/* rwm.c - rewrite/remap operations */
/* $OpenLDAP: pkg/ldap/servers/slapd/overlays/rwm.c,v 1.37.2.18 2007/01/05 09:47:11 ando Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2003-2007 The OpenLDAP Foundation.
* Portions Copyright 2003 Pierangelo Masarati.
* 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"
#ifdef SLAPD_OVER_RWM
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#include "rwm.h"
typedef struct rwm_op_state {
ber_tag_t r_tag;
struct berval ro_dn;
struct berval ro_ndn;
struct berval r_dn;
struct berval r_ndn;
OpRequest o_request;
} rwm_op_state;
static int
rwm_db_destroy( BackendDB *be );
typedef struct rwm_op_cb {
slap_callback cb;
rwm_op_state ros;
} rwm_op_cb;
static int
rwm_op_cleanup( Operation *op, SlapReply *rs )
{
slap_callback *cb = op->o_callback;
rwm_op_state *ros = cb->sc_private;
if ( rs->sr_type == REP_RESULT || rs->sr_type == REP_EXTENDED ||
op->o_abandon || rs->sr_err == SLAPD_ABANDON ) {
op->o_req_dn = ros->ro_dn;
op->o_req_ndn = ros->ro_ndn;
if ( !BER_BVISEMPTY( &ros->r_dn )) ch_free( ros->r_dn.bv_val );
if ( !BER_BVISEMPTY( &ros->r_ndn )) ch_free( ros->r_ndn.bv_val );
switch( ros->r_tag ) {
case LDAP_REQ_COMPARE:
if ( op->orc_ava->aa_value.bv_val != ros->orc_ava->aa_value.bv_val )
op->o_tmpfree( op->orc_ava->aa_value.bv_val, op->o_tmpmemctx );
op->orc_ava = ros->orc_ava;
break;
case LDAP_REQ_MODIFY:
slap_mods_free( op->orm_modlist, 1 );
op->orm_modlist = ros->orm_modlist;
break;
case LDAP_REQ_MODRDN:
if ( op->orr_newSup != ros->orr_newSup ) {
ch_free( op->orr_newSup->bv_val );
ch_free( op->orr_nnewSup->bv_val );
op->o_tmpfree( op->orr_newSup, op->o_tmpmemctx );
op->o_tmpfree( op->orr_nnewSup, op->o_tmpmemctx );
op->orr_newSup = ros->orr_newSup;
op->orr_nnewSup = ros->orr_nnewSup;
}
break;
case LDAP_REQ_SEARCH:
ch_free( op->ors_attrs );
filter_free_x( op, op->ors_filter );
ch_free( op->ors_filterstr.bv_val );
op->ors_attrs = ros->ors_attrs;
op->ors_filter = ros->ors_filter;
op->ors_filterstr = ros->ors_filterstr;
break;
case LDAP_REQ_EXTENDED:
if ( op->ore_reqdata != ros->ore_reqdata ) {
ber_bvfree( op->ore_reqdata );
op->ore_reqdata = ros->ore_reqdata;
}
break;
default: break;
}
op->o_callback = op->o_callback->sc_next;
op->o_tmpfree( cb, op->o_tmpmemctx );
}
return SLAP_CB_CONTINUE;
}
static rwm_op_cb *
rwm_callback_get( Operation *op, SlapReply *rs )
{
rwm_op_cb *roc = NULL;
roc = op->o_tmpalloc( sizeof( struct rwm_op_cb ), op->o_tmpmemctx );
roc->cb.sc_cleanup = rwm_op_cleanup;
roc->cb.sc_response = NULL;
roc->cb.sc_next = op->o_callback;
roc->cb.sc_private = &roc->ros;
roc->ros.r_tag = op->o_tag;
roc->ros.ro_dn = op->o_req_dn;
roc->ros.ro_ndn = op->o_req_ndn;
roc->ros.o_request = op->o_request;
BER_BVZERO( &roc->ros.r_dn );
BER_BVZERO( &roc->ros.r_ndn );
return roc;
}
static int
rwm_op_dn_massage( Operation *op, SlapReply *rs, void *cookie,
rwm_op_state *ros )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
struct berval dn = BER_BVNULL,
ndn = BER_BVNULL;
int rc = 0;
dncookie dc;
/*
* Rewrite the dn if needed
*/
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = (char *)cookie;
#else /* ! ENABLE_REWRITE */
dc.tofrom = ((int *)cookie)[0];
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
/* NOTE: in those cases where only the ndn is available,
* and the caller sets op->o_req_dn = op->o_req_ndn,
* only rewrite the op->o_req_ndn and use it as
* op->o_req_dn as well */
ndn = op->o_req_ndn;
if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
dn = op->o_req_dn;
rc = rwm_dn_massage_pretty_normalize( &dc, &op->o_req_dn, &dn, &ndn );
} else {
rc = rwm_dn_massage_normalize( &dc, &op->o_req_ndn, &ndn );
}
if ( rc != LDAP_SUCCESS ) {
return rc;
}
if ( ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val && dn.bv_val == op->o_req_dn.bv_val )
|| ndn.bv_val == op->o_req_ndn.bv_val )
{
return LDAP_SUCCESS;
}
if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
op->o_req_dn = dn;
ros->r_dn = dn;
} else {
op->o_req_dn = ndn;
}
ros->r_ndn = ndn;
op->o_req_ndn = ndn;
return LDAP_SUCCESS;
}
static int
rwm_op_add( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int rc,
i;
Attribute **ap = NULL;
char *olddn = op->o_req_dn.bv_val;
int isupdate;
rwm_op_cb *roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "addDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "addDN massage error" );
return -1;
}
if ( olddn != op->o_req_dn.bv_val ) {
ber_bvreplace( &op->ora_e->e_name, &op->o_req_dn );
ber_bvreplace( &op->ora_e->e_nname, &op->o_req_ndn );
}
/* Count number of attributes in entry */
isupdate = be_shadow_update( op );
for ( i = 0, ap = &op->oq_add.rs_e->e_attrs; *ap; ) {
Attribute *a;
if ( (*ap)->a_desc == slap_schema.si_ad_objectClass ||
(*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
{
int j, last;
for ( last = 0; !BER_BVISNULL( &(*ap)->a_vals[ last ] ); last++ )
/* count values */ ;
last--;
for ( j = 0; !BER_BVISNULL( &(*ap)->a_vals[ j ] ); j++ ) {
struct ldapmapping *mapping = NULL;
( void )rwm_mapping( &rwmap->rwm_oc, &(*ap)->a_vals[ j ],
&mapping, RWM_MAP );
if ( mapping == NULL ) {
if ( rwmap->rwm_at.drop_missing ) {
/* FIXME: we allow to remove objectClasses as well;
* if the resulting entry is inconsistent, that's
* the relayed database's business...
*/
ch_free( (*ap)->a_vals[ j ].bv_val );
if ( last > j ) {
(*ap)->a_vals[ j ] = (*ap)->a_vals[ last ];
}
BER_BVZERO( &(*ap)->a_vals[ last ] );
last--;
j--;
}
} else {
ch_free( (*ap)->a_vals[ j ].bv_val );
ber_dupbv( &(*ap)->a_vals[ j ], &mapping->m_dst );
}
}
} else if ( !isupdate && !get_manageDIT( op ) && (*ap)->a_desc->ad_type->sat_no_user_mod )
{
goto next_attr;
} else {
struct ldapmapping *mapping = NULL;
( void )rwm_mapping( &rwmap->rwm_at, &(*ap)->a_desc->ad_cname,
&mapping, RWM_MAP );
if ( mapping == NULL ) {
if ( rwmap->rwm_at.drop_missing ) {
goto cleanup_attr;
}
}
if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
|| ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
{
/*
* FIXME: rewrite could fail; in this case
* the operation should give up, right?
*/
#ifdef ENABLE_REWRITE
rc = rwm_dnattr_rewrite( op, rs, "addAttrDN",
(*ap)->a_vals,
(*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_dnattr_rewrite( op, rs, &rc, (*ap)->a_vals,
(*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
#endif /* ! ENABLE_REWRITE */
if ( rc ) {
goto cleanup_attr;
}
} else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
#ifdef ENABLE_REWRITE
rc = rwm_referral_rewrite( op, rs, "referralAttrDN",
(*ap)->a_vals,
(*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_referral_rewrite( op, rs, &rc, (*ap)->a_vals,
(*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
goto cleanup_attr;
}
}
if ( mapping != NULL ) {
assert( mapping->m_dst_ad != NULL );
(*ap)->a_desc = mapping->m_dst_ad;
}
}
next_attr:;
ap = &(*ap)->a_next;
continue;
cleanup_attr:;
/* FIXME: leaking attribute/values? */
a = *ap;
*ap = (*ap)->a_next;
attr_free( a );
}
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
#ifdef ENABLE_REWRITE
static int
rwm_conn_init( BackendDB *be, Connection *conn )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
( void )rewrite_session_init( rwmap->rwm_rw, conn );
return SLAP_CB_CONTINUE;
}
static int
rwm_conn_destroy( BackendDB *be, Connection *conn )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
( void )rewrite_session_delete( rwmap->rwm_rw, conn );
return SLAP_CB_CONTINUE;
}
#endif /* ENABLE_REWRITE */
static int
rwm_op_bind( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
int rc;
rwm_op_cb *roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "bindDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "bindDN massage error" );
return -1;
}
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static int
rwm_op_unbind( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
#ifdef ENABLE_REWRITE
rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
#endif /* ENABLE_REWRITE */
return SLAP_CB_CONTINUE;
}
static int
rwm_op_compare( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int rc;
struct berval mapped_vals[2] = { BER_BVNULL, BER_BVNULL };
rwm_op_cb *roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "compareDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "compareDN massage error" );
return -1;
}
/* if the attribute is an objectClass, try to remap its value */
if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
|| op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass )
{
rwm_map( &rwmap->rwm_oc, &op->orc_ava->aa_value,
&mapped_vals[0], RWM_MAP );
if ( BER_BVISNULL( &mapped_vals[0] ) || BER_BVISEMPTY( &mapped_vals[0] ) )
{
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, LDAP_OTHER, "compare objectClass map error" );
return -1;
} else if ( mapped_vals[0].bv_val != op->orc_ava->aa_value.bv_val ) {
ber_dupbv_x( &op->orc_ava->aa_value, &mapped_vals[0],
op->o_tmpmemctx );
}
} else {
struct ldapmapping *mapping = NULL;
AttributeDescription *ad = op->orc_ava->aa_desc;
( void )rwm_mapping( &rwmap->rwm_at, &op->orc_ava->aa_desc->ad_cname,
&mapping, RWM_MAP );
if ( mapping == NULL ) {
if ( rwmap->rwm_at.drop_missing ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, LDAP_OTHER, "compare attributeType map error" );
return -1;
}
} else {
assert( mapping->m_dst_ad != NULL );
ad = mapping->m_dst_ad;
}
if ( op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
|| ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
{
struct berval *mapped_valsp[2];
mapped_valsp[0] = &mapped_vals[0];
mapped_valsp[1] = &mapped_vals[1];
mapped_vals[0] = op->orc_ava->aa_value;
#ifdef ENABLE_REWRITE
rc = rwm_dnattr_rewrite( op, rs, "compareAttrDN", NULL, mapped_valsp );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_dnattr_rewrite( op, rs, &rc, NULL, mapped_valsp );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "compareAttrDN massage error" );
return -1;
}
if ( mapped_vals[ 0 ].bv_val != op->orc_ava->aa_value.bv_val ) {
/* NOTE: if we get here, rwm_dnattr_rewrite()
* already freed the old value, so now
* it's invalid */
ber_dupbv_x( &op->orc_ava->aa_value, &mapped_vals[0],
op->o_tmpmemctx );
ber_memfree_x( mapped_vals[ 0 ].bv_val, NULL );
}
}
op->orc_ava->aa_desc = ad;
}
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static int
rwm_op_delete( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
int rc;
rwm_op_cb *roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "deleteDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "deleteDN massage error" );
return -1;
}
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static int
rwm_op_modify( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int isupdate;
Modifications **mlp;
int rc;
rwm_op_cb *roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "modifyDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "modifyDN massage error" );
return -1;
}
isupdate = be_shadow_update( op );
for ( mlp = &op->oq_modify.rs_modlist; *mlp; ) {
int is_oc = 0;
Modifications *ml;
struct ldapmapping *mapping = NULL;
/* duplicate the modlist */
ml = ch_malloc( sizeof( Modifications ));
*ml = **mlp;
*mlp = ml;
if ( ml->sml_desc == slap_schema.si_ad_objectClass
|| ml->sml_desc == slap_schema.si_ad_structuralObjectClass )
{
is_oc = 1;
} else if ( !isupdate && !get_manageDIT( op ) && (*mlp)->sml_desc->ad_type->sat_no_user_mod )
{
goto next_mod;
} else {
int drop_missing;
drop_missing = rwm_mapping( &rwmap->rwm_at,
&ml->sml_desc->ad_cname,
&mapping, RWM_MAP );
if ( drop_missing || ( mapping != NULL && BER_BVISNULL( &mapping->m_dst ) ) )
{
goto cleanup_mod;
}
}
if ( ml->sml_values != NULL ) {
int i, num;
struct berval *bva;
for ( num = 0; !BER_BVISNULL( &ml->sml_values[ num ] ); num++ )
/* count values */ ;
bva = ch_malloc( (num+1) * sizeof( struct berval ));
for (i=0; i<num; i++)
ber_dupbv( &bva[i], &ml->sml_values[i] );
BER_BVZERO( &bva[i] );
ml->sml_values = bva;
if ( ml->sml_nvalues ) {
bva = ch_malloc( (num+1) * sizeof( struct berval ));
for (i=0; i<num; i++)
ber_dupbv( &bva[i], &ml->sml_nvalues[i] );
BER_BVZERO( &bva[i] );
ml->sml_nvalues = bva;
}
if ( is_oc ) {
int last, j;
last = num-1;
for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) {
struct ldapmapping *oc_mapping = NULL;
( void )rwm_mapping( &rwmap->rwm_oc, &ml->sml_values[ j ],
&oc_mapping, RWM_MAP );
if ( oc_mapping == NULL ) {
if ( rwmap->rwm_at.drop_missing ) {
/* FIXME: we allow to remove objectClasses as well;
* if the resulting entry is inconsistent, that's
* the relayed database's business...
*/
if ( last > j ) {
ch_free( ml->sml_values[ j ].bv_val );
ml->sml_values[ j ] = ml->sml_values[ last ];
}
BER_BVZERO( &ml->sml_values[ last ] );
last--;
j--;
}
} else {
ch_free( ml->sml_values[ j ].bv_val );
ber_dupbv( &ml->sml_values[ j ], &oc_mapping->m_dst );
}
}
} else {
if ( ml->sml_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
|| ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
{
#ifdef ENABLE_REWRITE
rc = rwm_dnattr_rewrite( op, rs, "modifyAttrDN",
ml->sml_values,
ml->sml_nvalues ? &ml->sml_nvalues : NULL );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_dnattr_rewrite( op, rs, &rc,
ml->sml_values,
ml->sml_nvalues ? &ml->sml_nvalues : NULL );
#endif /* ! ENABLE_REWRITE */
} else if ( ml->sml_desc == slap_schema.si_ad_ref ) {
#ifdef ENABLE_REWRITE
rc = rwm_referral_rewrite( op, rs,
"referralAttrDN",
ml->sml_values,
ml->sml_nvalues ? &ml->sml_nvalues : NULL );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_referral_rewrite( op, rs, &rc,
ml->sml_values,
ml->sml_nvalues ? &ml->sml_nvalues : NULL );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
goto cleanup_mod;
}
}
if ( rc != LDAP_SUCCESS ) {
goto cleanup_mod;
}
}
}
next_mod:;
if ( mapping != NULL ) {
/* use new attribute description */
assert( mapping->m_dst_ad != NULL );
ml->sml_desc = mapping->m_dst_ad;
}
mlp = &ml->sml_next;
continue;
cleanup_mod:;
ml = *mlp;
*mlp = (*mlp)->sml_next;
slap_mod_free( &ml->sml_mod, 0 );
free( ml );
}
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static int
rwm_op_modrdn( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int rc;
rwm_op_cb *roc = rwm_callback_get( op, rs );
if ( op->orr_newSup ) {
dncookie dc;
struct berval nnewSup = BER_BVNULL;
struct berval newSup = BER_BVNULL;
/*
* Rewrite the new superior, if defined and required
*/
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "newSuperiorDN";
#else /* ! ENABLE_REWRITE */
dc.tofrom = 0;
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
newSup = *op->orr_newSup;
nnewSup = *op->orr_nnewSup;
rc = rwm_dn_massage_pretty_normalize( &dc, op->orr_newSup, &newSup, &nnewSup );
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "newSuperiorDN massage error" );
return -1;
}
if ( op->orr_newSup->bv_val != newSup.bv_val ) {
op->orr_newSup = op->o_tmpalloc( sizeof( struct berval ),
op->o_tmpmemctx );
op->orr_nnewSup = op->o_tmpalloc( sizeof( struct berval ),
op->o_tmpmemctx );
*op->orr_newSup = newSup;
*op->orr_nnewSup = nnewSup;
}
}
/*
* Rewrite the dn, if needed
*/
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "renameDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "renameDN massage error" );
if ( op->orr_newSup != roc->ros.orr_newSup ) {
ch_free( op->orr_newSup->bv_val );
ch_free( op->orr_nnewSup->bv_val );
op->o_tmpfree( op->orr_newSup, op->o_tmpmemctx );
op->o_tmpfree( op->orr_nnewSup, op->o_tmpmemctx );
op->orr_newSup = roc->ros.orr_newSup;
op->orr_nnewSup = roc->ros.orr_nnewSup;
}
return -1;
}
/* TODO: rewrite newRDN, attribute types,
* values of DN-valued attributes ... */
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static int
rwm_swap_attrs( Operation *op, SlapReply *rs )
{
slap_callback *cb = op->o_callback;
rwm_op_state *ros = cb->sc_private;
rs->sr_attrs = ros->ors_attrs;
return SLAP_CB_CONTINUE;
}
static int
rwm_op_search( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int rc;
dncookie dc;
struct berval fstr = BER_BVNULL;
Filter *f = NULL;
AttributeName *an = NULL;
char *text = NULL;
rwm_op_cb *roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rewrite_session_var_set( rwmap->rwm_rw, op->o_conn,
"searchFilter", op->ors_filterstr.bv_val );
if ( rc == LDAP_SUCCESS )
rc = rwm_op_dn_massage( op, rs, "searchDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
text = "searchDN massage error";
goto error_return;
}
/*
* Rewrite the dn if needed
*/
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "searchFilterAttrDN";
#else /* ! ENABLE_REWRITE */
dc.tofrom = 0;
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
rc = rwm_filter_map_rewrite( op, &dc, op->ors_filter, &fstr );
if ( rc != LDAP_SUCCESS ) {
text = "searchFilter/searchFilterAttrDN massage error";
goto error_return;
}
f = str2filter_x( op, fstr.bv_val );
if ( f == NULL ) {
text = "massaged filter parse error";
goto error_return;
}
op->ors_filter = f;
op->ors_filterstr = fstr;
rc = rwm_map_attrnames( &rwmap->rwm_at, &rwmap->rwm_oc,
op->ors_attrs, &an, RWM_MAP );
if ( rc != LDAP_SUCCESS ) {
text = "attribute list mapping error";
goto error_return;
}
op->ors_attrs = an;
roc->cb.sc_response = rwm_swap_attrs;
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
error_return:;
if ( an != NULL ) {
ch_free( an );
}
if ( f != NULL ) {
filter_free_x( op, f );
}
if ( !BER_BVISNULL( &fstr ) ) {
ch_free( fstr.bv_val );
}
op->oq_search = roc->ros.oq_search;
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, text );
return -1;
}
static int
rwm_exop_passwd( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
int rc;
rwm_op_cb *roc;
struct berval id = BER_BVNULL,
pwold = BER_BVNULL,
pwnew = BER_BVNULL;
BerElement *ber = NULL;
if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
return LDAP_SUCCESS;
}
if ( !SLAP_ISGLOBALOVERLAY( op->o_bd ) ) {
rs->sr_err = LDAP_OTHER;
return rs->sr_err;
}
rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
&pwold, &pwnew, &rs->sr_text );
if ( rs->sr_err != LDAP_SUCCESS ) {
return rs->sr_err;
}
if ( !BER_BVISNULL( &id ) ) {
rs->sr_err = dnPrettyNormal( NULL, &id, &op->o_req_dn,
&op->o_req_ndn, op->o_tmpmemctx );
if ( rs->sr_err != LDAP_SUCCESS ) {
rs->sr_text = "Invalid DN";
return rs->sr_err;
}
} else {
ber_dupbv_x( &op->o_req_dn, &op->o_dn, op->o_tmpmemctx );
ber_dupbv_x( &op->o_req_ndn, &op->o_ndn, op->o_tmpmemctx );
}
roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "extendedDN massage error" );
return -1;
}
ber = ber_alloc_t( LBER_USE_DER );
if ( !ber ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "No memory";
return rs->sr_err;
}
ber_printf( ber, "{" );
if ( !BER_BVISNULL( &id )) {
ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
&op->o_req_dn );
}
if ( !BER_BVISNULL( &pwold )) {
ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, &pwold );
}
if ( !BER_BVISNULL( &pwnew )) {
ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, &pwnew );
}
ber_printf( ber, "N}" );
ber_flatten( ber, &op->ore_reqdata );
ber_free( ber, 1 );
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static struct exop {
struct berval oid;
BI_op_extended *extended;
} exop_table[] = {
{ BER_BVC(LDAP_EXOP_MODIFY_PASSWD), rwm_exop_passwd },
{ BER_BVNULL, NULL }
};
static int
rwm_extended( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
int rc;
rwm_op_cb *roc;
int i;
for ( i = 0; exop_table[i].extended != NULL; i++ ) {
if ( bvmatch( &exop_table[i].oid, &op->oq_extended.rs_reqoid ) )
{
rc = exop_table[i].extended( op, rs );
switch ( rc ) {
case LDAP_SUCCESS:
break;
case SLAP_CB_CONTINUE:
case SLAPD_ABANDON:
return rc;
default:
send_ldap_result( op, rs );
return rc;
}
break;
}
}
roc = rwm_callback_get( op, rs );
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc, &roc->ros );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "extendedDN massage error" );
return -1;
}
/* TODO: rewrite/map extended data ? ... */
op->o_callback = &roc->cb;
return SLAP_CB_CONTINUE;
}
static int
rwm_matched( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
struct berval dn, mdn;
dncookie dc;
int rc;
if ( rs->sr_matched == NULL ) {
return SLAP_CB_CONTINUE;
}
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "matchedDN";
#else /* ! ENABLE_REWRITE */
dc.tofrom = 0;
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
ber_str2bv( rs->sr_matched, 0, 0, &dn );
mdn = dn;
rc = rwm_dn_massage_pretty( &dc, &dn, &mdn );
if ( rc != LDAP_SUCCESS ) {
rs->sr_err = rc;
rs->sr_text = "Rewrite error";
return 1;
}
if ( mdn.bv_val != dn.bv_val ) {
if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
ch_free( (void *)rs->sr_matched );
} else {
rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
}
rs->sr_matched = mdn.bv_val;
}
return SLAP_CB_CONTINUE;
}
static int
rwm_attrs( Operation *op, SlapReply *rs, Attribute** a_first, int stripEntryDN )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
dncookie dc;
int rc;
Attribute **ap;
int isupdate;
/*
* Rewrite the dn attrs, if needed
*/
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = NULL;
#else /* ! ENABLE_REWRITE */
dc.tofrom = 0;
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
/* FIXME: the entries are in the remote mapping form;
* so we need to select those attributes we are willing
* to return, and remap them accordingly */
/* FIXME: in principle, one could map an attribute
* on top of another, which already exists.
* As such, in the end there might exist more than
* one instance of an attribute.
* We should at least check if this occurs, and issue
* an error (because multiple instances of attrs in
* response are not valid), or merge the values (what
* about duplicate values?) */
isupdate = be_shadow_update( op );
for ( ap = a_first; *ap; ) {
struct ldapmapping *mapping = NULL;
int drop_missing;
int last;
Attribute *a;
if ( SLAP_OPATTRS( rs->sr_attr_flags ) && is_at_operational( (*ap)->a_desc->ad_type ) )
{
/* go on */ ;
} else {
if ( op->ors_attrs != NULL &&
!SLAP_USERATTRS( rs->sr_attr_flags ) &&
!ad_inlist( (*ap)->a_desc, op->ors_attrs ) )
{
goto cleanup_attr;
}
drop_missing = rwm_mapping( &rwmap->rwm_at,
&(*ap)->a_desc->ad_cname, &mapping, RWM_REMAP );
if ( drop_missing || ( mapping != NULL && BER_BVISEMPTY( &mapping->m_dst ) ) )
{
goto cleanup_attr;
}
if ( mapping != NULL ) {
(*ap)->a_desc = mapping->m_dst_ad;
}
}
if ( (*ap)->a_desc == slap_schema.si_ad_entryDN ) {
if ( stripEntryDN ) {
/* will be generated by frontend */
goto cleanup_attr;
}
} else if ( !isupdate
&& !get_manageDIT( op )
&& (*ap)->a_desc->ad_type->sat_no_user_mod
&& (*ap)->a_desc->ad_type != slap_schema.si_at_undefined )
{
goto next_attr;
}
for ( last = 0; !BER_BVISNULL( &(*ap)->a_vals[last] ); last++ )
/* just count */ ;
if ( last == 0 ) {
/* empty? leave it in place because of attrsonly and vlv */
goto next_attr;
}
last--;
if ( (*ap)->a_desc == slap_schema.si_ad_objectClass
|| (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
{
struct berval *bv;
for ( bv = (*ap)->a_vals; !BER_BVISNULL( bv ); bv++ ) {
struct berval mapped;
rwm_map( &rwmap->rwm_oc, &bv[0], &mapped, RWM_REMAP );
if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
ch_free( bv[0].bv_val );
BER_BVZERO( &bv[0] );
if ( &(*ap)->a_vals[last] > &bv[0] ) {
bv[0] = (*ap)->a_vals[last];
BER_BVZERO( &(*ap)->a_vals[last] );
}
last--;
bv--;
} else if ( mapped.bv_val != bv[0].bv_val ) {
/*
* FIXME: after LBER_FREEing
* the value is replaced by
* ch_alloc'ed memory
*/
ber_bvreplace( &bv[0], &mapped );
}
}
/*
* It is necessary to try to rewrite attributes with
* dn syntax because they might be used in ACLs as
* members of groups; since ACLs are applied to the
* rewritten stuff, no dn-based subject clause could
* be used at the ldap backend side (see
* http://www.OpenLDAP.org/faq/data/cache/452.html)
* The problem can be overcome by moving the dn-based
* ACLs to the target directory server, and letting
* everything pass thru the ldap backend. */
/* FIXME: handle distinguishedName-like syntaxes, like
* nameAndOptionalUID */
} else if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
|| ( mapping != NULL && mapping->m_src_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
{
#ifdef ENABLE_REWRITE
dc.ctx = "searchAttrDN";
#endif /* ENABLE_REWRITE */
rc = rwm_dnattr_result_rewrite( &dc, (*ap)->a_vals );
if ( rc != LDAP_SUCCESS ) {
goto cleanup_attr;
}
} else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
#ifdef ENABLE_REWRITE
dc.ctx = "searchAttrDN";
#endif /* ENABLE_REWRITE */
rc = rwm_referral_result_rewrite( &dc, (*ap)->a_vals );
if ( rc != LDAP_SUCCESS ) {
goto cleanup_attr;
}
}
if ( mapping != NULL ) {
/* rewrite the attribute description */
assert( mapping->m_dst_ad != NULL );
(*ap)->a_desc = mapping->m_dst_ad;
}
next_attr:;
ap = &(*ap)->a_next;
continue;
cleanup_attr:;
a = *ap;
*ap = (*ap)->a_next;
attr_free( a );
}
return 0;
}
static int
rwm_send_entry( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
Entry *e = NULL;
slap_mask_t flags;
struct berval dn = BER_BVNULL,
ndn = BER_BVNULL;
dncookie dc;
int rc;
assert( rs->sr_entry != NULL );
/*
* Rewrite the dn of the result, if needed
*/
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = NULL;
dc.ctx = "searchEntryDN";
#else /* ! ENABLE_REWRITE */
dc.tofrom = 0;
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
e = rs->sr_entry;
flags = rs->sr_flags;
if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
/* FIXME: all we need to duplicate are:
* - dn
* - ndn
* - attributes that are requested
* - no values if attrsonly is set
*/
e = entry_dup( e );
if ( e == NULL ) {
rc = LDAP_NO_MEMORY;
goto fail;
}
flags &= ~REP_ENTRY_MUSTRELEASE;
flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
}
/*
* Note: this may fail if the target host(s) schema differs
* from the one known to the meta, and a DN with unknown
* attributes is returned.
*/
dn = e->e_name;
ndn = e->e_nname;
rc = rwm_dn_massage_pretty_normalize( &dc, &e->e_name, &dn, &ndn );
if ( rc != LDAP_SUCCESS ) {
rc = 1;
goto fail;
}
if ( e->e_name.bv_val != dn.bv_val ) {
ch_free( e->e_name.bv_val );
ch_free( e->e_nname.bv_val );
e->e_name = dn;
e->e_nname = ndn;
}
/* TODO: map entry attribute types, objectclasses
* and dn-valued attribute values */
/* FIXME: the entries are in the remote mapping form;
* so we need to select those attributes we are willing
* to return, and remap them accordingly */
(void)rwm_attrs( op, rs, &e->e_attrs, 1 );
if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
be_entry_release_rw( op, rs->sr_entry, 0 );
}
rs->sr_entry = e;
rs->sr_flags = flags;
return SLAP_CB_CONTINUE;
fail:;
if ( e != NULL && e != rs->sr_entry ) {
if ( e->e_name.bv_val == dn.bv_val ) {
BER_BVZERO( &e->e_name );
}
if ( e->e_nname.bv_val == ndn.bv_val ) {
BER_BVZERO( &e->e_nname );
}
entry_free( e );
}
if ( !BER_BVISNULL( &dn ) ) {
ch_free( dn.bv_val );
}
if ( !BER_BVISNULL( &ndn ) ) {
ch_free( ndn.bv_val );
}
return rc;
}
static int
rwm_operational( Operation *op, SlapReply *rs )
{
/* FIXME: the entries are in the remote mapping form;
* so we need to select those attributes we are willing
* to return, and remap them accordingly */
if ( rs->sr_operational_attrs ) {
rwm_attrs( op, rs, &rs->sr_operational_attrs, 1 );
}
return SLAP_CB_CONTINUE;
}
#if 0
/* don't use this; it cannot be reverted, and leaves op->o_req_dn
* rewritten for subsequent operations; fine for plain suffixmassage,
* but destroys everything else */
static int
rwm_chk_referrals( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
int rc;
#ifdef ENABLE_REWRITE
rc = rwm_op_dn_massage( op, rs, "referralCheckDN" );
#else /* ! ENABLE_REWRITE */
rc = 1;
rc = rwm_op_dn_massage( op, rs, &rc );
#endif /* ! ENABLE_REWRITE */
if ( rc != LDAP_SUCCESS ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
send_ldap_error( op, rs, rc, "referralCheckDN massage error" );
return -1;
}
return SLAP_CB_CONTINUE;
}
#endif
static int
rwm_rw_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
#ifdef ENABLE_REWRITE
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
return rewrite_parse( rwmap->rwm_rw,
fname, lineno, argc, argv );
#else /* !ENABLE_REWRITE */
fprintf( stderr, "%s: line %d: rewrite capabilities "
"are not enabled\n", fname, lineno );
#endif /* !ENABLE_REWRITE */
return 0;
}
static int
rwm_suffixmassage_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
int massaged;
#ifdef ENABLE_REWRITE
int rc;
#endif /* ENABLE_REWRITE */
/*
* syntax:
*
* suffixmassage [<suffix>] <massaged suffix>
*
* the [<suffix>] field must be defined as a valid suffix
* for the current database;
* the <massaged suffix> shouldn't have already been
* defined as a valid suffix for the current server
*/
if ( argc == 2 ) {
if ( be->be_suffix == NULL ) {
fprintf( stderr, "%s: line %d: "
" \"suffixMassage [<suffix>]"
" <massaged suffix>\" without "
"<suffix> part requires database "
"suffix be defined first.\n",
fname, lineno );
return 1;
}
bvnc = be->be_suffix[ 0 ];
massaged = 1;
} else if ( argc == 3 ) {
ber_str2bv( argv[ 1 ], 0, 0, &bvnc );
massaged = 2;
} else {
fprintf( stderr, "%s: line %d: syntax is"
" \"suffixMassage [<suffix>]"
" <massaged suffix>\"\n",
fname, lineno );
return 1;
}
if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
fname, lineno, bvnc.bv_val );
return 1;
}
ber_str2bv( argv[ massaged ], 0, 0, &brnc );
if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
fname, lineno, brnc.bv_val );
free( nvnc.bv_val );
free( pvnc.bv_val );
return 1;
}
#ifdef ENABLE_REWRITE
/*
* The suffix massaging is emulated
* by means of the rewrite capabilities
*/
rc = rwm_suffix_massage_config( rwmap->rwm_rw,
&pvnc, &nvnc, &prnc, &nrnc );
free( nvnc.bv_val );
free( pvnc.bv_val );
free( nrnc.bv_val );
free( prnc.bv_val );
return( rc );
#else /* !ENABLE_REWRITE */
ber_bvarray_add( &rwmap->rwm_suffix_massage, &pvnc );
ber_bvarray_add( &rwmap->rwm_suffix_massage, &nvnc );
ber_bvarray_add( &rwmap->rwm_suffix_massage, &prnc );
ber_bvarray_add( &rwmap->rwm_suffix_massage, &nrnc );
#endif /* !ENABLE_REWRITE */
return 0;
}
static int
rwm_m_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
/* objectclass/attribute mapping */
return rwm_map_config( &rwmap->rwm_oc,
&rwmap->rwm_at,
fname, lineno, argc, argv );
}
static int
rwm_response( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int rc;
if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
return rwm_send_entry( op, rs );
}
switch( op->o_tag ) {
case LDAP_REQ_SEARCH:
case LDAP_REQ_BIND:
case LDAP_REQ_ADD:
case LDAP_REQ_DELETE:
case LDAP_REQ_MODRDN:
case LDAP_REQ_MODIFY:
case LDAP_REQ_COMPARE:
case LDAP_REQ_EXTENDED:
if ( rs->sr_ref ) {
dncookie dc;
/*
* Rewrite the dn of the referrals, if needed
*/
dc.rwmap = rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = NULL;
dc.ctx = "referralDN";
#else /* ! ENABLE_REWRITE */
dc.tofrom = 0;
dc.normalized = 0;
#endif /* ! ENABLE_REWRITE */
rc = rwm_referral_result_rewrite( &dc, rs->sr_ref );
if ( rc != LDAP_SUCCESS ) {
rc = 1;
break;
}
}
rc = rwm_matched( op, rs );
break;
default:
rc = SLAP_CB_CONTINUE;
break;
}
return rc;
}
static int
rwm_db_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
int rc = 0;
char *argv0 = NULL;
if ( strncasecmp( argv[ 0 ], "rwm-", STRLENOF( "rwm-" ) ) == 0 ) {
argv0 = argv[ 0 ];
argv[ 0 ] = &argv0[ STRLENOF( "rwm-" ) ];
}
if ( strncasecmp( argv[0], "rewrite", STRLENOF("rewrite") ) == 0 ) {
rc = rwm_rw_config( be, fname, lineno, argc, argv );
} else if ( strcasecmp( argv[0], "map" ) == 0 ) {
rc = rwm_m_config( be, fname, lineno, argc, argv );
} else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
rc = rwm_suffixmassage_config( be, fname, lineno, argc, argv );
} else if ( strcasecmp( argv[0], "t-f-support" ) == 0 ) {
if ( argc != 2 ) {
fprintf( stderr,
"%s: line %d: \"t-f-support {no|yes|discover}\" needs 1 argument.\n",
fname, lineno );
return( 1 );
}
if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
rwmap->rwm_flags &= ~(RWM_F_SUPPORT_T_F|RWM_F_SUPPORT_T_F_DISCOVER);
} else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
rwmap->rwm_flags |= RWM_F_SUPPORT_T_F;
/* TODO: not implemented yet */
} else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
fprintf( stderr,
"%s: line %d: \"discover\" not supported yet "
"in \"t-f-support {no|yes|discover}\".\n",
fname, lineno );
return( 1 );
#if 0
rwmap->rwm_flags |= RWM_F_SUPPORT_T_F_DISCOVER;
#endif
} else {
fprintf( stderr,
"%s: line %d: unknown value \"%s\" for \"t-f-support {no|yes|discover}\".\n",
fname, lineno, argv[ 1 ] );
return 1;
}
} else {
rc = SLAP_CONF_UNKNOWN;
}
if ( argv0 ) {
argv[ 0 ] = argv0;
}
return rc;
}
static int
rwm_db_init(
BackendDB *be )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
struct ldaprwmap *rwmap;
#ifdef ENABLE_REWRITE
char *rargv[ 3 ];
#endif /* ENABLE_REWRITE */
int rc = 0;
rwmap = (struct ldaprwmap *)ch_calloc( 1, sizeof( struct ldaprwmap ) );
#ifdef ENABLE_REWRITE
rwmap->rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
if ( rwmap->rwm_rw == NULL ) {
rc = -1;
goto error_return;
}
/* this rewriteContext by default must be null;
* rules can be added if required */
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "searchFilter";
rargv[ 2 ] = NULL;
rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 1, 2, rargv );
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "default";
rargv[ 2 ] = NULL;
rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 2, 2, rargv );
#endif /* ENABLE_REWRITE */
error_return:;
on->on_bi.bi_private = (void *)rwmap;
if ( rc ) {
(void)rwm_db_destroy( be );
}
return rc;
}
static int
rwm_db_destroy(
BackendDB *be )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
int rc = 0;
if ( on->on_bi.bi_private ) {
struct ldaprwmap *rwmap =
(struct ldaprwmap *)on->on_bi.bi_private;
#ifdef ENABLE_REWRITE
if ( rwmap->rwm_rw ) {
rewrite_info_delete( &rwmap->rwm_rw );
}
#else /* !ENABLE_REWRITE */
if ( rwmap->rwm_suffix_massage ) {
ber_bvarray_free( rwmap->rwm_suffix_massage );
}
#endif /* !ENABLE_REWRITE */
avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
avl_free( rwmap->rwm_at.map, rwm_mapping_free );
ch_free( rwmap );
}
return rc;
}
static slap_overinst rwm = { { NULL } };
#if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
static
#endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
int
rwm_initialize( void )
{
memset( &rwm, 0, sizeof( slap_overinst ) );
rwm.on_bi.bi_type = "rwm";
rwm.on_bi.bi_db_init = rwm_db_init;
rwm.on_bi.bi_db_config = rwm_db_config;
rwm.on_bi.bi_db_destroy = rwm_db_destroy;
rwm.on_bi.bi_op_bind = rwm_op_bind;
rwm.on_bi.bi_op_search = rwm_op_search;
rwm.on_bi.bi_op_compare = rwm_op_compare;
rwm.on_bi.bi_op_modify = rwm_op_modify;
rwm.on_bi.bi_op_modrdn = rwm_op_modrdn;
rwm.on_bi.bi_op_add = rwm_op_add;
rwm.on_bi.bi_op_delete = rwm_op_delete;
rwm.on_bi.bi_op_unbind = rwm_op_unbind;
rwm.on_bi.bi_extended = rwm_extended;
rwm.on_bi.bi_operational = rwm_operational;
rwm.on_bi.bi_chk_referrals = 0 /* rwm_chk_referrals */ ;
#ifdef ENABLE_REWRITE
rwm.on_bi.bi_connection_init = rwm_conn_init;
rwm.on_bi.bi_connection_destroy = rwm_conn_destroy;
#endif /* ENABLE_REWRITE */
rwm.on_response = rwm_response;
return overlay_register( &rwm );
}
#if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
int
init_module( int argc, char *argv[] )
{
return rwm_initialize();
}
#endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
#endif /* SLAPD_OVER_RWM */
|
