-/*
- * Copyright 1998-2001 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- *
- * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- *
- * This work has been developed to fulfill the requirements
- * of SysNet s.n.c. <http:www.sys-net.it> and it has been donated
- * to the OpenLDAP Foundation in the hope that it may be useful
- * to the Open Source community, but WITHOUT ANY WARRANTY.
- *
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author and SysNet s.n.c. are not responsible for the consequences
- * of use of this software, no matter how awful, even if they arise from
- * flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the documentation.
- * SysNet s.n.c. cannot be responsible for the consequences of the
- * alterations.
- *
- * 4. This notice may not be removed or altered.
- *
- *
- * This software is based on the backend back-ldap, implemented
- * by Howard Chu <hyc@highlandsun.com>, and modified by Mark Valence
- * <kurash@sassafras.com>, Pierangelo Masarati <ando@sys-net.it> and other
- * contributors. The contribution of the original software to the present
- * implementation is acknowledged in this copyright statement.
- *
- * A special acknowledgement goes to Howard for the overall architecture
- * (and for borrowing large pieces of code), and to Mark, who implemented
- * from scratch the attribute/objectclass mapping.
- *
- * The original copyright statement follows.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
+ * Copyright 1999-2006 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2003 Pierangelo Masarati.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * All rights reserved.
*
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the
- * documentation.
- *
- * 4. This notice may not be removed or altered.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
*
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
*/
#include "portable.h"
#include <stdio.h>
+#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
-int
-meta_back_bind(
- Backend *be,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- int method,
- struct berval *cred,
- char **edn
-)
-{
- struct metainfo *li = ( struct metainfo * )be->be_private;
- struct metaconn *lc;
+static LDAP_REBIND_PROC meta_back_default_rebind;
- int rc = -1, i, gotit = 0, ndnlen, isroot = 0;
- int op_type = META_OP_ALLOW_MULTIPLE;
- int err = LDAP_SUCCESS;
+/*
+ * a module could register a replacement for this function
+ */
+LDAP_REBIND_PROC *meta_back_rebind_f = meta_back_default_rebind;
- char *realdn = (char *)dn;
- char *realndn = (char *)ndn;
- char *realcred = cred->bv_val;
- int realmethod = method;
+static int
+meta_back_single_bind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate,
+ int massage );
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
- "meta_back_bind: dn: %s.\n", dn ));
-#else /* !NEW_LOGGING */
- Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s", dn, "", "" );
-#endif /* !NEW_LOGGING */
+int
+meta_back_bind( Operation *op, SlapReply *rs )
+{
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metaconn_t *mc = NULL;
+
+ int rc = LDAP_OTHER,
+ i,
+ gotit = 0,
+ isroot = 0;
+
+ SlapReply *candidates = meta_back_candidates_get( op );
+
+ rs->sr_err = LDAP_SUCCESS;
+
+ 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;
+ }
- *edn = NULL;
+ 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 ( method == LDAP_AUTH_SIMPLE
- && be_isroot_pw( be, conn, ndn, cred ) ) {
isroot = 1;
- *edn = ch_strdup( be_root_dn( be ) );
- op_type = META_OP_REQUIRE_ALL;
}
- lc = meta_back_getconn( li, conn, op, op_type, ndn, NULL );
- if ( !lc ) {
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_NOTICE,
- "meta_back_bind: no target for dn %s.\n",
- dn ));
-#else /* !NEW_LOGGING */
+
+ /* 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_SERR );
+ if ( !mc ) {
+ 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,
- "meta_back_bind: no target for dn %s.\n%s%s",
- dn, "", "");
-#endif /* !NEW_LOGGING */
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
- NULL, NULL, NULL, NULL );
- return -1;
+ "%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 rs->sr_err;
}
/*
* Each target is scanned ...
*/
- lc->bound_target = META_BOUND_NONE;
- ndnlen = strlen( ndn );
- for ( i = 0; i < li->ntargets; i++ ) {
- int lerr;
+ mc->mc_authz_target = META_BOUND_NONE;
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ int lerr;
+ Operation op2 = *op;
+ int massage = 1;
/*
* Skip non-candidates
*/
- if ( lc->conns[ i ]->candidate != META_CANDIDATE ) {
+ if ( candidates[ i ].sr_tag != META_CANDIDATE ) {
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!
*/
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_WARNING,
- "==>meta_back_bind: more than one"
- " candidate is attempting to bind"
- " ...\n" ));
-#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ANY,
- "==>meta_back_bind: more than one"
- " candidate is attempting to bind"
- " ...\n%s%s%s",
- "", "", "" );
-#endif /* !NEW_LOGGING */
+ "### %s meta_back_bind: more than one"
+ " candidate selected...\n",
+ op->o_log_prefix, 0, 0 );
}
- if ( isroot && li->targets[ i ]->pseudorootdn != NULL ) {
- realdn = li->targets[ i ]->pseudorootdn;
- realndn = li->targets[ i ]->pseudorootdn;
- realcred = li->targets[ i ]->pseudorootpw;
- realmethod = LDAP_AUTH_SIMPLE;
+ if ( isroot ) {
+ if ( BER_BVISNULL( &mi->mi_targets[ i ].mt_pseudorootdn ) )
+ {
+ 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 ( LDAP_BACK_SAVECRED( mi ) &&
+ !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;
+ }
+
+ op2.o_req_dn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.o_req_ndn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.orb_cred = mi->mi_targets[ i ].mt_pseudorootpw;
+ op2.orb_method = LDAP_AUTH_SIMPLE;
+
+ massage = 0;
}
- lerr = meta_back_do_single_bind( li, lc,
- realdn, realndn, realcred, realmethod, i );
+ lerr = meta_back_single_bind( &op2, rs, mc, i, massage );
+
if ( lerr != LDAP_SUCCESS ) {
- err = lerr;
- ( void )meta_clear_one_candidate( lc->conns[ i ], 1 );
- } else {
- rc = LDAP_SUCCESS;
+ rc = rs->sr_err = lerr;
+ candidates[ i ].sr_tag = META_NOT_CANDIDATE;
+ break;
}
}
- if ( isroot ) {
- lc->bound_target = META_BOUND_ALL;
+ /* 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 ) );
+ }
+
+ if ( !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) ) {
+ 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 );
+ mc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
+ meta_back_conn_cmp );
+ assert( mc != NULL );
+
+ ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
+ lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
+ meta_back_conn_cmp, meta_back_conn_dup );
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ if ( lerr == -1 ) {
+ for ( i = 0; i < mi->mi_ntargets; ++i ) {
+ if ( mc->mc_conns[ i ].msc_ld != NULL ) {
+ meta_clear_one_candidate( &mc->mc_conns[ i ] );
+ }
+ }
+
+ /* we can do this because mc_refcnt == 1 */
+ mc->mc_refcnt = 0;
+ meta_back_conn_free( mc );
+ mc = NULL;
+ }
+ }
+ }
+
+ 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 /* && err != LDAP_SUCCESS */ ) {
+ if ( rc != LDAP_SUCCESS ) {
/*
* deal with bind failure ...
*/
- err = ldap_back_map_result( err );
- send_ldap_result( conn, op, err, NULL, NULL, NULL, NULL );
- return -1;
+
+ /*
+ * no target was found within the naming context,
+ * so bind must fail with invalid credentials
+ */
+ if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
+ } else {
+ rs->sr_err = slap_map_api2result( rs );
+ }
+ send_ldap_result( op, rs );
+ return rs->sr_err;
+
}
- return 0;
+ return LDAP_SUCCESS;
}
/*
- * meta_back_do_single_bind
+ * meta_back_single_bind
*
* attempts to perform a bind with creds
*/
-int
-meta_back_do_single_bind(
- struct metainfo *li,
- struct metaconn *lc,
- const char *dn,
- const char *ndn,
- const char *cred,
- int method,
- int candidate
-)
+static int
+meta_back_single_bind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate,
+ int massage )
{
- char *mdn = NULL;
- int rc;
+ 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,
+ rebinding = 0;
+
+ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
+ ch_free( msc->msc_bound_ndn.bv_val );
+ BER_BVZERO( &msc->msc_bound_ndn );
+ }
+
+ if ( LDAP_BACK_SAVECRED( mi ) && !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
*/
- switch ( rewrite_session( li->targets[ candidate ]->rwinfo,
- "bindDn", dn, lc->conn, &mdn ) ) {
- case REWRITE_REGEXEC_OK:
- if ( mdn == NULL ) {
- mdn = ( char * )dn;
+ if ( massage ) {
+ dncookie dc;
+
+ 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;
}
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
- "[rw] bindDn: \"%s\" -> \"%s\"\n", dn, mdn ));
-#else /* !NEW_LOGGING */
- Debug( LDAP_DEBUG_ARGS,
- "rw> bindDn: \"%s\" -> \"%s\"\n%s",
- dn, mdn, "" );
-#endif /* !NEW_LOGGING */
- break;
-
- case REWRITE_REGEXEC_UNWILLING:
- return LDAP_UNWILLING_TO_PERFORM;
- case REWRITE_REGEXEC_ERR:
- return LDAP_OPERATIONS_ERROR;
+ } else {
+ mdn = op->o_req_dn;
}
- rc = ldap_bind_s( lc->conns[ candidate ]->ld, mdn, cred, method );
- if ( rc != LDAP_SUCCESS ) {
- rc = ldap_back_map_result( rc );
- } else {
- lc->conns[ candidate ]->bound_dn = ch_strdup( dn );
- lc->conns[ candidate ]->bound = META_BOUND;
- lc->bound_target = candidate;
-
- if ( li->cache.ttl != META_DNCACHE_DISABLED
- && ndn[ 0 ] != '\0' ) {
- ( void )meta_dncache_update_entry( &li->cache,
- ch_strdup( ndn ), candidate );
+ /* 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 ... */
+ /* FIXME: should we check if at least some of the op->o_ctrls
+ * can/should be passed? */
+rebind:;
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
+ LDAP_SASL_SIMPLE, &op->orb_cred,
+ op->o_ctrls, NULL, &msgid );
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ LDAPMessage *res;
+ struct timeval tv;
+ int rc;
+ int nretries = mt->mt_nretries;
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ LDAP_BACK_TV_SET( &tv );
+
+ /*
+ * handle response!!!
+ */
+retry:;
+ switch ( ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res ) ) {
+ case 0:
+ snprintf( buf, sizeof( buf ),
+ "ldap_result=0 nretries=%d%s\n",
+ nretries, rebinding ? " rebinding" : "" );
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_single_bind[%d]: %s.\n",
+ op->o_log_prefix, candidate, buf );
+
+ if ( nretries != META_RETRY_NEVER ) {
+ ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ tv = mt->mt_bind_timeout;
+ goto retry;
+ }
+ rs->sr_err = LDAP_BUSY;
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ break;
+ }
+
+ /* FIXME: some times the request times out
+ * while the other party is not willing to
+ * send a response any more. Give it a second
+ * chance with a freshly bound connection */
+ rebinding = 1;
+ nretries = mt->mt_nretries;
+ /* fallthru */
+
+ case -1:
+ ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER,
+ &rs->sr_err );
+
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ }
+
+ snprintf( buf, sizeof( buf ),
+ "err=%d nretries=%d",
+ rs->sr_err, nretries );
+ Debug( LDAP_DEBUG_ANY,
+ "### %s meta_back_single_bind[%d]: %s.\n",
+ op->o_log_prefix, candidate, buf );
+
+ rc = slap_map_api2result( rs );
+ if ( rs->sr_err == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
+ rc = meta_back_retry( op, rs, mc, candidate, LDAP_BACK_DONTSEND );
+ if ( rc ) {
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ ldap_pvt_thread_yield();
+ goto rebind;
+ }
+ }
+ break;
+
+ default:
+ 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;
}
}
-
- if ( mdn != dn ) {
- free( mdn );
+
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ rs->sr_err = slap_map_api2result( rs );
+ goto return_results;
+ }
+
+ ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_dn );
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ mc->mc_authz_target = candidate;
+
+ if ( LDAP_BACK_SAVECRED( mi ) ) {
+ ber_bvreplace( &msc->msc_cred, &op->orb_cred );
+ ldap_set_rebind_proc( msc->msc_ld, meta_back_rebind_f, msc );
+ }
+
+ if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
+ && op->o_req_ndn.bv_len != 0 )
+ {
+ ( 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 );
+ }
+
+ return rs->sr_err;
+}
+
+/*
+ * meta_back_single_dobind
+ */
+int
+meta_back_single_dobind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ 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 ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ int rc;
+ static struct berval cred = BER_BVC( "" );
+ int msgid,
+ rebinding = 0,
+ save_nretries = nretries;
+
+ assert( !LDAP_BACK_CONN_ISBOUND( msc ) );
+
+ /*
+ * Otherwise an anonymous bind is performed
+ * (note: if the target was already bound, the anonymous
+ * bind clears the previous bind).
+ */
+ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
+ ber_memfree( msc->msc_bound_ndn.bv_val );
+ BER_BVZERO( &msc->msc_bound_ndn );
+ }
+
+ if ( LDAP_BACK_SAVECRED( mi ) && !BER_BVISNULL( &msc->msc_cred ) ) {
+ /* destroy sensitive data */
+ memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
+ ber_memfree( msc->msc_cred.bv_val );
+ BER_BVZERO( &msc->msc_cred );
+ }
+
+ /* FIXME: should we check if at least some of the op->o_ctrls
+ * can/should be passed? */
+rebind:;
+ rc = ldap_sasl_bind( msc->msc_ld, "", LDAP_SASL_SIMPLE, &cred,
+ NULL, NULL, &msgid );
+ if ( rc == LDAP_SUCCESS ) {
+ LDAPMessage *res;
+ struct timeval tv;
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ LDAP_BACK_TV_SET( &tv );
+
+ /*
+ * handle response!!!
+ */
+retry:;
+ switch ( ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res ) ) {
+ case 0:
+ snprintf( buf, sizeof( buf ),
+ "ldap_result=0 nretries=%d%s",
+ nretries, rebinding ? " rebinding" : "" );
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_single_dobind[%d]: %s.\n",
+ op->o_log_prefix, candidate, buf );
+
+ if ( nretries != META_RETRY_NEVER ) {
+ ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ tv = mt->mt_bind_timeout;
+ goto retry;
+ }
+
+ rc = LDAP_BUSY;
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ break;
+ }
+
+ /* FIXME: some times the request times out
+ * while the other party is not willing to
+ * send a response any more. Give it a second
+ * chance with a freshly bound connection */
+ rebinding = 1;
+ nretries = save_nretries;
+ /* fallthru */
+
+ case -1:
+ ldap_get_option( msc->msc_ld,
+ LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
+
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ }
+
+ snprintf( buf, sizeof( buf ),
+ "err=%d nretries=%d",
+ rs->sr_err, nretries );
+ Debug( LDAP_DEBUG_ANY,
+ "### %s meta_back_single_dobind[%d]: %s.\n",
+ op->o_log_prefix, candidate, buf );
+
+ rc = slap_map_api2result( rs );
+ if ( rc == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
+ /* NOTE: we do not use meta_back_retry() here
+ * to avoid circular loops; mc_mutex is set
+ * by the caller */
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ }
+
+ if ( mc->mc_refcnt == 1 ) {
+ meta_clear_one_candidate( msc );
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+
+ ( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
+
+ /* mc here must be the regular mc,
+ * reset and ready for init */
+ rc = meta_back_init_one_conn( op, rs,
+ mt, mc, candidate,
+ LDAP_BACK_CONN_ISPRIV( mc ),
+ LDAP_BACK_DONTSEND );
+
+ } else {
+ /* can't do anything about it */
+ rc = LDAP_UNAVAILABLE;
+ }
+
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ goto rebind;
+ }
+ }
+ break;
+
+ default:
+ rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
+ NULL, NULL, NULL, NULL, 1 );
+ if ( rc == LDAP_SUCCESS ) {
+ rc = slap_map_api2result( rs );
+ }
+ break;
+ }
+
+ } else {
+ rs->sr_err = rc;
+ rc = slap_map_api2result( rs );
+ }
+
+ rs->sr_err = rc;
+ if ( rc != LDAP_SUCCESS && ( sendok & LDAP_BACK_SENDERR ) ) {
+ send_ldap_result( op, rs );
}
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->mc_conn ),
+ isroot ? " (isroot)" : "" );
+
+ ldap_pvt_thread_mutex_lock( &mc->mc_mutex );
/*
* 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; lsc[ 0 ] != NULL; ++i, ++lsc ) {
- int rc;
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metatarget_t *mt = &mi->mi_targets[ i ];
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+ int rc;
+ char *rootdn = NULL;
/*
- * Not a candidate or something wrong with this target ...
+ * Not a candidate
*/
- if ( lsc[ 0 ]->ld == NULL ) {
+ if ( candidates[ i ].sr_tag != META_CANDIDATE ) {
continue;
}
+ assert( msc->msc_ld != NULL );
+
/*
* If the target is already bound it is skipped
*/
- if ( lsc[ 0 ]->bound == META_BOUND && lc->bound_target == i ) {
+ if ( LDAP_BACK_CONN_ISBOUND( msc ) || LDAP_BACK_CONN_ISANON( msc ) ) {
++bound;
continue;
}
- /*
- * Otherwise an anonymous bind is performed
- * (note: if the target was already bound, the anonymous
- * bind clears the previous bind).
- */
- rc = ldap_bind_s( lsc[ 0 ]->ld, lsc[ 0 ]->bound_dn,
- NULL, LDAP_AUTH_SIMPLE );
+ if ( isroot && !BER_BVISNULL( &mi->mi_targets[ i ].mt_pseudorootdn ) )
+ {
+ Operation op2 = *op;
+
+ op2.o_tag = LDAP_REQ_BIND;
+ op2.o_req_dn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.o_req_ndn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.orb_cred = mi->mi_targets[ i ].mt_pseudorootpw;
+ op2.orb_method = LDAP_AUTH_SIMPLE;
+
+ rootdn = mi->mi_targets[ i ].mt_pseudorootdn.bv_val;
+
+ rc = meta_back_single_bind( &op2, rs, mc, i, 0 );
+
+ } else {
+ rc = meta_back_single_dobind( op, rs, mc, i,
+ LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
+ }
+
if ( rc != LDAP_SUCCESS ) {
-
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_WARNING,
- "meta_back_dobind: (anonymous)"
- " bind as \"%s\" failed"
- " with error \"%s\"\n",
- lsc[ 0 ]->bound_dn,
- ldap_err2string( rc ) ));
-#else /* !NEW_LOGGING */
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "meta_back_dobind[%d]: (%s) err=%d.",
+ i, rootdn ? rootdn : "anonymous", rc );
Debug( LDAP_DEBUG_ANY,
- "==>meta_back_dobind: (anonymous)"
- " bind as \"%s\" failed"
- " with error \"%s\"\n%s",
- lsc[ 0 ]->bound_dn,
- ldap_err2string( rc ), "" );
-#endif /* !NEW_LOGGING */
+ "%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[ 0 ], 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[ 0 ]->bound = META_ANONYMOUS;
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind[%d]: "
+ "(%s)\n",
+ op->o_log_prefix, i,
+ rootdn ? rootdn : "anonymous" );
+
+ if ( rootdn ) {
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ } else {
+ LDAP_BACK_CONN_ISANON_SET( msc );
+ }
++bound;
}
+done:;
+ ldap_pvt_thread_mutex_unlock( &mc->mc_mutex );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%ld bound=%d\n",
+ op->o_log_prefix, LDAP_BACK_PCONN_ID( mc->mc_conn ), bound );
+
+ if ( bound == 0 ) {
+ meta_back_release_conn( op, mc );
+
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ rs->sr_err = LDAP_BUSY;
+ }
+ send_ldap_result( op, rs );
+ }
+ }
+
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.
+ */
+static int
+meta_back_default_rebind(
+ LDAP *ld,
+ LDAP_CONST char *url,
+ ber_tag_t request,
+ ber_int_t msgid,
+ void *params )
+{
+ metasingleconn_t *msc = ( metasingleconn_t * )params;
+
+ return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
+ LDAP_SASL_SIMPLE, &msc->msc_cred,
+ NULL, NULL, NULL );
+}
+
/*
* FIXME: error return must be handled in a cleaner way ...
*/
int
-meta_back_op_result( struct metaconn *lc, Operation *op )
+meta_back_op_result(
+ metaconn_t *mc,
+ Operation *op,
+ SlapReply *rs,
+ int candidate )
{
- int i, rerr = LDAP_SUCCESS;
- struct metasingleconn **lsc;
- char *rmsg = NULL;
- char *rmatch = NULL;
-
- for ( i = 0, lsc = lc->conns; lsc[ 0 ] != NULL; ++i, ++lsc ) {
- int err = LDAP_SUCCESS;
- char *msg = NULL;
- char *match = NULL;
-
- ldap_get_option( lsc[ 0 ]->ld, LDAP_OPT_ERROR_NUMBER, &err );
- if ( err != LDAP_SUCCESS ) {
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+
+ int i,
+ rerr = LDAP_SUCCESS;
+ char *rmsg = NULL,
+ *rmatch = NULL;
+ const char *save_rmsg = NULL,
+ *save_rmatch = NULL;
+ void *rmatch_ctx = NULL;
+
+ if ( candidate != META_TARGET_NONE ) {
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+
+ rs->sr_err = LDAP_SUCCESS;
+
+ ldap_get_option( msc->msc_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[ 0 ]->ld,
- LDAP_OPT_ERROR_STRING, &msg );
- ldap_get_option( lsc[ 0 ]->ld,
- LDAP_OPT_MATCHED_DN, &match );
- err = ldap_back_map_result( err );
-
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_DEBUG_NOTICE,
- "meta_back_op_result: target"
- " <%d> sending msg \"%s\""
- " (matched \"%s\")\n",
- i, ( msg ? msg : "" ),
- ( match ? match : "" ) ));
-#else /* !NEW_LOGGING */
+ ldap_get_option( msc->msc_ld,
+ LDAP_OPT_ERROR_STRING, &rmsg );
+ if ( rmsg != NULL && rmsg[ 0 ] == '\0' ) {
+ ldap_memfree( rmsg );
+ rmsg = NULL;
+ }
+
+ ldap_get_option( msc->msc_ld,
+ LDAP_OPT_MATCHED_DN, &rmatch );
+ if ( rmatch != NULL && rmatch[ 0 ] == '\0' ) {
+ ldap_memfree( rmatch );
+ rmatch = NULL;
+ }
+
+ rerr = rs->sr_err = slap_map_api2result( rs );
+
Debug(LDAP_DEBUG_ANY,
"==> meta_back_op_result: target"
" <%d> sending msg \"%s\""
" (matched \"%s\")\n",
- i, ( msg ? msg : "" ),
- ( match ? match : "" ) );
-#endif /* !NEW_LOGGING */
-
- /*
- * FIXME: need to rewrite "match" (need rwinfo)
- */
- switch ( err ) {
- default:
- rerr = err;
- rmsg = msg;
- msg = NULL;
- rmatch = match;
- match = NULL;
- break;
- }
+ candidate, ( rmsg ? rmsg : "" ),
+ ( rmatch ? rmatch : "" ) );
+ }
- /* better test the pointers before freeing? */
- if ( match ) {
- free( match );
- }
- if ( msg ) {
- free( msg );
+ } else {
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+ char *msg = NULL;
+ char *match = NULL;
+
+ rs->sr_err = LDAP_SUCCESS;
+
+ ldap_get_option( msc->msc_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( msc->msc_ld,
+ LDAP_OPT_ERROR_STRING, &msg );
+ if ( msg != NULL && msg[ 0 ] == '\0' ) {
+ ldap_memfree( msg );
+ msg = NULL;
+ }
+
+ ldap_get_option( msc->msc_ld,
+ LDAP_OPT_MATCHED_DN, &match );
+ if ( match != NULL && match[ 0 ] == '\0' ) {
+ ldap_memfree( match );
+ match = NULL;
+ }
+
+ rs->sr_err = slap_map_api2result( rs );
+
+ Debug(LDAP_DEBUG_ANY,
+ "==> meta_back_op_result: target"
+ " <%d> sending msg \"%s\""
+ " (matched \"%s\")\n",
+ i, ( msg ? msg : "" ),
+ ( match ? match : "" ) );
+
+ /*
+ * FIXME: need to rewrite "match" (need rwinfo)
+ */
+ switch ( rs->sr_err ) {
+ default:
+ rerr = rs->sr_err;
+ if ( msg != NULL ) {
+ if ( rmsg ) {
+ ldap_memfree( rmsg );
+ }
+ rmsg = msg;
+ msg = NULL;
+ }
+ if ( match != NULL ) {
+ if ( rmatch ) {
+ ldap_memfree( rmatch );
+ }
+ rmatch = match;
+ match = NULL;
+ }
+ break;
+ }
+
+ if ( msg ) {
+ ldap_memfree( msg );
+ }
+
+ if ( match ) {
+ ldap_memfree( match );
+ }
}
}
}
-
- send_ldap_result( lc->conn, op, rerr, rmatch, rmsg, NULL, NULL );
+
+ rs->sr_err = rerr;
+ if ( rmsg != NULL ) {
+ save_rmsg = rs->sr_text;
+ rs->sr_text = rmsg;
+ }
+ if ( rmatch != NULL ) {
+ struct berval dn, pdn;
+
+ ber_str2bv( rmatch, 0, 0, &dn );
+ if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
+ ldap_memfree( rmatch );
+ rmatch_ctx = op->o_tmpmemctx;
+ rmatch = pdn.bv_val;
+ }
+ save_rmatch = rs->sr_matched;
+ rs->sr_matched = rmatch;
+ }
+ send_ldap_result( op, rs );
+ if ( rmsg != NULL ) {
+ ber_memfree( rmsg );
+ rs->sr_text = save_rmsg;
+ }
+ if ( rmatch != NULL ) {
+ ber_memfree_x( rmatch, rmatch_ctx );
+ rs->sr_matched = save_rmatch;
+ }
return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
}
projects / openldap / blobdiff