s4/drs: dsdb_map_oid2int() replaced by dsdb_schema_pfm_make_attid()

[Samba/fernandojvsilva.git] / source4 / dsdb / schema / schema_init.c

/* 
   Unix SMB/CIFS mplementation.
   DSDB schema header
   
   Copyright (C) Stefan Metzmacher <metze@samba.org> 2006-2007
   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006-2008

   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 "dsdb/samdb/samdb.h"
#include "lib/ldb/include/ldb_errors.h"
#include "../lib/util/dlinklist.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "param/param.h"
#include "lib/ldb/include/ldb_module.h"
#include "../lib/util/asn1.h"

static WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes);

struct dsdb_schema *dsdb_new_schema(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
{
        struct dsdb_schema *schema = talloc_zero(mem_ctx, struct dsdb_schema);
        if (!schema) {
                return NULL;
        }

        schema->iconv_convenience = iconv_convenience;
        return schema;
}


WERROR dsdb_load_prefixmap_from_drsuapi(struct dsdb_schema *schema,
                                        const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
{
        WERROR werr;
        const char *schema_info;
        struct dsdb_schema_prefixmap *pfm;

        werr = dsdb_schema_pfm_from_drsuapi_pfm(ctr, schema, &pfm, &schema_info);
        W_ERROR_NOT_OK_RETURN(werr);

        /* set loaded prefixMap */
        talloc_free(schema->prefixmap);
        schema->prefixmap = pfm;

        talloc_free(discard_const(schema->schema_info));
        schema->schema_info = schema_info;

        return WERR_OK;
}

WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
                                  const struct ldb_val *prefixMap,
                                  const struct ldb_val *schemaInfo)
{
        WERROR status;
        enum ndr_err_code ndr_err;
        struct prefixMapBlob pfm;
        DATA_BLOB schema_info_blob;

        TALLOC_CTX *mem_ctx = talloc_new(schema);
        W_ERROR_HAVE_NO_MEMORY(mem_ctx);
        
        ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
                talloc_free(mem_ctx);
                return ntstatus_to_werror(nt_status);
        }

        if (pfm.version != PREFIX_MAP_VERSION_DSDB) {
                talloc_free(mem_ctx);
                return WERR_FOOBAR;
        }

        if (schemaInfo->length != 21 && schemaInfo->data[0] == 0xFF) {
                talloc_free(mem_ctx);
                return WERR_FOOBAR;
        }

        /* append the schema info as last element */
        pfm.ctr.dsdb.num_mappings++;
        pfm.ctr.dsdb.mappings = talloc_realloc(mem_ctx, pfm.ctr.dsdb.mappings,
                                               struct drsuapi_DsReplicaOIDMapping,
                                               pfm.ctr.dsdb.num_mappings);
        W_ERROR_HAVE_NO_MEMORY(pfm.ctr.dsdb.mappings);

        schema_info_blob = data_blob_dup_talloc(pfm.ctr.dsdb.mappings, schemaInfo);
        W_ERROR_HAVE_NO_MEMORY(schema_info_blob.data);

        pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].id_prefix          = 0;    
        pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.length         = schemaInfo->length;
        pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.binary_oid     = schema_info_blob.data;

        /* call the drsuapi version */
        status = dsdb_load_prefixmap_from_drsuapi(schema, &pfm.ctr.dsdb);
        talloc_free(mem_ctx);

        W_ERROR_NOT_OK_RETURN(status);

        return WERR_OK;
}

WERROR dsdb_get_oid_mappings_drsuapi(const struct dsdb_schema *schema,
                                     bool include_schema_info,
                                     TALLOC_CTX *mem_ctx,
                                     struct drsuapi_DsReplicaOIDMapping_Ctr **_ctr)
{
        return dsdb_drsuapi_pfm_from_schema_pfm(schema->prefixmap,
                                                include_schema_info ? schema->schema_info : NULL,
                                                mem_ctx, _ctr);
}

WERROR dsdb_get_oid_mappings_ldb(const struct dsdb_schema *schema,
                                 TALLOC_CTX *mem_ctx,
                                 struct ldb_val *prefixMap,
                                 struct ldb_val *schemaInfo)
{
        WERROR status;
        enum ndr_err_code ndr_err;
        struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
        struct prefixMapBlob pfm;

        status = dsdb_get_oid_mappings_drsuapi(schema, false, mem_ctx, &ctr);
        W_ERROR_NOT_OK_RETURN(status);

        pfm.version     = PREFIX_MAP_VERSION_DSDB;
        pfm.reserved    = 0;
        pfm.ctr.dsdb    = *ctr;

        ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
        talloc_free(ctr);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
                return ntstatus_to_werror(nt_status);
        }

        *schemaInfo = strhex_to_data_blob(mem_ctx, schema->schema_info);
        W_ERROR_HAVE_NO_MEMORY(schemaInfo->data);

        return WERR_OK;
}


WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
{
        uint32_t i;

        for (i=0; i < schema->num_prefixes; i++) {
                const char *val;
                if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
                        continue;
                }

                val = talloc_asprintf(mem_ctx, "%s.%u",
                                      schema->prefixes[i].oid,
                                      in & 0xFFFF);
                W_ERROR_HAVE_NO_MEMORY(val);

                *out = val;
                return WERR_OK;
        }

        return WERR_DS_NO_MSDS_INTID;
}

/*
 * this function is called from within a ldb transaction from the schema_fsmo module
 */
WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
{
        WERROR status;
        uint32_t num_prefixes;
        struct dsdb_schema_oid_prefix *prefixes;
        TALLOC_CTX *mem_ctx;
        uint32_t out;

        mem_ctx = talloc_new(ldb);
        W_ERROR_HAVE_NO_MEMORY(mem_ctx);

        /* Read prefixes from disk*/
        status = dsdb_read_prefixes_from_ldb( mem_ctx, ldb, &num_prefixes, &prefixes ); 
        if (!W_ERROR_IS_OK(status)) {
                DEBUG(0,("dsdb_create_prefix_mapping: dsdb_read_prefixes_from_ldb: %s\n",
                        win_errstr(status)));
                talloc_free(mem_ctx);
                return status;
        }

        /* Check if there is a prefix for the oid in the prefixes array*/
        status = dsdb_find_prefix_for_oid( num_prefixes, prefixes, full_oid, &out ); 
        if (W_ERROR_IS_OK(status)) {
                /* prefix found*/
                talloc_free(mem_ctx);
                return status;
        } else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) {
                /* error */
                DEBUG(0,("dsdb_create_prefix_mapping: dsdb_find_prefix_for_oid: %s\n",
                        win_errstr(status)));
                talloc_free(mem_ctx);
                return status;
        }

        /* Create the new mapping for the prefix of full_oid */
        status = dsdb_prefix_map_update(mem_ctx, &num_prefixes, &prefixes, full_oid);
        if (!W_ERROR_IS_OK(status)) {
                DEBUG(0,("dsdb_create_prefix_mapping: dsdb_prefix_map_update: %s\n",
                        win_errstr(status)));
                talloc_free(mem_ctx);
                return status;
        }

        talloc_free(schema->prefixes);
        schema->prefixes = talloc_steal(schema, prefixes);
        schema->num_prefixes = num_prefixes;

        /* Update prefixMap in ldb*/
        status = dsdb_write_prefixes_from_schema_to_ldb(mem_ctx, ldb, schema);
        if (!W_ERROR_IS_OK(status)) {
                DEBUG(0,("dsdb_create_prefix_mapping: dsdb_write_prefixes_to_ldb: %s\n",
                        win_errstr(status)));
                talloc_free(mem_ctx);
                return status;
        }

        DEBUG(2,(__location__ " Added prefixMap %s - now have %u prefixes\n",
                 full_oid, num_prefixes));

        talloc_free(mem_ctx);
        return status;
}

WERROR dsdb_prefix_map_update(TALLOC_CTX *mem_ctx, uint32_t *num_prefixes, struct dsdb_schema_oid_prefix **prefixes, const char *oid)
{
        uint32_t new_num_prefixes, index_new_prefix, new_entry_id;
        const char* lastDotOffset;
        size_t size;
        
        new_num_prefixes = *num_prefixes + 1;
        index_new_prefix = *num_prefixes;

        /*
         * this is the algorithm we use to create new mappings for now
         *
         * TODO: find what algorithm windows use
         */
        new_entry_id = (*num_prefixes)<<16;

        /* Extract the prefix from the oid*/
        lastDotOffset = strrchr(oid, '.');
        if (lastDotOffset == NULL) {
                DEBUG(0,("dsdb_prefix_map_update: failed to find the last dot\n"));
                return WERR_NOT_FOUND;
        }

        /* Calculate the size of the remainig string that should be the prefix of it */
        size = strlen(oid) - strlen(lastDotOffset);
        if (size <= 0) {
                DEBUG(0,("dsdb_prefix_map_update: size of the remaining string invalid\n"));
                return WERR_FOOBAR;
        }

        /* Create a spot in the prefixMap for one more prefix*/
        (*prefixes) = talloc_realloc(mem_ctx, *prefixes, struct dsdb_schema_oid_prefix, new_num_prefixes);
        W_ERROR_HAVE_NO_MEMORY(*prefixes);

        /* Add the new prefix entry*/
        (*prefixes)[index_new_prefix].id = new_entry_id;
        (*prefixes)[index_new_prefix].oid = talloc_strndup(mem_ctx, oid, size);
        (*prefixes)[index_new_prefix].oid_len = strlen((*prefixes)[index_new_prefix].oid);

        /* Increase num_prefixes because new prefix has been added */
        ++(*num_prefixes);

        return WERR_OK;
}

WERROR dsdb_find_prefix_for_oid(uint32_t num_prefixes, const struct dsdb_schema_oid_prefix *prefixes, const char *in, uint32_t *out)
{
        uint32_t i;
        char *oid_prefix;
        char *pstr;
        char *end_str;
        unsigned val;

        /* make oid prefix, i.e. oid w/o last subidentifier */
        pstr = strrchr(in, '.');
        if (!pstr)      return WERR_INVALID_PARAM;
        if (pstr < in)  return WERR_INVALID_PARAM;
        if ((pstr - in) < 4) return WERR_INVALID_PARAM;

        oid_prefix = talloc_strndup(0, in, pstr - in);

        for (i=0; i < num_prefixes; i++) {
                if (strcmp(prefixes[i].oid, oid_prefix) == 0) {
                        break;
                }
        }

        talloc_free(oid_prefix);

        if (i < num_prefixes) {
                /* move next to '.' char */
                pstr++;

                val = strtoul(pstr, &end_str, 10);
                if (end_str[0] != '\0') {
                        return WERR_INVALID_PARAM;
                } else if (val > 0xFFFF) {
                        return WERR_INVALID_PARAM;
                }

                *out = prefixes[i].id | val;
                return WERR_OK;
        }

        DEBUG(5,(__location__ " Failed to find oid %s - have %u prefixes\n", in, num_prefixes));

        return WERR_DS_NO_MSDS_INTID;
}

WERROR dsdb_write_prefixes_from_schema_to_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
                                                     const struct dsdb_schema *schema)
{
        struct ldb_message *msg = ldb_msg_new(mem_ctx);
        struct ldb_dn *schema_dn;
        struct prefixMapBlob pm;
        struct ldb_val ndr_blob;
        enum ndr_err_code ndr_err;
        uint32_t i;
        int ret;

        if (!msg) {
                return WERR_NOMEM;
        }
        
        schema_dn = samdb_schema_dn(ldb);
        if (!schema_dn) {
                DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: no schema dn present\n"));    
                return WERR_FOOBAR;
        }

        pm.version                      = PREFIX_MAP_VERSION_DSDB;
        pm.ctr.dsdb.num_mappings        = schema->num_prefixes;
        pm.ctr.dsdb.mappings            = talloc_array(msg,
                                                struct drsuapi_DsReplicaOIDMapping,
                                                pm.ctr.dsdb.num_mappings);
        if (!pm.ctr.dsdb.mappings) {
                talloc_free(msg);
                return WERR_NOMEM;
        }

        for (i=0; i < schema->num_prefixes; i++) {
                DATA_BLOB oid_blob;

                if (!ber_write_partial_OID_String(pm.ctr.dsdb.mappings, &oid_blob, schema->prefixes[i].oid)) {
                        DEBUG(0, ("write_partial_OID failed for %s", schema->prefixes[i].oid));
                        return WERR_INTERNAL_ERROR;
                }

                pm.ctr.dsdb.mappings[i].id_prefix       = schema->prefixes[i].id>>16;
                pm.ctr.dsdb.mappings[i].oid.length      = oid_blob.length;
                pm.ctr.dsdb.mappings[i].oid.binary_oid  = oid_blob.data;
        }

        ndr_err = ndr_push_struct_blob(&ndr_blob, msg,
                                       lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
                                       &pm,
                                       (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                talloc_free(msg);
                return WERR_FOOBAR;
        }
 
        msg->dn = schema_dn;
        ret = ldb_msg_add_value(msg, "prefixMap", &ndr_blob, NULL);
        if (ret != 0) {
                talloc_free(msg);
                DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: ldb_msg_add_value failed\n"));        
                return WERR_NOMEM;
        }
 
        ret = samdb_replace( ldb, msg, msg );
        talloc_free(msg);

        if (ret != 0) {
                DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: samdb_replace failed\n"));    
                return WERR_FOOBAR;
        }
 
        return WERR_OK;
}

static WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
{
        struct prefixMapBlob *blob;
        enum ndr_err_code ndr_err;
        uint32_t i;
        const struct ldb_val *prefix_val;
        struct ldb_dn *schema_dn;
        struct ldb_result *schema_res = NULL;
        int ret;    
        static const char *schema_attrs[] = {
                "prefixMap",
                NULL
        };

        schema_dn = samdb_schema_dn(ldb);
        if (!schema_dn) {
                DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
                return WERR_FOOBAR;
        }

        ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
        if (ret == LDB_ERR_NO_SUCH_OBJECT) {
                DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
                talloc_free(schema_res);
                return WERR_FOOBAR;
        } else if (ret != LDB_SUCCESS) {
                DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
                talloc_free(schema_res);
                return WERR_FOOBAR;
        }

        prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
        if (!prefix_val) {
                DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
                talloc_free(schema_res);
                return WERR_FOOBAR;
        }

        blob = talloc(mem_ctx, struct prefixMapBlob);
        W_ERROR_HAVE_NO_MEMORY(blob);

        ndr_err = ndr_pull_struct_blob(prefix_val, blob, 
                                           lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), 
                                           blob,
                                           (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
                talloc_free(blob);
                talloc_free(schema_res);
                return WERR_FOOBAR;
        }

        talloc_free(schema_res);

        if (blob->version != PREFIX_MAP_VERSION_DSDB) {
                DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
                talloc_free(blob);
                return WERR_FOOBAR;
        }
        
        *num_prefixes = blob->ctr.dsdb.num_mappings;
        *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
        if(!(*prefixes)) {
                talloc_free(blob);
                return WERR_NOMEM;
        }
        for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
                DATA_BLOB oid_blob;
                const char *partial_oid;

                oid_blob = data_blob_const(blob->ctr.dsdb.mappings[i].oid.binary_oid,
                                           blob->ctr.dsdb.mappings[i].oid.length);

                if (!ber_read_partial_OID_String(mem_ctx, oid_blob, &partial_oid)) {
                        DEBUG(0, ("ber_read_partial_OID failed on prefixMap item with id: 0x%X",
                                        blob->ctr.dsdb.mappings[i].id_prefix));
                        talloc_free(blob);
                        return WERR_INVALID_PARAM;
                }

                (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
                (*prefixes)[i].oid = partial_oid;
                (*prefixes)[i].oid_len = strlen((*prefixes)[i].oid);
        }

        talloc_free(blob);
        return WERR_OK;
}

/*
  this will be replaced with something that looks at the right part of
  the schema once we know where unique indexing information is hidden
 */
static bool dsdb_schema_unique_attribute(const char *attr)
{
        const char *attrs[] = { "objectGUID", "objectSID" , NULL };
        int i;
        for (i=0;attrs[i];i++) {
                if (strcasecmp(attr, attrs[i]) == 0) {
                        return true;
                }
        }
        return false;
}


/*
  setup the ldb_schema_attribute field for a dsdb_attribute
 */
static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb, 
                                                  struct dsdb_attribute *attr)
{
        const char *syntax = attr->syntax->ldb_syntax;
        const struct ldb_schema_syntax *s;
        struct ldb_schema_attribute *a;

        if (!syntax) {
                syntax = attr->syntax->ldap_oid;
        }

        s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
        if (s == NULL) {
                s = ldb_samba_syntax_by_name(ldb, syntax);
        }
        if (s == NULL) {
                s = ldb_standard_syntax_by_name(ldb, syntax);
        }

        if (s == NULL) {
                return LDB_ERR_OPERATIONS_ERROR;                
        }

        attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
        if (attr->ldb_schema_attribute == NULL) {
                ldb_oom(ldb);
                return LDB_ERR_OPERATIONS_ERROR;
        }

        a->name = attr->lDAPDisplayName;
        a->flags = 0;
        a->syntax = s;

        if (dsdb_schema_unique_attribute(a->name)) {
                a->flags |= LDB_ATTR_FLAG_UNIQUE_INDEX;
        }
        if (attr->isSingleValued) {
                a->flags |= LDB_ATTR_FLAG_SINGLE_VALUE;
        }
        
        
        return LDB_SUCCESS;
}


#define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
        const struct ldb_val *get_string_val = ldb_msg_find_ldb_val(msg, attr); \
        if (get_string_val == NULL) { \
                if (strict) {                                     \
                        d_printf("%s: %s == NULL\n", __location__, attr); \
                        return WERR_INVALID_PARAM;                      \
                } else {                                                \
                        (p)->elem = NULL;                               \
                }                                                       \
        } else {                                                        \
                (p)->elem = talloc_strndup(mem_ctx,                     \
                                           (const char *)get_string_val->data, \
                                           get_string_val->length); \
                if (!(p)->elem) {                                       \
                        d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
                        return WERR_NOMEM;                              \
                }                                                       \
        }                                                               \
} while (0)

#define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
        int get_string_list_counter;                                    \
        struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
        if (get_string_list_el == NULL) {                               \
                if (strict) {                                           \
                        d_printf("%s: %s == NULL\n", __location__, attr); \
                        return WERR_INVALID_PARAM;                      \
                } else {                                                \
                        (p)->elem = NULL;                               \
                        break;                                          \
                }                                                       \
        }                                                               \
        (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
        for (get_string_list_counter=0;                                 \
             get_string_list_counter < get_string_list_el->num_values;  \
             get_string_list_counter++) {                               \
                (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
                                                                    (const char *)get_string_list_el->values[get_string_list_counter].data, \
                                                                    get_string_list_el->values[get_string_list_counter].length); \
                if (!(p)->elem[get_string_list_counter]) {              \
                        d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
                        return WERR_NOMEM;                              \
                }                                                       \
                (p)->elem[get_string_list_counter+1] = NULL;            \
        }                                                               \
        talloc_steal(mem_ctx, (p)->elem);                               \
} while (0)

#define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
        const char *str; \
        str = samdb_result_string(msg, attr, NULL);\
        if (str == NULL) { \
                if (strict) { \
                        d_printf("%s: %s == NULL\n", __location__, attr); \
                        return WERR_INVALID_PARAM; \
                } else { \
                        (p)->elem = false; \
                } \
        } else if (strcasecmp("TRUE", str) == 0) { \
                (p)->elem = true; \
        } else if (strcasecmp("FALSE", str) == 0) { \
                (p)->elem = false; \
        } else { \
                d_printf("%s: %s == %s\n", __location__, attr, str); \
                return WERR_INVALID_PARAM; \
        } \
} while (0)

#define GET_UINT32_LDB(msg, attr, p, elem) do { \
        (p)->elem = samdb_result_uint(msg, attr, 0);\
} while (0)

#define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
        uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
        if (_v == UINT64_MAX) { \
                (p)->elem = NULL; \
        } else if (_v > UINT32_MAX) { \
                d_printf("%s: %s == 0x%llX\n", __location__, \
                         attr, (unsigned long long)_v); \
                return WERR_INVALID_PARAM; \
        } else { \
                (p)->elem = talloc(mem_ctx, uint32_t); \
                if (!(p)->elem) { \
                        d_printf("%s: talloc failed for %s\n", __location__, attr); \
                        return WERR_NOMEM; \
                } \
                *(p)->elem = (uint32_t)_v; \
        } \
} while (0)

#define GET_GUID_LDB(msg, attr, p, elem) do { \
        (p)->elem = samdb_result_guid(msg, attr);\
} while (0)

#define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
        const struct ldb_val *_val;\
        _val = ldb_msg_find_ldb_val(msg, attr);\
        if (_val) {\
                (p)->elem = *_val;\
                talloc_steal(mem_ctx, (p)->elem.data);\
        } else {\
                ZERO_STRUCT((p)->elem);\
        }\
} while (0)

WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
                               const struct dsdb_schema *schema,
                               struct ldb_message *msg,
                               TALLOC_CTX *mem_ctx,
                               struct dsdb_attribute *attr)
{
        WERROR status;

        GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
        GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
        GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
        if (schema->num_prefixes == 0) {
                /* set an invalid value */
                attr->attributeID_id = 0xFFFFFFFF;
        } else {
                status = dsdb_schema_pfm_make_attid(schema->prefixmap,
                                                    attr->attributeID_oid,
                                                    &attr->attributeID_id);
                if (!W_ERROR_IS_OK(status)) {
                        DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
                                __location__, attr->lDAPDisplayName, attr->attributeID_oid,
                                win_errstr(status)));
                        return status;
                }
        }
        GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
        GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);

        GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);

        GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
        GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
        GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
        GET_UINT32_LDB(msg, "linkID", attr, linkID);

        GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
        if (schema->num_prefixes == 0) {
                /* set an invalid value */
                attr->attributeSyntax_id = 0xFFFFFFFF;
        } else {
                status = dsdb_schema_pfm_make_attid(schema->prefixmap,
                                                    attr->attributeSyntax_oid,
                                                    &attr->attributeSyntax_id);
                if (!W_ERROR_IS_OK(status)) {
                        DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
                                __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
                                win_errstr(status)));
                        return status;
                }
        }
        GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
        GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);

        GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
        GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
        GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
        GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);

        GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
        GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);

        GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
        GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
        GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
        GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
        GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
        GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
        GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);

        attr->syntax = dsdb_syntax_for_attribute(attr);
        if (!attr->syntax) {
                return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
        }

        if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
                return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
        }

        return WERR_OK;
}

WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
                           struct ldb_message *msg,
                           TALLOC_CTX *mem_ctx,
                           struct dsdb_class *obj)
{
        WERROR status;

        GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
        GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
        GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
        if (schema->num_prefixes == 0) {
                /* set an invalid value */
                obj->governsID_id = 0xFFFFFFFF;
        } else {
                status = dsdb_schema_pfm_make_attid(schema->prefixmap,
                                                    obj->governsID_oid,
                                                    &obj->governsID_id);
                if (!W_ERROR_IS_OK(status)) {
                        DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
                                __location__, obj->lDAPDisplayName, obj->governsID_oid,
                                win_errstr(status)));
                        return status;
                }
        }
        GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);

        GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
        GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
        GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
 
        GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);

        GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
        GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);

        GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
        GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
        GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
        GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);

        GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
        GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);

        GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);

        GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
        GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);

        GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
        GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
        GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
        GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
        GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
        GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
        GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);

        return WERR_OK;
}

#define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)

/* 
 Create a DSDB schema from the ldb results provided.  This is called
 directly when the schema is provisioned from an on-disk LDIF file, or
 from dsdb_schema_from_schema_dn in schema_fsmo
*/

int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
                                 struct smb_iconv_convenience *iconv_convenience, 
                                 struct ldb_result *schema_res,
                                 struct ldb_result *attrs_res, struct ldb_result *objectclass_res, 
                                 struct dsdb_schema **schema_out,
                                 char **error_string)
{
        WERROR status;
        uint32_t i;
        const struct ldb_val *prefix_val;
        const struct ldb_val *info_val;
        struct ldb_val info_val_default;
        struct dsdb_schema *schema;

        schema = dsdb_new_schema(mem_ctx, iconv_convenience);
        if (!schema) {
                dsdb_oom(error_string, mem_ctx);
                return LDB_ERR_OPERATIONS_ERROR;
        }

        prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
        if (!prefix_val) {
                *error_string = talloc_asprintf(mem_ctx, 
                                                "schema_fsmo_init: no prefixMap attribute found");
                DEBUG(0,(__location__ ": %s\n", *error_string));
                return LDB_ERR_CONSTRAINT_VIOLATION;
        }
        info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
        if (!info_val) {
                info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
                if (!info_val_default.data) {
                        dsdb_oom(error_string, mem_ctx);
                        return LDB_ERR_OPERATIONS_ERROR;
                }
                info_val = &info_val_default;
        }

        status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
        if (!W_ERROR_IS_OK(status)) {
                *error_string = talloc_asprintf(mem_ctx, 
                              "schema_fsmo_init: failed to load oid mappings: %s",
                              win_errstr(status));
                DEBUG(0,(__location__ ": %s\n", *error_string));
                return LDB_ERR_CONSTRAINT_VIOLATION;
        }

        for (i=0; i < attrs_res->count; i++) {
                struct dsdb_attribute *sa;

                sa = talloc_zero(schema, struct dsdb_attribute);
                if (!sa) {
                        dsdb_oom(error_string, mem_ctx);
                        return LDB_ERR_OPERATIONS_ERROR;
                }

                status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
                if (!W_ERROR_IS_OK(status)) {
                        *error_string = talloc_asprintf(mem_ctx, 
                                      "schema_fsmo_init: failed to load attribute definition: %s:%s",
                                      ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
                                      win_errstr(status));
                        DEBUG(0,(__location__ ": %s\n", *error_string));
                        return LDB_ERR_CONSTRAINT_VIOLATION;
                }

                DLIST_ADD(schema->attributes, sa);
        }

        for (i=0; i < objectclass_res->count; i++) {
                struct dsdb_class *sc;

                sc = talloc_zero(schema, struct dsdb_class);
                if (!sc) {
                        dsdb_oom(error_string, mem_ctx);
                        return LDB_ERR_OPERATIONS_ERROR;
                }

                status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
                if (!W_ERROR_IS_OK(status)) {
                        *error_string = talloc_asprintf(mem_ctx, 
                                      "schema_fsmo_init: failed to load class definition: %s:%s",
                                      ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
                                      win_errstr(status));
                        DEBUG(0,(__location__ ": %s\n", *error_string));
                        return LDB_ERR_CONSTRAINT_VIOLATION;
                }

                DLIST_ADD(schema->classes, sc);
        }

        schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
        if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
                schema->fsmo.we_are_master = true;
        } else {
                schema->fsmo.we_are_master = false;
        }

        DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
                  (schema->fsmo.we_are_master?"yes":"no")));

        *schema_out = schema;
        return LDB_SUCCESS;
}


static const struct {
        const char *name;
        const char *oid;
} name_mappings[] = {
        { "cn",                                 "2.5.4.3" },
        { "name",                               "1.2.840.113556.1.4.1" },
        { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
        { "attributeID",                        "1.2.840.113556.1.2.30" },
        { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
        { "mAPIID",                             "1.2.840.113556.1.2.49" },
        { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
        { "searchFlags",                        "1.2.840.113556.1.2.334" },
        { "systemFlags",                        "1.2.840.113556.1.4.375" },
        { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
        { "linkID",                             "1.2.840.113556.1.2.50" },
        { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
        { "oMSyntax",                           "1.2.840.113556.1.2.231" },
        { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
        { "isSingleValued",                     "1.2.840.113556.1.2.33" },
        { "rangeLower",                         "1.2.840.113556.1.2.34" },
        { "rangeUpper",                         "1.2.840.113556.1.2.35" },
        { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
        { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
        { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
        { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
        { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
        { "adminDescription",                   "1.2.840.113556.1.2.226" },
        { "classDisplayName",                   "1.2.840.113556.1.4.610" },
        { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
        { "isDefunct",                          "1.2.840.113556.1.4.661" },
        { "systemOnly",                         "1.2.840.113556.1.4.170" },
        { "governsID",                          "1.2.840.113556.1.2.22" },
        { "objectClassCategory",                "1.2.840.113556.1.2.370" },
        { "rDNAttID",                           "1.2.840.113556.1.2.26" },
        { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
        { "subClassOf",                         "1.2.840.113556.1.2.21" },
        { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
        { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
        { "systemMustContain",                  "1.2.840.113556.1.4.197" },
        { "systemMayContain",                   "1.2.840.113556.1.4.196" },
        { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
        { "possSuperiors",                      "1.2.840.113556.1.2.8" },
        { "mustContain",                        "1.2.840.113556.1.2.24" },
        { "mayContain",                         "1.2.840.113556.1.2.25" },
        { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
        { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
};

static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
                                                                     struct drsuapi_DsReplicaObject *obj,
                                                                     const char *name,
                                                                     uint32_t *idx)
{
        WERROR status;
        uint32_t i, attid;
        const char *oid = NULL;

        for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
                if (strcmp(name_mappings[i].name, name) != 0) continue;

                oid = name_mappings[i].oid;
                break;
        }

        if (!oid) {
                return NULL;
        }

        status = dsdb_schema_pfm_make_attid(schema->prefixmap, oid, &attid);
        if (!W_ERROR_IS_OK(status)) {
                return NULL;
        }

        for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
                if (obj->attribute_ctr.attributes[i].attid != attid) continue;

                if (idx) *idx = i;
                return &obj->attribute_ctr.attributes[i];
        }

        return NULL;
}

#define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (strict && !_a) { \
                d_printf("%s: %s == NULL\n", __location__, attr); \
                return WERR_INVALID_PARAM; \
        } \
        if (strict && _a->value_ctr.num_values != 1) { \
                d_printf("%s: %s num_values == %u\n", __location__, attr, \
                        _a->value_ctr.num_values); \
                return WERR_INVALID_PARAM; \
        } \
        if (_a && _a->value_ctr.num_values >= 1) { \
                size_t _ret; \
                if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
                                             _a->value_ctr.values[0].blob->data, \
                                             _a->value_ctr.values[0].blob->length, \
                                             (void **)discard_const(&(p)->elem), &_ret, false)) { \
                        DEBUG(0,("%s: invalid data!\n", attr)); \
                        dump_data(0, \
                                     _a->value_ctr.values[0].blob->data, \
                                     _a->value_ctr.values[0].blob->length); \
                        return WERR_FOOBAR; \
                } \
        } else { \
                (p)->elem = NULL; \
        } \
} while (0)

#define GET_UINT32_LIST_DS(s, r, attr, mem_ctx, p, elem) do { \
        int list_counter;                                       \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        (p)->elem = _a ? talloc_array(mem_ctx, uint32_t, _a->value_ctr.num_values + 1) : NULL; \
        for (list_counter=0;                                    \
             _a && list_counter < _a->value_ctr.num_values;     \
             list_counter++) {                          \
                if (_a->value_ctr.values[list_counter].blob->length != 4) { \
                        return WERR_INVALID_PARAM;                      \
                }                                                       \
                (p)->elem[list_counter] = IVAL(_a->value_ctr.values[list_counter].blob->data, 0); \
        }                                                               \
        if (_a) (p)->elem[list_counter] = 0;                            \
} while (0)

#define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (strict && !_a) { \
                d_printf("%s: %s == NULL\n", __location__, attr); \
                return WERR_INVALID_PARAM; \
        } \
        if (strict && _a->value_ctr.num_values != 1) { \
                d_printf("%s: %s num_values == %u\n", __location__, attr, \
                        _a->value_ctr.num_values); \
                return WERR_INVALID_PARAM; \
        } \
        if (strict && !_a->value_ctr.values[0].blob) { \
                d_printf("%s: %s data == NULL\n", __location__, attr); \
                return WERR_INVALID_PARAM; \
        } \
        if (_a && _a->value_ctr.num_values >= 1 \
            && _a->value_ctr.values[0].blob) { \
                struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
                enum ndr_err_code _ndr_err; \
                _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
                                                      mem_ctx, s->iconv_convenience, &_id3,\
                                                      (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
                if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
                        NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
                        return ntstatus_to_werror(_nt_status); \
                } \
                (p)->elem = _id3.dn; \
        } else { \
                (p)->elem = NULL; \
        } \
} while (0)

#define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (strict && !_a) { \
                d_printf("%s: %s == NULL\n", __location__, attr); \
                return WERR_INVALID_PARAM; \
        } \
        if (strict && _a->value_ctr.num_values != 1) { \
                d_printf("%s: %s num_values == %u\n", __location__, attr, \
                         (unsigned int)_a->value_ctr.num_values);       \
                return WERR_INVALID_PARAM; \
        } \
        if (strict && !_a->value_ctr.values[0].blob) { \
                d_printf("%s: %s data == NULL\n", __location__, attr); \
                return WERR_INVALID_PARAM; \
        } \
        if (strict && _a->value_ctr.values[0].blob->length != 4) { \
                d_printf("%s: %s length == %u\n", __location__, attr, \
                         (unsigned int)_a->value_ctr.values[0].blob->length); \
                return WERR_INVALID_PARAM; \
        } \
        if (_a && _a->value_ctr.num_values >= 1 \
            && _a->value_ctr.values[0].blob \
            && _a->value_ctr.values[0].blob->length == 4) { \
                (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
        } else { \
                (p)->elem = false; \
        } \
} while (0)

#define GET_UINT32_DS(s, r, attr, p, elem) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (_a && _a->value_ctr.num_values >= 1 \
            && _a->value_ctr.values[0].blob \
            && _a->value_ctr.values[0].blob->length == 4) { \
                (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
        } else { \
                (p)->elem = 0; \
        } \
} while (0)

#define GET_UINT32_PTR_DS(s, r, attr, p, elem) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (_a && _a->value_ctr.num_values >= 1 \
            && _a->value_ctr.values[0].blob \
            && _a->value_ctr.values[0].blob->length == 4) { \
                (p)->elem = talloc(mem_ctx, uint32_t); \
                if (!(p)->elem) { \
                        d_printf("%s: talloc failed for %s\n", __location__, attr); \
                        return WERR_NOMEM; \
                } \
                *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
        } else { \
                (p)->elem = NULL; \
        } \
} while (0)

#define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (_a && _a->value_ctr.num_values >= 1 \
            && _a->value_ctr.values[0].blob \
            && _a->value_ctr.values[0].blob->length == 16) { \
                enum ndr_err_code _ndr_err; \
                _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
                                                      mem_ctx, s->iconv_convenience, &(p)->elem, \
                                                      (ndr_pull_flags_fn_t)ndr_pull_GUID); \
                if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
                        NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
                        return ntstatus_to_werror(_nt_status); \
                } \
        } else { \
                ZERO_STRUCT((p)->elem);\
        } \
} while (0)

#define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
        struct drsuapi_DsReplicaAttribute *_a; \
        _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
        if (_a && _a->value_ctr.num_values >= 1 \
            && _a->value_ctr.values[0].blob) { \
                (p)->elem = *_a->value_ctr.values[0].blob;\
                talloc_steal(mem_ctx, (p)->elem.data); \
        } else { \
                ZERO_STRUCT((p)->elem);\
        }\
} while (0)

WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
                                   struct dsdb_schema *schema,
                                   struct drsuapi_DsReplicaObject *r,
                                   TALLOC_CTX *mem_ctx,
                                   struct dsdb_attribute *attr)
{
        WERROR status;

        GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
        GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
        GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
        status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
        if (!W_ERROR_IS_OK(status)) {
                DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
                        __location__, attr->lDAPDisplayName, attr->attributeID_id,
                        win_errstr(status)));
                return status;
        }
        GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
        GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);

        GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);

        GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
        GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
        GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
        GET_UINT32_DS(schema, r, "linkID", attr, linkID);

        GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
        status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
        if (!W_ERROR_IS_OK(status)) {
                DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
                        __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
                        win_errstr(status)));
                return status;
        }
        GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
        GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);

        GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
        GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
        GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
        GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);

        GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
        GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);

        GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
        GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
        GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
        GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
        GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
        GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
        GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);

        attr->syntax = dsdb_syntax_for_attribute(attr);
        if (!attr->syntax) {
                return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
        }

        if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
                return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
        }

        return WERR_OK;
}

WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
                               struct drsuapi_DsReplicaObject *r,
                               TALLOC_CTX *mem_ctx,
                               struct dsdb_class *obj)
{
        WERROR status;

        GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
        GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
        GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
        status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
        if (!W_ERROR_IS_OK(status)) {
                DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
                        __location__, obj->lDAPDisplayName, obj->governsID_id,
                        win_errstr(status)));
                return status;
        }
        GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);

        GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
        GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
        GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);

        GET_UINT32_DS(schema, r, "subClassOf", obj, subClassOf_id);

        GET_UINT32_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass_ids);
        GET_UINT32_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass_ids);

        GET_UINT32_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain_ids);
        GET_UINT32_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain_ids);
        GET_UINT32_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain_ids);
        GET_UINT32_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain_ids);

        GET_UINT32_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors_ids);
        GET_UINT32_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors_ids);

        GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);

        GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
        GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);

        GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
        GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
        GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
        GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
        GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
        GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
        GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);

        return WERR_OK;
}