diff options
Diffstat (limited to 'source3/lib/tldap.c')
| -rw-r--r-- | source3/lib/tldap.c | 1835 |
1 files changed, 1835 insertions, 0 deletions
diff --git a/source3/lib/tldap.c b/source3/lib/tldap.c new file mode 100644 index 0000000000..2012441d98 --- /dev/null +++ b/source3/lib/tldap.c @@ -0,0 +1,1835 @@ +/* + 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; +} |