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openldap/servers/slapd/syncrepl.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 2003-2005 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 "lutil.h"
#include "slap.h"
#include "lutil_ldap.h"
#include "config.h"
#include "ldap_rq.h"
/* FIXME: for ldap_ld_free() */
#undef ldap_debug
#include "../../libraries/libldap/ldap-int.h"
struct nonpresent_entry {
struct berval *npe_name;
struct berval *npe_nname;
LDAP_LIST_ENTRY(nonpresent_entry) npe_link;
};
typedef struct syncinfo_s {
struct slap_backend_db *si_be;
struct re_s *si_re;
long si_rid;
struct berval si_provideruri;
slap_bindconf si_bindconf;
struct berval si_filterstr;
struct berval si_base;
int si_scope;
int si_attrsonly;
char *si_anfile;
AttributeName *si_anlist;
AttributeName *si_exanlist;
char **si_attrs;
char **si_exattrs;
int si_allattrs;
int si_allopattrs;
int si_schemachecking;
int si_type;
time_t si_interval;
time_t *si_retryinterval;
int *si_retrynum_init;
int *si_retrynum;
struct sync_cookie si_syncCookie;
int si_manageDSAit;
int si_slimit;
int si_tlimit;
int si_refreshDelete;
int si_refreshPresent;
Avlnode *si_presentlist;
LDAP *si_ld;
LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist;
ldap_pvt_thread_mutex_t si_mutex;
} syncinfo_t;
static int syncuuid_cmp( const void *, const void * );
static void avl_ber_bvfree( void * );
static void syncrepl_del_nonpresent( Operation *, syncinfo_t *, BerVarray );
static int syncrepl_message_to_entry(
syncinfo_t *, Operation *, LDAPMessage *,
Modifications **, Entry **, int );
static int syncrepl_entry(
syncinfo_t *, Operation*, Entry*,
Modifications**,int, struct berval*,
struct sync_cookie *,
struct berval * );
static void syncrepl_updateCookie(
syncinfo_t *, Operation *, struct berval *,
struct sync_cookie * );
static struct berval * slap_uuidstr_from_normalized(
struct berval *, struct berval *, void * );
/* 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];
static void
init_syncrepl(syncinfo_t *si)
{
int i, j, k, l, n;
char **attrs, **exattrs;
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;
}
if ( si->si_allattrs && si->si_allopattrs )
attrs = NULL;
else
attrs = anlist2attrs( si->si_anlist );
if ( attrs ) {
if ( si->si_allattrs ) {
i = 0;
while ( attrs[i] ) {
if ( !is_at_operational( at_find( attrs[i] ))) {
for ( j = i; attrs[j] != NULL; j++ ) {
if ( j == i )
ch_free( attrs[i] );
attrs[j] = attrs[j+1];
}
} else {
i++;
}
}
attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
attrs[i] = ch_strdup("*");
attrs[i + 1] = NULL;
} else if ( si->si_allopattrs ) {
i = 0;
while ( attrs[i] ) {
if ( is_at_operational( at_find( attrs[i] ))) {
for ( j = i; attrs[j] != NULL; j++ ) {
if ( j == i )
ch_free( attrs[i] );
attrs[j] = attrs[j+1];
}
} else {
i++;
}
}
attrs = ( char ** ) ch_realloc( attrs, (i + 2)*sizeof( char * ) );
attrs[i] = ch_strdup("+");
attrs[i + 1] = NULL;
}
for ( i = 0; sync_descs[i] != NULL; i++ ) {
j = 0;
while ( attrs[j] ) {
if ( !strcmp( attrs[j], sync_descs[i]->ad_cname.bv_val )) {
for ( k = j; attrs[k] != NULL; k++ ) {
if ( k == j )
ch_free( attrs[k] );
attrs[k] = attrs[k+1];
}
} else {
j++;
}
}
}
for ( n = 0; attrs[ n ] != NULL; n++ ) /* empty */;
if ( si->si_allopattrs ) {
attrs = ( char ** ) ch_realloc( attrs, (n + 2)*sizeof( char * ));
} else {
attrs = ( char ** ) ch_realloc( attrs, (n + 4)*sizeof( char * ));
}
if ( attrs == NULL ) {
Debug( LDAP_DEBUG_ANY, "out of memory\n", 0,0,0 );
}
/* Add Attributes */
if ( si->si_allopattrs ) {
attrs[n++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
} else {
for ( i = 0; sync_descs[ i ] != NULL; i++ ) {
attrs[ n++ ] = ch_strdup ( sync_descs[i]->ad_cname.bv_val );
}
}
attrs[ n ] = NULL;
} else {
i = 0;
if ( si->si_allattrs == si->si_allopattrs ) {
attrs = (char**) ch_malloc( 3 * sizeof(char*) );
attrs[i++] = ch_strdup( "*" );
attrs[i++] = ch_strdup( "+" );
} else if ( si->si_allattrs && !si->si_allopattrs ) {
for ( n = 0; sync_descs[ n ] != NULL; n++ ) ;
attrs = (char**) ch_malloc( (n+1)* sizeof(char*) );
attrs[i++] = ch_strdup( "*" );
for ( j = 1; sync_descs[ j ] != NULL; j++ ) {
attrs[i++] = ch_strdup ( sync_descs[j]->ad_cname.bv_val );
}
} else if ( !si->si_allattrs && si->si_allopattrs ) {
attrs = (char**) ch_malloc( 3 * sizeof(char*) );
attrs[i++] = ch_strdup( "+" );
attrs[i++] = ch_strdup( sync_descs[0]->ad_cname.bv_val );
}
attrs[i] = NULL;
}
si->si_attrs = attrs;
exattrs = anlist2attrs( si->si_exanlist );
if ( exattrs ) {
for ( n = 0; exattrs[n] != NULL; n++ ) ;
for ( i = 0; sync_descs[i] != NULL; i++ ) {
j = 0;
while ( exattrs[j] != NULL ) {
if ( !strcmp( exattrs[j], sync_descs[i]->ad_cname.bv_val )) {
for ( k = j; exattrs[k] != NULL; k++ ) {
if ( k == j )
ch_free( exattrs[k] );
exattrs[k] = exattrs[k+1];
}
} else {
j++;
}
}
}
for ( i = 0; exattrs[i] != NULL; i++ ) {
for ( j = 0; si->si_anlist[j].an_name.bv_val; j++ ) {
ObjectClass *oc;
if ( ( oc = si->si_anlist[j].an_oc ) ) {
k = 0;
while ( oc->soc_required[k] ) {
if ( !strcmp( exattrs[i],
oc->soc_required[k]->sat_cname.bv_val )) {
for ( l = i; exattrs[l]; l++ ) {
if ( l == i )
ch_free( exattrs[i] );
exattrs[l] = exattrs[l+1];
}
} else {
k++;
}
}
}
}
}
for ( i = 0; exattrs[i] != NULL; i++ ) ;
if ( i != n )
exattrs = (char **) ch_realloc( exattrs, (i + 1)*sizeof(char *));
}
si->si_exattrs = exattrs;
}
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 ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
{
ber_printf( ber, "{eO}",
abs(si->si_type),
&si->si_syncCookie.octet_str );
} 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 ( !BER_BVISNULL( &si->si_bindconf.sb_authzId ) ) {
c[1].ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
c[1].ldctl_value = si->si_bindconf.sb_authzId;
c[1].ldctl_iscritical = 1;
ctrls[1] = &c[1];
ctrls[2] = NULL;
} else {
ctrls[1] = NULL;
}
timeout.tv_sec = si->si_tlimit;
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 ? &timeout : NULL,
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;
struct sync_cookie *sc = NULL;
struct berval *psub;
#ifdef HAVE_TLS
void *ssl;
#endif
psub = &si->si_be->be_nsuffix[0];
/* Init connection to master */
rc = ldap_initialize( &si->si_ld, si->si_provideruri.bv_val );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"do_syncrep1: ldap_initialize failed (%s)\n",
si->si_provideruri.bv_val, 0, 0 );
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_bindconf.sb_tls ) {
rc = ldap_start_tls_s( si->si_ld, NULL, NULL );
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"%s: ldap_start_tls failed (%d)\n",
si->si_bindconf.sb_tls == SB_TLS_CRITICAL ? "Error" : "Warning",
rc, 0 );
if( si->si_bindconf.sb_tls == SB_TLS_CRITICAL ) goto done;
}
}
if ( si->si_bindconf.sb_method == LDAP_AUTH_SASL ) {
#ifdef HAVE_CYRUS_SASL
void *defaults;
if ( si->si_bindconf.sb_secprops != NULL ) {
rc = ldap_set_option( si->si_ld,
LDAP_OPT_X_SASL_SECPROPS, si->si_bindconf.sb_secprops);
if( rc != LDAP_OPT_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "Error: ldap_set_option "
"(%s,SECPROPS,\"%s\") failed!\n",
si->si_provideruri.bv_val, si->si_bindconf.sb_secprops, 0 );
goto done;
}
}
defaults = lutil_sasl_defaults( si->si_ld,
si->si_bindconf.sb_saslmech.bv_val,
si->si_bindconf.sb_realm.bv_val,
si->si_bindconf.sb_authcId.bv_val,
si->si_bindconf.sb_cred.bv_val,
si->si_bindconf.sb_authzId.bv_val );
rc = ldap_sasl_interactive_bind_s( si->si_ld,
si->si_bindconf.sb_binddn.bv_val,
si->si_bindconf.sb_saslmech.bv_val,
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 ) {
static struct berval bv_GSSAPI = BER_BVC( "GSSAPI" );
Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
"ldap_sasl_interactive_bind_s failed (%d)\n",
rc, 0, 0 );
/* FIXME (see above comment) */
/* if Kerberos credentials cache is not active, retry */
if ( ber_bvcmp( &si->si_bindconf.sb_saslmech, &bv_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 if ( si->si_bindconf.sb_method == LDAP_AUTH_SIMPLE ) {
rc = ldap_sasl_bind_s( si->si_ld,
si->si_bindconf.sb_binddn.bv_val, LDAP_SASL_SIMPLE,
&si->si_bindconf.sb_cred, NULL, NULL, NULL );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
"ldap_sasl_bind_s failed (%d)\n", rc, 0, 0 );
goto done;
}
}
/* Set SSF to strongest of TLS, SASL SSFs */
op->o_sasl_ssf = 0;
op->o_tls_ssf = 0;
op->o_transport_ssf = 0;
#ifdef HAVE_TLS
if ( ldap_get_option( si->si_ld, LDAP_OPT_X_TLS_SSL_CTX, &ssl )
== LDAP_SUCCESS && ssl != NULL )
{
op->o_tls_ssf = ldap_pvt_tls_get_strength( ssl );
}
#endif /* HAVE_TLS */
ldap_get_option( si->si_ld, LDAP_OPT_X_SASL_SSF, &op->o_sasl_ssf );
op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
? op->o_sasl_ssf : op->o_tls_ssf;
if ( BER_BVISNULL( &si->si_syncCookie.octet_str )) {
/* get contextCSN shadow replica from database */
BerVarray csn = NULL;
assert( si->si_rid < 1000 );
op->o_req_ndn = op->o_bd->be_nsuffix[0];
op->o_req_dn = op->o_req_ndn;
/* try to read stored contextCSN */
backend_attribute( op, NULL, &op->o_req_ndn,
slap_schema.si_ad_contextCSN, &csn, ACL_READ );
if ( csn ) {
ch_free( si->si_syncCookie.ctxcsn.bv_val );
ber_dupbv( &si->si_syncCookie.ctxcsn, csn );
ber_bvarray_free_x( csn, op->o_tmpmemctx );
}
si->si_syncCookie.rid = si->si_rid;
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 */
LDAP_STAILQ_REMOVE( &slap_sync_cookie, sc, sync_cookie, sc_next );
/* ctxcsn wasn't parsed yet, do it now */
slap_parse_sync_cookie( sc, op->o_tmpmemctx );
if ( BER_BVISNULL( &sc->ctxcsn ) ) {
/* if cmdline cookie does not have ctxcsn */
/* component, set it to an initial value */
slap_init_sync_cookie_ctxcsn( sc );
}
slap_sync_cookie_free( &si->si_syncCookie, 0 );
slap_dup_sync_cookie( &si->si_syncCookie, sc );
slap_sync_cookie_free( sc, 1 );
}
slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
&si->si_syncCookie.ctxcsn, si->si_syncCookie.rid );
}
rc = ldap_sync_search( si, op->o_tmpmemctx );
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "do_syncrep1: "
"ldap_search_ext: %s (%d)\n", ldap_err2string( rc ), rc, 0 );
}
done:
if ( rc ) {
if ( si->si_ld ) {
ldap_unbind_ext( si->si_ld, NULL, NULL );
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 = { BER_BVNULL };
struct sync_cookie syncCookie_req = { BER_BVNULL };
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 );
Debug( LDAP_DEBUG_TRACE, "=>do_syncrep2\n", 0, 0, 0 );
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 ) )
{
if ( slapd_shutdown ) {
rc = -2;
goto done;
}
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 ) {
Debug( LDAP_DEBUG_ANY, "do_syncrep2: "
"got search entry without "
"control\n", 0, 0, 0 );
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 ( !BER_BVISNULL( &cookie ) ) {
ch_free( syncCookie.octet_str.bv_val );
ber_dupbv( &syncCookie.octet_str, &cookie );
}
if ( !BER_BVISNULL( &syncCookie.octet_str ) )
{
slap_parse_sync_cookie( &syncCookie, NULL );
}
}
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, &syncCookie.ctxcsn );
if ( !BER_BVISNULL( &syncCookie.octet_str ) )
{
syncrepl_updateCookie( si, op, psub, &syncCookie );
}
}
ldap_controls_free( rctrls );
if ( modlist ) {
slap_mods_free( modlist, 1 );
}
if ( rc_efree && entry ) {
entry_free( entry );
}
entry = NULL;
break;
case LDAP_RES_SEARCH_REFERENCE:
Debug( LDAP_DEBUG_ANY,
"do_syncrep2: reference received error\n", 0, 0, 0 );
break;
case LDAP_RES_SEARCH_RESULT:
Debug( LDAP_DEBUG_SYNC,
"do_syncrep2: LDAP_RES_SEARCH_RESULT\n", 0, 0, 0 );
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 ( !BER_BVISNULL( &cookie ) ) {
ch_free( syncCookie.octet_str.bv_val );
ber_dupbv( &syncCookie.octet_str, &cookie);
}
if ( !BER_BVISNULL( &syncCookie.octet_str ) )
{
slap_parse_sync_cookie( &syncCookie, NULL );
}
}
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_REFRESHDELETES )
{
ber_scanf( ber, "b", &refreshDeletes );
}
ber_scanf( ber, /*"{"*/ "}" );
}
if ( BER_BVISNULL( &syncCookie_req.ctxcsn )) {
match = -1;
} else if ( BER_BVISNULL( &syncCookie.ctxcsn )) {
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, &syncCookie.ctxcsn,
&text );
}
if ( !BER_BVISNULL( &syncCookie.octet_str ) &&
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, NULL );
} 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 ) ) {
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:
Debug( LDAP_DEBUG_SYNC,
"do_syncrep2: %s - %s%s\n",
"LDAP_RES_INTERMEDIATE",
"NEW_COOKIE", "\n" );
ber_scanf( ber, "tm", &tag, &cookie );
break;
case LDAP_TAG_SYNC_REFRESH_DELETE:
case LDAP_TAG_SYNC_REFRESH_PRESENT:
Debug( LDAP_DEBUG_SYNC,
"do_syncrep2: %s - %s%s\n",
"LDAP_RES_INTERMEDIATE",
si_tag == LDAP_TAG_SYNC_REFRESH_PRESENT ?
"REFRESH_PRESENT" : "REFRESH_DELETE",
"\n" );
if ( si_tag == LDAP_TAG_SYNC_REFRESH_DELETE ) {
si->si_refreshDelete = 1;
} else {
si->si_refreshPresent = 1;
}
ber_scanf( ber, "t{" /*"}"*/, &tag );
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SYNC_COOKIE )
{
ber_scanf( ber, "m", &cookie );
if ( !BER_BVISNULL( &cookie ) ) {
ch_free( syncCookie.octet_str.bv_val );
ber_dupbv( &syncCookie.octet_str, &cookie );
}
if ( !BER_BVISNULL( &syncCookie.octet_str ) )
{
slap_parse_sync_cookie( &syncCookie, NULL );
}
}
if ( ber_peek_tag( ber, &len ) ==
LDAP_TAG_REFRESHDONE )
{
ber_scanf( ber, "b", &refreshDone );
}
ber_scanf( ber, /*"{"*/ "}" );
break;
case LDAP_TAG_SYNC_ID_SET:
Debug( LDAP_DEBUG_SYNC,
"do_syncrep2: %s - %s%s\n",
"LDAP_RES_INTERMEDIATE",
"SYNC_ID_SET",
"\n" );
ber_scanf( ber, "t{" /*"}"*/, &tag );
if ( ber_peek_tag( ber, &len ) ==
LDAP_TAG_SYNC_COOKIE )
{
ber_scanf( ber, "m", &cookie );
if ( !BER_BVISNULL( &cookie ) ) {
ch_free( syncCookie.octet_str.bv_val );
ber_dupbv( &syncCookie.octet_str, &cookie );
}
if ( !BER_BVISNULL( &syncCookie.octet_str ) )
{
slap_parse_sync_cookie( &syncCookie, NULL );
}
}
if ( ber_peek_tag( ber, &len ) ==
LDAP_TAG_REFRESHDELETES )
{
ber_scanf( ber, "b", &refreshDeletes );
}
ber_scanf( ber, "[W]", &syncUUIDs );
ber_scanf( ber, /*"{"*/ "}" );
if ( refreshDeletes ) {
syncrepl_del_nonpresent( op, si, syncUUIDs );
ber_bvarray_free_x( syncUUIDs, op->o_tmpmemctx );
} else {
for ( i = 0; !BER_BVISNULL( &syncUUIDs[i] ); i++ ) {
struct berval *syncuuid_bv;
syncuuid_bv = ber_dupbv( NULL, &syncUUIDs[i] );
slap_sl_free( syncUUIDs[i].bv_val,op->o_tmpmemctx );
avl_insert( &si->si_presentlist,
(caddr_t) syncuuid_bv,
syncuuid_cmp, avl_dup_error );
}
slap_sl_free( syncUUIDs, op->o_tmpmemctx );
}
break;
default:
Debug( LDAP_DEBUG_ANY,
"do_syncrep2 : unknown syncinfo tag (%ld)\n",
(long) si_tag, 0, 0 );
ldap_memfree( retoid );
ber_bvfree( retdata );
continue;
}
if ( BER_BVISNULL( &syncCookie_req.ctxcsn )) {
match = -1;
} else if ( BER_BVISNULL( &syncCookie.ctxcsn )) {
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,
&syncCookie.ctxcsn, &text );
}
if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
match < 0 )
{
syncrepl_updateCookie( si, op, psub, &syncCookie);
}
if ( si->si_refreshPresent == 1 ) {
if ( match < 0 ) {
syncrepl_del_nonpresent( op, si, NULL );
}
}
ldap_memfree( retoid );
ber_bvfree( retdata );
break;
} else {
Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
"unknown intermediate response (%d)\n",
rc, 0, 0 );
ldap_memfree( retoid );
ber_bvfree( retdata );
break;
}
break;
default:
Debug( LDAP_DEBUG_ANY, "do_syncrep2 : "
"unknown message\n", 0, 0, 0 );
break;
}
if ( !BER_BVISNULL( &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 );
Debug( LDAP_DEBUG_ANY,
"do_syncrep2 : %s\n", errstr, 0, 0 );
}
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_ext( si->si_ld, NULL, NULL );
si->si_ld = NULL;
}
return rc;
}
static void *
do_syncrepl(
void *ctx,
void *arg )
{
struct re_s* rtask = arg;
syncinfo_t *si = ( syncinfo_t * ) rtask->arg;
Connection conn = {0};
char opbuf[OPERATION_BUFFER_SIZE];
Operation *op;
int rc = LDAP_SUCCESS;
int first = 0;
int dostop = 0;
ber_socket_t s;
int i, defer = 1;
Backend *be;
Debug( LDAP_DEBUG_TRACE, "=>do_syncrepl\n", 0, 0, 0 );
if ( si == NULL )
return NULL;
ldap_pvt_thread_mutex_lock( &si->si_mutex );
switch( abs( si->si_type )) {
case LDAP_SYNC_REFRESH_ONLY:
case LDAP_SYNC_REFRESH_AND_PERSIST:
break;
default:
ldap_pvt_thread_mutex_unlock( &si->si_mutex );
return NULL;
}
if ( slapd_shutdown ) {
if ( si->si_ld ) {
ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
connection_client_stop( s );
ldap_unbind_ext( si->si_ld, NULL, NULL );
si->si_ld = NULL;
}
ldap_pvt_thread_mutex_unlock( &si->si_mutex );
return NULL;
}
op = (Operation *)opbuf;
connection_fake_init( &conn, op, ctx );
/* use global malloc for now */
op->o_tmpmemctx = NULL;
op->o_tmpmfuncs = &ch_mfuncs;
op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
op->o_bd = be = si->si_be;
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
/* Establish session, do search */
if ( !si->si_ld ) {
first = 1;
si->si_refreshDelete = 0;
si->si_refreshPresent = 0;
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( &slapd_rq.rq_mutex );
if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask )) {
ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
}
if ( dostop ) {
connection_client_stop( s );
}
if ( rc == LDAP_SUCCESS ) {
if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
defer = 0;
}
rtask->interval.tv_sec = si->si_interval;
ldap_pvt_runqueue_resched( &slapd_rq, rtask, defer );
if ( si->si_retrynum ) {
for ( i = 0; si->si_retrynum_init[i] != -2; i++ ) {
si->si_retrynum[i] = si->si_retrynum_init[i];
}
si->si_retrynum[i] = -2;
}
} else {
for ( i = 0; si->si_retrynum && si->si_retrynum[i] <= 0; i++ ) {
if ( si->si_retrynum[i] == -1 || si->si_retrynum[i] == -2 )
break;
}
if ( !si->si_retrynum || si->si_retrynum[i] == -2 ) {
ldap_pvt_runqueue_remove( &slapd_rq, rtask );
} else if ( si->si_retrynum[i] >= -1 ) {
if ( si->si_retrynum[i] > 0 )
si->si_retrynum[i]--;
rtask->interval.tv_sec = si->si_retryinterval[i];
ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
slap_wake_listener();
}
}
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
ldap_pvt_thread_mutex_unlock( &si->si_mutex );
return NULL;
}
static 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 ) {
Debug( LDAP_DEBUG_ANY,
"Message type should be entry (%d)", ldap_msgtype( msg ), 0, 0 );
return -1;
}
op->o_tag = LDAP_REQ_ADD;
rc = ldap_get_dn_ber( si->si_ld, msg, &ber, &bdn );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"syncrepl_message_to_entry : dn get failed (%d)", rc, 0, 0 );
return rc;
}
dnPrettyNormal( NULL, &bdn, &dn, &ndn, op->o_tmpmemctx );
ber_dupbv( &op->o_req_dn, &dn );
ber_dupbv( &op->o_req_ndn, &ndn );
slap_sl_free( ndn.bv_val, op->o_tmpmemctx );
slap_sl_free( dn.bv_val, op->o_tmpmemctx );
if ( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_DELETE ) {
if ( entry )
*entry = NULL;
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 ) || BER_BVISNULL( &tmp.sml_type ) )
{
break;
}
mod = (Modifications *) ch_malloc( sizeof( Modifications ));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_flags = 0;
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 ) {
Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: no attributes\n",
0, 0, 0 );
rc = -1;
goto done;
}
rc = slap_mods_check( *modlist, &text, txtbuf, textlen, NULL );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods check (%s)\n",
text, 0, 0 );
goto done;
}
/* Strip out dynamically generated attrs */
for ( modtail = modlist; *modtail ; ) {
mod = *modtail;
if ( mod->sml_desc->ad_type->sat_flags & SLAP_AT_DYNAMIC ) {
*modtail = mod->sml_next;
slap_mod_free( &mod->sml_mod, 0 );
ch_free( mod );
} else {
modtail = &mod->sml_next;
}
}
/* Strip out attrs in exattrs list */
for ( modtail = modlist; *modtail ; ) {
mod = *modtail;
if ( ldap_charray_inlist( si->si_exattrs,
mod->sml_desc->ad_type->sat_cname.bv_val )) {
*modtail = mod->sml_next;
slap_mod_free( &mod->sml_mod, 0 );
ch_free( mod );
} else {
modtail = &mod->sml_next;
}
}
rc = slap_mods2entry( *modlist, &e, 1, 1, &text, txtbuf, textlen);
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "syncrepl_message_to_entry: mods2entry (%s)\n",
text, 0, 0 );
}
done:
ber_free ( ber, 0 );
if ( rc != LDAP_SUCCESS ) {
if ( e ) {
entry_free( e );
*entry = e = NULL;
}
}
return rc;
}
static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
/* During a refresh, we may get an LDAP_SYNC_ADD for an already existing
* entry if a previous refresh was interrupted before sending us a new
* context state. We try to compare the new entry to the existing entry
* and ignore the new entry if they are the same.
*
* Also, we may get an update where the entryDN has changed, due to
* a ModDn on the provider. We detect this as well, so we can issue
* the corresponding operation locally.
*
* In the case of a modify, we get a list of all the attributes
* in the original entry. Rather than deleting the entry and re-adding it,
* we issue a Modify request that deletes all the attributes and adds all
* the new ones. This avoids the issue of trying to delete/add a non-leaf
* entry.
*
* We don't try to otherwise distinguish ModDN from Modify; in the case of
* a ModDN we will issue both operations on the local database.
*/
typedef struct dninfo {
Entry *new_entry;
struct berval dn;
struct berval ndn;
int renamed; /* Was an existing entry renamed? */
int wasChanged; /* are the attributes changed? */
int attrs; /* how many attribute types are in the ads list */
AttributeDescription **ads;
} dninfo;
static int
syncrepl_entry(
syncinfo_t* si,
Operation *op,
Entry* entry,
Modifications** modlist,
int syncstate,
struct berval* syncUUID,
struct sync_cookie* syncCookie_req,
struct berval* syncCSN )
{
Backend *be = op->o_bd;
slap_callback cb = { NULL, NULL, NULL, NULL };
struct berval *syncuuid_bv = NULL;
struct berval syncUUID_strrep = BER_BVNULL;
struct berval uuid_bv = BER_BVNULL;
SlapReply rs_search = {REP_RESULT};
SlapReply rs_delete = {REP_RESULT};
SlapReply rs_add = {REP_RESULT};
SlapReply rs_modify = {REP_RESULT};
Filter f = {0};
#ifdef LDAP_COMP_MATCH
AttributeAssertion ava = { NULL, BER_BVNULL, NULL };
#else
AttributeAssertion ava = { NULL, BER_BVNULL };
#endif
int rc = LDAP_SUCCESS;
int ret = LDAP_SUCCESS;
struct berval pdn = BER_BVNULL;
dninfo dni = {0};
int retry = 1;
switch( syncstate ) {
case LDAP_SYNC_PRESENT:
Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
"syncrepl_entry",
"LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_PRESENT)", 0 );
break;
case LDAP_SYNC_ADD:
Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
"syncrepl_entry",
"LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_ADD)", 0 );
break;
case LDAP_SYNC_DELETE:
Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
"syncrepl_entry",
"LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_DELETE)", 0 );
break;
case LDAP_SYNC_MODIFY:
Debug( LDAP_DEBUG_SYNC, "%s: %s\n",
"syncrepl_entry",
"LDAP_RES_SEARCH_ENTRY(LDAP_SYNC_MODIFY)", 0 );
break;
default:
Debug( LDAP_DEBUG_ANY, "%s: %s\n",
"syncrepl_entry",
"LDAP_RES_SEARCH_ENTRY(UNKNOWN syncstate)", 0 );
}
if (( syncstate == LDAP_SYNC_PRESENT || syncstate == LDAP_SYNC_ADD )) {
if ( !si->si_refreshPresent ) {
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 0;
} else if ( syncstate != LDAP_SYNC_DELETE ) {
if ( entry == NULL ) {
return 0;
}
}
f.f_choice = LDAP_FILTER_EQUALITY;
f.f_ava = &ava;
ava.aa_desc = slap_schema.si_ad_entryUUID;
(void)slap_uuidstr_from_normalized( &syncUUID_strrep, syncUUID, op->o_tmpmemctx );
ava.aa_value = *syncUUID;
op->ors_filter = &f;
op->ors_filterstr.bv_len = STRLENOF( "(entryUUID=)" ) + syncUUID->bv_len;
op->ors_filterstr.bv_val = (char *) slap_sl_malloc(
op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
AC_MEMCPY( op->ors_filterstr.bv_val, "(entryUUID=", STRLENOF( "(entryUUID=" ) );
AC_MEMCPY( &op->ors_filterstr.bv_val[STRLENOF( "(entryUUID=" )],
syncUUID->bv_val, syncUUID->bv_len );
op->ors_filterstr.bv_val[op->ors_filterstr.bv_len - 1] = ')';
op->ors_filterstr.bv_val[op->ors_filterstr.bv_len] = '\0';
op->o_tag = LDAP_REQ_SEARCH;
op->ors_scope = LDAP_SCOPE_SUBTREE;
op->ors_deref = LDAP_DEREF_NEVER;
/* get the entry for this UUID */
op->o_req_dn = si->si_base;
op->o_req_ndn = si->si_base;
op->o_time = slap_get_time();
op->ors_tlimit = SLAP_NO_LIMIT;
op->ors_slimit = 1;
op->ors_attrs = slap_anlist_all_attributes;
op->ors_attrsonly = 0;
/* set callback function */
op->o_callback = &cb;
cb.sc_response = dn_callback;
cb.sc_private = &dni;
dni.new_entry = entry;
if ( limits_check( op, &rs_search ) == 0 ) {
rc = be->be_search( op, &rs_search );
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s (%d)\n",
"be_search", rc, 0 );
}
if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
slap_sl_free( op->ors_filterstr.bv_val, op->o_tmpmemctx );
}
cb.sc_response = null_callback;
cb.sc_private = si;
if ( entry && !BER_BVISNULL( &entry->e_name ) ) {
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s\n",
entry->e_name.bv_val, 0, 0 );
} else {
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s\n",
dni.dn.bv_val ? dni.dn.bv_val : "(null)", 0, 0 );
}
if ( syncstate != LDAP_SYNC_DELETE ) {
Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryUUID );
if ( a == NULL ) {
/* add if missing */
attr_merge_one( entry, slap_schema.si_ad_entryUUID,
&syncUUID_strrep, syncUUID );
} else if ( !bvmatch( &a->a_nvals[0], syncUUID ) ) {
/* replace only if necessary */
if ( a->a_nvals != a->a_vals ) {
ber_memfree( a->a_nvals[0].bv_val );
ber_dupbv( &a->a_nvals[0], syncUUID );
}
ber_memfree( a->a_vals[0].bv_val );
ber_dupbv( &a->a_vals[0], &syncUUID_strrep );
}
}
switch ( syncstate ) {
case LDAP_SYNC_ADD:
case LDAP_SYNC_MODIFY:
retry_add:;
if ( BER_BVISNULL( &dni.dn )) {
op->o_req_dn = entry->e_name;
op->o_req_ndn = entry->e_nname;
op->o_tag = LDAP_REQ_ADD;
op->ora_e = entry;
rc = be->be_add( op, &rs_add );
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s (%d)\n",
"be_add", rc, 0 );
switch ( rs_add.sr_err ) {
case LDAP_SUCCESS:
be_entry_release_w( op, entry );
ret = 0;
break;
case LDAP_REFERRAL:
/* we assume that LDAP_NO_SUCH_OBJECT is returned
* only if the suffix entry is not present */
case LDAP_NO_SUCH_OBJECT:
syncrepl_add_glue( op, entry );
ret = 0;
break;
/* if an entry was added via syncrepl_add_glue(),
* it likely has no entryUUID, so the previous
* be_search() doesn't find it. In this case,
* give syncrepl a chance to modify it. Also
* allow for entries that were recreated with the
* same DN but a different entryUUID.
*/
case LDAP_ALREADY_EXISTS:
if ( retry ) {
Operation op2 = *op;
SlapReply rs2 = { 0 };
slap_callback cb2 = { 0 };
op2.o_tag = LDAP_REQ_SEARCH;
op2.o_req_dn = entry->e_name;
op2.o_req_ndn = entry->e_nname;
op2.ors_scope = LDAP_SCOPE_BASE;
op2.ors_deref = LDAP_DEREF_NEVER;
op2.ors_attrs = slap_anlist_all_attributes;
op2.ors_attrsonly = 0;
op2.ors_limit = NULL;
op2.ors_slimit = 1;
op2.ors_tlimit = SLAP_NO_LIMIT;
f.f_choice = LDAP_FILTER_PRESENT;
f.f_desc = slap_schema.si_ad_objectClass;
op2.ors_filter = &f;
op2.ors_filterstr = generic_filterstr;
op2.o_callback = &cb2;
cb2.sc_response = dn_callback;
cb2.sc_private = &dni;
be->be_search( &op2, &rs2 );
retry = 0;
goto retry_add;
}
/* FALLTHRU */
default:
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : be_add failed (%d)\n",
rs_add.sr_err, 0, 0 );
ret = 1;
break;
}
goto done;
}
/* FALLTHRU */
op->o_req_dn = dni.dn;
op->o_req_ndn = dni.ndn;
if ( dni.renamed ) {
struct berval noldp, newp, nnewp;
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, &newp )) {
dnParent( &entry->e_name, &newp );
op->orr_newSup = &newp;
op->orr_nnewSup = &nnewp;
}
op->orr_deleteoldrdn = 0;
rc = be->be_modrdn( op, &rs_modify );
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s (%d)\n",
"be_modrdn", rc, 0 );
if ( rs_modify.sr_err == LDAP_SUCCESS ) {
op->o_req_dn = entry->e_name;
op->o_req_ndn = entry->e_nname;
} else {
ret = 1;
goto done;
}
}
if ( dni.wasChanged ) {
Modifications *mod, *modhead = NULL;
Modifications *modtail = NULL;
int i;
op->o_tag = LDAP_REQ_MODIFY;
assert( *modlist != NULL );
/* Delete all the old attrs */
for ( i = 0; i < dni.attrs; i++ ) {
mod = ch_malloc( sizeof( Modifications ) );
mod->sml_op = LDAP_MOD_DELETE;
mod->sml_flags = 0;
mod->sml_desc = dni.ads[i];
mod->sml_type = mod->sml_desc->ad_cname;
mod->sml_values = NULL;
mod->sml_nvalues = NULL;
if ( !modhead ) modhead = mod;
if ( modtail ) {
modtail->sml_next = mod;
}
modtail = mod;
}
/* Append passed in list to ours */
if ( modtail ) {
modtail->sml_next = *modlist;
*modlist = modhead;
} else {
mod = *modlist;
}
/* Find end of this list */
for ( ; mod != NULL; mod = mod->sml_next ) {
modtail = mod;
}
mod = (Modifications *)ch_calloc(1, sizeof(Modifications));
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_flags = 0;
mod->sml_desc = slap_schema.si_ad_entryUUID;
mod->sml_type = mod->sml_desc->ad_cname;
ber_dupbv( &uuid_bv, &syncUUID_strrep );
ber_bvarray_add( &mod->sml_values, &uuid_bv );
ber_dupbv( &uuid_bv, syncUUID );
ber_bvarray_add( &mod->sml_nvalues, &uuid_bv );
modtail->sml_next = mod;
op->o_tag = LDAP_REQ_MODIFY;
op->orm_modlist = *modlist;
rc = be->be_modify( op, &rs_modify );
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s (%d)\n",
"be_modify", rc, 0 );
if ( rs_modify.sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : be_modify failed (%d)\n",
rs_modify.sr_err, 0, 0 );
}
}
ret = 1;
goto done;
case LDAP_SYNC_DELETE :
if ( !BER_BVISNULL( &dni.dn )) {
op->o_req_dn = dni.dn;
op->o_req_ndn = dni.ndn;
op->o_tag = LDAP_REQ_DELETE;
rc = be->be_delete( op, &rs_delete );
Debug( LDAP_DEBUG_SYNC,
"syncrepl_entry: %s (%d)\n",
"be_delete", rc, 0 );
while ( rs_delete.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_delete );
} else {
break;
}
}
}
ret = 0;
goto done;
default :
Debug( LDAP_DEBUG_ANY,
"syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
ret = 1;
goto done;
}
done :
if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
BER_BVZERO( &syncUUID_strrep );
}
if ( dni.ads ) {
op->o_tmpfree( dni.ads, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &dni.ndn ) ) {
op->o_tmpfree( dni.ndn.bv_val, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &dni.dn ) ) {
op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
}
return ret;
}
static struct berval gcbva[] = {
BER_BVC("top"),
BER_BVC("glue"),
BER_BVNULL
};
#define NP_DELETE_ONE 2
static void
syncrepl_del_nonpresent(
Operation *op,
syncinfo_t *si,
BerVarray uuids )
{
Backend* be = op->o_bd;
slap_callback cb = { NULL };
SlapReply rs_search = {REP_RESULT};
SlapReply rs_delete = {REP_RESULT};
SlapReply rs_modify = {REP_RESULT};
struct nonpresent_entry *np_list, *np_prev;
int rc;
AttributeName an[2];
struct berval pdn = BER_BVNULL;
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->o_time = slap_get_time();
op->ors_tlimit = SLAP_NO_LIMIT;
if ( uuids ) {
Filter uf;
#ifdef LDAP_COMP_MATCH
AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
#else
AttributeAssertion eq = { NULL, BER_BVNULL };
#endif
int i;
op->ors_attrsonly = 1;
op->ors_attrs = slap_anlist_no_attrs;
op->ors_limit = NULL;
op->ors_filter = &uf;
uf.f_ava = &eq;
uf.f_av_desc = slap_schema.si_ad_entryUUID;
uf.f_next = NULL;
uf.f_choice = LDAP_FILTER_EQUALITY;
si->si_refreshDelete |= NP_DELETE_ONE;
for (i=0; uuids[i].bv_val; i++) {
op->ors_slimit = 1;
uf.f_av_value = uuids[i];
rc = be->be_search( op, &rs_search );
}
si->si_refreshDelete ^= NP_DELETE_ONE;
} else {
memset( &an[0], 0, 2 * sizeof( AttributeName ) );
an[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
an[0].an_desc = slap_schema.si_ad_entryUUID;
op->ors_attrs = an;
op->ors_slimit = SLAP_NO_LIMIT;
op->ors_attrsonly = 0;
op->ors_filter = str2filter_x( op, si->si_filterstr.bv_val );
op->ors_filterstr = si->si_filterstr;
op->o_nocaching = 1;
if ( limits_check( op, &rs_search ) == 0 ) {
rc = be->be_search( op, &rs_search );
}
if ( op->ors_filter ) filter_free_x( op, op->ors_filter );
}
op->o_nocaching = 0;
if ( !LDAP_LIST_EMPTY( &si->si_nonpresentlist ) ) {
slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
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_delete );
if ( rs_delete.sr_err == LDAP_NOT_ALLOWED_ON_NONLEAF ) {
Modifications mod1, mod2;
mod1.sml_op = LDAP_MOD_REPLACE;
mod1.sml_flags = 0;
mod1.sml_desc = slap_schema.si_ad_objectClass;
mod1.sml_type = mod1.sml_desc->ad_cname;
mod1.sml_values = &gcbva[0];
mod1.sml_nvalues = NULL;
mod1.sml_next = &mod2;
mod2.sml_op = LDAP_MOD_REPLACE;
mod2.sml_flags = 0;
mod2.sml_desc = slap_schema.si_ad_structuralObjectClass;
mod2.sml_type = mod2.sml_desc->ad_cname;
mod2.sml_values = &gcbva[1];
mod2.sml_nvalues = NULL;
mod2.sml_next = NULL;
op->o_tag = LDAP_REQ_MODIFY;
op->orm_modlist = &mod1;
rc = be->be_modify( op, &rs_modify );
}
while ( rs_delete.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_delete );
} else {
break;
}
}
op->o_delete_glue_parent = 0;
ber_bvfree( np_prev->npe_name );
ber_bvfree( np_prev->npe_nname );
ch_free( np_prev );
}
slap_graduate_commit_csn( op );
}
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_add = {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 ( !BER_BVISEMPTY( &be->be_nsuffix[0] ) ) {
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_add );
if ( rs_add.sr_err == 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_add );
if ( rs_add.sr_err == LDAP_SUCCESS ) {
be_entry_release_w( op, e );
} else {
entry_free( e );
}
return;
}
static void
syncrepl_updateCookie(
syncinfo_t *si,
Operation *op,
struct berval *pdn,
struct sync_cookie *syncCookie )
{
Backend *be = op->o_bd;
Modifications mod = {0};
struct berval vals[2];
int rc;
slap_callback cb = { NULL };
SlapReply rs_modify = {REP_RESULT};
slap_sync_cookie_free( &si->si_syncCookie, 0 );
slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
mod.sml_op = LDAP_MOD_REPLACE;
mod.sml_desc = slap_schema.si_ad_contextCSN;
mod.sml_type = mod.sml_desc->ad_cname;
mod.sml_values = vals;
vals[0] = si->si_syncCookie.ctxcsn;
vals[1].bv_val = NULL;
vals[1].bv_len = 0;
slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
op->o_tag = LDAP_REQ_MODIFY;
assert( si->si_rid < 1000 );
cb.sc_response = null_callback;
cb.sc_private = si;
op->o_callback = &cb;
op->o_req_dn = op->o_bd->be_suffix[0];
op->o_req_ndn = op->o_bd->be_nsuffix[0];
/* update contextCSN */
op->o_msgid = SLAP_SYNC_UPDATE_MSGID;
op->orm_modlist = &mod;
rc = be->be_modify( op, &rs_modify );
op->o_msgid = 0;
if ( rs_modify.sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
}
slap_graduate_commit_csn( op );
return;
}
static int
dn_callback(
Operation* op,
SlapReply* rs )
{
dninfo *dni = op->o_callback->sc_private;
if ( rs->sr_type == REP_SEARCH ) {
if ( !BER_BVISNULL( &dni->dn ) ) {
Debug( LDAP_DEBUG_ANY,
"dn_callback : consistency error - "
"entryUUID is not unique\n", 0, 0, 0 );
} else {
ber_dupbv_x( &dni->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
ber_dupbv_x( &dni->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
/* If there is a new entry, see if it differs from the old.
* We compare the non-normalized values so that cosmetic changes
* in the provider are always propagated.
*/
if ( dni->new_entry ) {
Attribute *old, *new;
int i;
/* Did the DN change? Note that we don't explicitly try to
* discover if the deleteOldRdn argument applies here. It
* would save an unnecessary Modify if we detected it, but
* that's a fair amount of trouble to compare the two attr
* lists in detail.
*/
if ( !dn_match( &rs->sr_entry->e_name,
&dni->new_entry->e_name ) )
{
dni->renamed = 1;
}
for ( i = 0, old = rs->sr_entry->e_attrs;
old;
i++, old = old->a_next )
;
dni->attrs = i;
/* 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
* lock step. If not, we signal a change. Otherwise we test
* all the values...
*/
for ( old = rs->sr_entry->e_attrs, new = dni->new_entry->e_attrs;
old && new;
old = old->a_next, new = new->a_next )
{
if ( old->a_desc != new->a_desc ) {
dni->wasChanged = 1;
break;
}
for ( i = 0; ; i++ ) {
int nold, nnew;
nold = BER_BVISNULL( &old->a_vals[i] );
nnew = BER_BVISNULL( &new->a_vals[i] );
/* If both are empty, stop looking */
if ( nold && nnew ) {
break;
}
/* If they are different, stop looking */
if ( nold != nnew ) {
dni->wasChanged = 1;
break;
}
if ( ber_bvcmp( &old->a_vals[i], &new->a_vals[i] )) {
dni->wasChanged = 1;
break;
}
}
if ( dni->wasChanged ) break;
}
if ( dni->wasChanged ) {
dni->ads = op->o_tmpalloc( dni->attrs *
sizeof(AttributeDescription *), op->o_tmpmemctx );
i = 0;
for ( old = rs->sr_entry->e_attrs; old; old = old->a_next ) {
dni->ads[i] = old->a_desc;
i++;
}
}
}
}
} else if ( rs->sr_type == REP_RESULT ) {
if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
Debug( LDAP_DEBUG_ANY,
"dn_callback : consistency error - "
"entryUUID is not unique\n", 0, 0, 0 );
}
}
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 ) {
if ( !(si->si_refreshDelete & NP_DELETE_ONE )) {
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 )
{
Debug( LDAP_DEBUG_ANY,
"null_callback : error code 0x%x\n",
rs->sr_err, 0, 0 );
}
return LDAP_SUCCESS;
}
static 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 *)slap_sl_malloc( sizeof(struct berval), ctx );
if ( new == NULL ) {
return NULL;
}
}
new->bv_len = 36;
if ( ( new->bv_val = slap_sl_malloc( new->bv_len + 1, ctx ) ) == NULL ) {
if ( new != uuidstr ) {
slap_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 *v_bv )
{
struct berval *bv = (struct berval *)v_bv;
if( v_bv == NULL ) return;
if ( !BER_BVISNULL( bv ) ) {
ch_free( bv->bv_val );
}
ch_free( (char *) bv );
}
void
syncinfo_free( syncinfo_t *sie )
{
ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
if ( !BER_BVISNULL( &sie->si_provideruri ) ) {
ch_free( sie->si_provideruri.bv_val );
}
bindconf_free( &sie->si_bindconf );
if ( sie->si_filterstr.bv_val ) {
ch_free( sie->si_filterstr.bv_val );
}
if ( sie->si_base.bv_val ) {
ch_free( sie->si_base.bv_val );
}
if ( sie->si_attrs ) {
int i = 0;
while ( sie->si_attrs[i] != NULL ) {
ch_free( sie->si_attrs[i] );
i++;
}
ch_free( sie->si_attrs );
}
if ( sie->si_exattrs ) {
int i = 0;
while ( sie->si_exattrs[i] != NULL ) {
ch_free( sie->si_exattrs[i] );
i++;
}
ch_free( sie->si_exattrs );
}
if ( sie->si_anlist ) {
int i = 0;
while ( sie->si_anlist[i].an_name.bv_val != NULL ) {
ch_free( sie->si_anlist[i].an_name.bv_val );
i++;
}
ch_free( sie->si_anlist );
}
if ( sie->si_exanlist ) {
int i = 0;
while ( sie->si_exanlist[i].an_name.bv_val != NULL ) {
ch_free( sie->si_exanlist[i].an_name.bv_val );
i++;
}
ch_free( sie->si_exanlist );
}
if ( sie->si_retryinterval ) {
ch_free( sie->si_retryinterval );
}
if ( sie->si_retrynum ) {
ch_free( sie->si_retrynum );
}
if ( sie->si_retrynum_init ) {
ch_free( sie->si_retrynum_init );
}
slap_sync_cookie_free( &sie->si_syncCookie, 0 );
if ( sie->si_presentlist ) {
avl_free( sie->si_presentlist, avl_ber_bvfree );
}
if ( sie->si_ld ) {
ldap_ld_free( sie->si_ld, 1, NULL, NULL );
}
while ( !LDAP_LIST_EMPTY( &sie->si_nonpresentlist )) {
struct nonpresent_entry* npe;
npe = LDAP_LIST_FIRST( &sie->si_nonpresentlist );
LDAP_LIST_REMOVE( npe, npe_link );
if ( npe->npe_name ) {
if ( npe->npe_name->bv_val ) {
ch_free( npe->npe_name->bv_val );
}
ch_free( npe->npe_name );
}
if ( npe->npe_nname ) {
if ( npe->npe_nname->bv_val ) {
ch_free( npe->npe_nname->bv_val );
}
ch_free( npe->npe_nname );
}
ch_free( npe );
}
ch_free( sie );
}
/* NOTE: used & documented in slapd.conf(5) */
#define IDSTR "rid"
#define PROVIDERSTR "provider"
#define SCHEMASTR "schemachecking"
#define FILTERSTR "filter"
#define SEARCHBASESTR "searchbase"
#define SCOPESTR "scope"
#define ATTRSONLYSTR "attrsonly"
#define ATTRSSTR "attrs"
#define TYPESTR "type"
#define INTERVALSTR "interval"
#define RETRYSTR "retry"
#define SLIMITSTR "sizelimit"
#define TLIMITSTR "timelimit"
/* FIXME: undocumented */
#define OLDAUTHCSTR "bindprincipal"
#define EXATTRSSTR "exattrs"
#define MANAGEDSAITSTR "manageDSAit"
/* FIXME: unused */
#define LASTMODSTR "lastmod"
#define LMGENSTR "gen"
#define LMNOSTR "no"
#define LMREQSTR "req"
#define SRVTABSTR "srvtab"
#define SUFFIXSTR "suffix"
/* mandatory */
#define GOT_ID 0x0001
#define GOT_PROVIDER 0x0002
/* check */
#define GOT_ALL (GOT_ID|GOT_PROVIDER)
static struct {
struct berval key;
int val;
} scopes[] = {
{ BER_BVC("base"), LDAP_SCOPE_BASE },
{ BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
{ BER_BVC("onelevel"), LDAP_SCOPE_ONELEVEL }, /* OpenLDAP extension */
#ifdef LDAP_SCOPE_SUBORDINATE
{ BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
{ BER_BVC("subordinate"), LDAP_SCOPE_SUBORDINATE },
#endif
{ BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
{ BER_BVC("subtree"), LDAP_SCOPE_SUBTREE }, /* OpenLDAP extension */
{ BER_BVNULL, 0 }
};
static int
parse_syncrepl_line(
char **cargv,
int cargc,
syncinfo_t *si
)
{
int gots = 0;
int i;
char *val;
for ( i = 1; i < cargc; i++ ) {
if ( !strncasecmp( cargv[ i ], IDSTR "=",
STRLENOF( IDSTR "=" ) ) )
{
int tmp;
/* '\0' string terminator accounts for '=' */
val = cargv[ i ] + STRLENOF( IDSTR "=" );
tmp= atoi( val );
if ( tmp >= 1000 || tmp < 0 ) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"syncrepl id %d is out of range [0..999]\n", tmp );
return -1;
}
si->si_rid = tmp;
gots |= GOT_ID;
} else if ( !strncasecmp( cargv[ i ], PROVIDERSTR "=",
STRLENOF( PROVIDERSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( PROVIDERSTR "=" );
ber_str2bv( val, 0, 1, &si->si_provideruri );
gots |= GOT_PROVIDER;
} else if ( !strncasecmp( cargv[ i ], SCHEMASTR "=",
STRLENOF( SCHEMASTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( SCHEMASTR "=" );
if ( !strncasecmp( val, "on", STRLENOF( "on" ) )) {
si->si_schemachecking = 1;
} else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
si->si_schemachecking = 0;
} else {
si->si_schemachecking = 1;
}
} else if ( !strncasecmp( cargv[ i ], FILTERSTR "=",
STRLENOF( FILTERSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( FILTERSTR "=" );
ber_str2bv( val, 0, 1, &si->si_filterstr );
} else if ( !strncasecmp( cargv[ i ], SEARCHBASESTR "=",
STRLENOF( SEARCHBASESTR "=" ) ) )
{
struct berval bv;
int rc;
val = cargv[ i ] + STRLENOF( SEARCHBASESTR "=" );
if ( si->si_base.bv_val ) {
ch_free( si->si_base.bv_val );
}
ber_str2bv( val, 0, 0, &bv );
rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "Invalid base DN \"%s\": %d (%s)\n",
val, rc, ldap_err2string( rc ) );
return -1;
}
} else if ( !strncasecmp( cargv[ i ], SCOPESTR "=",
STRLENOF( SCOPESTR "=" ) ) )
{
int j;
val = cargv[ i ] + STRLENOF( SCOPESTR "=" );
for ( j=0; !BER_BVISNULL(&scopes[j].key); j++ ) {
if (!strcasecmp( val, scopes[j].key.bv_val )) {
si->si_scope = scopes[j].val;
break;
}
}
if ( BER_BVISNULL(&scopes[j].key) ) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"unknown scope \"%s\"\n", val);
return -1;
}
} else if ( !strncasecmp( cargv[ i ], ATTRSONLYSTR "=",
STRLENOF( ATTRSONLYSTR "=" ) ) )
{
si->si_attrsonly = 1;
} else if ( !strncasecmp( cargv[ i ], ATTRSSTR "=",
STRLENOF( ATTRSSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( ATTRSSTR "=" );
if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
char *attr_fname;
attr_fname = ch_strdup( val + STRLENOF(":include:") );
si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
if ( si->si_anlist == NULL ) {
ch_free( attr_fname );
return -1;
}
si->si_anfile = attr_fname;
} else {
char *str, *s, *next;
char delimstr[] = " ,\t";
str = ch_strdup( val );
for ( s = ldap_pvt_strtok( str, delimstr, &next );
s != NULL;
s = ldap_pvt_strtok( NULL, delimstr, &next ) )
{
if ( strlen(s) == 1 && *s == '*' ) {
si->si_allattrs = 1;
*(val + ( s - str )) = delimstr[0];
}
if ( strlen(s) == 1 && *s == '+' ) {
si->si_allopattrs = 1;
*(val + ( s - str )) = delimstr[0];
}
}
ch_free( str );
si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
if ( si->si_anlist == NULL ) {
return -1;
}
}
} else if ( !strncasecmp( cargv[ i ], EXATTRSSTR "=",
STRLENOF( EXATTRSSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( EXATTRSSTR "=" );
if ( !strncasecmp( val, ":include:", STRLENOF(":include:") )) {
char *attr_fname;
attr_fname = ch_strdup( val + STRLENOF(":include:") );
si->si_exanlist = file2anlist(
si->si_exanlist, attr_fname, " ,\t" );
if ( si->si_exanlist == NULL ) {
ch_free( attr_fname );
return -1;
}
ch_free( attr_fname );
} else {
si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
if ( si->si_exanlist == NULL ) {
return -1;
}
}
} else if ( !strncasecmp( cargv[ i ], TYPESTR "=",
STRLENOF( TYPESTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( TYPESTR "=" );
if ( !strncasecmp( val, "refreshOnly",
STRLENOF("refreshOnly") ))
{
si->si_type = LDAP_SYNC_REFRESH_ONLY;
} else if ( !strncasecmp( val, "refreshAndPersist",
STRLENOF("refreshAndPersist") ))
{
si->si_type = LDAP_SYNC_REFRESH_AND_PERSIST;
si->si_interval = 60;
} else {
fprintf( stderr, "Error: parse_syncrepl_line: "
"unknown sync type \"%s\"\n", val);
return -1;
}
} else if ( !strncasecmp( cargv[ i ], INTERVALSTR "=",
STRLENOF( INTERVALSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( INTERVALSTR "=" );
if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
si->si_interval = 0;
} else {
char *hstr;
char *mstr;
char *dstr;
char *sstr;
int dd, hh, mm, ss;
dstr = val;
hstr = strchr( dstr, ':' );
if ( hstr == NULL ) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"invalid interval \"%s\"\n", val );
return -1;
}
*hstr++ = '\0';
mstr = strchr( hstr, ':' );
if ( mstr == NULL ) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"invalid interval \"%s\"\n", val );
return -1;
}
*mstr++ = '\0';
sstr = strchr( mstr, ':' );
if ( sstr == NULL ) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"invalid interval \"%s\"\n", val );
return -1;
}
*sstr++ = '\0';
dd = atoi( dstr );
hh = atoi( hstr );
mm = atoi( mstr );
ss = atoi( sstr );
if (( hh > 24 ) || ( hh < 0 ) ||
( mm > 60 ) || ( mm < 0 ) ||
( ss > 60 ) || ( ss < 0 ) || ( dd < 0 )) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"invalid interval \"%s\"\n", val );
return -1;
}
si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
}
if ( si->si_interval < 0 ) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"invalid interval \"%ld\"\n",
(long) si->si_interval);
return -1;
}
} else if ( !strncasecmp( cargv[ i ], RETRYSTR "=",
STRLENOF( RETRYSTR "=" ) ) )
{
char **retry_list;
int j, k, n;
val = cargv[ i ] + STRLENOF( RETRYSTR "=" );
retry_list = (char **) ch_calloc( 1, sizeof( char * ));
retry_list[0] = NULL;
slap_str2clist( &retry_list, val, " ,\t" );
for ( k = 0; retry_list && retry_list[k]; k++ ) ;
n = k / 2;
if ( k % 2 ) {
fprintf( stderr,
"Error: incomplete syncrepl retry list\n" );
for ( k = 0; retry_list && retry_list[k]; k++ ) {
ch_free( retry_list[k] );
}
ch_free( retry_list );
exit( EXIT_FAILURE );
}
si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ));
si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ));
si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ));
for ( j = 0; j < n; j++ ) {
si->si_retryinterval[j] = atoi( retry_list[j*2] );
if ( *retry_list[j*2+1] == '+' ) {
si->si_retrynum_init[j] = -1;
si->si_retrynum[j] = -1;
j++;
break;
} else {
si->si_retrynum_init[j] = atoi( retry_list[j*2+1] );
si->si_retrynum[j] = atoi( retry_list[j*2+1] );
}
}
si->si_retrynum_init[j] = -2;
si->si_retrynum[j] = -2;
si->si_retryinterval[j] = 0;
for ( k = 0; retry_list && retry_list[k]; k++ ) {
ch_free( retry_list[k] );
}
ch_free( retry_list );
} else if ( !strncasecmp( cargv[ i ], MANAGEDSAITSTR "=",
STRLENOF( MANAGEDSAITSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
si->si_manageDSAit = atoi( val );
} else if ( !strncasecmp( cargv[ i ], SLIMITSTR "=",
STRLENOF( SLIMITSTR "=") ) )
{
val = cargv[ i ] + STRLENOF( SLIMITSTR "=" );
si->si_slimit = atoi( val );
} else if ( !strncasecmp( cargv[ i ], TLIMITSTR "=",
STRLENOF( TLIMITSTR "=" ) ) )
{
val = cargv[ i ] + STRLENOF( TLIMITSTR "=" );
si->si_tlimit = atoi( val );
} else if ( bindconf_parse( cargv[i], &si->si_bindconf )) {
fprintf( stderr, "Error: parse_syncrepl_line: "
"unknown keyword \"%s\"\n", cargv[ i ] );
return -1;
}
}
if ( gots != GOT_ALL ) {
fprintf( stderr,
"Error: Malformed \"syncrepl\" line in slapd config file" );
return -1;
}
return 0;
}
static int
add_syncrepl(
Backend *be,
char **cargv,
int cargc
)
{
syncinfo_t *si;
int rc = 0;
if ( !( be->be_search && be->be_add && be->be_modify && be->be_delete )) {
Debug( LDAP_DEBUG_ANY, "database %s does not support operations "
"required for syncrepl\n", be->be_type, 0, 0 );
return 1;
}
si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
if ( si == NULL ) {
Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
return 1;
}
si->si_bindconf.sb_tls = SB_TLS_OFF;
si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
si->si_schemachecking = 0;
ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
&si->si_filterstr );
si->si_base.bv_val = NULL;
si->si_scope = LDAP_SCOPE_SUBTREE;
si->si_attrsonly = 0;
si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
si->si_attrs = NULL;
si->si_allattrs = 0;
si->si_allopattrs = 0;
si->si_exattrs = NULL;
si->si_type = LDAP_SYNC_REFRESH_ONLY;
si->si_interval = 86400;
si->si_retryinterval = NULL;
si->si_retrynum_init = NULL;
si->si_retrynum = NULL;
si->si_manageDSAit = 0;
si->si_tlimit = 0;
si->si_slimit = 0;
si->si_presentlist = NULL;
LDAP_LIST_INIT( &si->si_nonpresentlist );
ldap_pvt_thread_mutex_init( &si->si_mutex );
rc = parse_syncrepl_line( cargv, cargc, si );
if ( rc == 0 ) {
si->si_be = be;
init_syncrepl( si );
si->si_re = ldap_pvt_runqueue_insert( &slapd_rq, si->si_interval,
do_syncrepl, si, "do_syncrepl", be->be_suffix[0].bv_val );
if ( !si->si_re )
rc = -1;
}
if ( rc < 0 ) {
Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
syncinfo_free( si );
return 1;
} else {
Debug( LDAP_DEBUG_CONFIG,
"Config: ** successfully added syncrepl \"%s\"\n",
BER_BVISNULL( &si->si_provideruri ) ?
"(null)" : si->si_provideruri.bv_val, 0, 0 );
if ( !si->si_schemachecking ) {
SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
}
be->be_syncinfo = si;
return 0;
}
}
static void
syncrepl_unparse( syncinfo_t *si, struct berval *bv )
{
struct berval bc;
char buf[BUFSIZ*2], *ptr;
int i;
bindconf_unparse( &si->si_bindconf, &bc );
ptr = buf;
ptr += sprintf( ptr, IDSTR "=%03ld " PROVIDERSTR "=%s",
si->si_rid, si->si_provideruri.bv_val );
if ( !BER_BVISNULL( &bc )) {
ptr = lutil_strcopy( ptr, bc.bv_val );
free( bc.bv_val );
}
if ( !BER_BVISEMPTY( &si->si_filterstr )) {
ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
*ptr++ = '"';
}
if ( !BER_BVISNULL( &si->si_base )) {
ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
ptr = lutil_strcopy( ptr, si->si_base.bv_val );
*ptr++ = '"';
}
for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
if ( si->si_scope == scopes[i].val ) {
ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
break;
}
}
if ( si->si_attrsonly ) {
ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR "=yes" );
}
if ( si->si_anfile ) {
ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:" );
ptr = lutil_strcopy( ptr, si->si_anfile );
} else if ( si->si_allattrs || si->si_allopattrs ||
( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) )) {
char *old;
ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
old = ptr;
ptr = anlist_unparse( si->si_anlist, ptr );
if ( si->si_allattrs ) {
if ( old != ptr ) *ptr++ = ',';
*ptr++ = '*';
}
if ( si->si_allopattrs ) {
if ( old != ptr ) *ptr++ = ',';
*ptr++ = '+';
}
*ptr++ = '"';
}
if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
ptr = anlist_unparse( si->si_exanlist, ptr );
}
ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
"refreshAndPersist" : "refreshOnly" );
if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
int dd, hh, mm, ss;
dd = si->si_interval;
ss = dd % 60;
dd /= 60;
mm = dd % 60;
dd /= 60;
hh = dd % 24;
dd /= 24;
ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
ptr += sprintf( ptr, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
} else if ( si->si_retryinterval ) {
int space=0;
ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
for (i=0; si->si_retryinterval[i]; i++) {
if ( space ) *ptr++ = ' ';
space = 1;
ptr += sprintf( ptr, "%ld ", (long) si->si_retryinterval[i] );
if ( si->si_retrynum_init[i] == -1 )
*ptr++ = '+';
else
ptr += sprintf( ptr, "%d", si->si_retrynum_init[i] );
}
*ptr++ = '"';
}
if ( si->si_slimit ) {
ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
ptr += sprintf( ptr, "%d", si->si_slimit );
}
if ( si->si_tlimit ) {
ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
ptr += sprintf( ptr, "%d", si->si_tlimit );
}
bc.bv_len = ptr - buf;
bc.bv_val = buf;
ber_dupbv( bv, &bc );
}
int
syncrepl_config(ConfigArgs *c) {
if (c->op == SLAP_CONFIG_EMIT) {
if ( c->be->be_syncinfo ) {
struct berval bv;
syncrepl_unparse( c->be->be_syncinfo, &bv );
ber_bvarray_add( &c->rvalue_vals, &bv );
return 0;
}
return 1;
} else if ( c->op == LDAP_MOD_DELETE ) {
struct re_s *re;
if ( c->be->be_syncinfo ) {
re = c->be->be_syncinfo->si_re;
if ( re ) {
if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
ldap_pvt_runqueue_stoptask( &slapd_rq, re );
ldap_pvt_runqueue_remove( &slapd_rq, re );
}
syncinfo_free( c->be->be_syncinfo );
c->be->be_syncinfo = NULL;
}
SLAP_DBFLAGS(c->be) &= ~(SLAP_DBFLAG_SHADOW|SLAP_DBFLAG_SYNC_SHADOW);
return 0;
}
if(SLAP_SHADOW(c->be)) {
Debug(LDAP_DEBUG_ANY, "%s: "
"syncrepl: database already shadowed.\n",
c->log, 0, 0);
return(1);
} else if(add_syncrepl(c->be, c->argv, c->argc)) {
return(1);
}
SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SYNC_SHADOW);
return(0);
}
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