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openldap/servers/slapd/syncrepl.c
Kurt Zeilenga a54900be42 s/saslAuthz/authz/
2004-04-16 06:12:13 +00:00

2017 lines
48 KiB
C
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/* syncrepl.c -- Replication Engine which uses the LDAP Sync protocol */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2003-2004 The OpenLDAP Foundation.
* Portions Copyright 2003 by IBM Corporation.
* Portions Copyright 2003 by Howard Chu, Symas Corporation.
* 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/string.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
#include "lutil.h"
#include "slap.h"
#include "lutil_ldap.h"
#include "ldap_rq.h"
#define SYNCREPL_STR "syncreplxxx"
#define CN_STR "cn="
static const struct berval slap_syncrepl_bvc = BER_BVC(SYNCREPL_STR);
static const struct berval slap_syncrepl_cn_bvc = BER_BVC(CN_STR SYNCREPL_STR);
static int syncuuid_cmp( const void *, const void * );
static void avl_ber_bvfree( void * );
static void syncrepl_del_nonpresent( Operation *, syncinfo_t * );
/* callback functions */
static int dn_callback( struct slap_op *, struct slap_rep * );
static int nonpresent_callback( struct slap_op *, struct slap_rep * );
static int null_callback( struct slap_op *, struct slap_rep * );
static AttributeDescription *sync_descs[4];
struct runqueue_s syncrepl_rq;
void
init_syncrepl(syncinfo_t *si)
{
int i, j, k, n;
char **tmp;
if ( !sync_descs[0] ) {
sync_descs[0] = slap_schema.si_ad_objectClass;
sync_descs[1] = slap_schema.si_ad_structuralObjectClass;
sync_descs[2] = slap_schema.si_ad_entryCSN;
sync_descs[3] = NULL;
}
for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
if ( n ) {
/* Delete Attributes */
for ( i = 0; sync_descs[i] != NULL; i++ ) {
for ( j = 0; si->si_attrs[j] != NULL; j++ ) {
if ( strcmp( si->si_attrs[j], sync_descs[i]->ad_cname.bv_val )
== 0 )
{
ch_free( si->si_attrs[j] );
for ( k = j; si->si_attrs[k] != NULL; k++ ) {
si->si_attrs[k] = si->si_attrs[k+1];
}
}
}
}
for ( n = 0; si->si_attrs[ n ] != NULL; n++ ) /* empty */;
tmp = ( char ** ) ch_realloc( si->si_attrs, (n + 4)*sizeof( char * ));
if ( tmp == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
#else
Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
#endif
}
} else {
tmp = ( char ** ) ch_realloc( si->si_attrs, 5 * sizeof( char * ));
if ( tmp == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "out of memory\n", 0,0,0 );
#else
Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
#endif
}
tmp[ n++ ] = ch_strdup( "*" );
}
si->si_attrs = tmp;
/* Add Attributes */
for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
si->si_attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
si->si_attrs[ n ] = NULL;
}
}
static int
ldap_sync_search(
syncinfo_t *si,
void *ctx )
{
BerElementBuffer berbuf;
BerElement *ber = (BerElement *)&berbuf;
LDAPControl c[2], *ctrls[3];
struct timeval timeout;
ber_int_t msgid;
int rc;
/* setup LDAP SYNC control */
ber_init2( ber, NULL, LBER_USE_DER );
ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
if ( si->si_syncCookie.octet_str &&
si->si_syncCookie.octet_str[0].bv_val )
{
ber_printf( ber, "{eO}",
abs(si->si_type),
&si->si_syncCookie.octet_str[0] );
} else {
ber_printf( ber, "{e}",
abs(si->si_type) );
}
if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
ber_free_buf( ber );
return rc;
}
c[0].ldctl_oid = LDAP_CONTROL_SYNC;
c[0].ldctl_iscritical = si->si_type < 0;
ctrls[0] = &c[0];
if ( si->si_authzId ) {
c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
ber_str2bv( si->si_authzId, 0, 0, &c[1].ldctl_value );
c[1].ldctl_iscritical = 1;
ctrls[1] = &c[1];
ctrls[2] = NULL;
} else {
ctrls[1] = NULL;
}
timeout.tv_sec = si->si_tlimit > 0 ? si->si_tlimit : 1;
timeout.tv_usec = 0;
rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
ctrls, NULL, si->si_tlimit < 0 ? NULL : &timeout,
si->si_slimit, &msgid );
ber_free_buf( ber );
return rc;
}
static int
do_syncrep1(
Operation *op,
syncinfo_t *si )
{
int rc;
int cmdline_cookie_found = 0;
char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
struct berval syncrepl_cn_bv;
struct sync_cookie *sc = NULL;
struct sync_cookie syncCookie = { NULL, -1, NULL };
struct berval *psub;
psub = &si->si_be->be_nsuffix[0];
/* Init connection to master */
rc = ldap_initialize( &si->si_ld, si->si_provideruri );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_syncrep1: ldap_initialize failed (%s)\n",
si->si_provideruri, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_syncrep1: ldap_initialize failed (%s)\n",
si->si_provideruri, 0, 0 );
#endif
return rc;
}
op->o_protocol = LDAP_VERSION3;
ldap_set_option( si->si_ld, LDAP_OPT_PROTOCOL_VERSION, &op->o_protocol );
/* Bind to master */
if ( si->si_tls ) {
rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
"%s: ldap_start_tls failed (%d)\n",
si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
rc, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"%s: ldap_start_tls failed (%d)\n",
si->si_tls == SYNCINFO_TLS_CRITICAL ? "Error" : "Warning",
rc, 0 );
#endif
if( si->si_tls == SYNCINFO_TLS_CRITICAL ) goto done;
}
}
if ( si->si_bindmethod == LDAP_AUTH_SASL ) {
#ifdef HAVE_CYRUS_SASL
void *defaults;
if ( si->si_secprops != NULL ) {
rc = ldap_set_option( si->si_ld,
LDAP_OPT_X_SASL_SECPROPS, si->si_secprops);
if( rc != LDAP_OPT_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: Error: "
"ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
si->si_provideruri, si->si_secprops, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
"(%s,SECPROPS,\"%s\") failed!\n",
si->si_provideruri, si->si_secprops, 0 );
#endif
goto done;
}
}
defaults = lutil_sasl_defaults( si->si_ld, si->si_saslmech,
si->si_realm, si->si_authcId, si->si_passwd, si->si_authzId );
rc = ldap_sasl_interactive_bind_s( si->si_ld,
si->si_binddn,
si->si_saslmech,
NULL, NULL,
LDAP_SASL_QUIET,
lutil_sasl_interact,
defaults );
lutil_sasl_freedefs( defaults );
/* FIXME: different error behaviors according to
* 1) return code
* 2) on err policy : exit, retry, backoff ...
*/
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
"ldap_sasl_interactive_bind_s failed (%d)\n",
rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
"ldap_sasl_interactive_bind_s failed (%d)\n",
rc, 0, 0 );
#endif
/* FIXME (see above comment) */
/* if Kerberos credentials cache is not active, retry */
if ( strcmp( si->si_saslmech, "GSSAPI" ) == 0 &&
rc == LDAP_LOCAL_ERROR )
{
rc = LDAP_SERVER_DOWN;
}
goto done;
}
#else /* HAVE_CYRUS_SASL */
/* Should never get here, we trapped this at config time */
assert(0);
fprintf( stderr, "not compiled with SASL support\n" );
rc = LDAP_OTHER;
goto done;
#endif
} else {
rc = ldap_bind_s( si->si_ld,
si->si_binddn, si->si_passwd, si->si_bindmethod );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
"ldap_bind_s failed (%d)\n", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
"ldap_bind_s failed (%d)\n", rc, 0, 0 );
#endif
goto done;
}
}
/* get syncrepl cookie of shadow replica from subentry */
assert( si->si_rid < 1000 );
syncrepl_cn_bv.bv_val = syncrepl_cbuf;
syncrepl_cn_bv.bv_len = snprintf(syncrepl_cbuf, sizeof(syncrepl_cbuf),
CN_STR "syncrepl%ld", si->si_rid );
build_new_dn( &op->o_req_ndn, psub, &syncrepl_cn_bv, op->o_tmpmemctx );
op->o_req_dn = op->o_req_ndn;
LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
if ( si->si_rid == sc->rid ) {
cmdline_cookie_found = 1;
break;
}
}
if ( cmdline_cookie_found ) {
/* cookie is supplied in the command line */
BerVarray cookie = NULL;
struct berval cookie_bv;
LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
slap_sync_cookie_free( &si->si_syncCookie, 0 );
/* read stored cookie if it exists */
backend_attribute( op, NULL, &op->o_req_ndn,
slap_schema.si_ad_syncreplCookie, &cookie );
if ( !cookie ) {
/* no stored cookie */
if ( sc->ctxcsn == NULL ||
sc->ctxcsn->bv_val == NULL ) {
/* if cmdline cookie does not have ctxcsn */
/* component, set it to an initial value */
slap_init_sync_cookie_ctxcsn( sc );
}
slap_dup_sync_cookie( &si->si_syncCookie, sc );
slap_sync_cookie_free( sc, 1 );
sc = NULL;
} else {
/* stored cookie */
struct berval newcookie = BER_BVNULL;
ber_dupbv( &cookie_bv, &cookie[0] );
ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
slap_parse_sync_cookie( &si->si_syncCookie );
ber_bvarray_free( si->si_syncCookie.octet_str );
si->si_syncCookie.octet_str = NULL;
ber_bvarray_free_x( cookie, op->o_tmpmemctx );
if ( sc->sid != -1 ) {
/* command line cookie wins */
si->si_syncCookie.sid = sc->sid;
}
if ( sc->ctxcsn != NULL ) {
/* command line cookie wins */
if ( si->si_syncCookie.ctxcsn ) {
ber_bvarray_free( si->si_syncCookie.ctxcsn );
si->si_syncCookie.ctxcsn = NULL;
}
ber_dupbv( &cookie_bv, &sc->ctxcsn[0] );
ber_bvarray_add( &si->si_syncCookie.ctxcsn, &cookie_bv );
}
if ( sc->rid != -1 ) {
/* command line cookie wins */
si->si_syncCookie.rid = sc->rid;
}
slap_sync_cookie_free( sc, 1 );
sc = NULL;
slap_compose_sync_cookie( NULL, &newcookie,
&si->si_syncCookie.ctxcsn[0],
si->si_syncCookie.sid, si->si_syncCookie.rid );
ber_bvarray_add( &si->si_syncCookie.octet_str, &newcookie );
}
} else {
/* no command line cookie is specified */
if ( si->si_syncCookie.octet_str == NULL ) {
BerVarray cookie = NULL;
struct berval cookie_bv;
/* try to read stored cookie */
backend_attribute( op, NULL, &op->o_req_ndn,
slap_schema.si_ad_syncreplCookie, &cookie );
if ( cookie ) {
ber_dupbv( &cookie_bv, &cookie[0] );
ber_bvarray_add( &si->si_syncCookie.octet_str, &cookie_bv );
slap_parse_sync_cookie( &si->si_syncCookie );
ber_bvarray_free_x( cookie, op->o_tmpmemctx );
}
}
}
rc = ldap_sync_search( si, op->o_tmpmemctx );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_syncrep1: "
"ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
"ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
#endif
}
done:
if ( rc ) {
if ( si->si_ld ) {
ldap_unbind( si->si_ld );
si->si_ld = NULL;
}
}
return rc;
}
static int
do_syncrep2(
Operation *op,
syncinfo_t *si )
{
LDAPControl **rctrls = NULL;
LDAPControl *rctrlp;
BerElementBuffer berbuf;
BerElement *ber = (BerElement *)&berbuf;
LDAPMessage *res = NULL;
LDAPMessage *msg = NULL;
char *retoid = NULL;
struct berval *retdata = NULL;
Entry *entry = NULL;
int syncstate;
struct berval syncUUID = BER_BVNULL;
struct sync_cookie syncCookie = { NULL, -1, NULL };
struct sync_cookie syncCookie_req = { NULL, -1, NULL };
struct berval cookie = BER_BVNULL;
int rc, err, i;
ber_len_t len;
int rc_efree = 1;
struct berval *psub;
Modifications *modlist = NULL;
const char *text;
int match;
struct timeval *tout_p = NULL;
struct timeval tout = { 0, 0 };
int refreshDeletes = 0;
int refreshDone = 1;
BerVarray syncUUIDs = NULL;
ber_tag_t si_tag;
if ( slapd_shutdown ) {
rc = -2;
goto done;
}
ber_init2( ber, NULL, LBER_USE_DER );
ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1, "do_syncrep2\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
#endif
psub = &si->si_be->be_nsuffix[0];
slap_dup_sync_cookie( &syncCookie_req, &si->si_syncCookie );
if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
tout_p = &tout;
} else {
tout_p = NULL;
}
while (( rc = ldap_result( si->si_ld, LDAP_RES_ANY, LDAP_MSG_ONE,
tout_p, &res )) > 0 )
{
if ( slapd_shutdown ) {
rc = -2;
goto done;
}
for( msg = ldap_first_message( si->si_ld, res );
msg != NULL;
msg = ldap_next_message( si->si_ld, msg ) )
{
switch( ldap_msgtype( msg ) ) {
case LDAP_RES_SEARCH_ENTRY:
ldap_get_entry_controls( si->si_ld, msg, &rctrls );
/* we can't work without the control */
if ( !rctrls ) {
rc = -1;
goto done;
}
rctrlp = *rctrls;
ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
ber_scanf( ber, "{em" /*"}"*/, &syncstate, &syncUUID );
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
ber_scanf( ber, /*"{"*/ "m}", &cookie );
if ( cookie.bv_val ) {
struct berval tmp_bv;
ber_dupbv( &tmp_bv, &cookie );
ber_bvarray_add( &syncCookie.octet_str, &tmp_bv );
}
if ( syncCookie.octet_str &&
syncCookie.octet_str[0].bv_val )
slap_parse_sync_cookie( &syncCookie );
}
if ( syncrepl_message_to_entry( si, op, msg,
&modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
rc_efree = syncrepl_entry( si, op, entry, modlist,
syncstate, &syncUUID, &syncCookie_req );
if ( syncCookie.octet_str &&
syncCookie.octet_str[0].bv_val )
{
syncrepl_updateCookie( si, op, psub, &syncCookie );
}
}
ldap_controls_free( rctrls );
if ( modlist ) {
slap_mods_free( modlist );
}
if ( rc_efree && entry ) {
entry_free( entry );
entry = NULL;
}
break;
case LDAP_RES_SEARCH_REFERENCE:
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_syncrep2 : reference received\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_syncrep2 : reference received\n", 0, 0, 0 );
#endif
break;
case LDAP_RES_SEARCH_RESULT:
ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
&rctrls, 0 );
if ( rctrls ) {
rctrlp = *rctrls;
ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
ber_scanf( ber, "{" /*"}"*/);
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE ) {
ber_scanf( ber, "m", &cookie );
if ( cookie.bv_val ) {
struct berval tmp_bv;
ber_dupbv( &tmp_bv, &cookie );
ber_bvarray_add( &syncCookie.octet_str, &tmp_bv);
}
if ( syncCookie.octet_str &&
syncCookie.octet_str[0].bv_val )
{
slap_parse_sync_cookie( &syncCookie );
}
}
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
{
ber_scanf( ber, "b", &refreshDeletes );
}
ber_scanf( ber, /*"{"*/ "}" );
}
if ( syncCookie_req.ctxcsn == NULL ) {
match = -1;
} else if ( syncCookie.ctxcsn == NULL ) {
match = 1;
} else {
value_match( &match, slap_schema.si_ad_entryCSN,
slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
&syncCookie_req.ctxcsn[0], &syncCookie.ctxcsn[0],
&text );
}
if ( syncCookie.octet_str && syncCookie.octet_str->bv_val &&
match < 0 && err == LDAP_SUCCESS )
{
syncrepl_updateCookie( si, op, psub, &syncCookie );
}
if ( rctrls ) {
ldap_controls_free( rctrls );
}
if (si->si_type != LDAP_SYNC_REFRESH_AND_PERSIST) {
/* FIXME : different error behaviors according to
* 1) err code : LDAP_BUSY ...
* 2) on err policy : stop service, stop sync, retry
*/
if ( refreshDeletes == 0 && match < 0 &&
err == LDAP_SUCCESS )
{
syncrepl_del_nonpresent( op, si );
} else {
avl_free( si->si_presentlist, avl_ber_bvfree );
si->si_presentlist = NULL;
}
}
rc = -2;
goto done;
break;
case LDAP_RES_INTERMEDIATE:
rc = ldap_parse_intermediate( si->si_ld, msg,
&retoid, &retdata, NULL, 0 );
if ( !rc && !strcmp( retoid, LDAP_SYNC_INFO ) ) {
int si_refreshDelete = 0;
int si_refreshPresent = 0;
ber_init2( ber, retdata, LBER_USE_DER );
switch ( si_tag = ber_peek_tag( ber, &len )) {
ber_tag_t tag;
case LDAP_TAG_SYNC_NEW_COOKIE:
ber_scanf( ber, "tm", &tag, &cookie );
break;
case LDAP_TAG_SYNC_REFRESH_DELETE:
si_refreshDelete = 1;
case LDAP_TAG_SYNC_REFRESH_PRESENT:
si_refreshPresent = 1;
ber_scanf( ber, "t{" /*"}"*/, &tag );
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
{
ber_scanf( ber, "m", &cookie );
if ( cookie.bv_val ) {
struct berval tmp_bv;
ber_dupbv( &tmp_bv, &cookie );
ber_bvarray_add( &syncCookie.octet_str,
&tmp_bv);
}
if ( syncCookie.octet_str &&
syncCookie.octet_str[0].bv_val )
{
slap_parse_sync_cookie( &syncCookie );
}
}
if ( ber_peek_tag( ber, &len ) ==
LDAP_TAG_REFRESHDONE )
{
ber_scanf( ber, "b", &refreshDone );
}
ber_scanf( ber, /*"{"*/ "}" );
break;
case LDAP_TAG_SYNC_ID_SET:
ber_scanf( ber, "t{" /*"}"*/, &tag );
if ( ber_peek_tag( ber, &len ) ==
LDAP_TAG_SYNC_COOKIE )
{
ber_scanf( ber, "m", &cookie );
if ( cookie.bv_val ) {
struct berval tmp_bv;
ber_dupbv( &tmp_bv, &cookie );
ber_bvarray_add( &syncCookie.octet_str,
&tmp_bv );
}
if ( syncCookie.octet_str &&
syncCookie.octet_str[0].bv_val )
{
slap_parse_sync_cookie( &syncCookie );
}
}
if ( ber_peek_tag( ber, &len ) ==
LDAP_TAG_REFRESHDELETES )
{
ber_scanf( ber, "b", &refreshDeletes );
}
ber_scanf( ber, "[W]", &syncUUIDs );
ber_scanf( ber, /*"{"*/ "}" );
for ( i = 0; syncUUIDs[i].bv_val; i++ ) {
struct berval *syncuuid_bv;
syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
avl_insert( &si->si_presentlist,
(caddr_t) syncuuid_bv,
syncuuid_cmp, avl_dup_error );
}
ber_memfree_x( syncUUIDs, op->o_tmpmemctx );
break;
default:
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_syncrep2 : unknown syncinfo tag (%ld)\n",
(long) si_tag, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_syncrep2 : unknown syncinfo tag (%ld)\n",
(long) si_tag, 0, 0 );
#endif
ldap_memfree( retoid );
ber_bvfree( retdata );
continue;
}
if ( syncCookie_req.ctxcsn == NULL ) {
match = -1;
} else if ( syncCookie.ctxcsn == NULL ) {
match = 1;
} else {
value_match( &match, slap_schema.si_ad_entryCSN,
slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
&syncCookie_req.ctxcsn[0],
&syncCookie.ctxcsn[0], &text );
}
if ( syncCookie.ctxcsn && syncCookie.ctxcsn[0].bv_val &&
match < 0 )
{
syncrepl_updateCookie( si, op, psub, &syncCookie);
}
if ( si_refreshPresent == 1 ) {
if ( match < 0 ) {
syncrepl_del_nonpresent( op, si );
}
}
ldap_memfree( retoid );
ber_bvfree( retdata );
break;
} else {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "do_syncrep2 :"
" unknown intermediate "
"response\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
"unknown intermediate response (%d)\n",
rc, 0, 0 );
#endif
ldap_memfree( retoid );
ber_bvfree( retdata );
break;
}
break;
default:
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "do_syncrep2 : "
"unknown message\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
"unknown message\n", 0, 0, 0 );
#endif
break;
}
if ( syncCookie.octet_str ) {
slap_sync_cookie_free( &syncCookie_req, 0 );
slap_dup_sync_cookie( &syncCookie_req, &syncCookie );
slap_sync_cookie_free( &syncCookie, 0 );
}
}
ldap_msgfree( res );
res = NULL;
}
if ( rc == -1 ) {
const char *errstr;
ldap_get_option( si->si_ld, LDAP_OPT_ERROR_NUMBER, &rc );
errstr = ldap_err2string( rc );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_syncrep2 : %s\n", errstr, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_syncrep2 : %s\n", errstr, 0, 0 );
#endif
}
done:
slap_sync_cookie_free( &syncCookie, 0 );
slap_sync_cookie_free( &syncCookie_req, 0 );
if ( res ) ldap_msgfree( res );
if ( rc && si->si_ld ) {
ldap_unbind( si->si_ld );
si->si_ld = NULL;
}
return rc;
}
void *
do_syncrepl(
void *ctx,
void *arg )
{
struct re_s* rtask = arg;
syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
Connection conn = {0};
Operation op = {0};
int rc = LDAP_SUCCESS;
int first = 0;
int dostop = 0;
ber_socket_t s;
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1, "do_syncrepl\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
#endif
if ( si == NULL )
return NULL;
switch( abs( si->si_type )) {
case LDAP_SYNC_REFRESH_ONLY:
case LDAP_SYNC_REFRESH_AND_PERSIST:
break;
default:
return NULL;
}
if ( slapd_shutdown && si->si_ld ) {
ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
connection_client_stop( s );
ldap_unbind( si->si_ld );
si->si_ld = NULL;
return NULL;
}
connection_fake_init( &conn, &op, ctx );
op.o_dn = si->si_updatedn;
op.o_ndn = si->si_updatedn;
op.o_managedsait = 1;
op.o_bd = si->si_be;
op.o_sync_state.ctxcsn = NULL;
op.o_sync_state.sid = -1;
op.o_sync_state.octet_str = NULL;
op.o_sync_slog_size = -1;
LDAP_STAILQ_FIRST( &op.o_sync_slog_list ) = NULL;
op.o_sync_slog_list.stqh_last = &LDAP_STAILQ_FIRST(&op.o_sync_slog_list);
/* Establish session, do search */
if ( !si->si_ld ) {
first = 1;
rc = do_syncrep1( &op, si );
}
/* Process results */
if ( rc == LDAP_SUCCESS ) {
ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
rc = do_syncrep2( &op, si );
if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
/* If we succeeded, enable the connection for further listening.
* If we failed, tear down the connection and reschedule.
*/
if ( rc == LDAP_SUCCESS ) {
if ( first ) {
rc = connection_client_setup( s, do_syncrepl,
arg );
} else {
connection_client_enable( s );
}
} else if ( !first ) {
dostop = 1;
}
} else {
if ( rc == -2 ) rc = 0;
}
}
/* At this point, we have 4 cases:
* 1) for any hard failure, give up and remove this task
* 2) for ServerDown, reschedule this task to run
* 3) for Refresh and Success, reschedule to run
* 4) for Persist and Success, reschedule to defer
*/
ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
ldap_pvt_runqueue_stoptask( &syncrepl_rq, rtask );
}
if ( dostop ) {
connection_client_stop( s );
}
if ( rc && rc != LDAP_SERVER_DOWN ) {
ldap_pvt_runqueue_remove( &syncrepl_rq, rtask );
} else {
if ( rc == LDAP_SERVER_DOWN ||
si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
rc = 0;
} else {
rc = 1;
}
ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, rc );
}
ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
return NULL;
}
int
syncrepl_message_to_entry(
syncinfo_t *si,
Operation *op,
LDAPMessage *msg,
Modifications **modlist,
Entry **entry,
int syncstate
)
{
Entry *e = NULL;
BerElement *ber = NULL;
Modifications tmp;
Modifications *mod;
Modifications **modtail = modlist;
const char *text;
char txtbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof txtbuf;
struct berval bdn = {0, NULL}, dn, ndn;
int rc;
*modlist = NULL;
if ( ldap_msgtype( msg ) != LDAP_RES_SEARCH_ENTRY ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
#endif
return -1;
}
op->o_tag = LDAP_REQ_ADD;
rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
#endif
return rc;
}
dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
ber_dupbv( &op->o_req_dn, &dn );
ber_dupbv( &op->o_req_ndn, &ndn );
sl_free( ndn.bv_val, op->o_tmpmemctx );
sl_free( dn.bv_val, op->o_tmpmemctx );
if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
return LDAP_SUCCESS;
}
if ( entry == NULL ) {
return -1;
}
e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
*entry = e;
e->e_name = op->o_req_dn;
e->e_nname = op->o_req_ndn;
while ( ber_remaining( ber ) ) {
if ( (ber_scanf( ber, "{mW}", &tmp.sml_type, &tmp.sml_values ) ==
LBER_ERROR ) || ( tmp.sml_type.bv_val == NULL ))
{
break;
}
mod = (Modifications *) ch_malloc( sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_next = NULL;
mod->sml_desc = NULL;
mod->sml_type = tmp.sml_type;
mod->sml_values = tmp.sml_values;
mod->sml_nvalues = NULL;
*modtail = mod;
modtail = &mod->sml_next;
}
if ( *modlist == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_message_to_entry: no attributes\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
0, 0, 0 );
#endif
}
rc = slap_mods_check( *modlist, 1, &text, txtbuf, textlen, NULL );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_message_to_entry: mods check (%s)\n", text, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
text, 0, 0 );
#endif
goto done;
}
rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_message_to_entry: mods2entry (%s)\n", text, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
text, 0, 0 );
#endif
}
done:
ber_free ( ber, 0 );
if ( rc != LDAP_SUCCESS ) {
entry_free( e );
e = NULL;
}
return rc;
}
int
syncrepl_entry(
syncinfo_t* si,
Operation *op,
Entry* e,
Modifications* modlist,
int syncstate,
struct berval* syncUUID,
struct sync_cookie* syncCookie_req )
{
Backend *be = op->o_bd;
slap_callback cb = { NULL };
struct berval *syncuuid_bv = NULL;
struct berval syncUUID_strrep = BER_BVNULL;
struct berval uuid_bv = BER_BVNULL;
SlapReply rs = {REP_RESULT};
Filter f = {0};
AttributeAssertion ava = {0};
int rc = LDAP_SUCCESS;
int ret = LDAP_SUCCESS;
const char *text;
struct berval pdn = BER_BVNULL;
struct berval org_req_dn = BER_BVNULL;
struct berval org_req_ndn = BER_BVNULL;
struct berval org_dn = BER_BVNULL;
struct berval org_ndn = BER_BVNULL;
int org_managedsait;
if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
syncuuid_bv = ber_dupbv( NULL, syncUUID );
avl_insert( &si->si_presentlist, (caddr_t) syncuuid_bv,
syncuuid_cmp, avl_dup_error );
}
if ( syncstate == LDAP_SYNC_PRESENT ) {
return e ? 1 : 0;
}
f.f_choice = LDAP_FILTER_EQUALITY;
f.f_ava = &ava;
ava.aa_desc = slap_schema.si_ad_entryUUID;
slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
ava.aa_value = *syncUUID;
op->ors_filter = &f;
op->ors_filterstr.bv_len = (sizeof("entryUUID=")-1) + syncUUID->bv_len;
op->ors_filterstr.bv_val = (char *) sl_malloc(
op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
AC_MEMCPY( op->ors_filterstr.bv_val, "entryUUID=", sizeof("entryUUID=")-1 );
AC_MEMCPY( &op->ors_filterstr.bv_val[sizeof("entryUUID=")-1],
syncUUID->bv_val, syncUUID->bv_len );
op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
op->o_tag = LDAP_REQ_SEARCH;
op->ors_scope = LDAP_SCOPE_SUBTREE;
/* get syncrepl cookie of shadow replica from subentry */
op->o_req_dn = si->si_base;
op->o_req_ndn = si->si_base;
/* set callback function */
op->o_callback = &cb;
cb.sc_response = dn_callback;
cb.sc_private = si;
si->si_syncUUID_ndn.bv_val = NULL;
if ( limits_check( op, &rs ) == 0 ) {
rc = be->be_search( op, &rs );
}
if ( op->ors_filterstr.bv_val ) {
sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
}
cb.sc_response = null_callback;
cb.sc_private = si;
if ( rc == LDAP_SUCCESS && si->si_syncUUID_ndn.bv_val ) {
char *subseq_ptr;
if ( syncstate != LDAP_SYNC_DELETE ) {
op->o_no_psearch = 1;
}
ber_dupbv( &op->o_sync_csn, syncCookie_req->ctxcsn );
if ( op->o_sync_csn.bv_val ) {
subseq_ptr = strstr( op->o_sync_csn.bv_val, "#0000" );
subseq_ptr += 4;
*subseq_ptr = '1';
}
op->o_req_dn = si->si_syncUUID_ndn;
op->o_req_ndn = si->si_syncUUID_ndn;
op->o_tag = LDAP_REQ_DELETE;
rc = be->be_delete( op, &rs );
org_req_dn = op->o_req_dn;
org_req_ndn = op->o_req_ndn;
org_dn = op->o_dn;
org_ndn = op->o_ndn;
org_managedsait = get_manageDSAit( op );
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_managedsait = 1;
while ( rs.sr_err == LDAP_SUCCESS && op->o_delete_glue_parent ) {
op->o_delete_glue_parent = 0;
if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
slap_callback cb = { NULL };
cb.sc_response = slap_null_cb;
dnParent( &op->o_req_ndn, &pdn );
op->o_req_dn = pdn;
op->o_req_ndn = pdn;
op->o_callback = &cb;
op->o_bd->be_delete( op, &rs );
} else {
break;
}
}
op->o_managedsait = org_managedsait;
op->o_dn = org_dn;
op->o_ndn = org_ndn;
op->o_req_dn = org_req_dn;
op->o_req_ndn = org_req_ndn;
op->o_delete_glue_parent = 0;
op->o_no_psearch = 0;
}
switch ( syncstate ) {
case LDAP_SYNC_ADD:
case LDAP_SYNC_MODIFY:
if ( rc == LDAP_SUCCESS ||
rc == LDAP_REFERRAL ||
rc == LDAP_NO_SUCH_OBJECT ||
rc == LDAP_NOT_ALLOWED_ON_NONLEAF )
{
attr_delete( &e->e_attrs, slap_schema.si_ad_entryUUID );
attr_merge_one( e, slap_schema.si_ad_entryUUID,
syncUUID, &ava.aa_value );
op->o_tag = LDAP_REQ_ADD;
op->ora_e = e;
op->o_req_dn = e->e_name;
op->o_req_ndn = e->e_nname;
rc = be->be_add( op, &rs );
if ( rc != LDAP_SUCCESS ) {
if ( rc == LDAP_ALREADY_EXISTS ) {
Modifications *mod;
Modifications *modtail = modlist;
assert( modlist );
for ( mod = modlist; mod != NULL; mod = mod->sml_next ) {
modtail = mod;
}
mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
ber_dupbv( &uuid_bv, syncUUID );
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_entryUUID;
mod->sml_type = mod->sml_desc->ad_cname;
ber_bvarray_add( &mod->sml_values, &uuid_bv );
modtail->sml_next = mod;
op->o_tag = LDAP_REQ_MODIFY;
op->orm_modlist = modlist;
op->o_req_dn = e->e_name;
op->o_req_ndn = e->e_nname;
rc = be->be_modify( op, &rs );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_entry : be_modify failed (%d)\n",
rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : be_modify failed (%d)\n",
rc, 0, 0 );
#endif
}
ret = 1;
goto done;
} else if ( rc == LDAP_REFERRAL || rc == LDAP_NO_SUCH_OBJECT ) {
syncrepl_add_glue( op, e );
ret = 0;
goto done;
} else {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_entry : be_add failed (%d)\n",
rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : be_add failed (%d)\n",
rc, 0, 0 );
#endif
ret = 1;
goto done;
}
} else {
be_entry_release_w( op, e );
ret = 0;
goto done;
}
} else {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : be_search failed (%d)\n", rc, 0, 0 );
#endif
ret = 1;
goto done;
}
case LDAP_SYNC_DELETE :
/* Already deleted */
ret = 0;
goto done;
default :
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
#endif
ret = 1;
goto done;
}
done :
if ( syncUUID_strrep.bv_val ) {
ber_memfree_x( syncUUID_strrep.bv_val, op->o_tmpmemctx );
}
if ( si->si_syncUUID_ndn.bv_val ) {
ber_memfree_x( si->si_syncUUID_ndn.bv_val, op->o_tmpmemctx );
}
return ret;
}
static struct berval gcbva[] = {
BER_BVC("top"),
BER_BVC("glue"),
BER_BVNULL
};
static void
syncrepl_del_nonpresent(
Operation *op,
syncinfo_t *si )
{
Backend* be = op->o_bd;
slap_callback cb = { NULL };
SlapReply rs = {REP_RESULT};
struct nonpresent_entry *np_list, *np_prev;
int rc;
Modifications *ml;
Modifications *mlnext;
Modifications *mod;
Modifications *modlist = NULL;
Modifications **modtail = &modlist;
Attribute *attr;
struct berval pdn = BER_BVNULL;
struct berval org_req_dn = BER_BVNULL;
struct berval org_req_ndn = BER_BVNULL;
struct berval org_dn = BER_BVNULL;
struct berval org_ndn = BER_BVNULL;
int org_managedsait;
op->o_req_dn = si->si_base;
op->o_req_ndn = si->si_base;
cb.sc_response = nonpresent_callback;
cb.sc_private = si;
op->o_callback = &cb;
op->o_tag = LDAP_REQ_SEARCH;
op->ors_scope = si->si_scope;
op->ors_deref = LDAP_DEREF_NEVER;
op->ors_slimit = 0;
op->ors_tlimit = 0;
op->ors_attrsonly = 0;
op->ors_attrs = NULL;
op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
op->ors_filterstr = si->si_filterstr;
op->o_nocaching = 1;
op->o_managedsait = 0;
if ( limits_check( op, &rs ) == 0 ) {
be->be_search( op, &rs );
}
op->o_managedsait = 1;
op->o_nocaching = 0;
if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
np_list = LDAP_LIST_FIRST( &si->si_nonpresentlist );
while ( np_list != NULL ) {
LDAP_LIST_REMOVE( np_list, npe_link );
np_prev = np_list;
np_list = LDAP_LIST_NEXT( np_list, npe_link );
op->o_tag = LDAP_REQ_DELETE;
op->o_callback = &cb;
cb.sc_response = null_callback;
cb.sc_private = si;
op->o_req_dn = *np_prev->npe_name;
op->o_req_ndn = *np_prev->npe_nname;
rc = op->o_bd->be_delete( op, &rs );
if ( rc == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_objectClass;
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = &gcbva[0];
*modtail = mod;
modtail = &mod->sml_next;
mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = &gcbva[1];
*modtail = mod;
modtail = &mod->sml_next;
op->o_tag = LDAP_REQ_MODIFY;
op->orm_modlist = modlist;
rc = be->be_modify( op, &rs );
for ( ml = modlist; ml != NULL; ml = mlnext ) {
mlnext = ml->sml_next;
free( ml );
}
}
org_req_dn = op->o_req_dn;
org_req_ndn = op->o_req_ndn;
org_dn = op->o_dn;
org_ndn = op->o_ndn;
org_managedsait = get_manageDSAit( op );
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_managedsait = 1;
while ( rs.sr_err == LDAP_SUCCESS &&
op->o_delete_glue_parent ) {
op->o_delete_glue_parent = 0;
if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
slap_callback cb = { NULL };
cb.sc_response = slap_null_cb;
dnParent( &op->o_req_ndn, &pdn );
op->o_req_dn = pdn;
op->o_req_ndn = pdn;
op->o_callback = &cb;
/* give it a root privil ? */
op->o_bd->be_delete( op, &rs );
} else {
break;
}
}
op->o_managedsait = org_managedsait;
op->o_dn = org_dn;
op->o_ndn = org_ndn;
op->o_req_dn = org_req_dn;
op->o_req_ndn = org_req_ndn;
op->o_delete_glue_parent = 0;
ber_bvfree( np_prev->npe_name );
ber_bvfree( np_prev->npe_nname );
op->o_req_dn.bv_val = NULL;
op->o_req_ndn.bv_val = NULL;
ch_free( np_prev );
}
}
return;
}
void
syncrepl_add_glue(
Operation* op,
Entry *e )
{
Backend *be = op->o_bd;
slap_callback cb = { NULL };
Attribute *a;
int rc;
int suffrdns;
int i;
struct berval dn = {0, NULL};
struct berval ndn = {0, NULL};
Entry *glue;
SlapReply rs = {REP_RESULT};
char *ptr, *comma;
op->o_tag = LDAP_REQ_ADD;
op->o_callback = &cb;
cb.sc_response = null_callback;
cb.sc_private = NULL;
dn = e->e_name;
ndn = e->e_nname;
/* count RDNs in suffix */
if ( be->be_nsuffix[0].bv_len ) {
for (i=0, ptr=be->be_nsuffix[0].bv_val; ptr; ptr=strchr( ptr, ',' )) {
ptr++;
i++;
}
suffrdns = i;
} else {
/* suffix is "" */
suffrdns = 0;
}
/* Start with BE suffix */
for ( i = 0, ptr = NULL; i < suffrdns; i++ ) {
comma = strrchr(dn.bv_val, ',');
if ( ptr ) *ptr = ',';
if ( comma ) *comma = '\0';
ptr = comma;
}
if ( ptr ) {
*ptr++ = ',';
dn.bv_len -= ptr - dn.bv_val;
dn.bv_val = ptr;
}
/* the normalizedDNs are always the same length, no counting
* required.
*/
if ( ndn.bv_len > be->be_nsuffix[0].bv_len ) {
ndn.bv_val += ndn.bv_len - be->be_nsuffix[0].bv_len;
ndn.bv_len = be->be_nsuffix[0].bv_len;
}
while ( ndn.bv_val > e->e_nname.bv_val ) {
glue = (Entry *) ch_calloc( 1, sizeof(Entry) );
ber_dupbv( &glue->e_name, &dn );
ber_dupbv( &glue->e_nname, &ndn );
a = ch_calloc( 1, sizeof( Attribute ));
a->a_desc = slap_schema.si_ad_objectClass;
a->a_vals = ch_calloc( 3, sizeof( struct berval ));
ber_dupbv( &a->a_vals[0], &gcbva[0] );
ber_dupbv( &a->a_vals[1], &gcbva[1] );
ber_dupbv( &a->a_vals[2], &gcbva[2] );
a->a_nvals = a->a_vals;
a->a_next = glue->e_attrs;
glue->e_attrs = a;
a = ch_calloc( 1, sizeof( Attribute ));
a->a_desc = slap_schema.si_ad_structuralObjectClass;
a->a_vals = ch_calloc( 2, sizeof( struct berval ));
ber_dupbv( &a->a_vals[0], &gcbva[1] );
ber_dupbv( &a->a_vals[1], &gcbva[2] );
a->a_nvals = a->a_vals;
a->a_next = glue->e_attrs;
glue->e_attrs = a;
op->o_req_dn = glue->e_name;
op->o_req_ndn = glue->e_nname;
op->ora_e = glue;
rc = be->be_add ( op, &rs );
if ( rc == LDAP_SUCCESS ) {
be_entry_release_w( op, glue );
} else {
/* incl. ALREADY EXIST */
entry_free( glue );
}
/* Move to next child */
for (ptr = dn.bv_val-2; ptr > e->e_name.bv_val && *ptr != ','; ptr--) {
/* empty */
}
if ( ptr == e->e_name.bv_val ) break;
dn.bv_val = ++ptr;
dn.bv_len = e->e_name.bv_len - (ptr-e->e_name.bv_val);
for( ptr = ndn.bv_val-2;
ptr > e->e_nname.bv_val && *ptr != ',';
ptr--)
{
/* empty */
}
ndn.bv_val = ++ptr;
ndn.bv_len = e->e_nname.bv_len - (ptr-e->e_nname.bv_val);
}
op->o_req_dn = e->e_name;
op->o_req_ndn = e->e_nname;
op->ora_e = e;
rc = be->be_add ( op, &rs );
if ( rc == LDAP_SUCCESS ) {
be_entry_release_w( op, e );
} else {
entry_free( e );
}
return;
}
static struct berval ocbva[] = {
BER_BVC("top"),
BER_BVC("subentry"),
BER_BVC("syncConsumerSubentry"),
BER_BVNULL
};
static struct berval cnbva[] = {
BER_BVNULL,
BER_BVNULL
};
static struct berval ssbva[] = {
BER_BVC("{}"),
BER_BVNULL
};
static struct berval scbva[] = {
BER_BVNULL,
BER_BVNULL
};
void
syncrepl_updateCookie(
syncinfo_t *si,
Operation *op,
struct berval *pdn,
struct sync_cookie *syncCookie )
{
Backend *be = op->o_bd;
Modifications *ml;
Modifications *mlnext;
Modifications *mod;
Modifications *modlist = NULL;
Modifications **modtail = &modlist;
const char *text;
char txtbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof txtbuf;
Entry* e = NULL;
int rc;
char syncrepl_cbuf[sizeof(CN_STR SYNCREPL_STR)];
struct berval slap_syncrepl_dn_bv = BER_BVNULL;
struct berval slap_syncrepl_cn_bv = BER_BVNULL;
slap_callback cb = { NULL };
SlapReply rs = {REP_RESULT};
slap_sync_cookie_free( &si->si_syncCookie, 0 );
slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_objectClass;
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = ocbva;
*modtail = mod;
modtail = &mod->sml_next;
ber_dupbv( &cnbva[0], (struct berval *) &slap_syncrepl_bvc );
assert( si->si_rid < 1000 );
cnbva[0].bv_len = snprintf( cnbva[0].bv_val,
slap_syncrepl_bvc.bv_len + 1,
"syncrepl%ld", si->si_rid );
mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_cn;
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = cnbva;
*modtail = mod;
modtail = &mod->sml_next;
if ( scbva[0].bv_val ) ch_free( scbva[0].bv_val );
ber_dupbv( &scbva[0], &si->si_syncCookie.octet_str[0] );
mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_syncreplCookie;
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = scbva;
*modtail = mod;
modtail = &mod->sml_next;
mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_desc = slap_schema.si_ad_subtreeSpecification;
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = ssbva;
*modtail = mod;
modtail = &mod->sml_next;
mlnext = mod;
op->o_tag = LDAP_REQ_ADD;
rc = slap_mods_opattrs( op, modlist, modtail,
&text, txtbuf, textlen );
for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
ml->sml_op = LDAP_MOD_REPLACE;
}
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_updateCookie: mods opattrs (%s)\n", text, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods opattrs (%s)\n",
text, 0, 0 );
#endif
}
e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
slap_syncrepl_cn_bv.bv_val = syncrepl_cbuf;
assert( si->si_rid < 1000 );
slap_syncrepl_cn_bv.bv_len = snprintf( slap_syncrepl_cn_bv.bv_val,
slap_syncrepl_cn_bvc.bv_len + 1,
"cn=syncrepl%ld", si->si_rid );
build_new_dn( &slap_syncrepl_dn_bv, pdn, &slap_syncrepl_cn_bv,
op->o_tmpmemctx );
ber_dupbv( &e->e_name, &slap_syncrepl_dn_bv );
ber_dupbv( &e->e_nname, &slap_syncrepl_dn_bv );
if ( slap_syncrepl_dn_bv.bv_val ) {
sl_free( slap_syncrepl_dn_bv.bv_val, op->o_tmpmemctx );
}
e->e_attrs = NULL;
rc = slap_mods2entry( modlist, &e, 1, 1, &text, txtbuf, textlen );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"syncrepl_updateCookie: mods2entry (%s)\n", text, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "syncrepl_updateCookie: mods2entry (%s)\n",
text, 0, 0 );
#endif
}
cb.sc_response = null_callback;
cb.sc_private = si;
op->o_callback = &cb;
op->o_req_dn = e->e_name;
op->o_req_ndn = e->e_nname;
/* update persistent cookie */
update_cookie_retry:
op->o_tag = LDAP_REQ_MODIFY;
op->orm_modlist = modlist;
rc = be->be_modify( op, &rs );
if ( rc != LDAP_SUCCESS ) {
if ( rc == LDAP_REFERRAL ||
rc == LDAP_NO_SUCH_OBJECT ) {
op->o_tag = LDAP_REQ_ADD;
op->ora_e = e;
rc = be->be_add( op, &rs );
if ( rc != LDAP_SUCCESS ) {
if ( rc == LDAP_ALREADY_EXISTS ) {
goto update_cookie_retry;
} else if ( rc == LDAP_REFERRAL ||
rc == LDAP_NO_SUCH_OBJECT ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"cookie will be non-persistent\n",
0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"cookie will be non-persistent\n",
0, 0, 0 );
#endif
} else {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"be_add failed (%d)\n",
rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"be_add failed (%d)\n",
rc, 0, 0 );
#endif
}
} else {
be_entry_release_w( op, e );
goto done;
}
} else {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"be_modify failed (%d)\n", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"be_modify failed (%d)\n", rc, 0, 0 );
#endif
}
}
if ( e != NULL ) {
entry_free( e );
}
done :
if ( cnbva[0].bv_val ) {
ch_free( cnbva[0].bv_val );
cnbva[0].bv_val = NULL;
}
if ( scbva[0].bv_val ) {
ch_free( scbva[0].bv_val );
scbva[0].bv_val = NULL;
}
if ( mlnext->sml_next ) {
slap_mods_free( mlnext->sml_next );
mlnext->sml_next = NULL;
}
for (ml = modlist ; ml != NULL; ml = mlnext ) {
mlnext = ml->sml_next;
free( ml );
}
return;
}
int
syncrepl_isupdate( Operation *op )
{
return ( syncrepl_isupdate_dn( op->o_bd, &op->o_ndn ));
}
int
syncrepl_isupdate_dn(
Backend* be,
struct berval* ndn )
{
syncinfo_t* si;
int ret = 0;
if ( !LDAP_STAILQ_EMPTY( &be->be_syncinfo )) {
LDAP_STAILQ_FOREACH( si, &be->be_syncinfo, si_next ) {
if ( ( ret = dn_match( &si->si_updatedn, ndn ) ) ) {
return ret;
}
}
}
return 0;
}
static int
dn_callback(
Operation* op,
SlapReply* rs )
{
syncinfo_t *si = op->o_callback->sc_private;
if ( rs->sr_type == REP_SEARCH ) {
if ( si->si_syncUUID_ndn.bv_val != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"dn_callback : multiple entries match dn\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"dn_callback : multiple entries match dn\n", 0, 0, 0 );
#endif
} else {
ber_dupbv_x( &si->si_syncUUID_ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
}
}
return LDAP_SUCCESS;
}
static int
nonpresent_callback(
Operation* op,
SlapReply* rs )
{
syncinfo_t *si = op->o_callback->sc_private;
Attribute *a;
int count = 0;
struct berval* present_uuid = NULL;
struct nonpresent_entry *np_entry;
if ( rs->sr_type == REP_RESULT ) {
count = avl_free( si->si_presentlist, avl_ber_bvfree );
si->si_presentlist = NULL;
} else if ( rs->sr_type == REP_SEARCH ) {
a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
if ( a == NULL ) return 0;
present_uuid = avl_find( si->si_presentlist, &a->a_nvals[0],
syncuuid_cmp );
if ( present_uuid == NULL ) {
np_entry = (struct nonpresent_entry *)
ch_calloc( 1, sizeof( struct nonpresent_entry ));
np_entry->npe_name = ber_dupbv( NULL, &rs->sr_entry->e_name );
np_entry->npe_nname = ber_dupbv( NULL, &rs->sr_entry->e_nname );
LDAP_LIST_INSERT_HEAD( &si->si_nonpresentlist, np_entry, npe_link );
} else {
avl_delete( &si->si_presentlist,
&a->a_nvals[0], syncuuid_cmp );
ch_free( present_uuid->bv_val );
ch_free( present_uuid );
}
}
return LDAP_SUCCESS;
}
static int
null_callback(
Operation* op,
SlapReply* rs )
{
if ( rs->sr_err != LDAP_SUCCESS &&
rs->sr_err != LDAP_REFERRAL &&
rs->sr_err != LDAP_ALREADY_EXISTS &&
rs->sr_err != LDAP_NO_SUCH_OBJECT &&
rs->sr_err != LDAP_NOT_ALLOWED_ON_NONLEAF )
{
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"null_callback : error code 0x%x\n",
rs->sr_err, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"null_callback : error code 0x%x\n",
rs->sr_err, 0, 0 );
#endif
}
return LDAP_SUCCESS;
}
Entry *
slap_create_syncrepl_entry(
Backend *be,
struct berval *context_csn,
struct berval *rdn,
struct berval *cn )
{
Entry* e;
struct berval bv;
e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
&ocbva[1], NULL );
attr_merge_one( e, slap_schema.si_ad_cn, cn, NULL );
if ( context_csn ) {
attr_merge_one( e, slap_schema.si_ad_syncreplCookie,
context_csn, NULL );
}
bv.bv_val = "{}";
bv.bv_len = sizeof("{}")-1;
attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
build_new_dn( &e->e_name, &be->be_nsuffix[0], rdn, NULL );
ber_dupbv( &e->e_nname, &e->e_name );
return e;
}
struct berval *
slap_uuidstr_from_normalized(
struct berval* uuidstr,
struct berval* normalized,
void *ctx )
{
struct berval *new;
unsigned char nibble;
int i, d = 0;
if ( normalized == NULL ) return NULL;
if ( normalized->bv_len != 16 ) return NULL;
if ( uuidstr ) {
new = uuidstr;
} else {
new = (struct berval *)sl_malloc( sizeof(struct berval), ctx );
}
new->bv_len = 36;
if (( new->bv_val = sl_malloc( new->bv_len + 1, ctx )) == NULL) {
if ( !uuidstr ) sl_free( new, ctx );
return NULL;
}
for ( i = 0; i < 16; i++ ) {
if ( i == 4 || i == 6 || i == 8 || i == 10 ) {
new->bv_val[(i<<1)+d] = '-';
d += 1;
}
nibble = (normalized->bv_val[i] >> 4) & 0xF;
if ( nibble < 10 ) {
new->bv_val[(i<<1)+d] = nibble + '0';
} else {
new->bv_val[(i<<1)+d] = nibble - 10 + 'a';
}
nibble = (normalized->bv_val[i]) & 0xF;
if ( nibble < 10 ) {
new->bv_val[(i<<1)+d+1] = nibble + '0';
} else {
new->bv_val[(i<<1)+d+1] = nibble - 10 + 'a';
}
}
new->bv_val[new->bv_len] = '\0';
return new;
}
static int
syncuuid_cmp( const void* v_uuid1, const void* v_uuid2 )
{
const struct berval *uuid1 = v_uuid1;
const struct berval *uuid2 = v_uuid2;
int rc = uuid1->bv_len - uuid2->bv_len;
if ( rc ) return rc;
return ( memcmp( uuid1->bv_val, uuid2->bv_val, uuid1->bv_len ) );
}
static void
avl_ber_bvfree( void *bv )
{
if( bv == NULL ) return;
if ( ((struct berval *)bv)->bv_val != NULL ) {
ch_free( ((struct berval *)bv)->bv_val );
}
ch_free( (char *) bv );
}
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