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openldap/servers/slapd/overlays/syncprov.c

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/* syncprov.c - syncrepl provider */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2004 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>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Howard Chu for inclusion in
* OpenLDAP Software.
*/
#include "portable.h"
#define SLAPD_OVER_SYNCPROV SLAPD_MOD_DYNAMIC
#ifdef SLAPD_OVER_SYNCPROV
#include <ac/string.h>
#include "lutil.h"
#include "slap.h"
/* Record of a persistent search */
typedef struct syncops {
struct syncops *s_next;
struct berval s_base; /* ndn of search base */
ID s_eid; /* entryID of search base */
Operation *s_op; /* search op */
int s_flags; /* search status */
} syncops;
#define PS_IS_REFRESHING 0x01
/* Record of which searches matched at premodify step */
typedef struct syncmatches {
struct syncmatches *sm_next;
syncops *sm_op;
} syncmatches;
typedef struct syncprov_info_t {
syncops *si_ops;
struct berval si_ctxcsn; /* ldapsync context */
int si_gotcsn; /* is our ctxcsn up to date? */
ldap_pvt_thread_mutex_t si_csn_mutex;
ldap_pvt_thread_mutex_t si_ops_mutex;
} syncprov_info_t;
typedef struct opcookie {
slap_overinst *son;
syncmatches *smatches;
struct berval suuid;
} opcookie;
typedef struct findcookie {
struct berval *fdn;
syncops *fss;
int fbase;
int fsuffix;
} findcookie;
static AttributeName csn_anlist[2];
static AttributeName uuid_anlist[2];
static int
dn_avl_cmp( const void *c1, const void *c2 )
{
struct berval *bv1 = (struct berval *)c1;
struct berval *bv2 = (struct berval *)c2;
int rc = bv1->bv_len - bv2->bv_len;
if ( rc ) return rc;
return ber_bvcmp( bv1, bv2 );
}
static int
findbase_cb( Operation *op, SlapReply *rs )
{
slap_callback *sc = op->o_callback;
if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
findcookie *fc = sc->sc_private;
if ( rs->sr_entry->e_id == fc->fss->s_eid &&
dn_match( &rs->sr_entry->e_nname, &fc->fss->s_base )) {
fc->fbase = 1;
fc->fsuffix = dnIsSuffix( fc->fdn, &rs->sr_entry->e_nname );
}
}
return LDAP_SUCCESS;
}
static int
syncprov_findbase( Operation *op, syncops *ss, findcookie *fc )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
slap_callback cb = {0};
Operation fop;
SlapReply frs = { REP_RESULT };
int rc;
fop = *op;
cb.sc_response = findbase_cb;
cb.sc_private = fc;
fop.o_callback = &cb;
fop.o_tag = LDAP_REQ_SEARCH;
fop.ors_scope = LDAP_SCOPE_BASE;
fop.ors_deref = ss->s_op->ors_deref;
fop.ors_slimit = 1;
fop.ors_tlimit = SLAP_NO_LIMIT;
fop.ors_attrs = slap_anlist_no_attrs;
fop.ors_attrsonly = 1;
fop.ors_filter = ss->s_op->ors_filter;
fop.ors_filterstr = ss->s_op->ors_filterstr;
fop.o_req_ndn = ss->s_op->o_req_ndn;
rc = fop.o_bd->be_search( &fop, &frs );
if ( fc->fbase ) return LDAP_SUCCESS;
/* If entryID has changed, then the base of this search has
* changed. Invalidate the psearch.
*/
return LDAP_NO_SUCH_OBJECT;
}
#define FIND_CSN 1
#define FIND_PRESENT 2
typedef struct fcsn_cookie {
struct berval maxcsn;
int gotmatch;
} fcsn_cookie;
static int
findcsn_cb( Operation *op, SlapReply *rs )
{
slap_callback *sc = op->o_callback;
if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
if ( sc->sc_private ) {
int i;
fcsn_cookie *fc = sc->sc_private;
Attribute *a = attr_find(rs->sr_entry->e_attrs,
slap_schema.si_ad_entryCSN );
i = ber_bvcmp( &a->a_vals[0], op->o_sync_state.ctxcsn );
if ( i == 0 ) fc->gotmatch = 1;
i = ber_bvcmp( &a->a_vals[0], &fc->maxcsn );
if ( i > 0 ) {
fc->maxcsn.bv_len = a->a_vals[0].bv_len;
strcpy(fc->maxcsn.bv_val, a->a_vals[0].bv_val );
}
} else {
sc->sc_private = (void *)1;
}
}
return LDAP_SUCCESS;
}
typedef struct fpres_cookie {
int num;
BerVarray uuids;
} fpres_cookie;
static int
findpres_cb( Operation *op, SlapReply *rs )
{
slap_callback *sc = op->o_callback;
fpres_cookie *pc = sc->sc_private;
int ret = SLAP_CB_CONTINUE;
if ( rs->sr_type == REP_SEARCH ) {
Debug(LDAP_DEBUG_TRACE, "present %s\n", rs->sr_entry->e_name.bv_val, 0, 0);
ret = slap_build_syncUUID_set( op, &pc->uuids, rs->sr_entry );
if ( ret > 0 ) {
pc->num++;
ret = LDAP_SUCCESS;
if ( pc->num == SLAP_SYNCUUID_SET_SIZE ) {
rs->sr_rspoid = LDAP_SYNC_INFO;
ret = slap_send_syncinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
0, pc->uuids, 0 );
ber_bvarray_free_x( pc->uuids, op->o_tmpmemctx );
pc->uuids = NULL;
pc->num = 0;
}
} else {
ret = LDAP_OTHER;
}
} else if ( rs->sr_type == REP_RESULT ) {
ret = rs->sr_err;
if ( pc->num ) {
rs->sr_rspoid = LDAP_SYNC_INFO;
ret = slap_send_syncinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
0, pc->uuids, 0 );
ber_bvarray_free_x( pc->uuids, op->o_tmpmemctx );
pc->uuids = NULL;
pc->num = 0;
}
}
return ret;
}
static int
syncprov_findcsn( Operation *op, int mode )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
slap_callback cb = {0};
Operation fop;
SlapReply frs = { REP_RESULT };
char buf[LDAP_LUTIL_CSNSTR_BUFSIZE + STRLENOF("(entryCSN<=)")];
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
struct berval fbuf;
Filter cf;
AttributeAssertion eq;
int rc;
fcsn_cookie fcookie;
fpres_cookie pcookie;
int locked = 0;
if ( op->o_sync_state.ctxcsn->bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
return LDAP_OTHER;
}
fop = *op;
fop.o_sync_mode = 0;
fbuf.bv_val = buf;
if ( mode == FIND_CSN ) {
if ( !si->si_gotcsn ) {
/* If we don't know the current ctxcsn, find it */
ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
locked = 1;
}
if ( !si->si_gotcsn ) {
cf.f_choice = LDAP_FILTER_GE;
fop.ors_attrsonly = 0;
fop.ors_attrs = csn_anlist;
fop.ors_slimit = SLAP_NO_LIMIT;
cb.sc_private = &fcookie;
fcookie.maxcsn.bv_val = cbuf;
fcookie.maxcsn.bv_len = 0;
fcookie.gotmatch = 0;
fbuf.bv_len = sprintf( buf, "(entryCSN>=%s)", op->o_sync_state.ctxcsn->bv_val );
} else {
if ( locked ) {
ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
locked = 0;
}
cf.f_choice = LDAP_FILTER_LE;
fop.ors_attrsonly = 1;
fop.ors_attrs = slap_anlist_no_attrs;
fop.ors_slimit = 1;
cb.sc_private = NULL;
fbuf.bv_len = sprintf( buf, "(entryCSN=%s)", op->o_sync_state.ctxcsn->bv_val );
}
cb.sc_response = findcsn_cb;
} else if ( mode == FIND_PRESENT ) {
cf.f_choice = LDAP_FILTER_LE;
fop.ors_attrsonly = 0;
fop.ors_attrs = uuid_anlist;
fop.ors_slimit = SLAP_NO_LIMIT;
cb.sc_private = &pcookie;
cb.sc_response = findpres_cb;
pcookie.num = 0;
pcookie.uuids = NULL;
fbuf.bv_len = sprintf( buf, "(entryCSN<=%s)", op->o_sync_state.ctxcsn->bv_val );
}
cf.f_ava = &eq;
cf.f_av_desc = slap_schema.si_ad_entryCSN;
cf.f_av_value = *op->o_sync_state.ctxcsn;
cf.f_next = NULL;
fop.o_callback = &cb;
fop.ors_tlimit = SLAP_NO_LIMIT;
fop.ors_filter = &cf;
fop.ors_filterstr = fbuf;
fop.o_bd->bd_info = on->on_info->oi_orig;
rc = fop.o_bd->be_search( &fop, &frs );
fop.o_bd->bd_info = on;
if ( mode == FIND_CSN ) {
if ( !si->si_gotcsn ) {
ber_dupbv( &si->si_ctxcsn, &fcookie.maxcsn );
si->si_gotcsn = 1;
ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
if ( fcookie.gotmatch ) return LDAP_SUCCESS;
} else {
if ( cb.sc_private ) return LDAP_SUCCESS;
}
} else if ( mode == FIND_PRESENT ) {
return LDAP_SUCCESS;
}
/* If matching CSN was not found, invalidate the context. */
return LDAP_NO_SUCH_OBJECT;
}
static void
syncprov_matchops( Operation *op, opcookie *opc, int saveit )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
findcookie fc;
syncops *ss;
Entry *e;
Attribute *a;
int rc;
fc.fdn = &op->o_req_ndn;
rc = be_entry_get_rw( op, fc.fdn, NULL, NULL, 0, &e );
if ( rc ) return;
if ( saveit ) {
a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
if ( a )
ber_dupbv_x( &opc->suuid, &a->a_vals[0], op->o_tmpmemctx );
}
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
for (ss = si->si_ops; ss; ss=ss->s_next)
{
syncmatches *sm;
int found = 0;
/* validate base */
fc.fss = ss;
fc.fbase = 0;
fc.fsuffix = 0;
rc = syncprov_findbase( op, ss, &fc );
if ( rc != LDAP_SUCCESS ) continue;
/* If we're sending results now, look for this op in old matches */
if ( !saveit ) {
syncmatches *old;
for ( sm=opc->smatches, old=(syncmatches *)&opc->smatches; sm;
old=sm, sm=sm->sm_next ) {
if ( sm->sm_op == ss ) {
found = 1;
old->sm_next = sm->sm_next;
op->o_tmpfree( sm, op->o_tmpmemctx );
break;
}
}
}
/* check if current o_req_dn is in scope and matches filter */
if ( fc.fsuffix && test_filter( op, e, ss->s_op->ors_filter ) ==
LDAP_COMPARE_TRUE ) {
if ( saveit ) {
sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );
sm->sm_next = opc->smatches;
sm->sm_op = ss;
opc->smatches = sm;
} else {
/* if found send UPDATE else send ADD */
if ( found ) {
} else {
}
}
} else if ( !saveit && found ) {
/* send DELETE */
}
}
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
be_entry_release_r( op, e );
}
static int
syncprov_op_cleanup( Operation *op, SlapReply *rs )
{
slap_callback *cb = op->o_callback;
opcookie *opc = (opcookie *)(cb+1);
syncmatches *sm, *snext;
for (sm = opc->smatches; sm; sm=snext) {
snext = sm->sm_next;
op->o_tmpfree( sm, op->o_tmpmemctx );
}
op->o_callback = cb->sc_next;
op->o_tmpfree(cb, op->o_tmpmemctx);
}
static int
syncprov_op_response( Operation *op, SlapReply *rs )
{
slap_callback *cb = op->o_callback;
opcookie *opc = (opcookie *)(cb+1);
slap_overinst *on = opc->son;
syncprov_info_t *si = on->on_bi.bi_private;
syncmatches *sm;
if ( rs->sr_err == LDAP_SUCCESS )
{
struct berval maxcsn;
void *memctx = op->o_tmpmemctx;
ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
op->o_tmpmemctx = NULL;
slap_get_commit_csn( op, &maxcsn );
op->o_tmpmemctx = memctx;
if ( maxcsn.bv_val ) {
free( si->si_ctxcsn.bv_val );
si->si_ctxcsn = maxcsn;
si->si_gotcsn = 1;
}
ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
if ( si->si_ops ) {
switch(op->o_tag) {
case LDAP_REQ_ADD:
case LDAP_REQ_MODIFY:
case LDAP_REQ_MODRDN:
case LDAP_REQ_EXTENDED:
syncprov_matchops( op, opc, 0 );
break;
case LDAP_REQ_DELETE:
/* for each match in opc->smatches:
* send DELETE msg
*/
for ( sm = opc->smatches; sm; sm=sm->sm_next ) {
}
break;
}
}
}
return SLAP_CB_CONTINUE;
}
#if 0
static int
syncprov_op_compare( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
int rc = SLAP_CB_CONTINUE;
if ( dn_match( &op->o_req_ndn, &si->si_e->e_nname ) )
{
Attribute *a;
ldap_pvt_thread_mutex_lock( &si->si_e_mutex );
if ( get_assert( op ) &&
( test_filter( op, si->si_e, get_assertion( op ) ) != LDAP_COMPARE_TRUE ) )
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
rs->sr_err = access_allowed( op, si->si_e, op->oq_compare.rs_ava->aa_desc,
&op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
if ( ! rs->sr_err ) {
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto return_results;
}
rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
for ( a = attr_find( si->si_e->e_attrs, op->oq_compare.rs_ava->aa_desc );
a != NULL;
a = attr_find( a->a_next, op->oq_compare.rs_ava->aa_desc ) )
{
rs->sr_err = LDAP_COMPARE_FALSE;
if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
a->a_nvals, &op->oq_compare.rs_ava->aa_value, op->o_tmpmemctx ) == 0 )
{
rs->sr_err = LDAP_COMPARE_TRUE;
break;
}
}
return_results:;
ldap_pvt_thread_mutex_unlock( &si->si_e_mutex );
send_ldap_result( op, rs );
if( rs->sr_err == LDAP_COMPARE_FALSE || rs->sr_err == LDAP_COMPARE_TRUE ) {
rs->sr_err = LDAP_SUCCESS;
}
rc = rs->sr_err;
}
return SLAP_CB_CONTINUE;
}
#endif
static int
syncprov_op_mod( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
opcookie *opc = (opcookie *)(cb+1);
opc->son = on;
cb->sc_response = syncprov_op_response;
cb->sc_cleanup = syncprov_op_cleanup;
cb->sc_private = opc;
cb->sc_next = op->o_callback;
op->o_callback = cb;
if ( si->si_ops && op->o_tag != LDAP_REQ_ADD )
syncprov_matchops( op, opc, 1 );
return SLAP_CB_CONTINUE;
}
static int
syncprov_op_extended( Operation *op, SlapReply *rs )
{
if ( exop_is_write( op ))
return syncprov_op_mod( op, rs );
return SLAP_CB_CONTINUE;
}
static int
syncprov_search_cleanup( Operation *op, SlapReply *rs )
{
if ( rs->sr_ctrls ) {
free( rs->sr_ctrls[0] );
op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
}
return 0;
}
static int
syncprov_search_response( Operation *op, SlapReply *rs )
{
slap_callback *cb = op->o_callback;
slap_overinst *on = cb->sc_private;
syncprov_info_t *si = on->on_bi.bi_private;
if ( rs->sr_type == REP_SEARCH ) {
int i;
if ( op->o_sync_state.ctxcsn ) {
Attribute *a = attr_find( rs->sr_entry->e_attrs,
slap_schema.si_ad_entryCSN );
/* Don't send the ctx entry twice */
if ( bvmatch( &a->a_nvals[0], op->o_sync_state.ctxcsn ))
return LDAP_SUCCESS;
}
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
op->o_tmpmemctx );
rs->sr_ctrls[1] = NULL;
rs->sr_err = slap_build_sync_state_ctrl( op, rs, rs->sr_entry,
LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );
} else if (rs->sr_type == REP_RESULT ) {
struct berval cookie;
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
op->o_tmpmemctx );
rs->sr_ctrls[1] = NULL;
slap_compose_sync_cookie( op, &cookie,
&op->ors_filter->f_and->f_ava->aa_value,
op->o_sync_state.sid, op->o_sync_state.rid );
rs->sr_err = slap_build_sync_done_ctrl( op, rs, rs->sr_ctrls,
0, 1, &cookie, LDAP_SYNC_REFRESH_PRESENTS );
}
return SLAP_CB_CONTINUE;
}
static int
syncprov_op_search( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
slap_callback *cb;
int gotstate = 0;
Filter *fand, *fava;
if ( !op->o_sync_mode ) return SLAP_CB_CONTINUE;
if ( op->ors_deref & LDAP_DEREF_SEARCHING ) {
send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "illegal value for derefAliases" );
return rs->sr_err;
}
/* If we have a cookie, handle the PRESENT lookups
*/
if ( op->o_sync_state.ctxcsn ) {
/* Is the CSN in a valid format? */
if ( op->o_sync_state.ctxcsn->bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
send_ldap_error( op, rs, LDAP_OTHER, "invalid sync cookie" );
return rs->sr_err;
}
/* Is the CSN still present in the database? */
if ( syncprov_findcsn( op, FIND_CSN ) != LDAP_SUCCESS ) {
/* No, so a reload is required */
#if 0 /* the consumer doesn't seem to send this hint */
if ( op->o_sync_rhint == 0 ) {
send_ldap_error( op, rs, LDAP_SYNC_REFRESH_REQUIRED, "sync cookie is stale" );
return rs->sr_err;
}
#endif
} else {
/* Does it match the current ctxCSN? */
if ( bvmatch( op->o_sync_state.ctxcsn, &si->si_ctxcsn )) {
LDAPControl *ctrls[2];
ctrls[0] = NULL;
ctrls[1] = NULL;
slap_build_sync_done_ctrl( op, rs, ctrls, 0, 0,
NULL, LDAP_SYNC_REFRESH_DELETES );
rs->sr_err = LDAP_SUCCESS;
send_ldap_result( op, rs );
return rs->sr_err;
}
gotstate = 1;
/* OK, let's send all the Present UUIDs */
if ( syncprov_findcsn( op, FIND_PRESENT ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
return rs->sr_err;
}
}
}
if ( !gotstate && !si->si_gotcsn ) {
struct berval bv = BER_BVC("1"), *old;
old = op->o_sync_state.ctxcsn;
op->o_sync_state.ctxcsn = &bv;
syncprov_findcsn( op, FIND_CSN );
op->o_sync_state.ctxcsn = old;
}
/* Append CSN range to search filter */
op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
fand->f_choice = LDAP_FILTER_AND;
fand->f_next = NULL;
fava = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
fava->f_choice = LDAP_FILTER_LE;
fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
ber_dupbv_x( &fava->f_ava->aa_value, &si->si_ctxcsn, op->o_tmpmemctx );
fand->f_and = fava;
if ( gotstate ) {
fava->f_next = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
fava = fava->f_next;
fava->f_choice = LDAP_FILTER_GE;
fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
ber_dupbv_x( &fava->f_ava->aa_value, op->o_sync_state.ctxcsn, op->o_tmpmemctx );
}
fava->f_next = op->ors_filter;
op->ors_filter = fand;
filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
/* Let our callback add needed info to returned entries */
cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
cb->sc_response = syncprov_search_response;
cb->sc_cleanup = syncprov_search_cleanup;
cb->sc_private = on;
cb->sc_next = op->o_callback;
op->o_callback = cb;
return SLAP_CB_CONTINUE;
}
#if 0
static int
syncprov_response( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
if ( rs->sr_err == LDAP_SUCCESS ) {
if ( op->o_tag == LDAP_REQ_SEARCH ) {
/* handle transition from refresh to persist */
if ( op->o_sync_mode == SLAP_SYNC_REFRESH_AND_PERSIST ) {
}
/* If we're checkpointing */
} else if ( si->si_chkops || si->si_chktime )) {
int do_check = 0;
switch ( op->o_tag ) {
case LDAP_REQ_EXTENDED:
{ int i, doit = 0;
/* if not PASSWD_MODIFY, break */
for ( i=0; write_exop[i]; i++ )
{
if ( !ber_bvcmp( write_exop[i], &op->oq_extended.rs_reqoid ))
{
doit = 1;
break;
}
}
if ( !doit ) break;
}
/* else fallthru */
case LDAP_REQ_ADD:
case LDAP_REQ_MODIFY:
case LDAP_REQ_MODRDN:
case LDAP_REQ_DELETE:
ldap_pvt_thread_mutex_lock( &si->si_chk_mutex );
if ( si->si_chkops )
{
si->si_numops++;
if ( si->si_numops >= si->si_chkops )
{
do_check = 1;
si->si_numops = 0;
}
}
if ( si->si_chktime )
{
if ( op->o_time - si->si_chklast >= si->si_chktime )
{
do_check = 1;
si->si_chklast = op->o_time;
}
}
ldap_pvt_thread_mutex_unlock( &si->si_chk_mutex );
if ( do_check )
{
/* write cn=ldapsync to underlying db */
}
break;
}
}
}
/* Release this DN */
if ( op->o_tag == LDAP_REQ_MODIFY ) {
ldap_pvt_thread_mutex_lock( &si->si_mod_mutex );
avl_delete( &si->si_mods, &op->o_req_ndn, dn_avl_cmp );
ldap_pvt_thread_mutex_unlock( &si->si_mod_mutex );
}
return SLAP_CB_CONTINUE;
}
#endif
static int
syncprov_db_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
#if 0
if ( strcasecmp( argv[ 0 ], "syncprov-checkpoint" ) == 0 ) {
if ( argc != 3 ) {
fprintf( stderr, "%s: line %d: wrong number of arguments in "
"\"syncprov-checkpoint <ops> <minutes>\"\n", fname, lineno );
return -1;
}
si->si_chkops = atoi( argv[1] );
si->si_chktime = atoi( argv[2] ) * 60;
} else {
return SLAP_CONF_UNKNOWN;
}
#endif
return SLAP_CONF_UNKNOWN;
}
static int
syncprov_db_init(
BackendDB *be
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
syncprov_info_t *si;
si = ch_calloc(1, sizeof(syncprov_info_t));
on->on_bi.bi_private = si;
ldap_pvt_thread_mutex_init( &si->si_csn_mutex );
ldap_pvt_thread_mutex_init( &si->si_ops_mutex );
csn_anlist[0].an_desc = slap_schema.si_ad_entryCSN;
csn_anlist[0].an_name = slap_schema.si_ad_entryCSN->ad_cname;
uuid_anlist[0].an_desc = slap_schema.si_ad_entryUUID;
uuid_anlist[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
return 0;
}
static int
syncprov_db_destroy(
BackendDB *be
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
if ( si ) {
ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex );
ldap_pvt_thread_mutex_destroy( &si->si_csn_mutex );
ch_free( si );
}
return 0;
}
/* This overlay is set up for dynamic loading via moduleload. For static
* configuration, you'll need to arrange for the slap_overinst to be
* initialized and registered by some other function inside slapd.
*/
static slap_overinst syncprov;
int
syncprov_init()
{
syncprov.on_bi.bi_type = "syncprov";
syncprov.on_bi.bi_db_init = syncprov_db_init;
syncprov.on_bi.bi_db_config = syncprov_db_config;
syncprov.on_bi.bi_db_destroy = syncprov_db_destroy;
syncprov.on_bi.bi_op_add = syncprov_op_mod;
#if 0
syncprov.on_bi.bi_op_compare = syncprov_op_compare;
#endif
syncprov.on_bi.bi_op_delete = syncprov_op_mod;
syncprov.on_bi.bi_op_modify = syncprov_op_mod;
syncprov.on_bi.bi_op_modrdn = syncprov_op_mod;
syncprov.on_bi.bi_op_search = syncprov_op_search;
syncprov.on_bi.bi_extended = syncprov_op_extended;
#if 0
syncprov.on_response = syncprov_response;
#endif
return overlay_register( &syncprov );
}
#if SLAPD_OVER_SYNCPROV == SLAPD_MOD_DYNAMIC
int
init_module( int argc, char *argv[] )
{
return syncprov_init();
}
#endif /* SLAPD_OVER_SYNCPROV == SLAPD_MOD_DYNAMIC */
#endif /* defined(SLAPD_OVER_SYNCPROV) */
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