mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-27 03:20:22 +08:00
613 lines
14 KiB
C
613 lines
14 KiB
C
/* attr.c - backend routines for dealing with attributes */
|
|
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 2000-2012 The OpenLDAP Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
|
* Public License.
|
|
*
|
|
* A copy of this license is available in the file LICENSE in the
|
|
* top-level directory of the distribution or, alternatively, at
|
|
* <http://www.OpenLDAP.org/license.html>.
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
|
|
#include "slap.h"
|
|
#include "back-mdb.h"
|
|
#include "config.h"
|
|
#include "lutil.h"
|
|
|
|
/* Find the ad, return -1 if not found,
|
|
* set point for insertion if ins is non-NULL
|
|
*/
|
|
int
|
|
mdb_attr_slot( struct mdb_info *mdb, AttributeDescription *ad, int *ins )
|
|
{
|
|
unsigned base = 0, cursor = 0;
|
|
unsigned n = mdb->mi_nattrs;
|
|
int val = 0;
|
|
|
|
while ( 0 < n ) {
|
|
unsigned pivot = n >> 1;
|
|
cursor = base + pivot;
|
|
|
|
val = SLAP_PTRCMP( ad, mdb->mi_attrs[cursor]->ai_desc );
|
|
if ( val < 0 ) {
|
|
n = pivot;
|
|
} else if ( val > 0 ) {
|
|
base = cursor + 1;
|
|
n -= pivot + 1;
|
|
} else {
|
|
return cursor;
|
|
}
|
|
}
|
|
if ( ins ) {
|
|
if ( val > 0 )
|
|
++cursor;
|
|
*ins = cursor;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
ainfo_insert( struct mdb_info *mdb, AttrInfo *a )
|
|
{
|
|
int x;
|
|
int i = mdb_attr_slot( mdb, a->ai_desc, &x );
|
|
|
|
/* Is it a dup? */
|
|
if ( i >= 0 )
|
|
return -1;
|
|
|
|
mdb->mi_attrs = ch_realloc( mdb->mi_attrs, ( mdb->mi_nattrs+1 ) *
|
|
sizeof( AttrInfo * ));
|
|
if ( x < mdb->mi_nattrs )
|
|
AC_MEMCPY( &mdb->mi_attrs[x+1], &mdb->mi_attrs[x],
|
|
( mdb->mi_nattrs - x ) * sizeof( AttrInfo *));
|
|
mdb->mi_attrs[x] = a;
|
|
mdb->mi_nattrs++;
|
|
return 0;
|
|
}
|
|
|
|
AttrInfo *
|
|
mdb_attr_mask(
|
|
struct mdb_info *mdb,
|
|
AttributeDescription *desc )
|
|
{
|
|
int i = mdb_attr_slot( mdb, desc, NULL );
|
|
return i < 0 ? NULL : mdb->mi_attrs[i];
|
|
}
|
|
|
|
/* Open all un-opened index DB handles */
|
|
int
|
|
mdb_attr_dbs_open(
|
|
BackendDB *be, MDB_txn *tx0, ConfigReply *cr )
|
|
{
|
|
struct mdb_info *mdb = (struct mdb_info *) be->be_private;
|
|
MDB_txn *txn;
|
|
int i, flags;
|
|
int rc;
|
|
|
|
txn = tx0;
|
|
if ( txn == NULL ) {
|
|
rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn );
|
|
if ( rc ) {
|
|
snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
|
|
"txn_begin failed: %s (%d).",
|
|
be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
|
|
Debug( LDAP_DEBUG_ANY,
|
|
LDAP_XSTRING(mdb_attr_dbs) ": %s\n",
|
|
cr->msg, 0, 0 );
|
|
return rc;
|
|
}
|
|
} else {
|
|
rc = 0;
|
|
}
|
|
|
|
flags = MDB_DUPSORT|MDB_DUPFIXED|MDB_INTEGERDUP;
|
|
if ( !(slapMode & SLAP_TOOL_READONLY) )
|
|
flags |= MDB_CREATE;
|
|
|
|
for ( i=0; i<mdb->mi_nattrs; i++ ) {
|
|
if ( mdb->mi_attrs[i]->ai_dbi ) /* already open */
|
|
continue;
|
|
rc = mdb_open( txn, mdb->mi_attrs[i]->ai_desc->ad_type->sat_cname.bv_val,
|
|
flags, &mdb->mi_attrs[i]->ai_dbi );
|
|
if ( rc ) {
|
|
snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
|
|
"mdb_open(%s) failed: %s (%d).",
|
|
be->be_suffix[0].bv_val,
|
|
mdb->mi_attrs[i]->ai_desc->ad_type->sat_cname.bv_val,
|
|
mdb_strerror(rc), rc );
|
|
Debug( LDAP_DEBUG_ANY,
|
|
LDAP_XSTRING(mdb_attr_dbs) ": %s\n",
|
|
cr->msg, 0, 0 );
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Only commit if this is our txn */
|
|
if ( tx0 == NULL ) {
|
|
if ( !rc ) {
|
|
rc = mdb_txn_commit( txn );
|
|
if ( rc ) {
|
|
snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
|
|
"txn_commit failed: %s (%d).",
|
|
be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
|
|
Debug( LDAP_DEBUG_ANY,
|
|
LDAP_XSTRING(mdb_attr_dbs) ": %s\n",
|
|
cr->msg, 0, 0 );
|
|
}
|
|
} else {
|
|
mdb_txn_abort( txn );
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
void
|
|
mdb_attr_dbs_close(
|
|
struct mdb_info *mdb
|
|
)
|
|
{
|
|
int i;
|
|
for ( i=0; i<mdb->mi_nattrs; i++ )
|
|
if ( mdb->mi_attrs[i]->ai_dbi )
|
|
mdb_close( mdb->mi_dbenv, mdb->mi_attrs[i]->ai_dbi );
|
|
}
|
|
|
|
int
|
|
mdb_attr_index_config(
|
|
struct mdb_info *mdb,
|
|
const char *fname,
|
|
int lineno,
|
|
int argc,
|
|
char **argv,
|
|
struct config_reply_s *c_reply)
|
|
{
|
|
int rc = 0;
|
|
int i;
|
|
slap_mask_t mask;
|
|
char **attrs;
|
|
char **indexes = NULL;
|
|
|
|
attrs = ldap_str2charray( argv[0], "," );
|
|
|
|
if( attrs == NULL ) {
|
|
fprintf( stderr, "%s: line %d: "
|
|
"no attributes specified: %s\n",
|
|
fname, lineno, argv[0] );
|
|
return LDAP_PARAM_ERROR;
|
|
}
|
|
|
|
if ( argc > 1 ) {
|
|
indexes = ldap_str2charray( argv[1], "," );
|
|
|
|
if( indexes == NULL ) {
|
|
fprintf( stderr, "%s: line %d: "
|
|
"no indexes specified: %s\n",
|
|
fname, lineno, argv[1] );
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if( indexes == NULL ) {
|
|
mask = mdb->mi_defaultmask;
|
|
|
|
} else {
|
|
mask = 0;
|
|
|
|
for ( i = 0; indexes[i] != NULL; i++ ) {
|
|
slap_mask_t index;
|
|
rc = slap_str2index( indexes[i], &index );
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
if ( c_reply )
|
|
{
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"index type \"%s\" undefined", indexes[i] );
|
|
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto done;
|
|
}
|
|
|
|
mask |= index;
|
|
}
|
|
}
|
|
|
|
if( !mask ) {
|
|
if ( c_reply )
|
|
{
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"no indexes selected" );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto done;
|
|
}
|
|
|
|
for ( i = 0; attrs[i] != NULL; i++ ) {
|
|
AttrInfo *a;
|
|
AttributeDescription *ad;
|
|
const char *text;
|
|
#ifdef LDAP_COMP_MATCH
|
|
ComponentReference* cr = NULL;
|
|
AttrInfo *a_cr = NULL;
|
|
#endif
|
|
|
|
if( strcasecmp( attrs[i], "default" ) == 0 ) {
|
|
mdb->mi_defaultmask |= mask;
|
|
continue;
|
|
}
|
|
|
|
#ifdef LDAP_COMP_MATCH
|
|
if ( is_component_reference( attrs[i] ) ) {
|
|
rc = extract_component_reference( attrs[i], &cr );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
if ( c_reply )
|
|
{
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"index component reference\"%s\" undefined",
|
|
attrs[i] );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
goto done;
|
|
}
|
|
cr->cr_indexmask = mask;
|
|
/*
|
|
* After extracting a component reference
|
|
* only the name of a attribute will be remaining
|
|
*/
|
|
} else {
|
|
cr = NULL;
|
|
}
|
|
#endif
|
|
ad = NULL;
|
|
rc = slap_str2ad( attrs[i], &ad, &text );
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
if ( c_reply )
|
|
{
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"index attribute \"%s\" undefined",
|
|
attrs[i] );
|
|
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
if( ad == slap_schema.si_ad_entryDN || slap_ad_is_binary( ad ) ) {
|
|
if (c_reply) {
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"index of attribute \"%s\" disallowed", attrs[i] );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
rc = LDAP_UNWILLING_TO_PERFORM;
|
|
goto done;
|
|
}
|
|
|
|
if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) && !(
|
|
ad->ad_type->sat_approx
|
|
&& ad->ad_type->sat_approx->smr_indexer
|
|
&& ad->ad_type->sat_approx->smr_filter ) )
|
|
{
|
|
if (c_reply) {
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"approx index of attribute \"%s\" disallowed", attrs[i] );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
rc = LDAP_INAPPROPRIATE_MATCHING;
|
|
goto done;
|
|
}
|
|
|
|
if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) && !(
|
|
ad->ad_type->sat_equality
|
|
&& ad->ad_type->sat_equality->smr_indexer
|
|
&& ad->ad_type->sat_equality->smr_filter ) )
|
|
{
|
|
if (c_reply) {
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"equality index of attribute \"%s\" disallowed", attrs[i] );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
rc = LDAP_INAPPROPRIATE_MATCHING;
|
|
goto done;
|
|
}
|
|
|
|
if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) && !(
|
|
ad->ad_type->sat_substr
|
|
&& ad->ad_type->sat_substr->smr_indexer
|
|
&& ad->ad_type->sat_substr->smr_filter ) )
|
|
{
|
|
if (c_reply) {
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"substr index of attribute \"%s\" disallowed", attrs[i] );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
rc = LDAP_INAPPROPRIATE_MATCHING;
|
|
goto done;
|
|
}
|
|
|
|
Debug( LDAP_DEBUG_CONFIG, "index %s 0x%04lx\n",
|
|
ad->ad_cname.bv_val, mask, 0 );
|
|
|
|
a = (AttrInfo *) ch_malloc( sizeof(AttrInfo) );
|
|
|
|
#ifdef LDAP_COMP_MATCH
|
|
a->ai_cr = NULL;
|
|
#endif
|
|
a->ai_cursor = NULL;
|
|
a->ai_flist = NULL;
|
|
a->ai_clist = NULL;
|
|
a->ai_root = NULL;
|
|
a->ai_desc = ad;
|
|
a->ai_dbi = 0;
|
|
|
|
if ( mdb->mi_flags & MDB_IS_OPEN ) {
|
|
a->ai_indexmask = 0;
|
|
a->ai_newmask = mask;
|
|
} else {
|
|
a->ai_indexmask = mask;
|
|
a->ai_newmask = 0;
|
|
}
|
|
|
|
#ifdef LDAP_COMP_MATCH
|
|
if ( cr ) {
|
|
a_cr = mdb_attr_mask( mdb, ad );
|
|
if ( a_cr ) {
|
|
/*
|
|
* AttrInfo is already in AVL
|
|
* just add the extracted component reference
|
|
* in the AttrInfo
|
|
*/
|
|
rc = insert_component_reference( cr, &a_cr->ai_cr );
|
|
if ( rc != LDAP_SUCCESS) {
|
|
fprintf( stderr, " error during inserting component reference in %s ", attrs[i]);
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto done;
|
|
}
|
|
continue;
|
|
} else {
|
|
rc = insert_component_reference( cr, &a->ai_cr );
|
|
if ( rc != LDAP_SUCCESS) {
|
|
fprintf( stderr, " error during inserting component reference in %s ", attrs[i]);
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto done;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
rc = ainfo_insert( mdb, a );
|
|
if( rc ) {
|
|
if ( mdb->mi_flags & MDB_IS_OPEN ) {
|
|
AttrInfo *b = mdb_attr_mask( mdb, ad );
|
|
/* If there is already an index defined for this attribute
|
|
* it must be replaced. Otherwise we end up with multiple
|
|
* olcIndex values for the same attribute */
|
|
if ( b->ai_indexmask & MDB_INDEX_DELETING ) {
|
|
/* If we were editing this attr, reset it */
|
|
b->ai_indexmask &= ~MDB_INDEX_DELETING;
|
|
/* If this is leftover from a previous add, commit it */
|
|
if ( b->ai_newmask )
|
|
b->ai_indexmask = b->ai_newmask;
|
|
b->ai_newmask = a->ai_newmask;
|
|
ch_free( a );
|
|
rc = 0;
|
|
continue;
|
|
}
|
|
}
|
|
if (c_reply) {
|
|
snprintf(c_reply->msg, sizeof(c_reply->msg),
|
|
"duplicate index definition for attr \"%s\"",
|
|
attrs[i] );
|
|
fprintf( stderr, "%s: line %d: %s\n",
|
|
fname, lineno, c_reply->msg );
|
|
}
|
|
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
done:
|
|
ldap_charray_free( attrs );
|
|
if ( indexes != NULL ) ldap_charray_free( indexes );
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
mdb_attr_index_unparser( void *v1, void *v2 )
|
|
{
|
|
AttrInfo *ai = v1;
|
|
BerVarray *bva = v2;
|
|
struct berval bv;
|
|
char *ptr;
|
|
|
|
slap_index2bvlen( ai->ai_indexmask, &bv );
|
|
if ( bv.bv_len ) {
|
|
bv.bv_len += ai->ai_desc->ad_cname.bv_len + 1;
|
|
ptr = ch_malloc( bv.bv_len+1 );
|
|
bv.bv_val = lutil_strcopy( ptr, ai->ai_desc->ad_cname.bv_val );
|
|
*bv.bv_val++ = ' ';
|
|
slap_index2bv( ai->ai_indexmask, &bv );
|
|
bv.bv_val = ptr;
|
|
ber_bvarray_add( bva, &bv );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static AttributeDescription addef = { NULL, NULL, BER_BVC("default") };
|
|
static AttrInfo aidef = { &addef };
|
|
|
|
void
|
|
mdb_attr_index_unparse( struct mdb_info *mdb, BerVarray *bva )
|
|
{
|
|
int i;
|
|
|
|
if ( mdb->mi_defaultmask ) {
|
|
aidef.ai_indexmask = mdb->mi_defaultmask;
|
|
mdb_attr_index_unparser( &aidef, bva );
|
|
}
|
|
for ( i=0; i<mdb->mi_nattrs; i++ )
|
|
mdb_attr_index_unparser( mdb->mi_attrs[i], bva );
|
|
}
|
|
|
|
void
|
|
mdb_attr_info_free( AttrInfo *ai )
|
|
{
|
|
#ifdef LDAP_COMP_MATCH
|
|
free( ai->ai_cr );
|
|
#endif
|
|
free( ai );
|
|
}
|
|
|
|
void
|
|
mdb_attr_index_destroy( struct mdb_info *mdb )
|
|
{
|
|
int i;
|
|
|
|
for ( i=0; i<mdb->mi_nattrs; i++ )
|
|
mdb_attr_info_free( mdb->mi_attrs[i] );
|
|
|
|
free( mdb->mi_attrs );
|
|
}
|
|
|
|
void mdb_attr_index_free( struct mdb_info *mdb, AttributeDescription *ad )
|
|
{
|
|
int i;
|
|
|
|
i = mdb_attr_slot( mdb, ad, NULL );
|
|
if ( i >= 0 ) {
|
|
mdb_attr_info_free( mdb->mi_attrs[i] );
|
|
mdb->mi_nattrs--;
|
|
for (; i<mdb->mi_nattrs; i++)
|
|
mdb->mi_attrs[i] = mdb->mi_attrs[i+1];
|
|
}
|
|
}
|
|
|
|
void mdb_attr_flush( struct mdb_info *mdb )
|
|
{
|
|
int i;
|
|
|
|
for ( i=0; i<mdb->mi_nattrs; i++ ) {
|
|
if ( mdb->mi_attrs[i]->ai_indexmask & MDB_INDEX_DELETING ) {
|
|
int j;
|
|
mdb_attr_info_free( mdb->mi_attrs[i] );
|
|
mdb->mi_nattrs--;
|
|
for (j=i; j<mdb->mi_nattrs; j++)
|
|
mdb->mi_attrs[j] = mdb->mi_attrs[j+1];
|
|
i--;
|
|
}
|
|
}
|
|
}
|
|
|
|
int mdb_ad_read( struct mdb_info *mdb, MDB_txn *txn )
|
|
{
|
|
int i, rc;
|
|
MDB_cursor *mc;
|
|
MDB_val key, data;
|
|
struct berval bdata;
|
|
const char *text;
|
|
AttributeDescription *ad;
|
|
|
|
rc = mdb_cursor_open( txn, mdb->mi_ad2id, &mc );
|
|
if ( rc ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"mdb_ad_read: cursor_open failed %s(%d)\n",
|
|
mdb_strerror(rc), rc, 0);
|
|
return rc;
|
|
}
|
|
|
|
/* our array is 1-based, an index of 0 means no data */
|
|
i = mdb->mi_numads+1;
|
|
key.mv_size = sizeof(int);
|
|
key.mv_data = &i;
|
|
|
|
rc = mdb_cursor_get( mc, &key, &data, MDB_SET );
|
|
|
|
while ( rc == MDB_SUCCESS ) {
|
|
bdata.bv_len = data.mv_size;
|
|
bdata.bv_val = data.mv_data;
|
|
ad = NULL;
|
|
rc = slap_bv2ad( &bdata, &ad, &text );
|
|
if ( rc ) {
|
|
rc = slap_bv2undef_ad( &bdata, &mdb->mi_ads[i], &text, 0 );
|
|
} else {
|
|
if ( ad->ad_index >= MDB_MAXADS ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"mdb_adb_read: too many AttributeDescriptions in use\n",
|
|
0, 0, 0 );
|
|
return LDAP_OTHER;
|
|
}
|
|
mdb->mi_adxs[ad->ad_index] = i;
|
|
mdb->mi_ads[i] = ad;
|
|
}
|
|
i++;
|
|
rc = mdb_cursor_get( mc, &key, &data, MDB_NEXT );
|
|
}
|
|
mdb->mi_numads = i-1;
|
|
|
|
done:
|
|
if ( rc == MDB_NOTFOUND )
|
|
rc = 0;
|
|
|
|
mdb_cursor_close( mc );
|
|
|
|
return rc;
|
|
}
|
|
|
|
int mdb_ad_get( struct mdb_info *mdb, MDB_txn *txn, AttributeDescription *ad )
|
|
{
|
|
int i, rc;
|
|
MDB_val key, val;
|
|
|
|
rc = mdb_ad_read( mdb, txn );
|
|
if (rc)
|
|
return rc;
|
|
|
|
if ( mdb->mi_adxs[ad->ad_index] )
|
|
return 0;
|
|
|
|
i = mdb->mi_numads+1;
|
|
key.mv_size = sizeof(int);
|
|
key.mv_data = &i;
|
|
val.mv_size = ad->ad_cname.bv_len;
|
|
val.mv_data = ad->ad_cname.bv_val;
|
|
|
|
rc = mdb_put( txn, mdb->mi_ad2id, &key, &val, 0 );
|
|
if ( rc == MDB_SUCCESS ) {
|
|
mdb->mi_adxs[ad->ad_index] = i;
|
|
mdb->mi_ads[i] = ad;
|
|
mdb->mi_numads++;
|
|
} else {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"mdb_ad_get: mdb_put failed %s(%d)\n",
|
|
mdb_strerror(rc), rc, 0);
|
|
}
|
|
|
|
return rc;
|
|
}
|