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Commit d33a44c8 authored by Quanah Gibson-Mount's avatar Quanah Gibson-Mount
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ITS#5809

parent 5fee7c1f
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CHANGES
View file @ d33a44c8
......@@ -2,6 +2,7 @@ OpenLDAP 2.4 Change Log
OpenLDAP 2.4.14 Engineering
Fixed libldap_r deref building (ITS#5768)
Fixed slapd syncrepl rename handling (ITS#5809)
OpenLDAP 2.4.13 Release (2008/11/24)
Added libldap dereference control support (ITS#5768)
......
servers/slapd/syncrepl.c
View file @ d33a44c8
......@@ -4,7 +4,7 @@
*
* Copyright 2003-2008 The OpenLDAP Foundation.
* Portions Copyright 2003 by IBM Corporation.
* Portions Copyright 2003 by Howard Chu, Symas Corporation.
* Portions Copyright 2003-2008 by Howard Chu, Symas Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
......@@ -1931,9 +1931,14 @@ typedef struct dninfo {
Entry *new_entry;
struct berval dn;
struct berval ndn;
struct berval nnewSup;
int renamed; /* Was an existing entry renamed? */
int delOldRDN; /* Was old RDN deleted? */
Modifications **modlist; /* the modlist we received */
Modifications *mods; /* the modlist we compared */
Attribute *oldNattr; /* old naming attr */
AttributeDescription *oldDesc; /* for renames */
AttributeDescription *newDesc; /* for renames */
} dninfo;
/* return 1 if inserted, 0 otherwise */
......@@ -2200,38 +2205,173 @@ retry_add:;
op->o_req_dn = dni.dn;
op->o_req_ndn = dni.ndn;
if ( dni.renamed ) {
struct berval noldp, newp, nnewp;
struct berval noldp, newp;
Modifications *mod, **modtail, **ml, *m2;
int i, got_replace = 0;
op->o_tag = LDAP_REQ_MODRDN;
dnRdn( &entry->e_name, &op->orr_newrdn );
dnRdn( &entry->e_nname, &op->orr_nnewrdn );
dnParent( &dni.ndn, &noldp );
dnParent( &entry->e_nname, &nnewp );
if ( !dn_match( &noldp, &nnewp ) ) {
if ( !BER_BVISNULL( &dni.nnewSup )) {
dnParent( &entry->e_name, &newp );
op->orr_newSup = &newp;
op->orr_nnewSup = &nnewp;
op->orr_nnewSup = &dni.nnewSup;
} else {
op->orr_newSup = NULL;
op->orr_nnewSup = NULL;
}
/* Let the modify handler take care of deleting old RDNs */
op->orr_deleteoldrdn = 0;
op->orr_deleteoldrdn = dni.delOldRDN;
op->orr_modlist = NULL;
if ( ( rc = slap_modrdn2mods( op, &rs_modify ) ) ) {
goto done;
}
/* Drop the RDN-related mods from this op, because their
* equivalents were just setup by slap_modrdn2mods.
*
* If delOldRDN is TRUE then we should see a delete modop
* for oldDesc. We might see a replace instead.
* delete with no values: therefore newDesc != oldDesc.
* if oldNattr had only one value, then Drop this op.
* delete with 1 value: can only be the oldRDN value. Drop op.
* delete with N values: Drop oldRDN value, keep remainder.
* replace with 1 value: if oldNattr had only one value and
* newDesc == oldDesc, Drop this op.
* Any other cases must be left intact.
*
* We should also see an add modop for newDesc. (But not if
* we got a replace modop due to delOldRDN.) If it has
* multiple values, we'll have to drop the new RDN value.
*/
modtail = &op->orr_modlist;
if ( dni.delOldRDN ) {
for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) {
if ( (*ml)->sml_desc == dni.oldDesc ) {
mod = *ml;
if ( mod->sml_op == LDAP_MOD_REPLACE &&
dni.oldDesc != dni.newDesc ) {
/* This Replace is due to other Mods.
* Just let it ride.
*/
continue;
}
if ( mod->sml_numvals <= 1 &&
dni.oldNattr->a_numvals == 1 &&
( mod->sml_op == LDAP_MOD_DELETE ||
mod->sml_op == LDAP_MOD_REPLACE )) {
if ( mod->sml_op == LDAP_MOD_REPLACE )
got_replace = 1;
/* Drop this op */
*ml = mod->sml_next;
mod->sml_next = NULL;
slap_mods_free( mod, 1 );
break;
}
if ( mod->sml_op != LDAP_MOD_DELETE || mod->sml_numvals == 0 )
continue;
for ( m2 = op->orr_modlist; m2; m2=m2->sml_next ) {
if ( m2->sml_desc == dni.oldDesc &&
m2->sml_op == LDAP_MOD_DELETE ) break;
}
for ( i=0; i<mod->sml_numvals; i++ ) {
if ( bvmatch( &mod->sml_values[i], &m2->sml_values[0] )) {
mod->sml_numvals--;
ch_free( mod->sml_values[i].bv_val );
mod->sml_values[i] = mod->sml_values[mod->sml_numvals];
BER_BVZERO( &mod->sml_values[mod->sml_numvals] );
if ( mod->sml_nvalues ) {
ch_free( mod->sml_nvalues[i].bv_val );
mod->sml_nvalues[i] = mod->sml_nvalues[mod->sml_numvals];
BER_BVZERO( &mod->sml_nvalues[mod->sml_numvals] );
}
break;
}
}
break;
}
}
}
if ( !got_replace ) {
for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next ) {
if ( (*ml)->sml_desc == dni.newDesc ) {
mod = *ml;
if ( mod->sml_op != LDAP_MOD_ADD )
continue;
if ( mod->sml_numvals == 1 ) {
/* Drop this op */
*ml = mod->sml_next;
mod->sml_next = NULL;
slap_mods_free( mod, 1 );
break;
}
for ( m2 = op->orr_modlist; m2; m2=m2->sml_next ) {
if ( m2->sml_desc == dni.oldDesc &&
m2->sml_op == SLAP_MOD_SOFTADD ) break;
}
for ( i=0; i<mod->sml_numvals; i++ ) {
if ( bvmatch( &mod->sml_values[i], &m2->sml_values[0] )) {
mod->sml_numvals--;
ch_free( mod->sml_values[i].bv_val );
mod->sml_values[i] = mod->sml_values[mod->sml_numvals];
BER_BVZERO( &mod->sml_values[mod->sml_numvals] );
if ( mod->sml_nvalues ) {
ch_free( mod->sml_nvalues[i].bv_val );
mod->sml_nvalues[i] = mod->sml_nvalues[mod->sml_numvals];
BER_BVZERO( &mod->sml_nvalues[mod->sml_numvals] );
}
break;
}
}
break;
}
}
}
/* RDNs must be NUL-terminated for back-ldap */
noldp = op->orr_newrdn;
ber_dupbv_x( &op->orr_newrdn, &noldp, op->o_tmpmemctx );
noldp = op->orr_nnewrdn;
ber_dupbv_x( &op->orr_nnewrdn, &noldp, op->o_tmpmemctx );
/* Remove the CSN for now, only propagate the Modify */
if ( syncCSN ) {
slap_graduate_commit_csn( op );
/* Setup opattrs too */
{
static AttributeDescription *nullattr = NULL;
static AttributeDescription **const opattrs[] = {
&slap_schema.si_ad_entryCSN,
&slap_schema.si_ad_modifiersName,
&slap_schema.si_ad_modifyTimestamp,
&nullattr
};
AttributeDescription *opattr;
int i;
modtail = &m2;
/* pull mod off incoming modlist */
for ( i = 0; (opattr = *opattrs[i]) != NULL; i++ ) {
for ( ml = &dni.mods; *ml; ml = &(*ml)->sml_next )
{
if ( (*ml)->sml_desc == opattr ) {
mod = *ml;
*ml = mod->sml_next;
mod->sml_next = NULL;
*modtail = mod;
modtail = &mod->sml_next;
break;
}
}
}
/* If there are still Modifications left, put the opattrs
* back, and let be_modify run. Otherwise, append the opattrs
* to the orr_modlist.
*/
if ( dni.mods ) {
mod = dni.mods;
} else {
mod = op->orr_modlist;
}
for ( ; mod->sml_next; mod=mod->sml_next );
mod->sml_next = m2;
}
op->o_bd = si->si_wbe;
rc = op->o_bd->be_modrdn( op, &rs_modify );
......@@ -2243,12 +2383,9 @@ retry_add:;
"syncrepl_entry: %s be_modrdn (%d)\n",
si->si_ridtxt, rc, 0 );
op->o_bd = be;
/* Renamed entries still have other mods so just fallthru */
/* Renamed entries may still have other mods so just fallthru */
op->o_req_dn = entry->e_name;
op->o_req_ndn = entry->e_nname;
if ( syncCSN ) {
slap_queue_csn( op, syncCSN );
}
}
if ( dni.mods ) {
op->o_tag = LDAP_REQ_MODIFY;
......@@ -2268,7 +2405,7 @@ retry_add:;
si->si_ridtxt, rs_modify.sr_err, 0 );
}
op->o_bd = be;
} else {
} else if ( !dni.renamed ) {
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s entry unchanged, ignored (%s)\n",
si->si_ridtxt, op->o_req_dn.bv_val, 0 );
......@@ -2998,34 +3135,7 @@ dn_callback(
Attribute *old, *new;
struct berval old_rdn, new_rdn;
struct berval old_p, new_p;
int is_ctx;
is_ctx = dn_match( &rs->sr_entry->e_nname,
&op->o_bd->be_nsuffix[0] );
/* Did the DN change?
* case changes in the parent are ignored,
* we only want to know if the RDN was
* actually changed.
*/
dnRdn( &rs->sr_entry->e_name, &old_rdn );
dnRdn( &dni->new_entry->e_name, &new_rdn );
dnParent( &rs->sr_entry->e_nname, &old_p );
dnParent( &dni->new_entry->e_nname, &new_p );
if ( !dn_match( &old_rdn, &new_rdn ) ||
ber_bvstrcasecmp( &old_p, &new_p ))
{
dni->renamed = 1;
/* A ModDN has happened, but other changes may have
* occurred before we picked it up. So fallthru to
* regular Modify processing.
*/
}
modtail = &dni->mods;
ml = dni->modlist;
int is_ctx, new_sup = 0;
/* Make sure new entry is actually newer than old entry */
old = attr_find( rs->sr_entry->e_attrs,
......@@ -3057,6 +3167,69 @@ dn_callback(
}
}
is_ctx = dn_match( &rs->sr_entry->e_nname,
&op->o_bd->be_nsuffix[0] );
/* Did the DN change?
* case changes in the parent are ignored,
* we only want to know if the RDN was
* actually changed.
*/
dnRdn( &rs->sr_entry->e_name, &old_rdn );
dnRdn( &dni->new_entry->e_name, &new_rdn );
dnParent( &rs->sr_entry->e_nname, &old_p );
dnParent( &dni->new_entry->e_nname, &new_p );
new_sup = !dn_match( &old_p, &new_p );
if ( !dn_match( &old_rdn, &new_rdn ) || new_sup )
{
struct berval oldRDN, oldVal;
AttributeDescription *ad = NULL;
int oldpos, newpos;
Attribute *a;
dni->renamed = 1;
if ( new_sup )
dni->nnewSup = new_p;
/* See if the oldRDN was deleted */
dnRdn( &rs->sr_entry->e_nname, &oldRDN );
oldVal.bv_val = strchr(oldRDN.bv_val, '=') + 1;
oldVal.bv_len = oldRDN.bv_len - ( oldVal.bv_val -
oldRDN.bv_val );
oldRDN.bv_len -= oldVal.bv_len + 1;
slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
dni->oldDesc = ad;
for ( oldpos=0, a=rs->sr_entry->e_attrs;
a && a->a_desc != ad; oldpos++, a=a->a_next );
dni->oldNattr = a;
for ( newpos=0, a=dni->new_entry->e_attrs;
a && a->a_desc != ad; newpos++, a=a->a_next );
if ( !a || oldpos != newpos || attr_valfind( a,
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_VALUE_OF_SYNTAX,
&oldVal, NULL, op->o_tmpmemctx ) != LDAP_SUCCESS )
{
dni->delOldRDN = 1;
}
/* Get the newRDN's desc */
dnRdn( &dni->new_entry->e_nname, &oldRDN );
oldVal.bv_val = strchr(oldRDN.bv_val, '=');
oldRDN.bv_len = oldVal.bv_val - oldRDN.bv_val;
ad = NULL;
slap_bv2ad( &oldRDN, &ad, &rs->sr_text );
dni->newDesc = ad;
/* A ModDN has happened, but in Refresh mode other
* changes may have occurred before we picked it up.
* So fallthru to regular Modify processing.
*/
}
modtail = &dni->mods;
ml = dni->modlist;
/* We assume that attributes are saved in the same order
* in the remote and local databases. So if we walk through
* the attributeDescriptions one by one they should match in
......
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