/* * Call this to do a TLS accept on a sockbuf. * Everything else is the same as with tls_connect. */ int ldap_pvt_tls_accept( Sockbuf *sb, void *ctx_arg ) { int err; tls_session *ssl = NULL; if ( HAS_TLS( sb )) { ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl ); } else { ssl = alloc_handle( ctx_arg, 1 ); if ( ssl == NULL ) return -1; #ifdef LDAP_DEBUG ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug, LBER_SBIOD_LEVEL_TRANSPORT, (void *)"tls_" ); #endif ber_sockbuf_add_io( sb, tls_imp->ti_sbio, LBER_SBIOD_LEVEL_TRANSPORT, (void *)ssl ); } err = tls_imp->ti_session_accept( ssl ); #ifdef HAVE_WINSOCK errno = WSAGetLastError(); #endif if ( err < 0 ) { if ( update_flags( sb, ssl, err )) return 1; if ( DebugTest( LDAP_DEBUG_ANY ) ) { char buf[256], *msg; msg = tls_imp->ti_session_errmsg( ssl, err, buf, sizeof(buf) ); Debug( LDAP_DEBUG_ANY,"TLS: can't accept: %s.\n", msg ? msg : "(unknown)", 0, 0 ); } ber_sockbuf_remove_io( sb, tls_imp->ti_sbio, LBER_SBIOD_LEVEL_TRANSPORT ); #ifdef LDAP_DEBUG ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug, LBER_SBIOD_LEVEL_TRANSPORT ); #endif return -1; } return 0; }
static void mdbx_debug(int type, const char *function, int line, const char *msg, va_list args) { #if LDAP_DEBUG > 1 int level = LDAP_DEBUG_ANY; #else int level = 0; if (type & MDBX_DBG_ASSERT) level |= LDAP_DEBUG_ANY; if (type & MDBX_DBG_PRINT) level |= LDAP_DEBUG_NONE; if (type & (MDBX_DBG_TRACE | MDBX_DBG_EXTRA)) level |= LDAP_DEBUG_TRACE; #endif /* LDAP_DEBUG */ if (DebugTest(level)) ldap_debug_va(msg, args); }
/* protected by res_mutex */ static int wait4msg( LDAP *ld, ber_int_t msgid, int all, struct timeval *timeout, LDAPMessage **result ) { int rc; struct timeval tv = { 0 }, tv0 = { 0 }, start_time_tv = { 0 }, *tvp = NULL; LDAPConn *lc; assert( ld != NULL ); assert( result != NULL ); LDAP_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex ); if ( timeout == NULL && ld->ld_options.ldo_tm_api.tv_sec >= 0 ) { tv = ld->ld_options.ldo_tm_api; timeout = &tv; } #ifdef LDAP_DEBUG if ( timeout == NULL ) { Debug( LDAP_DEBUG_TRACE, "wait4msg ld %p msgid %d (infinite timeout)\n", (void *)ld, msgid ); } else { Debug( LDAP_DEBUG_TRACE, "wait4msg ld %p msgid %d (timeout %ld usec)\n", (void *)ld, msgid, (long)timeout->tv_sec * 1000000 + timeout->tv_usec ); } #endif /* LDAP_DEBUG */ if ( timeout != NULL && timeout->tv_sec != -1 ) { tv0 = *timeout; tv = *timeout; tvp = &tv; ldap_timeval_realtime( &start_time_tv ); } rc = LDAP_MSG_X_KEEP_LOOKING; while ( rc == LDAP_MSG_X_KEEP_LOOKING ) { #ifdef LDAP_DEBUG if ( DebugTest(LDAP_DEBUG_TRACE) ) { Debug( LDAP_DEBUG_TRACE, "wait4msg continue ld %p msgid %d all %d\n", (void *)ld, msgid, all ); ldap_dump_connection( ld, ld->ld_conns, 1 ); LDAP_MUTEX_LOCK( &ld->ld_req_mutex ); ldap_dump_requests_and_responses( ld ); LDAP_MUTEX_UNLOCK( &ld->ld_req_mutex ); } #endif /* LDAP_DEBUG */ if ( ( *result = chkResponseList( ld, msgid, all ) ) != NULL ) { rc = (*result)->lm_msgtype; } else { int lc_ready = 0; LDAP_MUTEX_LOCK( &ld->ld_conn_mutex ); for ( lc = ld->ld_conns; lc != NULL; lc = lc->lconn_next ) { if ( ber_sockbuf_ctrl( lc->lconn_sb, LBER_SB_OPT_DATA_READY, NULL ) ) { lc_ready = 2; /* ready at ber level, not socket level */ break; } } if ( !lc_ready ) { int err; rc = ldap_int_select( ld, tvp ); if ( rc == -1 ) { err = sock_errno(); #ifdef LDAP_DEBUG Debug( LDAP_DEBUG_TRACE, "ldap_int_select returned -1: errno %d\n", err ); #endif } if ( rc == 0 || ( rc == -1 && ( !LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART) || err != EINTR ) ) ) { ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN : LDAP_TIMEOUT); LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex ); return( rc ); } if ( rc == -1 ) { rc = LDAP_MSG_X_KEEP_LOOKING; /* select interrupted: loop */ } else { lc_ready = 1; } } if ( lc_ready ) { LDAPConn *lnext; int serviced = 0; rc = LDAP_MSG_X_KEEP_LOOKING; LDAP_MUTEX_LOCK( &ld->ld_req_mutex ); if ( ld->ld_requests && ld->ld_requests->lr_status == LDAP_REQST_WRITING && ldap_is_write_ready( ld, ld->ld_requests->lr_conn->lconn_sb ) ) { serviced = 1; ldap_int_flush_request( ld, ld->ld_requests ); } for ( lc = ld->ld_conns; rc == LDAP_MSG_X_KEEP_LOOKING && lc != NULL; lc = lnext ) { if ( lc->lconn_status == LDAP_CONNST_CONNECTED && ldap_is_read_ready( ld, lc->lconn_sb ) ) { serviced = 1; /* Don't let it get freed out from under us */ ++lc->lconn_refcnt; rc = try_read1msg( ld, msgid, all, lc, result ); lnext = lc->lconn_next; /* Only take locks if we're really freeing */ if ( lc->lconn_refcnt <= 1 ) { ldap_free_connection( ld, lc, 0, 1 ); } else { --lc->lconn_refcnt; } } else { lnext = lc->lconn_next; } } LDAP_MUTEX_UNLOCK( &ld->ld_req_mutex ); /* Quit looping if no one handled any socket events */ if (!serviced && lc_ready == 1) rc = -1; } LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex ); } if ( rc == LDAP_MSG_X_KEEP_LOOKING ) { struct timeval curr_time_tv = { 0 }, delta_time_tv = { 0 }; if ( ld->ld_gentle_shutdown && ld->ld_gentle_shutdown( ld ) ) return LDAP_SERVER_DOWN; if ( tvp == NULL ) continue; ldap_timeval_realtime( &curr_time_tv ); /* delta_time = tmp_time - start_time */ delta_time_tv.tv_sec = curr_time_tv.tv_sec - start_time_tv.tv_sec; delta_time_tv.tv_usec = curr_time_tv.tv_usec - start_time_tv.tv_usec; if ( delta_time_tv.tv_usec < 0 ) { delta_time_tv.tv_sec--; delta_time_tv.tv_usec += 1000000; } /* tv0 < delta_time ? */ if ( ( tv0.tv_sec < delta_time_tv.tv_sec ) || ( ( tv0.tv_sec == delta_time_tv.tv_sec ) && ( tv0.tv_usec < delta_time_tv.tv_usec ) ) ) { rc = 0; /* timed out */ ld->ld_errno = LDAP_TIMEOUT; break; } /* tv0 -= delta_time */ tv0.tv_sec -= delta_time_tv.tv_sec; tv0.tv_usec -= delta_time_tv.tv_usec; if ( tv0.tv_usec < 0 ) { tv0.tv_sec--; tv0.tv_usec += 1000000; } tv.tv_sec = tv0.tv_sec; tv.tv_usec = tv0.tv_usec; Debug( LDAP_DEBUG_TRACE, "wait4msg ld %p %ld s %ld us to go\n", (void *)ld, (long) tv.tv_sec, (long) tv.tv_usec ); start_time_tv.tv_sec = curr_time_tv.tv_sec; start_time_tv.tv_usec = curr_time_tv.tv_usec; } } return( rc ); }
/* * FIXME: error return must be handled in a cleaner way ... */ int 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 ) { metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; 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; char *matched = NULL; char *text = NULL; char **refs = NULL; LDAPControl **ctrls = NULL; assert( mc != NULL ); rs->sr_text = NULL; rs->sr_matched = NULL; rs->sr_ref = NULL; rs->sr_ctrls = NULL; if ( candidate != META_TARGET_NONE ) { metatarget_t *mt = mi->mi_targets[ candidate ]; metasingleconn_t *msc = &mc->mc_conns[ candidate ]; if ( LDAP_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; } } 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 && ldap_time_steady() > stoptime ) { (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok ); rs->sr_err = timeout_err; rs->sr_text = timeout_text; break; } 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; if ( rc == LDAP_SUCCESS ) { rs->sr_text = text; } else { rs->sr_err = rc; } rs->sr_err = slap_map_api2result( rs ); /* RFC 4511: referrals can only appear * if result code is LDAP_REFERRAL */ if ( refs != NULL && refs[ 0 ] != NULL && refs[ 0 ][ 0 ] != '\0' ) { if ( rs->sr_err != LDAP_REFERRAL ) { Debug( LDAP_DEBUG_ANY, "%s meta_back_op_result[%d]: " "got referrals with err=%d\n", op->o_log_prefix, candidate, rs->sr_err ); } else { 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 ] ); } } else if ( rs->sr_err == LDAP_REFERRAL ) { Debug( LDAP_DEBUG_ANY, "%s meta_back_op_result[%d]: " "got err=%d with null " "or empty referrals\n", op->o_log_prefix, candidate, rs->sr_err ); rs->sr_err = LDAP_NO_SUCH_OBJECT; } 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 ( !LDAP_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; if ( msc->msc_ld == NULL ) { continue; } 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 ( DebugTest( 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 ); } /* * 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; } if ( xtext ) { ldap_memfree( xtext ); } if ( xmatched ) { ldap_memfree( xmatched ); } } 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; } if ( rs->sr_err == LDAP_UNAVAILABLE ) { if ( !( sendok & LDAP_BACK_RETRYING ) ) { if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) { if ( rs->sr_text == NULL ) rs->sr_text = "Proxy operation retry failed"; send_ldap_result( op, rs ); } } } else if ( op->o_conn && ( ( ( sendok & LDAP_BACK_SENDOK ) && LDAP_ERR_OK( rs->sr_err ) ) || ( ( sendok & LDAP_BACK_SENDERR ) && !LDAP_ERR_OK( rs->sr_err ) ) ) ) { send_ldap_result( op, rs ); } if ( matched ) { op->o_tmpfree( (char *)rs->sr_matched, matched_ctx ); } if ( text ) { ldap_memfree( text ); } if ( rs->sr_ref ) { op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx ); rs->sr_ref = NULL; } if ( refs ) { ber_memvfree( (void **)refs ); } 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( LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err ); }
/* * meta_back_dobind */ int meta_back_dobind( Operation *op, SlapReply *rs, metaconn_t *mc, ldap_back_send_t sendok ) { metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; int bound = 0, i, isroot = 0; SlapReply *candidates; if ( be_isroot( op ) ) { isroot = 1; } if ( DebugTest( LDAP_DEBUG_TRACE ) ) { char buf[STRLENOF("4294967295U") + 1] = { 0 }; mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) ); Debug( LDAP_DEBUG_TRACE, "%s meta_back_dobind: conn=%s%s\n", op->o_log_prefix, buf, isroot ? " (isroot)" : "" ); } /* * all the targets are bound as pseudoroot */ if ( mc->mc_authz_target == META_BOUND_ALL ) { bound = 1; goto done; } candidates = meta_back_candidates_get( op ); 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 */ if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) { continue; } assert( msc->msc_ld != NULL ); /* * If the target is already bound it is skipped */ 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 ); /* * NOTE: meta_back_single_dobind() already retries; * in case of failure, it resets mc... */ 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 ); meta_back_release_conn_lock( mi, mc, 0 ); ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex ); } 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, "%s %s\n", op->o_log_prefix, buf ); /* * null cred bind should always succeed * as anonymous, so a failure means * the target is no longer candidate possibly * due to technical reasons (remote host down?) * so better clear the handle */ /* 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 */ 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; } done:; if ( DebugTest( LDAP_DEBUG_TRACE ) ) { char buf[STRLENOF("4294967295U") + 1] = { 0 }; mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) ); Debug( LDAP_DEBUG_TRACE, "%s meta_back_dobind: conn=%s bound=%d\n", op->o_log_prefix, buf, bound ); } if ( bound == 0 ) { meta_back_release_conn( mi, 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 ); }
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; 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 ); /* the test on the bind method should be superfluous */ switch ( be_rootdn_bind( op, rs ) ) { case LDAP_SUCCESS: if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) { /* frontend will return success */ return rs->sr_err; } isroot = 1; /* fallthru */ case SLAP_CB_CONTINUE: break; default: /* be_rootdn_bind() sent result */ return rs->sr_err; } /* 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 ( DebugTest( 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 ); } /* 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; } candidates = meta_back_candidates_get( op ); /* * Each target is scanned ... */ mc->mc_authz_target = META_BOUND_NONE; for ( i = 0; i < mi->mi_ntargets; i++ ) { metatarget_t *mt = mi->mi_targets[ i ]; int lerr; /* * Skip non-candidates */ 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 if ( !isroot ) { /* * A bind operation is expected to have * ONE CANDIDATE ONLY! */ Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind: more than one" " candidate selected...\n", op->o_log_prefix ); } 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, 1 ); lerr = rs->sr_err; } else { lerr = meta_back_single_bind( op, rs, mc, i ); } if ( lerr != 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; } if ( !LDAP_BACK_PCONN_ISPRIV( mc ) && !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) ) { int lerr; /* wait for all other ops to release the connection */ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex ); assert( mc->mc_refcnt == 1 ); #if META_BACK_PRINT_CONNTREE > 0 meta_back_print_conntree( mi, ">>> meta_back_bind" ); #endif /* META_BACK_PRINT_CONNTREE */ /* delete all cached connections with the current connection */ if ( LDAP_BACK_SINGLECONN( mi ) ) { metaconn_t *tmpmc; while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL ) { assert( !LDAP_BACK_PCONN_ISPRIV( mc ) ); Debug( LDAP_DEBUG_TRACE, "=>meta_back_bind: destroying conn %lu (refcnt=%u)\n", mc->mc_conn->c_connid, mc->mc_refcnt ); 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 ); 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 */ if ( lerr == 0 ) { #if 0 /* NOTE: a connection cannot be privileged * and be in the avl tree at the same time */ if ( isroot ) { LDAP_BACK_CONN_ISPRIV_SET( mc ); LDAP_BACK_PCONN_SET( mc, op ); } #endif LDAP_BACK_CONN_CACHED_SET( mc ); } else { LDAP_BACK_CONN_CACHED_CLEAR( mc ); } ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex ); } } if ( mc != NULL ) { meta_back_release_conn( mi, 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 succeeds, fine. */ if ( rc != LDAP_SUCCESS ) { /* * deal with bind failure ... */ /* * 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 LDAP_SUCCESS; }