int
backsql_db_open(
BackendDB *bd,
ConfigReply *cr )
{
backsql_info *bi = (backsql_info*)bd->be_private;
struct berbuf bb = BB_NULL;
Connection conn = { 0 };
OperationBuffer opbuf;
Operation* op;
SQLHDBC dbh = SQL_NULL_HDBC;
void *thrctx = ldap_pvt_thread_pool_context();
Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
"testing RDBMS connection\n", 0, 0, 0 );
if ( bi->sql_dbname == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"datasource name not specified "
"(use \"dbname\" directive in slapd.conf)\n", 0, 0, 0 );
return 1;
}
if ( bi->sql_concat_func == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"concat func not specified (use \"concat_pattern\" "
"directive in slapd.conf)\n", 0, 0, 0 );
if ( backsql_split_pattern( backsql_def_concat_func,
&bi->sql_concat_func, 2 ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"unable to parse pattern \"%s\"",
backsql_def_concat_func, 0, 0 );
return 1;
}
}
/*
* see back-sql.h for default values
*/
if ( BER_BVISNULL( &bi->sql_aliasing ) ) {
ber_str2bv( BACKSQL_ALIASING,
STRLENOF( BACKSQL_ALIASING ),
1, &bi->sql_aliasing );
}
if ( BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
ber_str2bv( BACKSQL_ALIASING_QUOTE,
STRLENOF( BACKSQL_ALIASING_QUOTE ),
1, &bi->sql_aliasing_quote );
}
/*
* Prepare cast string as required
*/
if ( bi->sql_upper_func.bv_val ) {
char buf[1024];
if ( BACKSQL_UPPER_NEEDS_CAST( bi ) ) {
snprintf( buf, sizeof( buf ),
"%s(cast (" /* ? as varchar(%d))) */ ,
bi->sql_upper_func.bv_val );
ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
snprintf( buf, sizeof( buf ),
/* (cast(? */ " as varchar(%d)))",
BACKSQL_MAX_DN_LEN );
ber_str2bv( buf, 0, 1, &bi->sql_upper_func_close );
} else {
snprintf( buf, sizeof( buf ), "%s(" /* ?) */ ,
bi->sql_upper_func.bv_val );
ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
ber_str2bv( /* (? */ ")", 0, 1, &bi->sql_upper_func_close );
}
}
/* normalize filter values only if necessary */
bi->sql_caseIgnoreMatch = mr_find( "caseIgnoreMatch" );
assert( bi->sql_caseIgnoreMatch != NULL );
bi->sql_telephoneNumberMatch = mr_find( "telephoneNumberMatch" );
assert( bi->sql_telephoneNumberMatch != NULL );
if ( bi->sql_dbuser == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"user name not specified "
"(use \"dbuser\" directive in slapd.conf)\n", 0, 0, 0 );
return 1;
}
if ( BER_BVISNULL( &bi->sql_subtree_cond ) ) {
/*
* Prepare concat function for subtree search condition
*/
struct berval concat;
struct berval values[] = {
BER_BVC( "'%'" ),
BER_BVC( "?" ),
BER_BVNULL
};
struct berbuf bb = BB_NULL;
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"subtree search SQL condition not specified "
"(use \"subtree_cond\" directive in slapd.conf); "
"preparing default\n",
0, 0, 0);
if ( backsql_prepare_pattern( bi->sql_concat_func, values,
&concat ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"unable to prepare CONCAT pattern for subtree search",
0, 0, 0 );
return 1;
}
if ( bi->sql_upper_func.bv_val ) {
/*
* UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
*/
backsql_strfcat_x( &bb, NULL, "blbbb",
&bi->sql_upper_func,
(ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
"(ldap_entries.dn) LIKE ",
&bi->sql_upper_func_open,
&concat,
&bi->sql_upper_func_close );
} else {
/*
* ldap_entries.dn LIKE CONCAT('%',?)
*/
backsql_strfcat_x( &bb, NULL, "lb",
(ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
"ldap_entries.dn LIKE ",
&concat );
}
ch_free( concat.bv_val );
bi->sql_subtree_cond = bb.bb_val;
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" as default \"subtree_cond\"\n",
bi->sql_subtree_cond.bv_val, 0, 0 );
}
if ( bi->sql_children_cond.bv_val == NULL ) {
/*
* Prepare concat function for children search condition
*/
struct berval concat;
struct berval values[] = {
BER_BVC( "'%,'" ),
BER_BVC( "?" ),
BER_BVNULL
};
struct berbuf bb = BB_NULL;
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"children search SQL condition not specified "
"(use \"children_cond\" directive in slapd.conf); "
"preparing default\n",
0, 0, 0);
if ( backsql_prepare_pattern( bi->sql_concat_func, values,
&concat ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"unable to prepare CONCAT pattern for children search", 0, 0, 0 );
return 1;
}
if ( bi->sql_upper_func.bv_val ) {
/*
* UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
*/
backsql_strfcat_x( &bb, NULL, "blbbb",
&bi->sql_upper_func,
(ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
"(ldap_entries.dn) LIKE ",
&bi->sql_upper_func_open,
&concat,
&bi->sql_upper_func_close );
} else {
/*
* ldap_entries.dn LIKE CONCAT('%,',?)
*/
backsql_strfcat_x( &bb, NULL, "lb",
(ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
"ldap_entries.dn LIKE ",
&concat );
}
ch_free( concat.bv_val );
bi->sql_children_cond = bb.bb_val;
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" as default \"children_cond\"\n",
bi->sql_children_cond.bv_val, 0, 0 );
}
if ( bi->sql_dn_match_cond.bv_val == NULL ) {
/*
* Prepare concat function for dn match search condition
*/
struct berbuf bb = BB_NULL;
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"DN match search SQL condition not specified "
"(use \"dn_match_cond\" directive in slapd.conf); "
"preparing default\n",
0, 0, 0);
if ( bi->sql_upper_func.bv_val ) {
/*
* UPPER(ldap_entries.dn)=?
*/
backsql_strfcat_x( &bb, NULL, "blbcb",
&bi->sql_upper_func,
(ber_len_t)STRLENOF( "(ldap_entries.dn)=" ),
"(ldap_entries.dn)=",
&bi->sql_upper_func_open,
'?',
&bi->sql_upper_func_close );
} else {
/*
* ldap_entries.dn=?
*/
backsql_strfcat_x( &bb, NULL, "l",
(ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
"ldap_entries.dn=?" );
}
bi->sql_dn_match_cond = bb.bb_val;
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" as default \"dn_match_cond\"\n",
bi->sql_dn_match_cond.bv_val, 0, 0 );
}
if ( bi->sql_oc_query == NULL ) {
if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
bi->sql_oc_query =
ch_strdup( backsql_def_needs_select_oc_query );
} else {
bi->sql_oc_query = ch_strdup( backsql_def_oc_query );
}
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"objectclass mapping SQL statement not specified "
"(use \"oc_query\" directive in slapd.conf)\n",
0, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" by default\n", bi->sql_oc_query, 0, 0 );
}
if ( bi->sql_at_query == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"attribute mapping SQL statement not specified "
"(use \"at_query\" directive in slapd.conf)\n",
0, 0, 0 );
Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" by default\n",
backsql_def_at_query, 0, 0 );
bi->sql_at_query = ch_strdup( backsql_def_at_query );
}
if ( bi->sql_insentry_stmt == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"entry insertion SQL statement not specified "
"(use \"insentry_stmt\" directive in slapd.conf)\n",
0, 0, 0 );
Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" by default\n",
backsql_def_insentry_stmt, 0, 0 );
bi->sql_insentry_stmt = ch_strdup( backsql_def_insentry_stmt );
}
if ( bi->sql_delentry_stmt == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"entry deletion SQL statement not specified "
"(use \"delentry_stmt\" directive in slapd.conf)\n",
0, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" by default\n",
backsql_def_delentry_stmt, 0, 0 );
bi->sql_delentry_stmt = ch_strdup( backsql_def_delentry_stmt );
}
if ( bi->sql_renentry_stmt == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"entry deletion SQL statement not specified "
"(use \"renentry_stmt\" directive in slapd.conf)\n",
0, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" by default\n",
backsql_def_renentry_stmt, 0, 0 );
bi->sql_renentry_stmt = ch_strdup( backsql_def_renentry_stmt );
}
if ( bi->sql_delobjclasses_stmt == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"objclasses deletion SQL statement not specified "
"(use \"delobjclasses_stmt\" directive in slapd.conf)\n",
0, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting \"%s\" by default\n",
backsql_def_delobjclasses_stmt, 0, 0 );
bi->sql_delobjclasses_stmt = ch_strdup( backsql_def_delobjclasses_stmt );
}
/* This should just be to force schema loading */
connection_fake_init2( &conn, &opbuf, thrctx, 0 );
op = &opbuf.ob_op;
op->o_bd = bd;
if ( backsql_get_db_conn( op, &dbh ) != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"connection failed, exiting\n", 0, 0, 0 );
return 1;
}
if ( backsql_load_schema_map( bi, dbh ) != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"schema mapping failed, exiting\n", 0, 0, 0 );
return 1;
}
if ( backsql_free_db_conn( op, dbh ) != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"connection free failed\n", 0, 0, 0 );
}
if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"test failed, schema map not loaded - exiting\n",
0, 0, 0 );
return 1;
}
/*
* Prepare ID selection query
*/
if ( bi->sql_id_query == NULL ) {
/* no custom id_query provided */
if ( bi->sql_upper_func.bv_val == NULL ) {
backsql_strcat_x( &bb, NULL, backsql_id_query, "dn=?", NULL );
} else {
if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
backsql_strcat_x( &bb, NULL, backsql_id_query,
"dn_ru=?", NULL );
} else {
if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
backsql_strfcat_x( &bb, NULL, "sbl",
backsql_id_query,
&bi->sql_upper_func,
(ber_len_t)STRLENOF( "(dn)=?" ), "(dn)=?" );
} else {
backsql_strfcat_x( &bb, NULL, "sblbcb",
backsql_id_query,
&bi->sql_upper_func,
(ber_len_t)STRLENOF( "(dn)=" ), "(dn)=",
&bi->sql_upper_func_open,
'?',
&bi->sql_upper_func_close );
}
}
}
bi->sql_id_query = bb.bb_val.bv_val;
}
/*
* Prepare children count query
*/
BER_BVZERO( &bb.bb_val );
bb.bb_len = 0;
backsql_strfcat_x( &bb, NULL, "sbsb",
"SELECT COUNT(distinct subordinates.id) "
"FROM ldap_entries,ldap_entries ",
&bi->sql_aliasing, "subordinates "
"WHERE subordinates.parent=ldap_entries.id AND ",
&bi->sql_dn_match_cond );
bi->sql_has_children_query = bb.bb_val.bv_val;
/*
* Prepare DN and objectClass aliasing bit of query
*/
BER_BVZERO( &bb.bb_val );
bb.bb_len = 0;
backsql_strfcat_x( &bb, NULL, "sbbsbsbbsb",
" ", &bi->sql_aliasing, &bi->sql_aliasing_quote,
"objectClass", &bi->sql_aliasing_quote,
",ldap_entries.dn ", &bi->sql_aliasing,
&bi->sql_aliasing_quote, "dn", &bi->sql_aliasing_quote );
bi->sql_dn_oc_aliasing = bb.bb_val;
/* should never happen! */
assert( bd->be_nsuffix != NULL );
if ( BER_BVISNULL( &bd->be_nsuffix[ 1 ] ) ) {
/* enable if only one suffix is defined */
bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT;
}
bi->sql_flags |= BSQLF_CHECK_SCHEMA;
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_open(): "
"test succeeded, schema map loaded\n", 0, 0, 0 );
return 0;
}
/*
* NOTE: the dn must be normalized
*/
int
backsql_dn2id(
Operation *op,
SlapReply *rs,
SQLHDBC dbh,
struct berval *ndn,
backsql_entryID *id,
int matched,
int muck )
{
backsql_info *bi = op->o_bd->be_private;
SQLHSTMT sth = SQL_NULL_HSTMT;
BACKSQL_ROW_NTS row = { 0 };
RETCODE rc;
int res;
struct berval realndn = BER_BVNULL;
/* TimesTen */
char upperdn[ BACKSQL_MAX_DN_LEN + 1 ];
struct berval tbbDN;
int i, j;
/*
* NOTE: id can be NULL; in this case, the function
* simply checks whether the DN can be successfully
* turned into an ID, returning LDAP_SUCCESS for
* positive cases, or the most appropriate error
*/
Debug( LDAP_DEBUG_TRACE, "==>backsql_dn2id(\"%s\")%s%s\n",
ndn->bv_val, id == NULL ? " (no ID expected)" : "",
matched ? " matched expected" : "" );
if ( id ) {
/* NOTE: trap inconsistencies */
assert( BER_BVISNULL( &id->eid_ndn ) );
}
if ( ndn->bv_len > BACKSQL_MAX_DN_LEN ) {
Debug( LDAP_DEBUG_TRACE,
" backsql_dn2id(\"%s\"): DN length=%ld "
"exceeds max DN length %d:\n",
ndn->bv_val, ndn->bv_len, BACKSQL_MAX_DN_LEN );
return LDAP_OTHER;
}
/* return baseObject if available and matches */
/* FIXME: if ndn is already mucked, we cannot check this */
if ( bi->sql_baseObject != NULL &&
dn_match( ndn, &bi->sql_baseObject->e_nname ) )
{
if ( id != NULL ) {
#ifdef BACKSQL_ARBITRARY_KEY
ber_dupbv_x( &id->eid_id, &backsql_baseObject_bv,
op->o_tmpmemctx );
ber_dupbv_x( &id->eid_keyval, &backsql_baseObject_bv,
op->o_tmpmemctx );
#else /* ! BACKSQL_ARBITRARY_KEY */
id->eid_id = BACKSQL_BASEOBJECT_ID;
id->eid_keyval = BACKSQL_BASEOBJECT_KEYVAL;
#endif /* ! BACKSQL_ARBITRARY_KEY */
id->eid_oc_id = BACKSQL_BASEOBJECT_OC;
ber_dupbv_x( &id->eid_ndn, &bi->sql_baseObject->e_nname,
op->o_tmpmemctx );
ber_dupbv_x( &id->eid_dn, &bi->sql_baseObject->e_name,
op->o_tmpmemctx );
id->eid_next = NULL;
}
return LDAP_SUCCESS;
}
/* begin TimesTen */
Debug( LDAP_DEBUG_TRACE, " backsql_dn2id(\"%s\"): id_query \"%s\"\n",
ndn->bv_val, bi->sql_id_query, 0 );
assert( bi->sql_id_query != NULL );
rc = backsql_Prepare( dbh, &sth, bi->sql_id_query, 0 );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
" backsql_dn2id(\"%s\"): "
"error preparing SQL:\n %s",
ndn->bv_val, bi->sql_id_query, 0 );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
res = LDAP_OTHER;
goto done;
}
realndn = *ndn;
if ( muck ) {
if ( backsql_api_dn2odbc( op, rs, &realndn ) ) {
Debug( LDAP_DEBUG_TRACE, " backsql_dn2id(\"%s\"): "
"backsql_api_dn2odbc(\"%s\") failed\n",
ndn->bv_val, realndn.bv_val, 0 );
res = LDAP_OTHER;
goto done;
}
}
if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
/*
* Prepare an upper cased, byte reversed version
* that can be searched using indexes
*/
for ( i = 0, j = realndn.bv_len - 1; realndn.bv_val[ i ]; i++, j--)
{
upperdn[ i ] = realndn.bv_val[ j ];
}
upperdn[ i ] = '\0';
ldap_pvt_str2upper( upperdn );
Debug( LDAP_DEBUG_TRACE, " backsql_dn2id(\"%s\"): "
"upperdn=\"%s\"\n",
ndn->bv_val, upperdn, 0 );
ber_str2bv( upperdn, 0, 0, &tbbDN );
} else {
if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
AC_MEMCPY( upperdn, realndn.bv_val, realndn.bv_len + 1 );
ldap_pvt_str2upper( upperdn );
Debug( LDAP_DEBUG_TRACE,
" backsql_dn2id(\"%s\"): "
"upperdn=\"%s\"\n",
ndn->bv_val, upperdn, 0 );
ber_str2bv( upperdn, 0, 0, &tbbDN );
} else {
tbbDN = realndn;
}
}
rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &tbbDN );
if ( rc != SQL_SUCCESS) {
/* end TimesTen */
Debug( LDAP_DEBUG_TRACE, " backsql_dn2id(\"%s\"): "
"error binding dn=\"%s\" parameter:\n",
ndn->bv_val, tbbDN.bv_val, 0 );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
res = LDAP_OTHER;
goto done;
}
rc = SQLExecute( sth );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, " backsql_dn2id(\"%s\"): "
"error executing query (\"%s\", \"%s\"):\n",
ndn->bv_val, bi->sql_id_query, tbbDN.bv_val );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
res = LDAP_OTHER;
goto done;
}
backsql_BindRowAsStrings_x( sth, &row, op->o_tmpmemctx );
rc = SQLFetch( sth );
if ( BACKSQL_SUCCESS( rc ) ) {
char buf[ SLAP_TEXT_BUFLEN ];
#ifdef LDAP_DEBUG
snprintf( buf, sizeof(buf),
"id=%s keyval=%s oc_id=%s dn=%s",
row.cols[ 0 ], row.cols[ 1 ],
row.cols[ 2 ], row.cols[ 3 ] );
Debug( LDAP_DEBUG_TRACE,
" backsql_dn2id(\"%s\"): %s\n",
ndn->bv_val, buf, 0 );
#endif /* LDAP_DEBUG */
res = LDAP_SUCCESS;
if ( id != NULL ) {
struct berval dn;
id->eid_next = NULL;
#ifdef BACKSQL_ARBITRARY_KEY
ber_str2bv_x( row.cols[ 0 ], 0, 1, &id->eid_id,
op->o_tmpmemctx );
ber_str2bv_x( row.cols[ 1 ], 0, 1, &id->eid_keyval,
op->o_tmpmemctx );
#else /* ! BACKSQL_ARBITRARY_KEY */
if ( lutil_atoulx( &id->eid_id, row.cols[ 0 ], 0 ) != 0 ) {
res = LDAP_OTHER;
goto done;
}
if ( lutil_atoulx( &id->eid_keyval, row.cols[ 1 ], 0 ) != 0 ) {
res = LDAP_OTHER;
goto done;
}
#endif /* ! BACKSQL_ARBITRARY_KEY */
if ( lutil_atoulx( &id->eid_oc_id, row.cols[ 2 ], 0 ) != 0 ) {
res = LDAP_OTHER;
goto done;
}
ber_str2bv( row.cols[ 3 ], 0, 0, &dn );
if ( backsql_api_odbc2dn( op, rs, &dn ) ) {
res = LDAP_OTHER;
goto done;
}
res = dnPrettyNormal( NULL, &dn,
&id->eid_dn, &id->eid_ndn,
op->o_tmpmemctx );
if ( res != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
" backsql_dn2id(\"%s\"): "
"dnPrettyNormal failed (%d: %s)\n",
realndn.bv_val, res,
ldap_err2string( res ) );
/* cleanup... */
(void)backsql_free_entryID( id, 0, op->o_tmpmemctx );
}
if ( dn.bv_val != row.cols[ 3 ] ) {
free( dn.bv_val );
}
}
} else {
res = LDAP_NO_SUCH_OBJECT;
if ( matched ) {
struct berval pdn = *ndn;
/*
* Look for matched
*/
rs->sr_matched = NULL;
while ( !be_issuffix( op->o_bd, &pdn ) ) {
char *matchedDN = NULL;
dnParent( &pdn, &pdn );
/*
* Empty DN ("") defaults to LDAP_SUCCESS
*/
rs->sr_err = backsql_dn2id( op, rs, dbh, &pdn, id, 0, 1 );
switch ( rs->sr_err ) {
case LDAP_NO_SUCH_OBJECT:
/* try another one */
break;
case LDAP_SUCCESS:
matchedDN = pdn.bv_val;
/* fail over to next case */
default:
rs->sr_err = LDAP_NO_SUCH_OBJECT;
rs->sr_matched = matchedDN;
goto done;
}
}
}
}
done:;
backsql_FreeRow_x( &row, op->o_tmpmemctx );
Debug( LDAP_DEBUG_TRACE,
"<==backsql_dn2id(\"%s\"): err=%d\n",
ndn->bv_val, res, 0 );
if ( sth != SQL_NULL_HSTMT ) {
SQLFreeStmt( sth, SQL_DROP );
}
if ( !BER_BVISNULL( &realndn ) && realndn.bv_val != ndn->bv_val ) {
ch_free( realndn.bv_val );
}
return res;
}
int
backsql_db_open(
BackendDB *bd )
{
backsql_info *si = (backsql_info*)bd->be_private;
Connection tmp;
SQLHDBC dbh;
ber_len_t idq_len;
struct berval bv;
Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
"testing RDBMS connection\n", 0, 0, 0 );
if ( si->dbname == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"datasource name not specified "
"(use \"dbname\" directive in slapd.conf)\n", 0, 0, 0 );
return 1;
}
if ( si->concat_func == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"concat func not specified (use \"concat_pattern\" "
"directive in slapd.conf)\n", 0, 0, 0 );
if ( backsql_split_pattern( backsql_def_concat_func,
&si->concat_func, 2 ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"unable to parse pattern '%s'",
backsql_def_concat_func, 0, 0 );
return 1;
}
}
/*
* Prepare cast string as required
*/
if ( si->upper_func.bv_val ) {
char buf[1024];
if ( BACKSQL_UPPER_NEEDS_CAST( si ) ) {
snprintf( buf, sizeof( buf ),
"%s(cast (" /* ? as varchar(%d))) */ ,
si->upper_func.bv_val );
ber_str2bv( buf, 0, 1, &si->upper_func_open );
snprintf( buf, sizeof( buf ),
/* (cast(? */ " as varchar(%d)))",
BACKSQL_MAX_DN_LEN );
ber_str2bv( buf, 0, 1, &si->upper_func_close );
} else {
snprintf( buf, sizeof( buf ), "%s(" /* ?) */ ,
si->upper_func.bv_val );
ber_str2bv( buf, 0, 1, &si->upper_func_open );
ber_str2bv( /* (? */ ")", 0, 1, &si->upper_func_close );
}
}
if ( si->dbuser == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"user name not specified "
"(use \"dbuser\" directive in slapd.conf)\n", 0, 0, 0 );
return 1;
}
if ( si->subtree_cond.bv_val == NULL ) {
/*
* Prepare concat function for subtree search condition
*/
struct berval concat;
ber_len_t len = 0;
struct berval values[] = {
{ sizeof( "'%'" ) - 1, "'%'" },
{ sizeof( "?" ) - 1, "?" },
{ 0, NULL }
};
if ( backsql_prepare_pattern( si->concat_func, values,
&concat ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"unable to prepare CONCAT pattern", 0, 0, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"subtree search SQL condition not specified "
"(use \"subtree_cond\" directive in slapd.conf)\n",
0, 0, 0);
si->subtree_cond.bv_val = NULL;
si->subtree_cond.bv_len = 0;
if ( si->upper_func.bv_val ) {
/*
* UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
*/
backsql_strfcat( &si->subtree_cond, &len, "blbbb",
&si->upper_func,
(ber_len_t)sizeof( "(ldap_entries.dn) LIKE " ) - 1,
"(ldap_entries.dn) LIKE ",
&si->upper_func_open,
&concat,
&si->upper_func_close );
} else {
/*
* ldap_entries.dn LIKE CONCAT('%',?)
*/
backsql_strfcat( &si->subtree_cond, &len, "lb",
(ber_len_t)sizeof( "ldap_entries.dn LIKE " ) - 1,
"ldap_entries.dn LIKE ",
&concat );
}
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting '%s' as default\n",
si->subtree_cond.bv_val, 0, 0 );
}
if ( si->children_cond.bv_val == NULL ) {
ber_len_t len = 0;
if ( si->upper_func.bv_val ) {
/*
* UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
*/
backsql_strfcat( &si->children_cond, &len, "blbl",
&si->upper_func,
(ber_len_t)sizeof( "(ldap_entries.dn)=" ) - 1,
"(ldap_entries.dn)=",
&si->upper_func,
(ber_len_t)sizeof( "(?)" ) - 1, "(?)" );
} else {
/*
* ldap_entries.dn LIKE CONCAT('%,',?)
*/
backsql_strfcat( &si->children_cond, &len, "l",
(ber_len_t)sizeof( "ldap_entries.dn=?" ) - 1,
"ldap_entries.dn=?");
}
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting '%s' as default\n",
si->children_cond.bv_val, 0, 0 );
}
if ( si->oc_query == NULL ) {
if ( BACKSQL_CREATE_NEEDS_SELECT( si ) ) {
si->oc_query =
ch_strdup( backsql_def_needs_select_oc_query );
} else {
si->oc_query = ch_strdup( backsql_def_oc_query );
}
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"objectclass mapping SQL statement not specified "
"(use \"oc_query\" directive in slapd.conf)\n",
0, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting '%s' by default\n", si->oc_query, 0, 0 );
}
if ( si->at_query == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"attribute mapping SQL statement not specified "
"(use \"at_query\" directive in slapd.conf)\n",
0, 0, 0 );
Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting '%s' by default\n",
backsql_def_at_query, 0, 0 );
si->at_query = ch_strdup( backsql_def_at_query );
}
if ( si->insentry_query == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"entry insertion SQL statement not specified "
"(use \"insentry_query\" directive in slapd.conf)\n",
0, 0, 0 );
Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting '%s' by default\n",
backsql_def_insentry_query, 0, 0 );
si->insentry_query = ch_strdup( backsql_def_insentry_query );
}
if ( si->delentry_query == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"entry deletion SQL statement not specified "
"(use \"delentry_query\" directive in slapd.conf)\n",
0, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"setting '%s' by default\n",
backsql_def_delentry_query, 0, 0 );
si->delentry_query = ch_strdup( backsql_def_delentry_query );
}
tmp.c_connid =- 1;
if ( backsql_get_db_conn( bd, &tmp, &dbh ) != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"connection failed, exiting\n", 0, 0, 0 );
return 1;
}
/*
* Prepare ID selection query
*/
si->id_query = NULL;
idq_len = 0;
bv.bv_val = NULL;
bv.bv_len = 0;
if ( si->upper_func.bv_val == NULL ) {
backsql_strcat( &bv, &idq_len, backsql_id_query,
"dn=?", NULL );
} else {
if ( BACKSQL_HAS_LDAPINFO_DN_RU( si ) ) {
backsql_strcat( &bv, &idq_len, backsql_id_query,
"dn_ru=?", NULL );
} else {
if ( BACKSQL_USE_REVERSE_DN( si ) ) {
backsql_strfcat( &bv, &idq_len, "sbl",
backsql_id_query,
&si->upper_func,
(ber_len_t)sizeof( "(dn)=?" ) - 1, "(dn)=?" );
} else {
backsql_strfcat( &bv, &idq_len, "sblbcb",
backsql_id_query,
&si->upper_func,
(ber_len_t)sizeof( "(dn)=" ) - 1, "(dn)=",
&si->upper_func_open,
'?',
&si->upper_func_close );
}
}
}
si->id_query = bv.bv_val;
/*
* Prepare children ID selection query
*/
si->has_children_query = NULL;
idq_len = 0;
bv.bv_val = NULL;
bv.bv_len = 0;
backsql_strfcat( &bv, &idq_len, "sb",
"SELECT COUNT(distinct subordinates.id) FROM ldap_entries,ldap_entries AS subordinates WHERE subordinates.parent=ldap_entries.id AND ",
&si->children_cond );
si->has_children_query = bv.bv_val;
backsql_free_db_conn( bd, &tmp );
if ( !BACKSQL_SCHEMA_LOADED( si ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
"test failed, schema map not loaded - exiting\n",
0, 0, 0 );
return 1;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_db_open(): "
"test succeeded, schema map loaded\n", 0, 0, 0 );
return 0;
}
