/* search.c - DNS SRV backend search function */
/* $OpenLDAP$ */
/*
- * Copyright 2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <ac/time.h>
#include "slap.h"
-#include "back-dnssrv.h"
+#include "external.h"
int
dnssrv_back_search(
Backend *be,
Connection *conn,
Operation *op,
- const char *dn,
- const char *ndn,
+ struct berval *dn,
+ struct berval *ndn,
int scope,
int deref,
int size,
int time,
Filter *filter,
- const char *filterstr,
- char **attrs,
- int attrsonly
-)
+ struct berval *filterstr,
+ AttributeName *attrs,
+ int attrsonly )
{
- return dnssrv_back_request( be, conn, op, dn, ndn,
- scope, filter, attrs, attrsonly );
+ int i;
+ int rc;
+ char *domain = NULL;
+ char *hostlist = NULL;
+ char **hosts = NULL;
+ char *refdn;
+ struct berval nrefdn = { 0, NULL };
+ BerVarray urls = NULL;
+
+ assert( get_manageDSAit( op ) );
+
+ if( ldap_dn2domain( dn->bv_val, &domain ) || domain == NULL ) {
+ send_ldap_result( conn, op, LDAP_REFERRAL,
+ NULL, NULL, default_referral, NULL );
+ goto done;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "DNSSRV: dn=\"%s\" -> domain=\"%s\"\n",
+ dn->bv_len ? dn->bv_val : "", domain, 0 );
+
+ if( ( rc = ldap_domain2hostlist( domain, &hostlist ) ) ) {
+ Debug( LDAP_DEBUG_TRACE, "DNSSRV: domain2hostlist returned %d\n",
+ rc, 0, 0 );
+ send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
+ NULL, "no DNS SRV RR available for DN", NULL, NULL );
+ goto done;
+ }
+
+ hosts = ldap_str2charray( hostlist, " " );
+
+ if( hosts == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "DNSSRV: str2charrary error\n", 0, 0, 0 );
+ send_ldap_result( conn, op, LDAP_OTHER,
+ NULL, "problem processing DNS SRV records for DN", NULL, NULL );
+ goto done;
+ }
+
+ for( i=0; hosts[i] != NULL; i++) {
+ struct berval url;
+
+ url.bv_len = sizeof("ldap://")-1 + strlen(hosts[i]);
+ url.bv_val = ch_malloc( url.bv_len + 1 );
+
+ strcpy( url.bv_val, "ldap://" );
+ strcpy( &url.bv_val[sizeof("ldap://")-1], hosts[i] );
+
+ if( ber_bvarray_add( &urls, &url ) < 0 ) {
+ free( url.bv_val );
+ send_ldap_result( conn, op, LDAP_OTHER,
+ NULL, "problem processing DNS SRV records for DN",
+ NULL, NULL );
+ goto done;
+ }
+ }
+
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu DNSSRV p=%d dn=\"%s\" url=\"%s\"\n",
+ op->o_connid, op->o_opid, op->o_protocol,
+ dn->bv_len ? dn->bv_val : "", urls[0].bv_val );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "DNSSRV: ManageDSAit scope=%d dn=\"%s\" -> url=\"%s\"\n",
+ scope,
+ dn->bv_len ? dn->bv_val : "",
+ urls[0].bv_val );
+
+ rc = ldap_domain2dn(domain, &refdn);
+
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, LDAP_OTHER,
+ NULL, "DNS SRV problem processing manageDSAit control",
+ NULL, NULL );
+ goto done;
+
+ } else {
+ struct berval bv;
+ bv.bv_val = refdn;
+ bv.bv_len = strlen( refdn );
+
+ rc = dnNormalize2( NULL, &bv, &nrefdn );
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, LDAP_OTHER,
+ NULL, "DNS SRV problem processing manageDSAit control",
+ NULL, NULL );
+ goto done;
+ }
+ }
+
+ if( !dn_match( &nrefdn, ndn ) ) {
+ /* requested dn is subordinate */
+
+ Debug( LDAP_DEBUG_TRACE,
+ "DNSSRV: dn=\"%s\" subordindate to refdn=\"%s\"\n",
+ dn->bv_len ? dn->bv_val : "",
+ refdn == NULL ? "" : refdn,
+ NULL );
+
+ send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
+ refdn, NULL,
+ NULL, NULL );
+
+ } else if ( scope == LDAP_SCOPE_ONELEVEL ) {
+ send_ldap_result( conn, op, LDAP_SUCCESS,
+ NULL, NULL, NULL, NULL );
+
+ } else {
+ struct berval vals[2];
+ Entry *e = ch_calloc( 1, sizeof(Entry) );
+ AttributeDescription *ad_objectClass
+ = slap_schema.si_ad_objectClass;
+ AttributeDescription *ad_ref = slap_schema.si_ad_ref;
+ e->e_dn = strdup( dn->bv_val );
+ e->e_name.bv_len = dn->bv_len;
+ e->e_ndn = strdup( ndn->bv_val );
+ e->e_nname.bv_len = ndn->bv_len;
+
+ e->e_attrs = NULL;
+ e->e_private = NULL;
+
+ vals[1].bv_val = NULL;
+
+ vals[0].bv_val = "top";
+ vals[0].bv_len = sizeof("top")-1;
+ attr_merge( e, ad_objectClass, vals );
+
+ vals[0].bv_val = "referral";
+ vals[0].bv_len = sizeof("referral")-1;
+ attr_merge( e, ad_objectClass, vals );
+
+ vals[0].bv_val = "extensibleObject";
+ vals[0].bv_len = sizeof("extensibleObject")-1;
+ attr_merge( e, ad_objectClass, vals );
+
+ {
+ AttributeDescription *ad = NULL;
+ const char *text;
+
+ rc = slap_str2ad( "dc", &ad, &text );
+
+ if( rc == LDAP_SUCCESS ) {
+ char *p;
+ vals[0].bv_val = ch_strdup( domain );
+
+ p = strchr( vals[0].bv_val, '.' );
+
+ if( p == vals[0].bv_val ) {
+ vals[0].bv_val[1] = '\0';
+ } else if ( p != NULL ) {
+ *p = '\0';
+ }
+
+ vals[0].bv_len = strlen(vals[0].bv_val);
+ attr_merge( e, ad, vals );
+ }
+ }
+
+ {
+ AttributeDescription *ad = NULL;
+ const char *text;
+
+ rc = slap_str2ad( "associatedDomain", &ad, &text );
+
+ if( rc == LDAP_SUCCESS ) {
+ vals[0].bv_val = domain;
+ vals[0].bv_len = strlen(domain);
+ attr_merge( e, ad, vals );
+ }
+ }
+
+ attr_merge( e, ad_ref, urls );
+
+ rc = test_filter( be, conn, op, e, filter );
+
+ if( rc == LDAP_COMPARE_TRUE ) {
+ send_search_entry( be, conn, op,
+ e, attrs, attrsonly, NULL );
+ }
+
+ entry_free( e );
+
+ send_ldap_result( conn, op, LDAP_SUCCESS,
+ NULL, NULL, NULL, NULL );
+ }
+
+ if ( refdn ) free( refdn );
+ if ( nrefdn.bv_val ) free( nrefdn.bv_val );
+
+done:
+ if( domain != NULL ) ch_free( domain );
+ if( hostlist != NULL ) ch_free( hostlist );
+ if( hosts != NULL ) ldap_charray_free( hosts );
+ if( urls != NULL ) ber_bvarray_free( urls );
+ return 0;
}