TLDAP_NO_MEMORY";
2549 case TLDAP_CONNECT_ERROR:
2550 res = "TLDAP_CONNECT_ERROR";
2552 case TLDAP_NOT_SUPPORTED:
2553 res = "TLDAP_NOT_SUPPORTED";
2555 case TLDAP_CONTROL_NOT_FOUND:
2556 res = "TLDAP_CONTROL_NOT_FOUND";
2558 case TLDAP_NO_RESULTS_RETURNED:
2559 res = "TLDAP_NO_RESULTS_RETURNED";
2561 case TLDAP_MORE_RESULTS_TO_RETURN:
2562 res = "TLDAP_MORE_RESULTS_TO_RETURN";
2564 case TLDAP_CLIENT_LOOP:
2565 res = "TLDAP_CLIENT_LOOP";
2567 case TLDAP_REFERRAL_LIMIT_EXCEEDED:
2568 res = "TLDAP_REFERRAL_LIMIT_EXCEEDED";
2571 res = talloc_asprintf(talloc_tos(), "Unknown LDAP Error (%d)",
2576 res = "Unknown LDAP Error";