--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Infrastructure for async ldap client requests
+ Copyright (C) Volker Lendecke 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+static bool tevent_req_is_ldap_error(struct tevent_req *req, int *perr)
+{
+ enum tevent_req_state state;
+ uint64_t err;
+
+ if (!tevent_req_is_error(req, &state, &err)) {
+ return false;
+ }
+ switch (state) {
+ case TEVENT_REQ_TIMED_OUT:
+ *perr = TLDAP_TIMEOUT;
+ break;
+ case TEVENT_REQ_NO_MEMORY:
+ *perr = TLDAP_NO_MEMORY;
+ break;
+ case TEVENT_REQ_USER_ERROR:
+ *perr = err;
+ break;
+ default:
+ *perr = TLDAP_OPERATIONS_ERROR;
+ break;
+ }
+ return true;
+}
+
+struct tldap_context {
+ int ld_version;
+ int ld_deref;
+ int ld_sizelimit;
+ int ld_timelimit;
+ int fd;
+ int msgid;
+ struct tevent_queue *outgoing;
+ struct tevent_req **pending;
+
+ /* For the sync wrappers we need something like get_last_error... */
+ int lderr;
+ char *res_matcheddn;
+ char *res_diagnosticmessage;
+ char *res_referral;
+};
+
+struct tldap_message {
+ struct asn1_data *data;
+ uint8_t *inbuf;
+ int type;
+ int id;
+
+ /* RESULT_ENTRY */
+ char *dn;
+ struct tldap_attribute *attribs;
+};
+
+static int tldap_next_msgid(struct tldap_context *ld)
+{
+ int result;
+
+ result = ld->msgid++;
+ if (ld->msgid == 2147483647) {
+ ld->msgid = 1;
+ }
+ return result;
+}
+
+struct tldap_context *tldap_context_create(TALLOC_CTX *mem_ctx, int fd)
+{
+ struct tldap_context *ctx;
+
+ ctx = talloc_zero(mem_ctx, struct tldap_context);
+ if (ctx == NULL) {
+ return NULL;
+ }
+ ctx->fd = fd;
+ ctx->msgid = 1;
+ ctx->ld_version = 3;
+ ctx->outgoing = tevent_queue_create(ctx, "tldap_outgoing");
+ if (ctx->outgoing == NULL) {
+ TALLOC_FREE(ctx);
+ return NULL;
+ }
+ return ctx;
+}
+
+struct read_ldap_state {
+ uint8_t *buf;
+ bool done;
+};
+
+static ssize_t read_ldap_more(uint8_t *buf, size_t buflen, void *private_data)
+{
+ struct read_ldap_state *state = talloc_get_type_abort(
+ private_data, struct read_ldap_state);
+ size_t len;
+ int i, lensize;
+
+ if (state->done) {
+ /* We've been here, we're done */
+ return 0;
+ }
+
+ /*
+ * From ldap.h: LDAP_TAG_MESSAGE is 0x30
+ */
+ if (buf[0] != 0x30) {
+ return -1;
+ }
+
+ len = buf[1];
+ if ((len & 0x80) == 0) {
+ state->done = true;
+ return len;
+ }
+
+ lensize = (len & 0x7f);
+ len = 0;
+
+ if (buflen == 2) {
+ /* Please get us the full length */
+ return lensize;
+ }
+ if (buflen > 2 + lensize) {
+ state->done = true;
+ return 0;
+ }
+ if (buflen != 2 + lensize) {
+ return -1;
+ }
+
+ for (i=0; i<lensize; i++) {
+ len = (len << 8) | buf[2+i];
+ }
+ return len;
+}
+
+static void read_ldap_done(struct tevent_req *subreq);
+
+static struct tevent_req *read_ldap_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ int fd)
+{
+ struct tevent_req *req, *subreq;
+ struct read_ldap_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct read_ldap_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->done = false;
+
+ subreq = read_packet_send(state, ev, fd, 2, read_ldap_more, state);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, read_ldap_done, req);
+ return req;
+}
+
+static void read_ldap_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct read_ldap_state *state = tevent_req_data(
+ req, struct read_ldap_state);
+ ssize_t nread;
+ int err;
+
+ nread = read_packet_recv(subreq, state, &state->buf, &err);
+ TALLOC_FREE(subreq);
+ if (nread == -1) {
+ tevent_req_error(req, err);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+static ssize_t read_ldap_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+ uint8_t **pbuf, int *perrno)
+{
+ struct read_ldap_state *state = tevent_req_data(
+ req, struct read_ldap_state);
+
+ if (tevent_req_is_unix_error(req, perrno)) {
+ return -1;
+ }
+ *pbuf = talloc_move(mem_ctx, &state->buf);
+ return talloc_get_size(*pbuf);
+}
+
+static bool asn1_blob(const struct asn1_data *asn1, DATA_BLOB *blob)
+{
+ if (asn1->has_error) {
+ return false;
+ }
+ if (asn1->nesting != NULL) {
+ return false;
+ }
+ blob->data = asn1->data;
+ blob->length = asn1->length;
+ return true;
+}
+
+static void asn1_load_nocopy(struct asn1_data *data, uint8_t *buf, size_t len)
+{
+ ZERO_STRUCTP(data);
+ data->data = buf;
+ data->length = len;
+}
+
+struct tldap_msg_state {
+ struct tldap_context *ld;
+ struct tevent_context *ev;
+ int id;
+ struct iovec iov;
+
+ struct asn1_data *data;
+ uint8_t *inbuf;
+};
+
+static void tldap_msg_sent(struct tevent_req *subreq);
+static void tldap_msg_received(struct tevent_req *subreq);
+
+static struct tevent_req *tldap_msg_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ int id, struct asn1_data *data)
+{
+ struct tevent_req *req, *subreq;
+ struct tldap_msg_state *state;
+ DATA_BLOB blob;
+
+ req = tevent_req_create(mem_ctx, &state, struct tldap_msg_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ld = ld;
+ state->ev = ev;
+ state->id = id;
+
+ asn1_pop_tag(data);
+
+ if (!asn1_blob(data, &blob)) {
+ tevent_req_error(req, TLDAP_ENCODING_ERROR);
+ return tevent_req_post(req, ev);
+ }
+
+ state->iov.iov_base = blob.data;
+ state->iov.iov_len = blob.length;
+
+ subreq = writev_send(state, ev, ld->outgoing, ld->fd, false,
+ &state->iov, 1);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, tldap_msg_sent, req);
+ return req;
+}
+
+static void tldap_msg_unset_pending(struct tevent_req *req)
+{
+ struct tldap_msg_state *state = tevent_req_data(
+ req, struct tldap_msg_state);
+ struct tldap_context *ld = state->ld;
+ int num_pending = talloc_array_length(ld->pending);
+ int i;
+
+ if (num_pending == 1) {
+ TALLOC_FREE(ld->pending);
+ return;
+ }
+
+ for (i=0; i<num_pending; i++) {
+ if (req == ld->pending[i]) {
+ break;
+ }
+ }
+ if (i == num_pending) {
+ /*
+ * Something's seriously broken. Just returning here is the
+ * right thing nevertheless, the point of this routine is to
+ * remove ourselves from cli->pending.
+ */
+ return;
+ }
+
+ /*
+ * Remove ourselves from the cli->pending array
+ */
+ if (num_pending > 1) {
+ ld->pending[i] = ld->pending[num_pending-1];
+ }
+
+ /*
+ * No NULL check here, we're shrinking by sizeof(void *), and
+ * talloc_realloc just adjusts the size for this.
+ */
+ ld->pending = talloc_realloc(NULL, ld->pending, struct tevent_req *,
+ num_pending - 1);
+ return;
+}
+
+static int tldap_msg_destructor(struct tevent_req *req)
+{
+ tldap_msg_unset_pending(req);
+ return 0;
+}
+
+static bool tldap_msg_set_pending(struct tevent_req *req)
+{
+ struct tldap_msg_state *state = tevent_req_data(
+ req, struct tldap_msg_state);
+ struct tldap_context *ld;
+ struct tevent_req **pending;
+ int num_pending;
+ struct tevent_req *subreq;
+
+ ld = state->ld;
+ num_pending = talloc_array_length(ld->pending);
+
+ pending = talloc_realloc(ld, ld->pending, struct tevent_req *,
+ num_pending+1);
+ if (pending == NULL) {
+ return false;
+ }
+ pending[num_pending] = req;
+ ld->pending = pending;
+ talloc_set_destructor(req, tldap_msg_destructor);
+
+ if (num_pending > 0) {
+ return true;
+ }
+
+ /*
+ * We're the first ones, add the read_ldap request that waits for the
+ * answer from the server
+ */
+ subreq = read_ldap_send(ld->pending, state->ev, ld->fd);
+ if (subreq == NULL) {
+ tldap_msg_unset_pending(req);
+ return false;
+ }
+ tevent_req_set_callback(subreq, tldap_msg_received, ld);
+ return true;
+}
+
+static void tldap_msg_sent(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ ssize_t nwritten;
+ int err;
+
+ nwritten = writev_recv(subreq, &err);
+ TALLOC_FREE(subreq);
+ if (nwritten == -1) {
+ tevent_req_error(req, TLDAP_SERVER_DOWN);
+ return;
+ }
+
+ if (!tldap_msg_set_pending(req)) {
+ tevent_req_nomem(NULL, req);
+ return;
+ }
+}
+
+static int tldap_msg_msgid(struct tevent_req *req)
+{
+ struct tldap_msg_state *state = tevent_req_data(
+ req, struct tldap_msg_state);
+
+ return state->id;
+}
+
+static void tldap_msg_received(struct tevent_req *subreq)
+{
+ struct tldap_context *ld = tevent_req_callback_data(
+ subreq, struct tldap_context);
+ struct tevent_req *req;
+ struct tldap_msg_state *state;
+ struct tevent_context *ev;
+ struct asn1_data *data;
+ uint8_t *inbuf;
+ ssize_t received;
+ size_t num_pending;
+ int i, err, status;
+ int id;
+ bool ok;
+
+ received = read_ldap_recv(subreq, talloc_tos(), &inbuf, &err);
+ TALLOC_FREE(subreq);
+ if (received == -1) {
+ status = TLDAP_SERVER_DOWN;
+ goto fail;
+ }
+
+ data = asn1_init(talloc_tos());
+ if (data == NULL) {
+ status = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+ asn1_load_nocopy(data, inbuf, received);
+
+ ok = true;
+ ok &= asn1_start_tag(data, ASN1_SEQUENCE(0));
+ ok &= asn1_read_Integer(data, &id);
+
+ if (!ok) {
+ status = TLDAP_PROTOCOL_ERROR;
+ goto fail;
+ }
+
+ num_pending = talloc_array_length(ld->pending);
+
+ for (i=0; i<num_pending; i++) {
+ if (id == tldap_msg_msgid(ld->pending[i])) {
+ break;
+ }
+ }
+ if (i == num_pending) {
+ /* Dump unexpected reply */
+ TALLOC_FREE(inbuf);
+ goto done;
+ }
+
+ req = ld->pending[i];
+ state = tevent_req_data(req, struct tldap_msg_state);
+
+ state->inbuf = talloc_move(state, &inbuf);
+ state->data = talloc_move(state, &data);
+
+ ev = state->ev;
+
+ talloc_set_destructor(req, NULL);
+ tldap_msg_destructor(req);
+ tevent_req_done(req);
+
+ done:
+ if (talloc_array_length(ld->pending) > 0) {
+ state = tevent_req_data(ld->pending[0],
+ struct tldap_msg_state);
+ subreq = read_ldap_send(ld->pending, state->ev, ld->fd);
+ if (subreq == NULL) {
+ status = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+ tevent_req_set_callback(subreq, tldap_msg_received, ld);
+ }
+ return;
+
+ fail:
+ while (talloc_array_length(ld->pending) > 0) {
+ req = ld->pending[0];
+ talloc_set_destructor(req, NULL);
+ tldap_msg_destructor(req);
+ tevent_req_error(req, status);
+ }
+}
+
+static int tldap_msg_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+ struct tldap_message **pmsg)
+{
+ struct tldap_msg_state *state = tevent_req_data(
+ req, struct tldap_msg_state);
+ struct tldap_message *msg;
+ int err;
+ uint8_t msgtype;
+
+ if (tevent_req_is_ldap_error(req, &err)) {
+ return err;
+ }
+
+ if (!asn1_peek_uint8(state->data, &msgtype)) {
+ return TLDAP_PROTOCOL_ERROR;
+ }
+
+ if (pmsg == NULL) {
+ return TLDAP_SUCCESS;
+ }
+
+ msg = talloc_zero(mem_ctx, struct tldap_message);
+ if (msg == NULL) {
+ return TLDAP_NO_MEMORY;
+ }
+ msg->id = state->id;
+
+ msg->inbuf = talloc_move(msg, &state->inbuf);
+ msg->data = talloc_move(msg, &state->data);
+ msg->type = msgtype;
+
+ *pmsg = msg;
+ return TLDAP_SUCCESS;
+}
+
+struct tldap_req_state {
+ int id;
+ struct asn1_data *out;
+ struct tldap_message *result;
+
+ int lderr;
+ char *res_matcheddn;
+ char *res_diagnosticmessage;
+ char *res_referral;
+};
+
+static struct tevent_req *tldap_req_create(TALLOC_CTX *mem_ctx,
+ struct tldap_context *ld,
+ struct tldap_req_state **pstate)
+{
+ struct tevent_req *req;
+ struct tldap_req_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct tldap_req_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ ZERO_STRUCTP(state);
+ state->out = asn1_init(state);
+ if (state->out == NULL) {
+ TALLOC_FREE(req);
+ return NULL;
+ }
+ state->result = NULL;
+ state->id = tldap_next_msgid(ld);
+
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+ asn1_write_Integer(state->out, state->id);
+
+ *pstate = state;
+ return req;
+}
+
+static void tldap_save_errors(struct tldap_context *ctx,
+ struct tevent_req *req)
+{
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+
+ TALLOC_FREE(ctx->res_matcheddn);
+ TALLOC_FREE(ctx->res_diagnosticmessage);
+ TALLOC_FREE(ctx->res_referral);
+
+ ctx->lderr = state->lderr;
+ ctx->res_matcheddn = talloc_move(ctx, &state->res_matcheddn);
+ ctx->res_diagnosticmessage = talloc_move(
+ ctx, &state->res_diagnosticmessage);
+ ctx->res_referral = talloc_move(ctx, &state->res_referral);
+}
+
+static char *blob2string_talloc(TALLOC_CTX *mem_ctx, DATA_BLOB blob)
+{
+ char *result = talloc_array(mem_ctx, char, blob.length+1);
+ memcpy(result, blob.data, blob.length);
+ result[blob.length] = '\0';
+ return result;
+}
+
+static bool asn1_read_OctetString_talloc(TALLOC_CTX *mem_ctx,
+ struct asn1_data *data,
+ char **result)
+{
+ DATA_BLOB string;
+ if (!asn1_read_OctetString(data, mem_ctx, &string))
+ return false;
+ *result = blob2string_talloc(mem_ctx, string);
+ data_blob_free(&string);
+ return true;
+}
+
+static bool tldap_decode_response(struct tldap_req_state *state)
+{
+ struct asn1_data *data = state->result->data;
+ bool ok = true;
+
+ ok &= asn1_read_enumerated(data, &state->lderr);
+ ok &= asn1_read_OctetString_talloc(state, data, &state->res_matcheddn);
+ ok &= asn1_read_OctetString_talloc(state, data,
+ &state->res_diagnosticmessage);
+ if (asn1_peek_tag(data, ASN1_CONTEXT(3))) {
+ ok &= asn1_start_tag(data, ASN1_CONTEXT(3));
+ ok &= asn1_read_OctetString_talloc(
+ state, data, &state->res_referral);
+ ok &= asn1_end_tag(data);
+ } else {
+ state->res_referral = NULL;
+ }
+
+ return ok;
+}
+
+static void tldap_sasl_bind_done(struct tevent_req *subreq);
+
+struct tevent_req *tldap_sasl_bind_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ const char *dn,
+ const char *mechanism,
+ DATA_BLOB *creds,
+ struct tldap_control **sctrls,
+ struct tldap_control **cctrls)
+{
+ struct tevent_req *req, *subreq;
+ struct tldap_req_state *state;
+
+ req = tldap_req_create(mem_ctx, ld, &state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (dn == NULL) {
+ dn = "";
+ }
+
+ asn1_push_tag(state->out, TLDAP_REQ_BIND);
+ asn1_write_Integer(state->out, ld->ld_version);
+ asn1_write_OctetString(state->out, dn, (dn != NULL) ? strlen(dn) : 0);
+
+ if (mechanism == NULL) {
+ asn1_push_tag(state->out, ASN1_CONTEXT_SIMPLE(0));
+ asn1_write(state->out, creds->data, creds->length);
+ asn1_pop_tag(state->out);
+ } else {
+ asn1_push_tag(state->out, ASN1_CONTEXT(3));
+ asn1_write_OctetString(state->out, mechanism,
+ strlen(mechanism));
+ if ((creds != NULL) && (creds->data != NULL)) {
+ asn1_write_OctetString(state->out, creds->data,
+ creds->length);
+ }
+ asn1_pop_tag(state->out);
+ }
+
+ if (!asn1_pop_tag(state->out)) {
+ tevent_req_error(req, TLDAP_ENCODING_ERROR);
+ return tevent_req_post(req, ev);
+ }
+
+ subreq = tldap_msg_send(state, ev, ld, state->id, state->out);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, tldap_sasl_bind_done, req);
+ return req;
+}
+
+static void tldap_sasl_bind_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ int err;
+
+ err = tldap_msg_recv(subreq, state, &state->result);
+ TALLOC_FREE(subreq);
+ if (err != TLDAP_SUCCESS) {
+ tevent_req_error(req, err);
+ return;
+ }
+ if (state->result->type != TLDAP_RES_BIND) {
+ tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
+ return;
+ }
+ if (!asn1_start_tag(state->result->data, state->result->type) ||
+ !tldap_decode_response(state) ||
+ !asn1_end_tag(state->result->data)) {
+ tevent_req_error(req, TLDAP_DECODING_ERROR);
+ return;
+ }
+ /*
+ * TODO: pull the reply blob
+ */
+ if (state->lderr != TLDAP_SUCCESS) {
+ tevent_req_error(req, state->lderr);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+int tldap_sasl_bind_recv(struct tevent_req *req)
+{
+ int err;
+
+ if (tevent_req_is_ldap_error(req, &err)) {
+ return err;
+ }
+ return TLDAP_SUCCESS;
+}
+
+int tldap_sasl_bind(struct tldap_context *ld,
+ const char *dn,
+ const char *mechanism,
+ DATA_BLOB *creds,
+ struct tldap_control **sctrls,
+ struct tldap_control **cctrls)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ int result;
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ req = tldap_sasl_bind_send(frame, ev, ld, dn, mechanism, creds,
+ sctrls, cctrls);
+ if (req == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll(req, ev)) {
+ result = TLDAP_OPERATIONS_ERROR;
+ goto fail;
+ }
+
+ result = tldap_sasl_bind_recv(req);
+ tldap_save_errors(ld, req);
+ fail:
+ TALLOC_FREE(frame);
+ return result;
+}
+
+struct tevent_req *tldap_simple_bind_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ const char *dn,
+ const char *passwd)
+{
+ DATA_BLOB cred;
+
+ if (passwd != NULL) {
+ cred.data = (uint8_t *)passwd;
+ cred.length = strlen(passwd);
+ } else {
+ cred.data = (uint8_t *)"";
+ cred.length = 0;
+ }
+ return tldap_sasl_bind_send(mem_ctx, ev, ld, dn, NULL, &cred, NULL,
+ NULL);
+}
+
+int tldap_simple_bind_recv(struct tevent_req *req)
+{
+ return tldap_sasl_bind_recv(req);
+}
+
+int tldap_simple_bind(struct tldap_context *ld, const char *dn,
+ const char *passwd)
+{
+ DATA_BLOB cred;
+
+ if (passwd != NULL) {
+ cred.data = (uint8_t *)passwd;
+ cred.length = strlen(passwd);
+ } else {
+ cred.data = (uint8_t *)"";
+ cred.length = 0;
+ }
+ return tldap_sasl_bind(ld, dn, NULL, &cred, NULL, NULL);
+}
+
+/*****************************************************************************/
+
+/*
+ * This piece has a dependency on ldb, the ldb_parse_tree() function is used.
+ * In case we want to separate out tldap, we need to copy or rewrite it.
+ */
+
+#include "lib/ldb/include/ldb.h"
+#include "lib/ldb/include/ldb_errors.h"
+
+static bool ldap_push_filter(struct asn1_data *data,
+ struct ldb_parse_tree *tree)
+{
+ int i;
+
+ switch (tree->operation) {
+ case LDB_OP_AND:
+ case LDB_OP_OR:
+ asn1_push_tag(data,
+ ASN1_CONTEXT(tree->operation==LDB_OP_AND?0:1));
+ for (i=0; i<tree->u.list.num_elements; i++) {
+ if (!ldap_push_filter(data,
+ tree->u.list.elements[i])) {
+ return false;
+ }
+ }
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_NOT:
+ asn1_push_tag(data, ASN1_CONTEXT(2));
+ if (!ldap_push_filter(data, tree->u.isnot.child)) {
+ return false;
+ }
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_EQUALITY:
+ /* equality test */
+ asn1_push_tag(data, ASN1_CONTEXT(3));
+ asn1_write_OctetString(data, tree->u.equality.attr,
+ strlen(tree->u.equality.attr));
+ asn1_write_OctetString(data, tree->u.equality.value.data,
+ tree->u.equality.value.length);
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_SUBSTRING:
+ /*
+ SubstringFilter ::= SEQUENCE {
+ type AttributeDescription,
+ -- at least one must be present
+ substrings SEQUENCE OF CHOICE {
+ initial [0] LDAPString,
+ any [1] LDAPString,
+ final [2] LDAPString } }
+ */
+ asn1_push_tag(data, ASN1_CONTEXT(4));
+ asn1_write_OctetString(data, tree->u.substring.attr,
+ strlen(tree->u.substring.attr));
+ asn1_push_tag(data, ASN1_SEQUENCE(0));
+ i = 0;
+ if (!tree->u.substring.start_with_wildcard) {
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(0));
+ asn1_write_DATA_BLOB_LDAPString(
+ data, tree->u.substring.chunks[i]);
+ asn1_pop_tag(data);
+ i++;
+ }
+ while (tree->u.substring.chunks[i]) {
+ int ctx;
+
+ if ((!tree->u.substring.chunks[i + 1]) &&
+ (tree->u.substring.end_with_wildcard == 0)) {
+ ctx = 2;
+ } else {
+ ctx = 1;
+ }
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(ctx));
+ asn1_write_DATA_BLOB_LDAPString(
+ data, tree->u.substring.chunks[i]);
+ asn1_pop_tag(data);
+ i++;
+ }
+ asn1_pop_tag(data);
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_GREATER:
+ /* greaterOrEqual test */
+ asn1_push_tag(data, ASN1_CONTEXT(5));
+ asn1_write_OctetString(data, tree->u.comparison.attr,
+ strlen(tree->u.comparison.attr));
+ asn1_write_OctetString(data, tree->u.comparison.value.data,
+ tree->u.comparison.value.length);
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_LESS:
+ /* lessOrEqual test */
+ asn1_push_tag(data, ASN1_CONTEXT(6));
+ asn1_write_OctetString(data, tree->u.comparison.attr,
+ strlen(tree->u.comparison.attr));
+ asn1_write_OctetString(data, tree->u.comparison.value.data,
+ tree->u.comparison.value.length);
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_PRESENT:
+ /* present test */
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(7));
+ asn1_write_LDAPString(data, tree->u.present.attr);
+ asn1_pop_tag(data);
+ return !data->has_error;
+
+ case LDB_OP_APPROX:
+ /* approx test */
+ asn1_push_tag(data, ASN1_CONTEXT(8));
+ asn1_write_OctetString(data, tree->u.comparison.attr,
+ strlen(tree->u.comparison.attr));
+ asn1_write_OctetString(data, tree->u.comparison.value.data,
+ tree->u.comparison.value.length);
+ asn1_pop_tag(data);
+ break;
+
+ case LDB_OP_EXTENDED:
+ /*
+ MatchingRuleAssertion ::= SEQUENCE {
+ matchingRule [1] MatchingRuleID OPTIONAL,
+ type [2] AttributeDescription OPTIONAL,
+ matchValue [3] AssertionValue,
+ dnAttributes [4] BOOLEAN DEFAULT FALSE
+ }
+ */
+ asn1_push_tag(data, ASN1_CONTEXT(9));
+ if (tree->u.extended.rule_id) {
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(1));
+ asn1_write_LDAPString(data, tree->u.extended.rule_id);
+ asn1_pop_tag(data);
+ }
+ if (tree->u.extended.attr) {
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(2));
+ asn1_write_LDAPString(data, tree->u.extended.attr);
+ asn1_pop_tag(data);
+ }
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(3));
+ asn1_write_DATA_BLOB_LDAPString(data, &tree->u.extended.value);
+ asn1_pop_tag(data);
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(4));
+ asn1_write_uint8(data, tree->u.extended.dnAttributes);
+ asn1_pop_tag(data);
+ asn1_pop_tag(data);
+ break;
+
+ default:
+ return false;
+ }
+ return !data->has_error;
+}
+
+static bool tldap_push_filter(struct asn1_data *data, const char *filter)
+{
+ struct ldb_parse_tree *tree;
+ bool ret;
+
+ tree = ldb_parse_tree(talloc_tos(), filter);
+ if (tree == NULL) {
+ return false;
+ }
+ ret = ldap_push_filter(data, tree);
+ TALLOC_FREE(tree);
+ return ret;
+}
+
+/*****************************************************************************/
+
+static void tldap_search_done(struct tevent_req *subreq);
+
+struct tevent_req *tldap_search_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ const char *base, int scope,
+ const char *filter,
+ const char **attrs,
+ int num_attrs,
+ int attrsonly,
+ struct tldap_control **sctrls,
+ struct tldap_control **cctrls,
+ int timelimit,
+ int sizelimit,
+ int deref)
+{
+ struct tevent_req *req, *subreq;
+ struct tldap_req_state *state;
+ int i;
+
+ req = tldap_req_create(mem_ctx, ld, &state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ asn1_push_tag(state->out, TLDAP_REQ_SEARCH);
+ asn1_write_OctetString(state->out, base, strlen(base));
+ asn1_write_enumerated(state->out, scope);
+ asn1_write_enumerated(state->out, deref);
+ asn1_write_Integer(state->out, sizelimit);
+ asn1_write_Integer(state->out, timelimit);
+ asn1_write_BOOLEAN(state->out, attrsonly);
+
+ if (!tldap_push_filter(state->out, filter)) {
+ goto encoding_error;
+ }
+
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+ for (i=0; i<num_attrs; i++) {
+ asn1_write_OctetString(state->out, attrs[i], strlen(attrs[i]));
+ }
+ asn1_pop_tag(state->out);
+ asn1_pop_tag(state->out);
+
+ subreq = tldap_msg_send(state, ev, ld, state->id, state->out);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, tldap_search_done, req);
+ return req;
+
+ encoding_error:
+ tevent_req_error(req, TLDAP_ENCODING_ERROR);
+ return tevent_req_post(req, ev);
+}
+
+static void tldap_search_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ int err;
+
+ err = tldap_msg_recv(subreq, state, &state->result);
+ if (err != TLDAP_SUCCESS) {
+ tevent_req_error(req, err);
+ return;
+ }
+ switch (state->result->type) {
+ case TLDAP_RES_SEARCH_ENTRY:
+ case TLDAP_RES_SEARCH_REFERENCE:
+ tevent_req_notify_callback(req);
+ if (!tldap_msg_set_pending(subreq)) {
+ tevent_req_nomem(NULL, req);
+ return;
+ }
+ break;
+ case TLDAP_RES_SEARCH_RESULT:
+ TALLOC_FREE(subreq);
+ if (!asn1_start_tag(state->result->data,
+ state->result->type) ||
+ !tldap_decode_response(state) ||
+ !asn1_end_tag(state->result->data)) {
+ tevent_req_error(req, TLDAP_DECODING_ERROR);
+ return;
+ }
+ tevent_req_done(req);
+ break;
+ default:
+ tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
+ return;
+ }
+}
+
+int tldap_search_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+ struct tldap_message **pmsg)
+{
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ int err;
+
+ if (!tevent_req_is_in_progress(req)
+ && tevent_req_is_ldap_error(req, &err)) {
+ return err;
+ }
+
+ if (tevent_req_is_in_progress(req)) {
+ switch (state->result->type) {
+ case TLDAP_RES_SEARCH_ENTRY:
+ case TLDAP_RES_SEARCH_REFERENCE:
+ break;
+ default:
+ return TLDAP_OPERATIONS_ERROR;
+ }
+ }
+
+ *pmsg = state->result;
+ return TLDAP_SUCCESS;
+}
+
+struct tldap_sync_search_state {
+ TALLOC_CTX *mem_ctx;
+ struct tldap_message **entries;
+ struct tldap_message **refs;
+ int rc;
+};
+
+static void tldap_search_cb(struct tevent_req *req)
+{
+ struct tldap_sync_search_state *state =
+ (struct tldap_sync_search_state *)
+ tevent_req_callback_data_void(req);
+ struct tldap_message *msg, **tmp;
+ int rc, num_entries, num_refs;
+
+ rc = tldap_search_recv(req, talloc_tos(), &msg);
+ if (rc != TLDAP_SUCCESS) {
+ state->rc = rc;
+ return;
+ }
+
+ switch (tldap_msg_type(msg)) {
+ case TLDAP_RES_SEARCH_ENTRY:
+ num_entries = talloc_array_length(state->entries);
+ tmp = talloc_realloc(state->mem_ctx, state->entries,
+ struct tldap_message *, num_entries + 1);
+ if (tmp == NULL) {
+ state->rc = TLDAP_NO_MEMORY;
+ return;
+ }
+ state->entries = tmp;
+ state->entries[num_entries] = talloc_move(state->entries,
+ &msg);
+ break;
+ case TLDAP_RES_SEARCH_REFERENCE:
+ num_refs = talloc_array_length(state->refs);
+ tmp = talloc_realloc(state->mem_ctx, state->refs,
+ struct tldap_message *, num_refs + 1);
+ if (tmp == NULL) {
+ state->rc = TLDAP_NO_MEMORY;
+ return;
+ }
+ state->refs = tmp;
+ state->refs[num_refs] = talloc_move(state->refs, &msg);
+ break;
+ case TLDAP_RES_SEARCH_RESULT:
+ state->rc = TLDAP_SUCCESS;
+ break;
+ default:
+ state->rc = TLDAP_PROTOCOL_ERROR;
+ break;
+ }
+}
+
+int tldap_search(struct tldap_context *ld,
+ const char *base, int scope, const char *filter,
+ const char **attrs, int num_attrs, int attrsonly,
+ struct tldap_control **sctrls, struct tldap_control **cctrls,
+ int timelimit, int sizelimit, int deref,
+ TALLOC_CTX *mem_ctx, struct tldap_message ***entries,
+ struct tldap_message ***refs)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ struct tldap_sync_search_state state;
+
+ ZERO_STRUCT(state);
+ state.mem_ctx = mem_ctx;
+ state.rc = TLDAP_SUCCESS;
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ state.rc = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ req = tldap_search_send(frame, ev, ld, base, scope, filter,
+ attrs, num_attrs, attrsonly,
+ sctrls, cctrls, timelimit,
+ sizelimit, deref);
+ if (req == NULL) {
+ state.rc = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ tevent_req_set_callback(req, tldap_search_cb, &state);
+
+ while (tevent_req_is_in_progress(req)
+ && (state.rc == TLDAP_SUCCESS)) {
+ if (tevent_loop_once(ev) == -1) {
+ return TLDAP_OPERATIONS_ERROR;
+ }
+ }
+
+ if (state.rc != TLDAP_SUCCESS) {
+ return state.rc;
+ }
+
+ if (entries != NULL) {
+ *entries = state.entries;
+ } else {
+ TALLOC_FREE(state.entries);
+ }
+ if (refs != NULL) {
+ *refs = state.refs;
+ } else {
+ TALLOC_FREE(state.refs);
+ }
+ tldap_save_errors(ld, req);
+fail:
+ TALLOC_FREE(frame);
+ return state.rc;
+}
+
+static bool tldap_parse_search_entry(struct tldap_message *msg)
+{
+ int num_attribs = 0;
+
+ asn1_start_tag(msg->data, msg->type);
+
+ /* dn */
+
+ asn1_read_OctetString_talloc(msg, msg->data, &msg->dn);
+ if (msg->dn == NULL) {
+ return false;
+ }
+
+ /*
+ * Attributes: We overallocate msg->attribs by one, so that while
+ * looping over the attributes we can directly parse into the last
+ * array element. Same for the values in the inner loop.
+ */
+
+ msg->attribs = talloc_array(msg, struct tldap_attribute, 1);
+ if (msg->attribs == NULL) {
+ return false;
+ }
+
+ asn1_start_tag(msg->data, ASN1_SEQUENCE(0));
+ while (asn1_peek_tag(msg->data, ASN1_SEQUENCE(0))) {
+ struct tldap_attribute *attrib;
+ int num_values = 0;
+
+ attrib = &msg->attribs[num_attribs];
+ attrib->values = talloc_array(msg->attribs, DATA_BLOB, 1);
+ if (attrib->values == NULL) {
+ return false;
+ }
+ asn1_start_tag(msg->data, ASN1_SEQUENCE(0));
+ asn1_read_OctetString_talloc(msg->attribs, msg->data,
+ &attrib->name);
+ asn1_start_tag(msg->data, ASN1_SET);
+
+ while (asn1_peek_tag(msg->data, ASN1_OCTET_STRING)) {
+ asn1_read_OctetString(msg->data, msg,
+ &attrib->values[num_values]);
+
+ attrib->values = talloc_realloc(
+ msg->attribs, attrib->values, DATA_BLOB,
+ num_values + 2);
+ if (attrib->values == NULL) {
+ return false;
+ }
+ num_values += 1;
+ }
+ attrib->values = talloc_realloc(msg->attribs, attrib->values,
+ DATA_BLOB, num_values);
+ attrib->num_values = num_values;
+
+ asn1_end_tag(msg->data); /* ASN1_SET */
+ asn1_end_tag(msg->data); /* ASN1_SEQUENCE(0) */
+ msg->attribs = talloc_realloc(
+ msg, msg->attribs, struct tldap_attribute,
+ num_attribs + 2);
+ if (msg->attribs == NULL) {
+ return false;
+ }
+ num_attribs += 1;
+ }
+ msg->attribs = talloc_realloc(
+ msg, msg->attribs, struct tldap_attribute, num_attribs);
+ asn1_end_tag(msg->data);
+ if (msg->data->has_error) {
+ return false;
+ }
+ return true;
+}
+
+bool tldap_entry_dn(struct tldap_message *msg, char **dn)
+{
+ if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
+ return false;
+ }
+ *dn = msg->dn;
+ return true;
+}
+
+bool tldap_entry_attributes(struct tldap_message *msg, int *num_attributes,
+ struct tldap_attribute **attributes)
+{
+ if ((msg->dn == NULL) && (!tldap_parse_search_entry(msg))) {
+ return false;
+ }
+ *attributes = msg->attribs;
+ *num_attributes = talloc_array_length(msg->attribs);
+ return true;
+}
+
+static void tldap_simple_done(struct tevent_req *subreq, int type)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ int err;
+
+ err = tldap_msg_recv(subreq, state, &state->result);
+ TALLOC_FREE(subreq);
+ if (err != TLDAP_SUCCESS) {
+ tevent_req_error(req, err);
+ return;
+ }
+ if (state->result->type != type) {
+ tevent_req_error(req, TLDAP_PROTOCOL_ERROR);
+ return;
+ }
+ if (!asn1_start_tag(state->result->data, state->result->type) ||
+ !tldap_decode_response(state) ||
+ !asn1_end_tag(state->result->data)) {
+ tevent_req_error(req, TLDAP_DECODING_ERROR);
+ return;
+ }
+ if (state->lderr != TLDAP_SUCCESS) {
+ tevent_req_error(req, state->lderr);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+static int tldap_simple_recv(struct tevent_req *req)
+{
+ int err;
+ if (tevent_req_is_ldap_error(req, &err)) {
+ return err;
+ }
+ return TLDAP_SUCCESS;
+}
+
+static void tldap_add_done(struct tevent_req *subreq);
+
+struct tevent_req *tldap_add_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ const char *dn,
+ int num_attributes,
+ struct tldap_mod *attributes,
+ struct tldap_control **sctrls,
+ struct tldap_control **cctrls)
+{
+ struct tevent_req *req, *subreq;
+ struct tldap_req_state *state;
+ int i, j;
+
+ req = tldap_req_create(mem_ctx, ld, &state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ asn1_push_tag(state->out, TLDAP_REQ_ADD);
+ asn1_write_OctetString(state->out, dn, strlen(dn));
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+
+ for (i=0; i<num_attributes; i++) {
+ struct tldap_mod *attrib = &attributes[i];
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+ asn1_write_OctetString(state->out, attrib->attribute,
+ strlen(attrib->attribute));
+ asn1_push_tag(state->out, ASN1_SET);
+ for (j=0; j<attrib->num_values; j++) {
+ asn1_write_OctetString(state->out,
+ attrib->values[j].data,
+ attrib->values[j].length);
+ }
+ asn1_pop_tag(state->out);
+ asn1_pop_tag(state->out);
+ }
+
+ asn1_pop_tag(state->out);
+ asn1_pop_tag(state->out);
+
+ subreq = tldap_msg_send(state, ev, ld, state->id, state->out);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, tldap_add_done, req);
+ return req;
+
+}
+
+static void tldap_add_done(struct tevent_req *subreq)
+{
+ return tldap_simple_done(subreq, TLDAP_RES_ADD);
+}
+
+int tldap_add_recv(struct tevent_req *req)
+{
+ return tldap_simple_recv(req);
+}
+
+int tldap_add(struct tldap_context *ld, const char *dn,
+ int num_attributes, struct tldap_mod *attributes,
+ struct tldap_control **sctrls, struct tldap_control **cctrls)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ int result;
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ req = tldap_add_send(frame, ev, ld, dn, num_attributes, attributes,
+ sctrls, cctrls);
+ if (req == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll(req, ev)) {
+ result = TLDAP_OPERATIONS_ERROR;
+ goto fail;
+ }
+
+ result = tldap_add_recv(req);
+ tldap_save_errors(ld, req);
+ fail:
+ TALLOC_FREE(frame);
+ return result;
+}
+
+static void tldap_modify_done(struct tevent_req *subreq);
+
+struct tevent_req *tldap_modify_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ const char *dn,
+ int num_mods, struct tldap_mod *mods,
+ struct tldap_control **sctrls,
+ struct tldap_control **cctrls)
+{
+ struct tevent_req *req, *subreq;
+ struct tldap_req_state *state;
+ int i, j;
+
+ req = tldap_req_create(mem_ctx, ld, &state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ asn1_push_tag(state->out, TLDAP_REQ_MODIFY);
+ asn1_write_OctetString(state->out, dn, strlen(dn));
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+
+ for (i=0; i<num_mods; i++) {
+ struct tldap_mod *mod = &mods[i];
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+ asn1_write_enumerated(state->out, mod->mod_op),
+ asn1_push_tag(state->out, ASN1_SEQUENCE(0));
+ asn1_write_OctetString(state->out, mod->attribute,
+ strlen(mod->attribute));
+ asn1_push_tag(state->out, ASN1_SET);
+ for (j=0; j<mod->num_values; j++) {
+ asn1_write_OctetString(state->out,
+ mod->values[j].data,
+ mod->values[j].length);
+ }
+ asn1_pop_tag(state->out);
+ asn1_pop_tag(state->out);
+ asn1_pop_tag(state->out);
+ }
+
+ asn1_pop_tag(state->out);
+ asn1_pop_tag(state->out);
+
+ subreq = tldap_msg_send(state, ev, ld, state->id, state->out);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, tldap_modify_done, req);
+ return req;
+
+}
+
+static void tldap_modify_done(struct tevent_req *subreq)
+{
+ return tldap_simple_done(subreq, TLDAP_RES_MODIFY);
+}
+
+int tldap_modify_recv(struct tevent_req *req)
+{
+ return tldap_simple_recv(req);
+}
+
+int tldap_modify(struct tldap_context *ld, const char *dn,
+ int num_mods, struct tldap_mod *mods,
+ struct tldap_control **sctrls, struct tldap_control **cctrls)
+ {
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ int result;
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ req = tldap_modify_send(frame, ev, ld, dn, num_mods, mods,
+ sctrls, cctrls);
+ if (req == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll(req, ev)) {
+ result = TLDAP_OPERATIONS_ERROR;
+ goto fail;
+ }
+
+ result = tldap_modify_recv(req);
+ tldap_save_errors(ld, req);
+ fail:
+ TALLOC_FREE(frame);
+ return result;
+}
+
+static void tldap_delete_done(struct tevent_req *subreq);
+
+struct tevent_req *tldap_delete_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tldap_context *ld,
+ const char *dn,
+ struct tldap_control **sctrls,
+ struct tldap_control **cctrls)
+{
+ struct tevent_req *req, *subreq;
+ struct tldap_req_state *state;
+
+ req = tldap_req_create(mem_ctx, ld, &state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ asn1_push_tag(state->out, TLDAP_REQ_DELETE);
+ asn1_write_OctetString(state->out, dn, strlen(dn));
+ asn1_pop_tag(state->out);
+
+ subreq = tldap_msg_send(state, ev, ld, state->id, state->out);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, tldap_delete_done, req);
+ return req;
+
+}
+
+static void tldap_delete_done(struct tevent_req *subreq)
+{
+ return tldap_simple_done(subreq, TLDAP_RES_DELETE);
+}
+
+int tldap_delete_recv(struct tevent_req *req)
+{
+ return tldap_simple_recv(req);
+}
+
+int tldap_delete(struct tldap_context *ld, const char *dn,
+ struct tldap_control **sctrls, struct tldap_control **cctrls)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ int result;
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ req = tldap_delete_send(frame, ev, ld, dn, sctrls, cctrls);
+ if (req == NULL) {
+ result = TLDAP_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll(req, ev)) {
+ result = TLDAP_OPERATIONS_ERROR;
+ goto fail;
+ }
+
+ result = tldap_delete_recv(req);
+ tldap_save_errors(ld, req);
+ fail:
+ TALLOC_FREE(frame);
+ return result;
+}
+
+int tldap_msg_id(const struct tldap_message *msg)
+{
+ return msg->id;
+}
+
+int tldap_msg_type(const struct tldap_message *msg)
+{
+ return msg->type;
+}
+
+const char *tldap_req_matcheddn(struct tevent_req *req)
+{
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ return state->res_matcheddn;
+}
+
+const char *tldap_req_diagnosticmessage(struct tevent_req *req)
+{
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ return state->res_diagnosticmessage;
+}
+
+const char *tldap_req_referral(struct tevent_req *req)
+{
+ struct tldap_req_state *state = tevent_req_data(
+ req, struct tldap_req_state);
+ return state->res_referral;
+}
+
+const char *tldap_ctx_matcheddn(struct tldap_context *ctx)
+{
+ return ctx->res_matcheddn;
+}
+
+const char *tldap_ctx_diagnosticmessage(struct tldap_context *ctx)
+{
+ return ctx->res_diagnosticmessage;
+}
+
+const char *tldap_ctx_referral(struct tldap_context *ctx)
+{
+ return ctx->res_referral;
+}
+
+const char *tldap_err2string(int rc)
+{
+ const char *res = NULL;
+
+ /*
+ * This would normally be a table, but the error codes are not fully
+ * sequential. Let the compiler figure out the optimum implementation
+ * :-)
+ */
+
+ switch (rc) {
+ case TLDAP_SUCCESS:
+ res = "TLDAP_SUCCESS";
+ break;
+ case TLDAP_OPERATIONS_ERROR:
+ res = "TLDAP_OPERATIONS_ERROR";
+ break;
+ case TLDAP_PROTOCOL_ERROR:
+ res = "TLDAP_PROTOCOL_ERROR";
+ break;
+ case TLDAP_TIMELIMIT_EXCEEDED:
+ res = "TLDAP_TIMELIMIT_EXCEEDED";
+ break;
+ case TLDAP_SIZELIMIT_EXCEEDED:
+ res = "TLDAP_SIZELIMIT_EXCEEDED";
+ break;
+ case TLDAP_COMPARE_FALSE:
+ res = "TLDAP_COMPARE_FALSE";
+ break;
+ case TLDAP_COMPARE_TRUE:
+ res = "TLDAP_COMPARE_TRUE";
+ break;
+ case TLDAP_STRONG_AUTH_NOT_SUPPORTED:
+ res = "TLDAP_STRONG_AUTH_NOT_SUPPORTED";
+ break;
+ case TLDAP_STRONG_AUTH_REQUIRED:
+ res = "TLDAP_STRONG_AUTH_REQUIRED";
+ break;
+ case TLDAP_REFERRAL:
+ res = "TLDAP_REFERRAL";
+ break;
+ case TLDAP_ADMINLIMIT_EXCEEDED:
+ res = "TLDAP_ADMINLIMIT_EXCEEDED";
+ break;
+ case TLDAP_UNAVAILABLE_CRITICAL_EXTENSION:
+ res = "TLDAP_UNAVAILABLE_CRITICAL_EXTENSION";
+ break;
+ case TLDAP_CONFIDENTIALITY_REQUIRED:
+ res = "TLDAP_CONFIDENTIALITY_REQUIRED";
+ break;
+ case TLDAP_SASL_BIND_IN_PROGRESS:
+ res = "TLDAP_SASL_BIND_IN_PROGRESS";
+ break;
+ case TLDAP_NO_SUCH_ATTRIBUTE:
+ res = "TLDAP_NO_SUCH_ATTRIBUTE";
+ break;
+ case TLDAP_UNDEFINED_TYPE:
+ res = "TLDAP_UNDEFINED_TYPE";
+ break;
+ case TLDAP_INAPPROPRIATE_MATCHING:
+ res = "TLDAP_INAPPROPRIATE_MATCHING";
+ break;
+ case TLDAP_CONSTRAINT_VIOLATION:
+ res = "TLDAP_CONSTRAINT_VIOLATION";
+ break;
+ case TLDAP_TYPE_OR_VALUE_EXISTS:
+ res = "TLDAP_TYPE_OR_VALUE_EXISTS";
+ break;
+ case TLDAP_INVALID_SYNTAX:
+ res = "TLDAP_INVALID_SYNTAX";
+ break;
+ case TLDAP_NO_SUCH_OBJECT:
+ res = "TLDAP_NO_SUCH_OBJECT";
+ break;
+ case TLDAP_ALIAS_PROBLEM:
+ res = "TLDAP_ALIAS_PROBLEM";
+ break;
+ case TLDAP_INVALID_DN_SYNTAX:
+ res = "TLDAP_INVALID_DN_SYNTAX";
+ break;
+ case TLDAP_IS_LEAF:
+ res = "TLDAP_IS_LEAF";
+ break;
+ case TLDAP_ALIAS_DEREF_PROBLEM:
+ res = "TLDAP_ALIAS_DEREF_PROBLEM";
+ break;
+ case TLDAP_INAPPROPRIATE_AUTH:
+ res = "TLDAP_INAPPROPRIATE_AUTH";
+ break;
+ case TLDAP_INVALID_CREDENTIALS:
+ res = "TLDAP_INVALID_CREDENTIALS";
+ break;
+ case TLDAP_INSUFFICIENT_ACCESS:
+ res = "TLDAP_INSUFFICIENT_ACCESS";
+ break;
+ case TLDAP_BUSY:
+ res = "TLDAP_BUSY";
+ break;
+ case TLDAP_UNAVAILABLE:
+ res = "TLDAP_UNAVAILABLE";
+ break;
+ case TLDAP_UNWILLING_TO_PERFORM:
+ res = "TLDAP_UNWILLING_TO_PERFORM";
+ break;
+ case TLDAP_LOOP_DETECT:
+ res = "TLDAP_LOOP_DETECT";
+ break;
+ case TLDAP_NAMING_VIOLATION:
+ res = "TLDAP_NAMING_VIOLATION";
+ break;
+ case TLDAP_OBJECT_CLASS_VIOLATION:
+ res = "TLDAP_OBJECT_CLASS_VIOLATION";
+ break;
+ case TLDAP_NOT_ALLOWED_ON_NONLEAF:
+ res = "TLDAP_NOT_ALLOWED_ON_NONLEAF";
+ break;
+ case TLDAP_NOT_ALLOWED_ON_RDN:
+ res = "TLDAP_NOT_ALLOWED_ON_RDN";
+ break;
+ case TLDAP_ALREADY_EXISTS:
+ res = "TLDAP_ALREADY_EXISTS";
+ break;
+ case TLDAP_NO_OBJECT_CLASS_MODS:
+ res = "TLDAP_NO_OBJECT_CLASS_MODS";
+ break;
+ case TLDAP_RESULTS_TOO_LARGE:
+ res = "TLDAP_RESULTS_TOO_LARGE";
+ break;
+ case TLDAP_AFFECTS_MULTIPLE_DSAS:
+ res = "TLDAP_AFFECTS_MULTIPLE_DSAS";
+ break;
+ case TLDAP_OTHER:
+ res = "TLDAP_OTHER";
+ break;
+ case TLDAP_SERVER_DOWN:
+ res = "TLDAP_SERVER_DOWN";
+ break;
+ case TLDAP_LOCAL_ERROR:
+ res = "TLDAP_LOCAL_ERROR";
+ break;
+ case TLDAP_ENCODING_ERROR:
+ res = "TLDAP_ENCODING_ERROR";
+ break;
+ case TLDAP_DECODING_ERROR:
+ res = "TLDAP_DECODING_ERROR";
+ break;
+ case TLDAP_TIMEOUT:
+ res = "TLDAP_TIMEOUT";
+ break;
+ case TLDAP_AUTH_UNKNOWN:
+ res = "TLDAP_AUTH_UNKNOWN";
+ break;
+ case TLDAP_FILTER_ERROR:
+ res = "TLDAP_FILTER_ERROR";
+ break;
+ case TLDAP_USER_CANCELLED:
+ res = "TLDAP_USER_CANCELLED";
+ break;
+ case TLDAP_PARAM_ERROR:
+ res = "TLDAP_PARAM_ERROR";
+ break;
+ case TLDAP_NO_MEMORY:
+ res = "TLDAP_NO_MEMORY";
+ break;
+ case TLDAP_CONNECT_ERROR:
+ res = "TLDAP_CONNECT_ERROR";
+ break;
+ case TLDAP_NOT_SUPPORTED:
+ res = "TLDAP_NOT_SUPPORTED";
+ break;
+ case TLDAP_CONTROL_NOT_FOUND:
+ res = "TLDAP_CONTROL_NOT_FOUND";
+ break;
+ case TLDAP_NO_RESULTS_RETURNED:
+ res = "TLDAP_NO_RESULTS_RETURNED";
+ break;
+ case TLDAP_MORE_RESULTS_TO_RETURN:
+ res = "TLDAP_MORE_RESULTS_TO_RETURN";
+ break;
+ case TLDAP_CLIENT_LOOP:
+ res = "TLDAP_CLIENT_LOOP";
+ break;
+ case TLDAP_REFERRAL_LIMIT_EXCEEDED:
+ res = "TLDAP_REFERRAL_LIMIT_EXCEEDED";
+ break;
+ default:
+ res = talloc_asprintf(talloc_tos(), "Unknown LDAP Error (%d)",
+ rc);
+ break;
+ }
+ if (res == NULL) {
+ res = "Unknown LDAP Error";
+ }
+ return res;
+}
git.samba.org / ira / wip.git / commitdiff