/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1999-2005 The OpenLDAP Foundation.
+ * Copyright 1999-2006 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* Portions Copyright 1999-2003 Howard Chu.
* All rights reserved.
#include <stdio.h>
+#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
+#undef ldap_debug /* silence a warning in ldap-int.h */
+#include "../../../libraries/libldap/ldap-int.h"
-static LDAP_REBIND_PROC meta_back_rebind;
+#include "lutil_ldap.h"
static int
-meta_back_do_single_bind(
- struct metaconn *lc,
- Operation *op,
- SlapReply *rs,
- int candidate
-);
+meta_back_proxy_authz_bind(
+ metaconn_t *mc,
+ int candidate,
+ Operation *op,
+ SlapReply *rs,
+ ldap_back_send_t sendok );
+
+static int
+meta_back_single_bind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate );
int
meta_back_bind( Operation *op, SlapReply *rs )
{
- struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
- struct metaconn *lc;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metaconn_t *mc = NULL;
+
+ int rc = LDAP_OTHER,
+ i,
+ gotit = 0,
+ isroot = 0;
- int rc = -1, i, gotit = 0, ndnlen, isroot = 0;
- int op_type = META_OP_ALLOW_MULTIPLE;
+ SlapReply *candidates = meta_back_candidates_get( op );
rs->sr_err = LDAP_SUCCESS;
- Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s",
- op->o_req_dn.bv_val, "", "" );
+ Debug( LDAP_DEBUG_ARGS, "%s meta_back_bind: dn=\"%s\".\n",
+ op->o_log_prefix, op->o_req_dn.bv_val, 0 );
+
+ /* the test on the bind method should be superfluous */
+ if ( op->orb_method == LDAP_AUTH_SIMPLE
+ && be_isroot_dn( op->o_bd, &op->o_req_ndn ) )
+ {
+ if ( !be_isroot_pw( op ) ) {
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
+ rs->sr_text = NULL;
+ send_ldap_result( op, rs );
+ return rs->sr_err;
+ }
+
+ if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) {
+ rs->sr_err = LDAP_SUCCESS;
+ rs->sr_text = NULL;
+ /* frontend will return success */
+ return rs->sr_err;
+ }
- if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
isroot = 1;
- ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
- op_type = META_OP_REQUIRE_ALL;
}
- lc = meta_back_getconn( op, rs, op_type,
- &op->o_req_ndn, NULL );
- if ( !lc ) {
- Debug( LDAP_DEBUG_ANY,
- "meta_back_bind: no target for dn %s.\n%s%s",
- op->o_req_dn.bv_val, "", "");
+ /* we need meta_back_getconn() not send result even on error,
+ * because we want to intercept the error and make it
+ * invalidCredentials */
+ mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_BIND_DONTSEND );
+ if ( !mc ) {
+ if ( LogTest( LDAP_DEBUG_ANY ) ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "meta_back_bind: no target "
+ "for dn \"%s\" (%d%s%s).",
+ op->o_req_dn.bv_val, rs->sr_err,
+ rs->sr_text ? ". " : "",
+ rs->sr_text ? rs->sr_text : "" );
+ Debug( LDAP_DEBUG_ANY,
+ "%s %s\n",
+ op->o_log_prefix, buf, 0 );
+ }
+
+ /* FIXME: there might be cases where we don't want
+ * to map the error onto invalidCredentials */
+ switch ( rs->sr_err ) {
+ case LDAP_NO_SUCH_OBJECT:
+ case LDAP_UNWILLING_TO_PERFORM:
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
+ rs->sr_text = NULL;
+ break;
+ }
send_ldap_result( op, rs );
- return -1;
+ return rs->sr_err;
}
/*
* Each target is scanned ...
*/
- lc->bound_target = META_BOUND_NONE;
- ndnlen = op->o_req_ndn.bv_len;
- for ( i = 0; i < li->ntargets; i++ ) {
+ mc->mc_authz_target = META_BOUND_NONE;
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metatarget_t *mt = mi->mi_targets[ i ];
int lerr;
- struct berval orig_dn = op->o_req_dn;
- struct berval orig_ndn = op->o_req_ndn;
- struct berval orig_cred = op->oq_bind.rb_cred;
- int orig_method = op->oq_bind.rb_method;
-
/*
* Skip non-candidates
*/
- if ( lc->conns[ i ].candidate != META_CANDIDATE ) {
+ if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
continue;
}
if ( gotit == 0 ) {
+ /* set rc to LDAP_SUCCESS only if at least
+ * one candidate has been tried */
+ rc = LDAP_SUCCESS;
gotit = 1;
- } else {
+
+ } else if ( isroot == 0 ) {
/*
* A bind operation is expected to have
* ONE CANDIDATE ONLY!
*/
Debug( LDAP_DEBUG_ANY,
- "==>meta_back_bind: more than one"
- " candidate is attempting to bind"
- " ...\n%s%s%s",
- "", "", "" );
+ "### %s meta_back_bind: more than one"
+ " candidate selected...\n",
+ op->o_log_prefix, 0, 0 );
}
- if ( isroot && li->targets[ i ]->pseudorootdn.bv_val != NULL ) {
- op->o_req_dn = li->targets[ i ]->pseudorootdn;
- op->o_req_ndn = li->targets[ i ]->pseudorootdn;
- op->oq_bind.rb_cred = li->targets[ i ]->pseudorootpw;
- op->oq_bind.rb_method = LDAP_AUTH_SIMPLE;
+ if ( isroot ) {
+ if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE
+ || BER_BVISNULL( &mt->mt_idassert_authcDN ) )
+ {
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+
+ /* skip the target if no pseudorootdn is provided */
+ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
+ ch_free( msc->msc_bound_ndn.bv_val );
+ BER_BVZERO( &msc->msc_bound_ndn );
+ }
+
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ /* destroy sensitive data */
+ memset( msc->msc_cred.bv_val, 0,
+ msc->msc_cred.bv_len );
+ ch_free( msc->msc_cred.bv_val );
+ BER_BVZERO( &msc->msc_cred );
+ }
+
+ continue;
+ }
+
+
+ (void)meta_back_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND );
+ lerr = rs->sr_err;
+
+ } else {
+ lerr = meta_back_single_bind( op, rs, mc, i );
}
-
- lerr = meta_back_do_single_bind( lc, op, rs, i );
+
if ( lerr != LDAP_SUCCESS ) {
- rs->sr_err = lerr;
- ( void )meta_clear_one_candidate( &lc->conns[ i ], 1 );
- } else {
- rc = LDAP_SUCCESS;
+ rc = rs->sr_err = lerr;
+ /* FIXME: in some cases (e.g. unavailable)
+ * do not assume it's not candidate; rather
+ * mark this as an error to be eventually
+ * reported to client */
+ META_CANDIDATE_CLEAR( &candidates[ i ] );
+ break;
+ }
+ }
+
+ /* must re-insert if local DN changed as result of bind */
+ if ( rc == LDAP_SUCCESS ) {
+ if ( isroot ) {
+ mc->mc_authz_target = META_BOUND_ALL;
+ ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
}
- op->o_req_dn = orig_dn;
- op->o_req_ndn = orig_ndn;
- op->oq_bind.rb_cred = orig_cred;
- op->oq_bind.rb_method = orig_method;
+ if ( !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) ) {
+ metaconn_t *tmpmc;
+ int lerr;
+
+ /* wait for all other ops to release the connection */
+retry_lock:;
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ if ( mc->mc_refcnt > 1 ) {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ ldap_pvt_thread_yield();
+ goto retry_lock;
+ }
+
+ assert( mc->mc_refcnt == 1 );
+#if META_BACK_PRINT_CONNTREE > 0
+ meta_back_print_conntree( mi, ">>> meta_back_bind" );
+#endif /* META_BACK_PRINT_CONNTREE */
+ tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
+ meta_back_conndn_cmp );
+ assert( tmpmc == mc );
+
+ /* delete all cached connections with the current connection */
+ if ( LDAP_BACK_SINGLECONN( mi ) ) {
+ while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL )
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "=>meta_back_bind: destroying conn %ld (refcnt=%u)\n",
+ LDAP_BACK_PCONN_ID( mc ), mc->mc_refcnt, 0 );
+
+ if ( tmpmc->mc_refcnt != 0 ) {
+ /* taint it */
+ LDAP_BACK_CONN_TAINTED_SET( tmpmc );
+
+ } else {
+ /*
+ * Needs a test because the handler may be corrupted,
+ * and calling ldap_unbind on a corrupted header results
+ * in a segmentation fault
+ */
+ meta_back_conn_free( tmpmc );
+ }
+ }
+ }
+
+ ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
+ if ( isroot ) {
+ LDAP_BACK_CONN_ISPRIV_SET( mc );
+ LDAP_BACK_PCONN_SET( mc, op );
+ }
+ lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
+ meta_back_conndn_cmp, meta_back_conndn_dup );
+#if META_BACK_PRINT_CONNTREE > 0
+ meta_back_print_conntree( mi, "<<< meta_back_bind" );
+#endif /* META_BACK_PRINT_CONNTREE */
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ if ( lerr == -1 ) {
+ /* we can do this because mc_refcnt == 1 */
+ assert( mc->mc_refcnt == 1 );
+ mc->mc_refcnt = 0;
+ meta_back_conn_free( mc );
+ mc = NULL;
+ }
+ }
}
- if ( isroot ) {
- lc->bound_target = META_BOUND_ALL;
+ if ( mc != NULL ) {
+ meta_back_release_conn( op, mc );
}
/*
* rc is LDAP_SUCCESS if at least one bind succeeded,
* err is the last error that occurred during a bind;
- * if at least (and at most?) one bind succeedes, fine.
+ * if at least (and at most?) one bind succeeds, fine.
*/
- if ( rc != LDAP_SUCCESS /* && rs->sr_err != LDAP_SUCCESS */ ) {
+ if ( rc != LDAP_SUCCESS ) {
/*
* deal with bind failure ...
*/
if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
rs->sr_err = LDAP_INVALID_CREDENTIALS;
+ } else {
+ rs->sr_err = slap_map_api2result( rs );
}
-
- rs->sr_err = slap_map_api2result( rs );
send_ldap_result( op, rs );
- return -1;
+ return rs->sr_err;
+
+ }
+
+ return LDAP_SUCCESS;
+}
+
+static int
+meta_back_bind_op_result(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate,
+ int msgid,
+ ldap_back_send_t sendok )
+{
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ LDAPMessage *res;
+ struct timeval tv;
+ int rc;
+ int nretries = mt->mt_nretries;
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ Debug( LDAP_DEBUG_TRACE,
+ ">>> %s meta_back_bind_op_result[%d]\n",
+ op->o_log_prefix, candidate, 0 );
+
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ time_t stoptime = (time_t)(-1),
+ timeout;
+ int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
+ LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
+ const char *timeout_text = "Operation timed out";
+ slap_op_t opidx = slap_req2op( op->o_tag );
+
+ /* since timeout is not specified, compute and use
+ * the one specific to the ongoing operation */
+ if ( opidx == LDAP_REQ_SEARCH ) {
+ if ( op->ors_tlimit <= 0 ) {
+ timeout = 0;
+
+ } else {
+ timeout = op->ors_tlimit;
+ timeout_err = LDAP_TIMELIMIT_EXCEEDED;
+ timeout_text = NULL;
+ }
+
+ } else {
+ timeout = mt->mt_timeout[ opidx ];
+ }
+
+ /* better than nothing :) */
+ if ( timeout == 0 ) {
+ if ( mi->mi_idle_timeout ) {
+ timeout = mi->mi_idle_timeout;
+
+ } else if ( mi->mi_conn_ttl ) {
+ timeout = mi->mi_conn_ttl;
+ }
+ }
+
+ if ( timeout ) {
+ stoptime = op->o_time + timeout;
+ }
+
+ LDAP_BACK_TV_SET( &tv );
+
+ /*
+ * handle response!!!
+ */
+retry:;
+ rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
+ switch ( rc ) {
+ case 0:
+#if 0
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_bind_op_result[%d]: ldap_result=0 nretries=%d.\n",
+ op->o_log_prefix, candidate, nretries );
+#endif
+
+ if ( nretries != META_RETRY_NEVER
+ || ( timeout && slap_get_time() <= stoptime ) )
+ {
+ ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ tv = mt->mt_bind_timeout;
+ goto retry;
+ }
+
+ /* don't let anyone else use this handler,
+ * because there's a pending bind that will not
+ * be acknowledged */
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ assert( LDAP_BACK_CONN_BINDING( msc ) );
+
+#ifdef DEBUG_205
+ Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind_op_result ldap_unbind_ext[%d] ld=%p\n",
+ op->o_log_prefix, candidate, (void *)msc->msc_ld );
+#endif /* DEBUG_205 */
+
+ meta_clear_one_candidate( op, mc, candidate );
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+
+ rs->sr_err = timeout_err;
+ rs->sr_text = timeout_text;
+ break;
+
+ case -1:
+ ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
+ &rs->sr_err );
+
+ snprintf( buf, sizeof( buf ),
+ "err=%d (%s) nretries=%d",
+ rs->sr_err, ldap_err2string( rs->sr_err ), nretries );
+ Debug( LDAP_DEBUG_ANY,
+ "### %s meta_back_bind_op_result[%d]: %s.\n",
+ op->o_log_prefix, candidate, buf );
+ break;
+
+ default:
+ /* only touch when activity actually took place... */
+ if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
+ msc->msc_time = op->o_time;
+ }
+
+ /* FIXME: matched? referrals? response controls? */
+ rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
+ NULL, NULL, NULL, NULL, 1 );
+ if ( rc != LDAP_SUCCESS ) {
+ rs->sr_err = rc;
+ }
+ break;
+ }
}
- return 0;
+ rs->sr_err = slap_map_api2result( rs );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "<<< %s meta_back_bind_op_result[%d] err=%d\n",
+ op->o_log_prefix, candidate, rs->sr_err );
+
+ return rs->sr_err;
}
/*
- * meta_back_do_single_bind
+ * meta_back_single_bind
*
* attempts to perform a bind with creds
*/
static int
-meta_back_do_single_bind(
- struct metaconn *lc,
- Operation *op,
- SlapReply *rs,
- int candidate
-)
+meta_back_single_bind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate )
{
- struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
- struct berval mdn = BER_BVNULL;
- ber_int_t msgid;
- dncookie dc;
- struct metasingleconn *lsc = &lc->conns[ candidate ];
- LDAPMessage *res;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ struct berval mdn = BER_BVNULL;
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ int msgid;
+ dncookie dc;
+ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
+ ch_free( msc->msc_bound_ndn.bv_val );
+ BER_BVZERO( &msc->msc_bound_ndn );
+ }
+
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ /* destroy sensitive data */
+ memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
+ ch_free( msc->msc_cred.bv_val );
+ BER_BVZERO( &msc->msc_cred );
+ }
+
/*
* Rewrite the bind dn if needed
*/
- dc.rwmap = &li->targets[ candidate ]->rwmap;
+ dc.target = mt;
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "bindDN";
if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
- send_ldap_result( op, rs );
- return -1;
- }
-
- if ( op->o_ctrls ) {
- rs->sr_err = ldap_set_option( lsc->ld,
- LDAP_OPT_SERVER_CONTROLS, op->o_ctrls );
- if ( rs->sr_err != LDAP_SUCCESS ) {
- rs->sr_err = slap_map_api2result( rs );
- goto return_results;
- }
+ rs->sr_text = "DN rewrite error";
+ rs->sr_err = LDAP_OTHER;
+ return rs->sr_err;
}
/* FIXME: this fixes the bind problem right now; we need
* to use the asynchronous version to get the "matched"
* and more in case of failure ... */
- rs->sr_err = ldap_sasl_bind_s(lsc->ld, mdn.bv_val,
- LDAP_SASL_SIMPLE, &op->oq_bind.rb_cred,
- op->o_ctrls, NULL, NULL);
+ /* FIXME: should we check if at least some of the op->o_ctrls
+ * can/should be passed? */
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
+ LDAP_SASL_SIMPLE, &op->orb_cred,
+ op->o_ctrls, NULL, &msgid );
+ meta_back_bind_op_result( op, rs, mc, candidate, msgid, LDAP_BACK_DONTSEND );
if ( rs->sr_err != LDAP_SUCCESS ) {
- rs->sr_err = slap_map_api2result( rs );
goto return_results;
}
- /*
- * FIXME: handle response!!!
- */
- if ( lsc->bound_dn.bv_val != NULL ) {
- ber_memfree( lsc->bound_dn.bv_val );
+ /* If defined, proxyAuthz will be used also when
+ * back-ldap is the authorizing backend; for this
+ * purpose, a successful bind is followed by a
+ * bind with the configured identity assertion */
+ /* NOTE: use with care */
+ if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
+ meta_back_proxy_authz_bind( mc, candidate, op, rs, LDAP_BACK_SENDERR );
+ if ( !LDAP_BACK_CONN_ISBOUND( msc ) ) {
+ goto return_results;
+ }
+ goto cache_refresh;
}
- ber_dupbv( &lsc->bound_dn, &op->o_req_dn );
- lsc->bound = META_BOUND;
- lc->bound_target = candidate;
- if ( li->savecred ) {
- if ( lsc->cred.bv_val ) {
- memset( lsc->cred.bv_val, 0, lsc->cred.bv_len );
- ber_memfree( lsc->cred.bv_val );
+ ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_ndn );
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ mc->mc_authz_target = candidate;
+
+ if ( LDAP_BACK_SAVECRED( mi ) ) {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ memset( msc->msc_cred.bv_val, 0,
+ msc->msc_cred.bv_len );
}
- ber_dupbv( &lsc->cred, &op->oq_bind.rb_cred );
- ldap_set_rebind_proc( lsc->ld, meta_back_rebind, lsc );
+ ber_bvreplace( &msc->msc_cred, &op->orb_cred );
+ ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
}
- if ( li->cache.ttl != META_DNCACHE_DISABLED
- && op->o_req_ndn.bv_len != 0 ) {
- ( void )meta_dncache_update_entry( &li->cache,
+cache_refresh:;
+ if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
+ && !BER_BVISEMPTY( &op->o_req_ndn ) )
+ {
+ ( void )meta_dncache_update_entry( &mi->mi_cache,
&op->o_req_ndn, candidate );
}
return_results:;
-
if ( mdn.bv_val != op->o_req_dn.bv_val ) {
free( mdn.bv_val );
}
+ if ( META_BACK_TGT_QUARANTINE( mt ) ) {
+ meta_back_quarantine( op, rs, candidate );
+ }
+
return rs->sr_err;
}
+/*
+ * meta_back_single_dobind
+ */
+int
+meta_back_single_dobind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t **mcp,
+ int candidate,
+ ldap_back_send_t sendok,
+ int nretries,
+ int dolock )
+{
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metaconn_t *mc = *mcp;
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ int rc;
+ static struct berval cred = BER_BVC( "" );
+ int msgid;
+
+ assert( !LDAP_BACK_CONN_ISBOUND( msc ) );
+
+ /* NOTE: this obsoletes pseudorootdn */
+ if ( op->o_conn != NULL &&
+ !op->o_do_not_cache &&
+ ( BER_BVISNULL( &msc->msc_bound_ndn ) ||
+ BER_BVISEMPTY( &msc->msc_bound_ndn ) ||
+ ( LDAP_BACK_CONN_ISPRIV( mc ) && dn_match( &msc->msc_bound_ndn, &mt->mt_idassert_authcDN ) ) ||
+ ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) )
+ {
+ (void)meta_back_proxy_authz_bind( mc, candidate, op, rs, sendok );
+ rc = rs->sr_err;
+ goto done;
+ }
+
+ /* FIXME: should we check if at least some of the op->o_ctrls
+ * can/should be passed? */
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld, "", LDAP_SASL_SIMPLE, &cred,
+ NULL, NULL, &msgid );
+ rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
+
+done:;
+ rs->sr_err = rc;
+ if ( rc != LDAP_SUCCESS ) {
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ }
+ LDAP_BACK_CONN_BINDING_CLEAR( msc );
+ if ( META_BACK_ONERR_STOP( mi ) ) {
+ LDAP_BACK_CONN_TAINTED_SET( mc );
+ meta_back_release_conn_lock( op, mc, 0 );
+ *mcp = NULL;
+ }
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ }
+
+ if ( META_BACK_ONERR_STOP( mi ) && ( sendok & LDAP_BACK_SENDERR ) ) {
+ send_ldap_result( op, rs );
+ }
+ }
+
+ if ( META_BACK_TGT_QUARANTINE( mt ) ) {
+ meta_back_quarantine( op, rs, candidate );
+ }
+
+ return rc;
+}
+
/*
* meta_back_dobind
*/
int
-meta_back_dobind( struct metaconn *lc, Operation *op )
+meta_back_dobind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ ldap_back_send_t sendok )
{
- struct metasingleconn *lsc;
- int bound = 0, i;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+
+ int bound = 0,
+ i,
+ isroot = 0;
+
+ SlapReply *candidates = meta_back_candidates_get( op );
+
+ if ( be_isroot( op ) ) {
+ isroot = 1;
+ }
+
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%ld%s\n",
+ op->o_log_prefix,
+ LDAP_BACK_PCONN_ID( mc ),
+ isroot ? " (isroot)" : "" );
/*
* all the targets are bound as pseudoroot
*/
- if ( lc->bound_target == META_BOUND_ALL ) {
- return 1;
+ if ( mc->mc_authz_target == META_BOUND_ALL ) {
+ bound = 1;
+ goto done;
}
- for ( i = 0, lsc = lc->conns; !META_LAST(lsc); ++i, ++lsc ) {
- int rc;
- struct berval cred = BER_BVC("");
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metatarget_t *mt = mi->mi_targets[ i ];
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+ int rc;
/*
- * Not a candidate or something wrong with this target ...
+ * Not a candidate
*/
- if ( lsc->ld == NULL ) {
+ if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
continue;
}
- /*
- * If required, set controls
- */
- if ( op->o_ctrls ) {
- if ( ldap_set_option( lsc->ld, LDAP_OPT_SERVER_CONTROLS,
- op->o_ctrls ) != LDAP_SUCCESS ) {
- ( void )meta_clear_one_candidate( lsc, 1 );
- continue;
- }
- }
-
+ assert( msc->msc_ld != NULL );
+
/*
* If the target is already bound it is skipped
*/
- if ( lsc->bound == META_BOUND && lc->bound_target == i ) {
+
+retry_binding:;
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ if ( LDAP_BACK_CONN_ISBOUND( msc )
+ || ( LDAP_BACK_CONN_ISANON( msc )
+ && mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
+ {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
++bound;
continue;
+
+ } else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) )
+ {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ ldap_pvt_thread_yield();
+ goto retry_binding;
+
}
+ LDAP_BACK_CONN_BINDING_SET( msc );
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+
+ rc = meta_back_single_dobind( op, rs, &mc, i,
+ LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
/*
- * Otherwise an anonymous bind is performed
- * (note: if the target was already bound, the anonymous
- * bind clears the previous bind).
+ * NOTE: meta_back_single_dobind() already retries;
+ * in case of failure, it resets mc...
*/
- if ( lsc->bound_dn.bv_val ) {
- ber_memfree( lsc->bound_dn.bv_val );
- lsc->bound_dn.bv_val = NULL;
- lsc->bound_dn.bv_len = 0;
- }
-
- if ( /* FIXME: need li ... li->savecred && */
- lsc->cred.bv_val ) {
- memset( lsc->cred.bv_val, 0, lsc->cred.bv_len );
- ber_memfree( lsc->cred.bv_val );
- lsc->cred.bv_val = NULL;
- lsc->cred.bv_len = 0;
- }
-
- rc = ldap_sasl_bind_s(lsc->ld, "", LDAP_SASL_SIMPLE, &cred,
- op->o_ctrls, NULL, NULL);
if ( rc != LDAP_SUCCESS ) {
-
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ if ( mc == NULL ) {
+ /* meta_back_single_dobind() already sent
+ * response and released connection */
+ goto send_err;
+ }
+
+
+ if ( rc == LDAP_UNAVAILABLE ) {
+ /* FIXME: meta_back_retry() already re-calls
+ * meta_back_single_dobind() */
+ if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
+ goto retry_ok;
+ }
+
+ if ( mc != NULL ) {
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ LDAP_BACK_CONN_BINDING_CLEAR( msc );
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ meta_back_release_conn( op, mc );
+ }
+
+ return 0;
+ }
+
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ LDAP_BACK_CONN_BINDING_CLEAR( msc );
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+
+ snprintf( buf, sizeof( buf ),
+ "meta_back_dobind[%d]: (%s) err=%d (%s).",
+ i, isroot ? op->o_bd->be_rootdn.bv_val : "anonymous",
+ rc, ldap_err2string( rc ) );
Debug( LDAP_DEBUG_ANY,
- "==>meta_back_dobind: (anonymous)"
- " bind failed"
- " with error %d (%s)\n",
- rc, ldap_err2string( rc ), 0 );
+ "%s %s\n",
+ op->o_log_prefix, buf, 0 );
/*
* null cred bind should always succeed
* due to technical reasons (remote host down?)
* so better clear the handle
*/
- ( void )meta_clear_one_candidate( lsc, 1 );
+ /* leave the target candidate, but record the error for later use */
+ candidates[ i ].sr_err = rc;
+ if ( META_BACK_ONERR_STOP( mi ) ) {
+ bound = 0;
+ goto done;
+ }
+
continue;
} /* else */
-
- lsc->bound = META_ANONYMOUS;
+
+retry_ok:;
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind[%d]: "
+ "(%s)\n",
+ op->o_log_prefix, i,
+ isroot ? op->o_bd->be_rootdn.bv_val : "anonymous" );
+
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ LDAP_BACK_CONN_BINDING_CLEAR( msc );
+ if ( isroot ) {
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ } else {
+ LDAP_BACK_CONN_ISANON_SET( msc );
+ }
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
++bound;
}
- return( bound > 0 );
+done:;
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%ld bound=%d\n",
+ op->o_log_prefix, LDAP_BACK_PCONN_ID( mc ), bound );
+
+ if ( bound == 0 ) {
+ meta_back_release_conn( op, mc );
+
+send_err:;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ rs->sr_err = LDAP_BUSY;
+ }
+ send_ldap_result( op, rs );
+ }
+
+ return 0;
+ }
+
+ return ( bound > 0 );
}
/*
+ * meta_back_default_rebind
*
+ * This is a callback used for chasing referrals using the same
+ * credentials as the original user on this session.
*/
-int
-meta_back_is_valid( struct metaconn *lc, int candidate )
+int
+meta_back_default_rebind(
+ LDAP *ld,
+ LDAP_CONST char *url,
+ ber_tag_t request,
+ ber_int_t msgid,
+ void *params )
{
- struct metasingleconn *lsc;
- int i;
+ metasingleconn_t *msc = ( metasingleconn_t * )params;
- assert( lc );
+ return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
+ LDAP_SASL_SIMPLE, &msc->msc_cred,
+ NULL, NULL, NULL );
+}
- if ( candidate < 0 ) {
- return 0;
+/*
+ * meta_back_default_urllist
+ *
+ * This is a callback used for mucking with the urllist
+ */
+int
+meta_back_default_urllist(
+ LDAP *ld,
+ LDAPURLDesc **urllist,
+ LDAPURLDesc **url,
+ void *params )
+{
+ metatarget_t *mt = (metatarget_t *)params;
+ LDAPURLDesc **urltail;
+
+ if ( urllist == url ) {
+ return LDAP_SUCCESS;
}
- for ( i = 0, lsc = lc->conns; !META_LAST(lsc) && i < candidate;
- ++i, ++lsc );
-
- if ( !META_LAST(lsc) ) {
- return( lsc->ld != NULL );
+ for ( urltail = &(*url)->lud_next; *urltail; urltail = &(*urltail)->lud_next )
+ /* count */ ;
+
+ *urltail = *urllist;
+ *urllist = *url;
+ *url = NULL;
+
+ ldap_pvt_thread_mutex_lock( &mt->mt_uri_mutex );
+ if ( mt->mt_uri ) {
+ ch_free( mt->mt_uri );
}
- return 0;
+ ldap_get_option( ld, LDAP_OPT_URI, (void *)&mt->mt_uri );
+ ldap_pvt_thread_mutex_unlock( &mt->mt_uri_mutex );
+
+ return LDAP_SUCCESS;
}
-/*
- * meta_back_rebind
- *
- * This is a callback used for chasing referrals using the same
- * credentials as the original user on this session.
- */
-static int
-meta_back_rebind( LDAP *ld, LDAP_CONST char *url, ber_tag_t request,
- ber_int_t msgid, void *params )
+int
+meta_back_cancel(
+ metaconn_t *mc,
+ Operation *op,
+ SlapReply *rs,
+ ber_int_t msgid,
+ int candidate,
+ ldap_back_send_t sendok )
{
- struct metasingleconn *lc = params;
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
- return ldap_bind_s( ld, lc->bound_dn.bv_val, lc->cred.bv_val,
- LDAP_AUTH_SIMPLE );
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+
+ int rc = LDAP_OTHER;
+
+ Debug( LDAP_DEBUG_TRACE, ">>> %s meta_back_cancel[%d] msgid=%d\n",
+ op->o_log_prefix, candidate, msgid );
+
+ /* default behavior */
+ if ( META_BACK_TGT_ABANDON( mt ) ) {
+ rc = ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+
+ } else if ( META_BACK_TGT_IGNORE( mt ) ) {
+ rc = ldap_pvt_discard( msc->msc_ld, msgid );
+
+ } else if ( META_BACK_TGT_CANCEL( mt ) ) {
+ rc = ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
+
+ } else {
+ assert( 0 );
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "<<< %s meta_back_cancel[%d] err=%d\n",
+ op->o_log_prefix, candidate, rc );
+
+ return rc;
}
+
+
/*
* FIXME: error return must be handled in a cleaner way ...
*/
int
-meta_back_op_result( struct metaconn *lc, Operation *op, SlapReply *rs )
+meta_back_op_result(
+ metaconn_t *mc,
+ Operation *op,
+ SlapReply *rs,
+ int candidate,
+ ber_int_t msgid,
+ time_t timeout,
+ ldap_back_send_t sendok )
{
- int i, rerr = LDAP_SUCCESS;
- struct metasingleconn *lsc;
- char *rmsg = NULL;
- char *rmatch = NULL;
- int free_rmsg = 0, free_rmatch = 0;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
- for ( i = 0, lsc = lc->conns; !META_LAST(lsc); ++i, ++lsc ) {
- char *msg = NULL;
- char *match = NULL;
+ const char *save_text = rs->sr_text,
+ *save_matched = rs->sr_matched;
+ BerVarray save_ref = rs->sr_ref;
+ LDAPControl **save_ctrls = rs->sr_ctrls;
+ void *matched_ctx = NULL;
- rs->sr_err = LDAP_SUCCESS;
+ char *matched = NULL;
+ char *text = NULL;
+ char **refs = NULL;
+ LDAPControl **ctrls = NULL;
- ldap_get_option( lsc->ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
- if ( rs->sr_err != LDAP_SUCCESS ) {
- /*
- * better check the type of error. In some cases
- * (search ?) it might be better to return a
- * success if at least one of the targets gave
- * positive result ...
- */
- ldap_get_option( lsc->ld,
- LDAP_OPT_ERROR_STRING, &msg );
- ldap_get_option( lsc->ld,
- LDAP_OPT_MATCHED_DN, &match );
- rs->sr_err = slap_map_api2result( rs );
+ assert( mc != NULL );
- Debug(LDAP_DEBUG_ANY,
- "==> meta_back_op_result: target"
- " <%d> sending msg \"%s\""
- " (matched \"%s\")\n",
- i, ( msg ? msg : "" ),
- ( match ? match : "" ) );
+ rs->sr_text = NULL;
+ rs->sr_matched = NULL;
+ rs->sr_ref = NULL;
+ rs->sr_ctrls = NULL;
- /*
- * FIXME: need to rewrite "match" (need rwinfo)
- */
- switch ( rs->sr_err ) {
- default:
- rerr = rs->sr_err;
- if ( rmsg ) {
- ber_memfree( rmsg );
+ if ( candidate != META_TARGET_NONE ) {
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+
+#define ERR_OK(err) ((err) == LDAP_SUCCESS || (err) == LDAP_COMPARE_FALSE || (err) == LDAP_COMPARE_TRUE)
+
+ if ( ERR_OK( rs->sr_err ) ) {
+ int rc;
+ struct timeval tv;
+ LDAPMessage *res = NULL;
+ time_t stoptime = (time_t)(-1);
+ int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
+ LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
+ const char *timeout_text = "Operation timed out";
+
+ /* if timeout is not specified, compute and use
+ * the one specific to the ongoing operation */
+ if ( timeout == (time_t)(-1) ) {
+ slap_op_t opidx = slap_req2op( op->o_tag );
+
+ if ( opidx == SLAP_OP_SEARCH ) {
+ if ( op->ors_tlimit <= 0 ) {
+ timeout = 0;
+
+ } else {
+ timeout = op->ors_tlimit;
+ timeout_err = LDAP_TIMELIMIT_EXCEEDED;
+ timeout_text = NULL;
+ }
+
+ } else {
+ timeout = mt->mt_timeout[ opidx ];
+ }
+ }
+
+ /* better than nothing :) */
+ if ( timeout == 0 ) {
+ if ( mi->mi_idle_timeout ) {
+ timeout = mi->mi_idle_timeout;
+
+ } else if ( mi->mi_conn_ttl ) {
+ timeout = mi->mi_conn_ttl;
}
- rmsg = msg;
- free_rmsg = 1;
- msg = NULL;
- if ( rmatch ) {
- ber_memfree( rmatch );
+ }
+
+ if ( timeout ) {
+ stoptime = op->o_time + timeout;
+ }
+
+ LDAP_BACK_TV_SET( &tv );
+
+retry:;
+ rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
+ switch ( rc ) {
+ case 0:
+ if ( timeout && slap_get_time() > stoptime ) {
+ (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
+ rs->sr_err = timeout_err;
+ rs->sr_text = timeout_text;
+ break;
}
- rmatch = match;
- free_rmatch = 1;
- match = NULL;
+
+ LDAP_BACK_TV_SET( &tv );
+ ldap_pvt_thread_yield();
+ goto retry;
+
+ case -1:
+ ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
+ &rs->sr_err );
break;
+
+
+ /* otherwise get the result; if it is not
+ * LDAP_SUCCESS, record it in the reply
+ * structure (this includes
+ * LDAP_COMPARE_{TRUE|FALSE}) */
+ default:
+ /* only touch when activity actually took place... */
+ if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
+ msc->msc_time = op->o_time;
+ }
+
+ rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
+ &matched, &text, &refs, &ctrls, 1 );
+ res = NULL;
+ rs->sr_text = text;
+ if ( rc != LDAP_SUCCESS ) {
+ rs->sr_err = rc;
+ }
+ if ( refs != NULL ) {
+ int i;
+
+ for ( i = 0; refs[ i ] != NULL; i++ )
+ /* count */ ;
+ rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
+ op->o_tmpmemctx );
+ for ( i = 0; refs[ i ] != NULL; i++ ) {
+ ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
+ }
+ BER_BVZERO( &rs->sr_ref[ i ] );
+ }
+ if ( ctrls != NULL ) {
+ rs->sr_ctrls = ctrls;
+ }
+ }
+
+ assert( res == NULL );
+ }
+
+ /* if the error in the reply structure is not
+ * LDAP_SUCCESS, try to map it from client
+ * to server error */
+ if ( !ERR_OK( rs->sr_err ) ) {
+ rs->sr_err = slap_map_api2result( rs );
+
+ /* internal ops ( op->o_conn == NULL )
+ * must not reply to client */
+ if ( op->o_conn && !op->o_do_not_cache && matched ) {
+
+ /* record the (massaged) matched
+ * DN into the reply structure */
+ rs->sr_matched = matched;
}
+ }
+
+ if ( META_BACK_TGT_QUARANTINE( mt ) ) {
+ meta_back_quarantine( op, rs, candidate );
+ }
+
+ } else {
+ int i,
+ err = rs->sr_err;
+
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+ char *xtext = NULL;
+ char *xmatched = NULL;
+
+ rs->sr_err = LDAP_SUCCESS;
+
+ ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE, &rs->sr_err );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ /*
+ * better check the type of error. In some cases
+ * (search ?) it might be better to return a
+ * success if at least one of the targets gave
+ * positive result ...
+ */
+ ldap_get_option( msc->msc_ld,
+ LDAP_OPT_DIAGNOSTIC_MESSAGE, &xtext );
+ if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
+ ldap_memfree( xtext );
+ xtext = NULL;
+ }
+
+ ldap_get_option( msc->msc_ld,
+ LDAP_OPT_MATCHED_DN, &xmatched );
+ if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
+ ldap_memfree( xmatched );
+ xmatched = NULL;
+ }
+
+ rs->sr_err = slap_map_api2result( rs );
+
+ if ( LogTest( LDAP_DEBUG_ANY ) ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "meta_back_op_result[%d] "
+ "err=%d text=\"%s\" matched=\"%s\"",
+ i, rs->sr_err,
+ ( xtext ? xtext : "" ),
+ ( xmatched ? xmatched : "" ) );
+ Debug( LDAP_DEBUG_ANY, "%s %s.\n",
+ op->o_log_prefix, buf, 0 );
+ }
+
+ /*
+ * FIXME: need to rewrite "match" (need rwinfo)
+ */
+ switch ( rs->sr_err ) {
+ default:
+ err = rs->sr_err;
+ if ( xtext != NULL ) {
+ if ( text ) {
+ ldap_memfree( text );
+ }
+ text = xtext;
+ xtext = NULL;
+ }
+ if ( xmatched != NULL ) {
+ if ( matched ) {
+ ldap_memfree( matched );
+ }
+ matched = xmatched;
+ xmatched = NULL;
+ }
+ break;
+ }
- /* better test the pointers before freeing? */
- if ( match ) {
- free( match );
+ if ( xtext ) {
+ ldap_memfree( xtext );
+ }
+
+ if ( xmatched ) {
+ ldap_memfree( xmatched );
+ }
}
- if ( msg ) {
- free( msg );
+
+ if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) {
+ meta_back_quarantine( op, rs, i );
}
}
+
+ if ( err != LDAP_SUCCESS ) {
+ rs->sr_err = err;
+ }
+ }
+
+ if ( matched != NULL ) {
+ struct berval dn, pdn;
+
+ ber_str2bv( matched, 0, 0, &dn );
+ if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
+ ldap_memfree( matched );
+ matched_ctx = op->o_tmpmemctx;
+ matched = pdn.bv_val;
+ }
+ rs->sr_matched = matched;
}
- rs->sr_err = rerr;
- rs->sr_text = rmsg;
- rs->sr_matched = rmatch;
- send_ldap_result( op, rs );
- if ( free_rmsg ) {
- ber_memfree( rmsg );
+ if ( op->o_conn &&
+ ( ( sendok & LDAP_BACK_SENDOK )
+ || ( ( sendok & LDAP_BACK_SENDERR ) && rs->sr_err != LDAP_SUCCESS ) ) )
+ {
+ send_ldap_result( op, rs );
}
- if ( free_rmatch ) {
- ber_memfree( rmatch );
+ if ( matched ) {
+ op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
}
- rs->sr_text = NULL;
- rs->sr_matched = NULL;
+ if ( text ) {
+ ldap_memfree( text );
+ }
+ if ( rs->sr_ref ) {
+ assert( refs != NULL );
+ ber_memvfree( (void **)refs );
+ op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
+ }
+ if ( ctrls ) {
+ assert( rs->sr_ctrls != NULL );
+ ldap_controls_free( ctrls );
+ }
+
+ rs->sr_text = save_text;
+ rs->sr_matched = save_matched;
+ rs->sr_ref = save_ref;
+ rs->sr_ctrls = save_ctrls;
- return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
+ return( ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
}
+/*
+ * meta_back_proxy_authz_cred()
+ *
+ * prepares credentials & method for meta_back_proxy_authz_bind();
+ * or, if method is SASL, performs the SASL bind directly.
+ */
+int
+meta_back_proxy_authz_cred(
+ metaconn_t *mc,
+ int candidate,
+ Operation *op,
+ SlapReply *rs,
+ ldap_back_send_t sendok,
+ struct berval *binddn,
+ struct berval *bindcred,
+ int *method )
+{
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ struct berval ndn;
+ int dobind = 0;
+
+ /* don't proxyAuthz if protocol is not LDAPv3 */
+ switch ( mt->mt_version ) {
+ case LDAP_VERSION3:
+ break;
+
+ case 0:
+ if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
+ break;
+ }
+ /* fall thru */
+
+ default:
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ goto done;
+ }
+
+ if ( op->o_tag == LDAP_REQ_BIND ) {
+ ndn = op->o_req_ndn;
+
+ } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
+ ndn = op->o_conn->c_ndn;
+
+ } else {
+ ndn = op->o_ndn;
+ }
+
+ /*
+ * FIXME: we need to let clients use proxyAuthz
+ * otherwise we cannot do symmetric pools of servers;
+ * we have to live with the fact that a user can
+ * authorize itself as any ID that is allowed
+ * by the authzTo directive of the "proxyauthzdn".
+ */
+ /*
+ * NOTE: current Proxy Authorization specification
+ * and implementation do not allow proxy authorization
+ * control to be provided with Bind requests
+ */
+ /*
+ * if no bind took place yet, but the connection is bound
+ * and the "proxyauthzdn" is set, then bind as
+ * "proxyauthzdn" and explicitly add the proxyAuthz
+ * control to every operation with the dn bound
+ * to the connection as control value.
+ */
+
+ /* bind as proxyauthzdn only if no idassert mode
+ * is requested, or if the client's identity
+ * is authorized */
+ switch ( mt->mt_idassert_mode ) {
+ case LDAP_BACK_IDASSERT_LEGACY:
+ if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
+ if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) && !BER_BVISEMPTY( &mt->mt_idassert_authcDN ) )
+ {
+ *binddn = mt->mt_idassert_authcDN;
+ *bindcred = mt->mt_idassert_passwd;
+ dobind = 1;
+ }
+ }
+ break;
+
+ default:
+ /* NOTE: rootdn can always idassert */
+ if ( BER_BVISNULL( &ndn ) && mt->mt_idassert_authz == NULL ) {
+ if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
+ rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+
+ } else {
+ rs->sr_err = LDAP_SUCCESS;
+ *binddn = slap_empty_bv;
+ *bindcred = slap_empty_bv;
+ break;
+ }
+
+ goto done;
+
+ } else if ( mt->mt_idassert_authz && !be_isroot( op ) ) {
+ struct berval authcDN;
+
+ if ( BER_BVISNULL( &ndn ) ) {
+ authcDN = slap_empty_bv;
+
+ } else {
+ authcDN = ndn;
+ }
+ rs->sr_err = slap_sasl_matches( op, mt->mt_idassert_authz,
+ &authcDN, &authcDN );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+
+ } else {
+ rs->sr_err = LDAP_SUCCESS;
+ *binddn = slap_empty_bv;
+ *bindcred = slap_empty_bv;
+ break;
+ }
+
+ goto done;
+ }
+ }
+
+ *binddn = mt->mt_idassert_authcDN;
+ *bindcred = mt->mt_idassert_passwd;
+ dobind = 1;
+ break;
+ }
+
+ if ( dobind && mt->mt_idassert_authmethod == LDAP_AUTH_SASL ) {
+#ifdef HAVE_CYRUS_SASL
+ void *defaults = NULL;
+ struct berval authzID = BER_BVNULL;
+ int freeauthz = 0;
+
+ /* if SASL supports native authz, prepare for it */
+ if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
+ ( mt->mt_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
+ {
+ switch ( mt->mt_idassert_mode ) {
+ case LDAP_BACK_IDASSERT_OTHERID:
+ case LDAP_BACK_IDASSERT_OTHERDN:
+ authzID = mt->mt_idassert_authzID;
+ break;
+
+ case LDAP_BACK_IDASSERT_ANONYMOUS:
+ BER_BVSTR( &authzID, "dn:" );
+ break;
+
+ case LDAP_BACK_IDASSERT_SELF:
+ if ( BER_BVISNULL( &ndn ) ) {
+ /* connection is not authc'd, so don't idassert */
+ BER_BVSTR( &authzID, "dn:" );
+ break;
+ }
+ authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
+ authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
+ AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
+ AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
+ ndn.bv_val, ndn.bv_len + 1 );
+ freeauthz = 1;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if ( mt->mt_idassert_secprops != NULL ) {
+ rs->sr_err = ldap_set_option( msc->msc_ld,
+ LDAP_OPT_X_SASL_SECPROPS,
+ (void *)mt->mt_idassert_secprops );
+
+ if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
+ rs->sr_err = LDAP_OTHER;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ goto done;
+ }
+ }
+
+ defaults = lutil_sasl_defaults( msc->msc_ld,
+ mt->mt_idassert_sasl_mech.bv_val,
+ mt->mt_idassert_sasl_realm.bv_val,
+ mt->mt_idassert_authcID.bv_val,
+ mt->mt_idassert_passwd.bv_val,
+ authzID.bv_val );
+
+ rs->sr_err = ldap_sasl_interactive_bind_s( msc->msc_ld, binddn->bv_val,
+ mt->mt_idassert_sasl_mech.bv_val, NULL, NULL,
+ LDAP_SASL_QUIET, lutil_sasl_interact,
+ defaults );
+
+ rs->sr_err = slap_map_api2result( rs );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+
+ } else {
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ }
+
+ lutil_sasl_freedefs( defaults );
+ if ( freeauthz ) {
+ slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
+ }
+
+ goto done;
+#endif /* HAVE_CYRUS_SASL */
+ }
+
+ *method = mt->mt_idassert_authmethod;
+ switch ( mt->mt_idassert_authmethod ) {
+ case LDAP_AUTH_NONE:
+ BER_BVSTR( binddn, "" );
+ BER_BVSTR( bindcred, "" );
+ /* fallthru */
+
+ case LDAP_AUTH_SIMPLE:
+ break;
+
+ default:
+ /* unsupported! */
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ break;
+ }
+
+done:;
+ return rs->sr_err;
+}
+
+static int
+meta_back_proxy_authz_bind( metaconn_t *mc, int candidate, Operation *op, SlapReply *rs, ldap_back_send_t sendok )
+{
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ struct berval binddn = BER_BVC( "" ),
+ cred = BER_BVC( "" );
+ int method = LDAP_AUTH_NONE,
+ rc;
+
+ rc = meta_back_proxy_authz_cred( mc, candidate, op, rs, sendok, &binddn, &cred, &method );
+ if ( rc == LDAP_SUCCESS && !LDAP_BACK_CONN_ISBOUND( msc ) ) {
+ int msgid;
+
+ switch ( method ) {
+ case LDAP_AUTH_NONE:
+ case LDAP_AUTH_SIMPLE:
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld,
+ binddn.bv_val, LDAP_SASL_SIMPLE,
+ &cred, NULL, NULL, &msgid );
+ rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
+ if ( rc == LDAP_SUCCESS ) {
+ /* set rebind stuff in case of successful proxyAuthz bind,
+ * so that referral chasing is attempted using the right
+ * identity */
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ ber_bvreplace( &msc->msc_bound_ndn, &binddn );
+
+ if ( LDAP_BACK_SAVECRED( mi ) ) {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ memset( msc->msc_cred.bv_val, 0,
+ msc->msc_cred.bv_len );
+ }
+ ber_bvreplace( &msc->msc_cred, &cred );
+ ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
+ }
+ }
+ break;
+
+ default:
+ assert( 0 );
+ break;
+ }
+ }
+
+ return LDAP_BACK_CONN_ISBOUND( msc );
+}
projects / openldap / blobdiff