entry-id.c

ldap服务器源码

	 * one by one and using realloc() 
	 */
	rc = backsql_Prepare( bsi->bsi_dbh, &sth, at->bam_countquery, 0 );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error preparing count query: %s\n",
			at->bam_countquery, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
		return 1;
	}

	rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT,
			&bsi->bsi_c_eid->eid_keyval );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error binding key value parameter\n", 0, 0, 0 );
		SQLFreeStmt( sth, SQL_DROP );
		return 1;
	}

	rc = SQLExecute( sth );
	if ( ! BACKSQL_SUCCESS( rc ) ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error executing attribute count query '%s'\n",
			at->bam_countquery, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
		SQLFreeStmt( sth, SQL_DROP );
		return 1;
	}

	SQLBindCol( sth, (SQLUSMALLINT)1, SQL_C_LONG,
			(SQLPOINTER)&count,
			(SQLINTEGER)sizeof( count ),
			&countsize );

	rc = SQLFetch( sth );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error fetch results of count query: %s\n",
			at->bam_countquery, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
		SQLFreeStmt( sth, SQL_DROP );
		return 1;
	}

	Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
		"number of values in query: %u\n", count, 0, 0 );
	SQLFreeStmt( sth, SQL_DROP );
	if ( count == 0 ) {
		return 1;
	}

	attr = attr_find( bsi->bsi_e->e_attrs, at->bam_ad );
	if ( attr != NULL ) {
		BerVarray	tmp;

		if ( attr->a_vals != NULL ) {
			for ( ; !BER_BVISNULL( &attr->a_vals[ oldcount ] ); oldcount++ )
				/* just count */ ;
		}

		tmp = ch_realloc( attr->a_vals, ( oldcount + count + 1 ) * sizeof( struct berval ) );
		if ( tmp == NULL ) {
			return 1;
		}
		attr->a_vals = tmp;
		memset( &attr->a_vals[ oldcount ], 0, ( count + 1 ) * sizeof( struct berval ) );

		if ( normfunc ) {
			tmp = ch_realloc( attr->a_nvals, ( oldcount + count + 1 ) * sizeof( struct berval ) );
			if ( tmp == NULL ) {
				return 1;
			}
			attr->a_nvals = tmp;
			memset( &attr->a_nvals[ oldcount ], 0, ( count + 1 ) * sizeof( struct berval ) );

		} else {
			attr->a_nvals = attr->a_vals;
		}

	} else {
		append = 1;

		/* Make space for the array of values */
		attr = (Attribute *) ch_malloc( sizeof( Attribute ) );
		attr->a_desc = at->bam_ad;
		attr->a_flags = 0;
		attr->a_next = NULL;
		attr->a_vals = ch_calloc( count + 1, sizeof( struct berval ) );
		if ( attr->a_vals == NULL ) {
			Debug( LDAP_DEBUG_TRACE, "Out of memory!\n", 0,0,0 );
			ch_free( attr );
			return 1;
		}
		memset( attr->a_vals, 0, ( count + 1 ) * sizeof( struct berval ) );
		if ( normfunc ) {
			attr->a_nvals = ch_calloc( count + 1, sizeof( struct berval ) );
			if ( attr->a_nvals == NULL ) {
				ch_free( attr->a_vals );
				ch_free( attr );
				return 1;

			} else {
				memset( attr->a_nvals, 0, ( count + 1 ) * sizeof( struct berval ) );
			}

		} else {
			attr->a_nvals = attr->a_vals;
		}
	}
#endif /* BACKSQL_COUNTQUERY */

	rc = backsql_Prepare( bsi->bsi_dbh, &sth, at->bam_query, 0 );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error preparing query: %s\n", at->bam_query, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
#ifdef BACKSQL_COUNTQUERY
		if ( append ) {
			attr_free( attr );
		}
#endif /* BACKSQL_COUNTQUERY */
		return 1;
	}

	rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT,
			&bsi->bsi_c_eid->eid_keyval );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error binding key value parameter\n", 0, 0, 0 );
#ifdef BACKSQL_COUNTQUERY
		if ( append ) {
			attr_free( attr );
		}
#endif /* BACKSQL_COUNTQUERY */
		return 1;
	}

#ifdef BACKSQL_TRACE
#ifdef BACKSQL_ARBITRARY_KEY
	Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
		"query=\"%s\" keyval=%s\n", at->bam_query,
		bsi->bsi_c_eid->eid_keyval.bv_val, 0 );
#else /* !BACKSQL_ARBITRARY_KEY */
	Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
		"query=\"%s\" keyval=%d\n", at->bam_query,
		bsi->bsi_c_eid->eid_keyval, 0 );
#endif /* ! BACKSQL_ARBITRARY_KEY */
#endif /* BACKSQL_TRACE */

	rc = SQLExecute( sth );
	if ( ! BACKSQL_SUCCESS( rc ) ) {
		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
			"error executing attribute query \"%s\"\n",
			at->bam_query, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
		SQLFreeStmt( sth, SQL_DROP );
#ifdef BACKSQL_COUNTQUERY
		if ( append ) {
			attr_free( attr );
		}
#endif /* BACKSQL_COUNTQUERY */
		return 1;
	}

	backsql_BindRowAsStrings_x( sth, &row, bsi->bsi_op->o_tmpmemctx );
#ifdef BACKSQL_COUNTQUERY
	j = oldcount;
#endif /* BACKSQL_COUNTQUERY */
	for ( rc = SQLFetch( sth ), k = 0;
			BACKSQL_SUCCESS( rc );
			rc = SQLFetch( sth ), k++ )
	{
		for ( i = 0; i < (unsigned long)row.ncols; i++ ) {

			if ( row.value_len[ i ] > 0 ) {
				struct berval		bv;
				int			retval;
#ifdef BACKSQL_TRACE
				AttributeDescription	*ad = NULL;
				const char		*text;

				retval = slap_bv2ad( &row.col_names[ i ], &ad, &text );
				if ( retval != LDAP_SUCCESS ) {
					Debug( LDAP_DEBUG_ANY,
						"==>backsql_get_attr_vals(\"%s\"): "
						"unable to find AttributeDescription %s "
						"in schema (%d)\n",
						bsi->bsi_e->e_name.bv_val,
						row.col_names[ i ].bv_val, retval );
					res = 1;
					goto done;
				}

				if ( ad != at->bam_ad ) {
					Debug( LDAP_DEBUG_ANY,
						"==>backsql_get_attr_vals(\"%s\"): "
						"column name %s differs from "
						"AttributeDescription %s\n",
						bsi->bsi_e->e_name.bv_val,
						ad->ad_cname.bv_val,
						at->bam_ad->ad_cname.bv_val );
					res = 1;
					goto done;
				}
#endif /* BACKSQL_TRACE */

				/*
				 * FIXME: what if a binary 
				 * is fetched?
				 */
				ber_str2bv( row.cols[ i ], 0, 0, &bv );

#ifdef BACKSQL_PRETTY_VALIDATE
				if ( pretty ) {
					struct berval	pbv;

					retval = pretty( at->bam_ad->ad_type->sat_syntax,
						&bv, &pbv, bsi->bsi_op->o_tmpmemctx );
					bv = pbv;

				} else {
					retval = validate( at->bam_ad->ad_type->sat_syntax,
						&bv );
				}

				if ( retval != LDAP_SUCCESS ) {
					char	buf[ SLAP_TEXT_BUFLEN ];

					/* FIXME: we're ignoring invalid values,
					 * but we're accepting the attributes;
					 * should we fail at all? */
					snprintf( buf, sizeof( buf ),
							"unable to %s value #%lu "
							"of AttributeDescription %s",
							pretty ? "prettify" : "validate",
							k - oldcount,
							at->bam_ad->ad_cname.bv_val );
					Debug( LDAP_DEBUG_TRACE,
						"==>backsql_get_attr_vals(\"%s\"): "
						"%s (%d)\n",
						bsi->bsi_e->e_name.bv_val, buf, retval );
					continue;
				}
#endif /* BACKSQL_PRETTY_VALIDATE */

#ifndef BACKSQL_COUNTQUERY
				(void)backsql_entry_addattr( bsi->bsi_e, 
						at->bam_ad, &bv,
						bsi->bsi_op->o_tmpmemctx );

#else /* BACKSQL_COUNTQUERY */
				if ( normfunc ) {
					struct berval	nbv;

					retval = (*normfunc)( SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
						at->bam_ad->ad_type->sat_syntax,
						at->bam_ad->ad_type->sat_equality,
						&bv, &nbv,
						bsi->bsi_op->o_tmpmemctx );

					if ( retval != LDAP_SUCCESS ) {
						char	buf[ SLAP_TEXT_BUFLEN ];

						/* FIXME: we're ignoring invalid values,
						 * but we're accepting the attributes;
						 * should we fail at all? */
						snprintf( buf, sizeof( buf ),
							"unable to normalize value #%lu "
							"of AttributeDescription %s",
							k - oldcount,
							at->bam_ad->ad_cname.bv_val );
						Debug( LDAP_DEBUG_TRACE,
							"==>backsql_get_attr_vals(\"%s\"): "
							"%s (%d)\n",
							bsi->bsi_e->e_name.bv_val, buf, retval );

#ifdef BACKSQL_PRETTY_VALIDATE
						if ( pretty ) {
							bsi->bsi_op->o_tmpfree( bv.bv_val,
									bsi->bsi_op->o_tmpmemctx );
						}
#endif /* BACKSQL_PRETTY_VALIDATE */

						continue;
					}
					ber_dupbv( &attr->a_nvals[ j ], &nbv );
					bsi->bsi_op->o_tmpfree( nbv.bv_val,
							bsi->bsi_op->o_tmpmemctx );
				}

				ber_dupbv( &attr->a_vals[ j ], &bv );

				assert( j < oldcount + count );
				j++;
#endif /* BACKSQL_COUNTQUERY */

#ifdef BACKSQL_PRETTY_VALIDATE
				if ( pretty ) {
					bsi->bsi_op->o_tmpfree( bv.bv_val,
							bsi->bsi_op->o_tmpmemctx );
				}
#endif /* BACKSQL_PRETTY_VALIDATE */

#ifdef BACKSQL_TRACE
				Debug( LDAP_DEBUG_TRACE, "prec=%d\n",
					(int)row.col_prec[ i ], 0, 0 );

			} else {
      				Debug( LDAP_DEBUG_TRACE, "NULL value "
					"in this row for attribute \"%s\"\n",
					row.col_names[ i ].bv_val, 0, 0 );
#endif /* BACKSQL_TRACE */
			}
		}
	}

#ifdef BACKSQL_COUNTQUERY
	if ( BER_BVISNULL( &attr->a_vals[ 0 ] ) ) {
		/* don't leave around attributes with no values */
		attr_free( attr );

	} else if ( append ) {
		Attribute	**ap;

		for ( ap = &bsi->bsi_e->e_attrs; (*ap) != NULL; ap = &(*ap)->a_next )
			/* goto last */ ;
		*ap =  attr;
	}
#endif /* BACKSQL_COUNTQUERY */

	SQLFreeStmt( sth, SQL_DROP );
	Debug( LDAP_DEBUG_TRACE, "<==backsql_get_attr_vals()\n", 0, 0, 0 );

	if ( at->bam_next ) {
		res = backsql_get_attr_vals( at->bam_next, v_bsi );
	} else {
		res = 1;
	}

#ifdef BACKSQL_TRACE
done:;
#endif /* BACKSQL_TRACE */
	backsql_FreeRow_x( &row, bsi->bsi_op->o_tmpmemctx );

	return res;
}

int
backsql_id2entry( backsql_srch_info *bsi, backsql_entryID *eid )
{
	Operation		*op = bsi->bsi_op;
	backsql_info		*bi = (backsql_info *)op->o_bd->be_private;
	int			i;
	int			rc;

	Debug( LDAP_DEBUG_TRACE, "==>backsql_id2entry()\n", 0, 0, 0 );

	assert( bsi->bsi_e != NULL );

	memset( bsi->bsi_e, 0, sizeof( Entry ) );

	if ( bi->sql_baseObject && BACKSQL_IS_BASEOBJECT_ID( &eid->eid_id ) ) {
		Entry	*e;

		e = entry_dup( bi->sql_baseObject );
		if ( e == NULL ) {
			return LDAP_NO_MEMORY;
		}
			
		*bsi->bsi_e = *e;
		free( e );
		goto done;
	}

	ber_dupbv_x( &bsi->bsi_e->e_name, &eid->eid_dn, op->o_tmpmemctx );
	ber_dupbv_x( &bsi->bsi_e->e_nname, &eid->eid_ndn, op->o_tmpmemctx );

	bsi->bsi_e->e_attrs = NULL;
	bsi->bsi_e->e_private = NULL;

	bsi->bsi_oc = backsql_id2oc( bsi->bsi_op->o_bd->be_private,
			eid->eid_oc_id );
	bsi->bsi_c_eid = eid;

#ifndef BACKSQL_ARBITRARY_KEY	
	/* FIXME: unused */
	bsi->bsi_e->e_id = eid->eid_id;
#endif /* ! BACKSQL_ARBITRARY_KEY */
 
	rc = attr_merge_normalize_one( bsi->bsi_e,
			slap_schema.si_ad_objectClass,
			&bsi->bsi_oc->bom_oc->soc_cname,
			bsi->bsi_op->o_tmpmemctx );
	if ( rc != LDAP_SUCCESS ) {
		backsql_entry_clean( op, bsi->bsi_e );
		return rc;
	}

	if ( bsi->bsi_attrs == NULL || ( bsi->bsi_flags & BSQL_SF_ALL_USER ) )
	{
		Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
			"retrieving all attributes\n", 0, 0, 0 );
		avl_apply( bsi->bsi_oc->bom_attrs, backsql_get_attr_vals,
				bsi, 0, AVL_INORDER );

	} else {
		Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
			"custom attribute list\n", 0, 0, 0 );
		for ( i = 0; !BER_BVISNULL( &bsi->bsi_attrs[ i ].an_name ); i++ ) {
			backsql_at_map_rec	**vat;
			AttributeName		*an = &bsi->bsi_attrs[ i ];
			int			j;

			/* if one of the attributes listed here is
			 * a subtype of another, it must be ignored,
			 * because subtypes are already dealt with
			 * by backsql_supad2at()
			 */
			for ( j = 0; !BER_BVISNULL( &bsi->bsi_attrs[ j ].an_name ); j++ ) {
				/* skip self */
				if ( j == i ) {
					continue;
				}

				/* skip subtypes */
				if ( is_at_subtype( an->an_desc->ad_type,
							bsi->bsi_attrs[ j ].an_desc->ad_type ) )
				{
					goto next;
				}
			}

			rc = backsql_supad2at( bsi->bsi_oc, an->an_desc, &vat );
			if ( rc != 0 || vat == NULL ) {
				Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
						"attribute \"%s\" is not defined "
						"for objectlass \"%s\"\n",
						an->an_name.bv_val, 
						BACKSQL_OC_NAME( bsi->bsi_oc ), 0 );
				continue;
			}

			for ( j = 0; vat[j]; j++ ) {
    				backsql_get_attr_vals( vat[j], bsi );
			}

			ch_free( vat );

next:;
		}
	}

	if ( bsi->bsi_flags & BSQL_SF_RETURN_ENTRYUUID ) {
		Attribute	*a_entryUUID,
				**ap;

		a_entryUUID = backsql_operational_entryUUID( bi, eid );
		if ( a_entryUUID != NULL ) {
			for ( ap = &bsi->bsi_e->e_attrs; 
					*ap; 
					ap = &(*ap)->a_next );

			*ap = a_entryUUID;
		}
	}

	if ( ( bsi->bsi_flags & BSQL_SF_ALL_OPER )
			|| an_find( bsi->bsi_attrs, &AllOper )
			|| an_find( bsi->bsi_attrs, &slap_schema.si_ad_structuralObjectClass->ad_cname ) )
	{
		if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
			Attribute	*a;
			const char	*text = NULL;
			char		textbuf[ 1024 ];
			size_t		textlen = sizeof( textbuf );
			struct berval	soc,
					bv[ 2 ],
					*nvals;
			int		rc = LDAP_SUCCESS;

			a = attr_find( bsi->bsi_e->e_attrs,
					slap_schema.si_ad_objectClass );
			if ( a != NULL ) {
				nvals = a->a_nvals;

			} else {
				bv[ 0 ] = bsi->bsi_oc->bom_oc->soc_cname;
				BER_BVZERO( &bv[ 1 ] );
				nvals = bv;
			}

			rc = structural_class( nvals, &soc, NULL, 
					&text, textbuf, textlen );
			if ( rc != LDAP_SUCCESS ) {
      				Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(%s): "
					"structural_class() failed %d (%s)\n",
					bsi->bsi_e->e_name.bv_val,
					rc, text ? text : "" );
				backsql_entry_clean( op, bsi->bsi_e );
				return rc;
			}

			if ( !bvmatch( &soc, &bsi->bsi_oc->bom_oc->soc_cname ) ) {
      				Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(%s): "
					"computed structuralObjectClass %s "
					"does not match objectClass %s associated "
					"to entry\n",
					bsi->bsi_e->e_name.bv_val, soc.bv_val,
					bsi->bsi_oc->bom_oc->soc_cname.bv_val );
				backsql_entry_clean( op, bsi->bsi_e );
				return rc;
			}
		}

		rc = attr_merge_normalize_one( bsi->bsi_e,
				slap_schema.si_ad_structuralObjectClass,
				&bsi->bsi_oc->bom_oc->soc_cname,
				bsi->bsi_op->o_tmpmemctx );
		if ( rc != LDAP_SUCCESS ) {
			backsql_entry_clean( op, bsi->bsi_e );
			return rc;
		}
	}

done:;
	Debug( LDAP_DEBUG_TRACE, "<==backsql_id2entry()\n", 0, 0, 0 );

	return LDAP_SUCCESS;
}