diff options
Diffstat (limited to 'source4/libcli/ldap/ldap_controls.c')
| -rw-r--r-- | source4/libcli/ldap/ldap_controls.c | 1229 |
1 files changed, 1229 insertions, 0 deletions
diff --git a/source4/libcli/ldap/ldap_controls.c b/source4/libcli/ldap/ldap_controls.c new file mode 100644 index 0000000000..3b94580033 --- /dev/null +++ b/source4/libcli/ldap/ldap_controls.c @@ -0,0 +1,1229 @@ +/* + Unix SMB/CIFS mplementation. + LDAP protocol helper functions for SAMBA + + Copyright (C) Simo Sorce 2005 + + 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" +#include "lib/util/asn1.h" +#include "libcli/ldap/ldap.h" +#include "lib/ldb/include/ldb.h" + +struct control_handler { + const char *oid; + bool (*decode)(void *mem_ctx, DATA_BLOB in, void **out); + bool (*encode)(void *mem_ctx, void *in, DATA_BLOB *out); +}; + +static bool decode_server_sort_response(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB attr; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_sort_resp_control *lsrc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lsrc = talloc(mem_ctx, struct ldb_sort_resp_control); + if (!lsrc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_enumerated(data, &(lsrc->result))) { + return false; + } + + lsrc->attr_desc = NULL; + if (asn1_peek_tag(data, ASN1_OCTET_STRING)) { + if (!asn1_read_OctetString(data, mem_ctx, &attr)) { + return false; + } + lsrc->attr_desc = talloc_strndup(lsrc, (const char *)attr.data, attr.length); + if (!lsrc->attr_desc) { + return false; + } + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lsrc; + + return true; +} + +static bool decode_server_sort_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB attr; + DATA_BLOB rule; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_server_sort_control **lssc; + int num; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + lssc = NULL; + + for (num = 0; asn1_peek_tag(data, ASN1_SEQUENCE(0)); num++) { + lssc = talloc_realloc(mem_ctx, lssc, struct ldb_server_sort_control *, num + 2); + if (!lssc) { + return false; + } + lssc[num] = talloc_zero(lssc, struct ldb_server_sort_control); + if (!lssc[num]) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_OctetString(data, mem_ctx, &attr)) { + return false; + } + + lssc[num]->attributeName = talloc_strndup(lssc[num], (const char *)attr.data, attr.length); + if (!lssc [num]->attributeName) { + return false; + } + + if (asn1_peek_tag(data, ASN1_OCTET_STRING)) { + if (!asn1_read_OctetString(data, mem_ctx, &rule)) { + return false; + } + lssc[num]->orderingRule = talloc_strndup(lssc[num], (const char *)rule.data, rule.length); + if (!lssc[num]->orderingRule) { + return false; + } + } + + if (asn1_peek_tag(data, ASN1_BOOLEAN)) { + bool reverse; + if (!asn1_read_BOOLEAN(data, &reverse)) { + return false; + } + lssc[num]->reverse = reverse; + } + + if (!asn1_end_tag(data)) { + return false; + } + } + + if (lssc != NULL) { + lssc[num] = NULL; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lssc; + + return true; +} + +static bool decode_extended_dn_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + struct asn1_data *data; + struct ldb_extended_dn_control *ledc; + + /* The content of this control is optional */ + if (in.length == 0) { + *out = NULL; + return true; + } + + data = asn1_init(mem_ctx); + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + ledc = talloc(mem_ctx, struct ldb_extended_dn_control); + if (!ledc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(ledc->type))) { + return false; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = ledc; + + return true; +} + +static bool decode_sd_flags_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_sd_flags_control *lsdfc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lsdfc = talloc(mem_ctx, struct ldb_sd_flags_control); + if (!lsdfc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(lsdfc->secinfo_flags))) { + return false; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lsdfc; + + return true; +} + +static bool decode_search_options_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_search_options_control *lsoc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lsoc = talloc(mem_ctx, struct ldb_search_options_control); + if (!lsoc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(lsoc->search_options))) { + return false; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lsoc; + + return true; +} + +static bool decode_paged_results_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB cookie; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_paged_control *lprc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lprc = talloc(mem_ctx, struct ldb_paged_control); + if (!lprc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(lprc->size))) { + return false; + } + + if (!asn1_read_OctetString(data, mem_ctx, &cookie)) { + return false; + } + lprc->cookie_len = cookie.length; + if (lprc->cookie_len) { + lprc->cookie = talloc_memdup(lprc, cookie.data, cookie.length); + + if (!(lprc->cookie)) { + return false; + } + } else { + lprc->cookie = NULL; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lprc; + + return true; +} + +static bool decode_dirsync_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB cookie; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_dirsync_control *ldc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + ldc = talloc(mem_ctx, struct ldb_dirsync_control); + if (!ldc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(ldc->flags))) { + return false; + } + + if (!asn1_read_Integer(data, &(ldc->max_attributes))) { + return false; + } + + if (!asn1_read_OctetString(data, mem_ctx, &cookie)) { + return false; + } + ldc->cookie_len = cookie.length; + if (ldc->cookie_len) { + ldc->cookie = talloc_memdup(ldc, cookie.data, cookie.length); + + if (!(ldc->cookie)) { + return false; + } + } else { + ldc->cookie = NULL; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = ldc; + + return true; +} + +/* seem that this controls has 2 forms one in case it is used with + * a Search Request and another when used ina Search Response + */ +static bool decode_asq_control(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB source_attribute; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_asq_control *lac; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lac = talloc(mem_ctx, struct ldb_asq_control); + if (!lac) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (asn1_peek_tag(data, ASN1_OCTET_STRING)) { + + if (!asn1_read_OctetString(data, mem_ctx, &source_attribute)) { + return false; + } + lac->src_attr_len = source_attribute.length; + if (lac->src_attr_len) { + lac->source_attribute = talloc_strndup(lac, (const char *)source_attribute.data, source_attribute.length); + + if (!(lac->source_attribute)) { + return false; + } + } else { + lac->source_attribute = NULL; + } + + lac->request = 1; + + } else if (asn1_peek_tag(data, ASN1_ENUMERATED)) { + + if (!asn1_read_enumerated(data, &(lac->result))) { + return false; + } + + lac->request = 0; + + } else { + return false; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lac; + + return true; +} + +static bool decode_domain_scope_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + if (in.length != 0) { + return false; + } + + return true; +} + +static bool decode_notification_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + if (in.length != 0) { + return false; + } + + return true; +} + +static bool decode_show_deleted_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + if (in.length != 0) { + return false; + } + + return true; +} + +static bool decode_permissive_modify_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + if (in.length != 0) { + return false; + } + + return true; +} + +static bool decode_manageDSAIT_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + if (in.length != 0) { + return false; + } + + return true; +} + +static bool decode_vlv_request(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB assertion_value, context_id; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_vlv_req_control *lvrc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lvrc = talloc(mem_ctx, struct ldb_vlv_req_control); + if (!lvrc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(lvrc->beforeCount))) { + return false; + } + + if (!asn1_read_Integer(data, &(lvrc->afterCount))) { + return false; + } + + if (asn1_peek_tag(data, ASN1_CONTEXT(0))) { + + lvrc->type = 0; + + if (!asn1_start_tag(data, ASN1_CONTEXT(0))) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(lvrc->match.byOffset.offset))) { + return false; + } + + if (!asn1_read_Integer(data, &(lvrc->match.byOffset.contentCount))) { + return false; + } + + if (!asn1_end_tag(data)) { /*SEQUENCE*/ + return false; + } + + if (!asn1_end_tag(data)) { /*CONTEXT*/ + return false; + } + + } else { + + lvrc->type = 1; + + if (!asn1_start_tag(data, ASN1_CONTEXT(1))) { + return false; + } + + if (!asn1_read_OctetString(data, mem_ctx, &assertion_value)) { + return false; + } + lvrc->match.gtOrEq.value_len = assertion_value.length; + if (lvrc->match.gtOrEq.value_len) { + lvrc->match.gtOrEq.value = talloc_memdup(lvrc, assertion_value.data, assertion_value.length); + + if (!(lvrc->match.gtOrEq.value)) { + return false; + } + } else { + lvrc->match.gtOrEq.value = NULL; + } + + if (!asn1_end_tag(data)) { /*CONTEXT*/ + return false; + } + } + + if (asn1_peek_tag(data, ASN1_OCTET_STRING)) { + if (!asn1_read_OctetString(data, mem_ctx, &context_id)) { + return false; + } + lvrc->ctxid_len = context_id.length; + if (lvrc->ctxid_len) { + lvrc->contextId = talloc_memdup(lvrc, context_id.data, context_id.length); + + if (!(lvrc->contextId)) { + return false; + } + } else { + lvrc->contextId = NULL; + } + } else { + lvrc->contextId = NULL; + lvrc->ctxid_len = 0; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lvrc; + + return true; +} + +static bool decode_vlv_response(void *mem_ctx, DATA_BLOB in, void **out) +{ + DATA_BLOB context_id; + struct asn1_data *data = asn1_init(mem_ctx); + struct ldb_vlv_resp_control *lvrc; + + if (!data) return false; + + if (!asn1_load(data, in)) { + return false; + } + + lvrc = talloc(mem_ctx, struct ldb_vlv_resp_control); + if (!lvrc) { + return false; + } + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_Integer(data, &(lvrc->targetPosition))) { + return false; + } + + if (!asn1_read_Integer(data, &(lvrc->contentCount))) { + return false; + } + + if (!asn1_read_enumerated(data, &(lvrc->vlv_result))) { + return false; + } + + if (asn1_peek_tag(data, ASN1_OCTET_STRING)) { + if (!asn1_read_OctetString(data, mem_ctx, &context_id)) { + return false; + } + lvrc->contextId = talloc_strndup(lvrc, (const char *)context_id.data, context_id.length); + if (!lvrc->contextId) { + return false; + } + lvrc->ctxid_len = context_id.length; + } else { + lvrc->contextId = NULL; + lvrc->ctxid_len = 0; + } + + if (!asn1_end_tag(data)) { + return false; + } + + *out = lvrc; + + return true; +} + +static bool encode_server_sort_response(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_sort_resp_control *lsrc = talloc_get_type(in, struct ldb_sort_resp_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_enumerated(data, lsrc->result)) { + return false; + } + + if (lsrc->attr_desc) { + if (!asn1_write_OctetString(data, lsrc->attr_desc, strlen(lsrc->attr_desc))) { + return false; + } + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_server_sort_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_server_sort_control **lssc = talloc_get_type(in, struct ldb_server_sort_control *); + struct asn1_data *data = asn1_init(mem_ctx); + int num; + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + for (num = 0; lssc[num]; num++) { + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_OctetString(data, lssc[num]->attributeName, strlen(lssc[num]->attributeName))) { + return false; + } + + if (lssc[num]->orderingRule) { + if (!asn1_write_OctetString(data, lssc[num]->orderingRule, strlen(lssc[num]->orderingRule))) { + return false; + } + } + + if (lssc[num]->reverse) { + if (!asn1_write_BOOLEAN(data, lssc[num]->reverse)) { + return false; + } + } + + if (!asn1_pop_tag(data)) { + return false; + } + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_extended_dn_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_extended_dn_control *ledc = talloc_get_type(in, struct ldb_extended_dn_control); + struct asn1_data *data; + + if (!in) { + *out = data_blob(NULL, 0); + return true; + } + + data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, ledc->type)) { + return false; + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_sd_flags_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_sd_flags_control *lsdfc = talloc_get_type(in, struct ldb_sd_flags_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, lsdfc->secinfo_flags)) { + return false; + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_search_options_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_search_options_control *lsoc = talloc_get_type(in, struct ldb_search_options_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, lsoc->search_options)) { + return false; + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_paged_results_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_paged_control *lprc = talloc_get_type(in, struct ldb_paged_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, lprc->size)) { + return false; + } + + if (!asn1_write_OctetString(data, lprc->cookie, lprc->cookie_len)) { + return false; + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +/* seem that this controls has 2 forms one in case it is used with + * a Search Request and another when used ina Search Response + */ +static bool encode_asq_control(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_asq_control *lac = talloc_get_type(in, struct ldb_asq_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (lac->request) { + + if (!asn1_write_OctetString(data, lac->source_attribute, lac->src_attr_len)) { + return false; + } + } else { + if (!asn1_write_enumerated(data, lac->result)) { + return false; + } + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_dirsync_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_dirsync_control *ldc = talloc_get_type(in, struct ldb_dirsync_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, ldc->flags)) { + return false; + } + + if (!asn1_write_Integer(data, ldc->max_attributes)) { + return false; + } + + if (!asn1_write_OctetString(data, ldc->cookie, ldc->cookie_len)) { + return false; + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_domain_scope_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + if (in) { + return false; + } + + *out = data_blob(NULL, 0); + return true; +} + +static bool encode_notification_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + if (in) { + return false; + } + + *out = data_blob(NULL, 0); + return true; +} + +static bool encode_show_deleted_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + if (in) { + return false; + } + + *out = data_blob(NULL, 0); + return true; +} + +static bool encode_permissive_modify_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + if (in) { + return false; + } + + *out = data_blob(NULL, 0); + return true; +} + +static bool encode_manageDSAIT_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + if (in) { + return false; + } + + *out = data_blob(NULL, 0); + return true; +} + +static bool encode_vlv_request(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_vlv_req_control *lvrc = talloc_get_type(in, struct ldb_vlv_req_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, lvrc->beforeCount)) { + return false; + } + + if (!asn1_write_Integer(data, lvrc->afterCount)) { + return false; + } + + if (lvrc->type == 0) { + if (!asn1_push_tag(data, ASN1_CONTEXT(0))) { + return false; + } + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, lvrc->match.byOffset.offset)) { + return false; + } + + if (!asn1_write_Integer(data, lvrc->match.byOffset.contentCount)) { + return false; + } + + if (!asn1_pop_tag(data)) { /*SEQUENCE*/ + return false; + } + + if (!asn1_pop_tag(data)) { /*CONTEXT*/ + return false; + } + } else { + if (!asn1_push_tag(data, ASN1_CONTEXT(1))) { + return false; + } + + if (!asn1_write_OctetString(data, lvrc->match.gtOrEq.value, lvrc->match.gtOrEq.value_len)) { + return false; + } + + if (!asn1_pop_tag(data)) { /*CONTEXT*/ + return false; + } + } + + if (lvrc->ctxid_len) { + if (!asn1_write_OctetString(data, lvrc->contextId, lvrc->ctxid_len)) { + return false; + } + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +static bool encode_vlv_response(void *mem_ctx, void *in, DATA_BLOB *out) +{ + struct ldb_vlv_resp_control *lvrc = talloc_get_type(in, struct ldb_vlv_resp_control); + struct asn1_data *data = asn1_init(mem_ctx); + + if (!data) return false; + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_Integer(data, lvrc->targetPosition)) { + return false; + } + + if (!asn1_write_Integer(data, lvrc->contentCount)) { + return false; + } + + if (!asn1_write_enumerated(data, lvrc->vlv_result)) { + return false; + } + + if (lvrc->ctxid_len) { + if (!asn1_write_OctetString(data, lvrc->contextId, lvrc->ctxid_len)) { + return false; + } + } + + if (!asn1_pop_tag(data)) { + return false; + } + + *out = data_blob_talloc(mem_ctx, data->data, data->length); + if (out->data == NULL) { + return false; + } + talloc_free(data); + + return true; +} + +struct control_handler ldap_known_controls[] = { + { "1.2.840.113556.1.4.319", decode_paged_results_request, encode_paged_results_request }, + { "1.2.840.113556.1.4.529", decode_extended_dn_request, encode_extended_dn_request }, + { "1.2.840.113556.1.4.473", decode_server_sort_request, encode_server_sort_request }, + { "1.2.840.113556.1.4.474", decode_server_sort_response, encode_server_sort_response }, + { "1.2.840.113556.1.4.1504", decode_asq_control, encode_asq_control }, + { "1.2.840.113556.1.4.841", decode_dirsync_request, encode_dirsync_request }, + { "1.2.840.113556.1.4.528", decode_notification_request, encode_notification_request }, + { "1.2.840.113556.1.4.417", decode_show_deleted_request, encode_show_deleted_request }, + { "1.2.840.113556.1.4.1413", decode_permissive_modify_request, encode_permissive_modify_request }, + { "1.2.840.113556.1.4.801", decode_sd_flags_request, encode_sd_flags_request }, + { "1.2.840.113556.1.4.1339", decode_domain_scope_request, encode_domain_scope_request }, + { "1.2.840.113556.1.4.1340", decode_search_options_request, encode_search_options_request }, + { "2.16.840.1.113730.3.4.2", decode_manageDSAIT_request, encode_manageDSAIT_request }, + { "2.16.840.1.113730.3.4.9", decode_vlv_request, encode_vlv_request }, + { "2.16.840.1.113730.3.4.10", decode_vlv_response, encode_vlv_response }, +/* DSDB_CONTROL_CURRENT_PARTITION_OID is internal only, and has no network representation */ + { "1.3.6.1.4.1.7165.4.3.2", NULL, NULL }, +/* DSDB_EXTENDED_REPLICATED_OBJECTS_OID is internal only, and has no network representation */ + { "1.3.6.1.4.1.7165.4.4.1", NULL, NULL }, + { NULL, NULL, NULL } +}; + +bool ldap_decode_control_value(void *mem_ctx, DATA_BLOB value, struct ldb_control *ctrl) +{ + int i; + + for (i = 0; ldap_known_controls[i].oid != NULL; i++) { + if (strcmp(ldap_known_controls[i].oid, ctrl->oid) == 0) { + if (!ldap_known_controls[i].decode || !ldap_known_controls[i].decode(mem_ctx, value, &ctrl->data)) { + return false; + } + break; + } + } + if (ldap_known_controls[i].oid == NULL) { + return false; + } + + return true; +} + +bool ldap_decode_control_wrapper(void *mem_ctx, struct asn1_data *data, struct ldb_control *ctrl, DATA_BLOB *value) +{ + DATA_BLOB oid; + + if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_read_OctetString(data, mem_ctx, &oid)) { + return false; + } + ctrl->oid = talloc_strndup(mem_ctx, (char *)oid.data, oid.length); + if (!ctrl->oid) { + return false; + } + + if (asn1_peek_tag(data, ASN1_BOOLEAN)) { + bool critical; + if (!asn1_read_BOOLEAN(data, &critical)) { + return false; + } + ctrl->critical = critical; + } else { + ctrl->critical = false; + } + + ctrl->data = NULL; + + if (!asn1_peek_tag(data, ASN1_OCTET_STRING)) { + *value = data_blob(NULL, 0); + goto end_tag; + } + + if (!asn1_read_OctetString(data, mem_ctx, value)) { + return false; + } + +end_tag: + if (!asn1_end_tag(data)) { + return false; + } + + return true; +} + +bool ldap_encode_control(void *mem_ctx, struct asn1_data *data, struct ldb_control *ctrl) +{ + DATA_BLOB value; + int i; + + for (i = 0; ldap_known_controls[i].oid != NULL; i++) { + if (strcmp(ldap_known_controls[i].oid, ctrl->oid) == 0) { + if (!ldap_known_controls[i].encode) { + if (ctrl->critical) { + return false; + } else { + /* not encoding this control */ + return true; + } + } + if (!ldap_known_controls[i].encode(mem_ctx, ctrl->data, &value)) { + return false; + } + break; + } + } + if (ldap_known_controls[i].oid == NULL) { + return false; + } + + if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { + return false; + } + + if (!asn1_write_OctetString(data, ctrl->oid, strlen(ctrl->oid))) { + return false; + } + + if (ctrl->critical) { + if (!asn1_write_BOOLEAN(data, ctrl->critical)) { + return false; + } + } + + if (!ctrl->data) { + goto pop_tag; + } + + if (!asn1_write_OctetString(data, value.data, value.length)) { + return false; + } + +pop_tag: + if (!asn1_pop_tag(data)) { + return false; + } + + return true; +} |