X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fconnection.c;h=5fe614e50a98f1d2b8aaf23678a451a5b0b60703;hb=c59f0869ec670a8b2f58cb69a5c92202fd33f0c3;hp=1c5281e34064fea235c35fb600c869c0ee404c54;hpb=f7d7700b6e8b714ff83670eebb8022e3c98e6527;p=openldap diff --git a/servers/slapd/connection.c b/servers/slapd/connection.c index 1c5281e340..5fe614e50a 100644 --- a/servers/slapd/connection.c +++ b/servers/slapd/connection.c @@ -1,7 +1,26 @@ /* $OpenLDAP$ */ -/* - * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2004 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . + */ +/* Portions Copyright (c) 1995 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. */ #include "portable.h" @@ -19,6 +38,10 @@ #include "lutil.h" #include "slap.h" +#ifdef LDAP_SLAPI +#include "slapi/slapi.h" +#endif + /* protected by connections_mutex */ static ldap_pvt_thread_mutex_t connections_mutex; static Connection *connections = NULL; @@ -35,16 +58,18 @@ static unsigned long conn_nextid = 0; #define SLAP_C_ACTIVE 0x02 /* one or more threads */ #define SLAP_C_BINDING 0x03 /* binding */ #define SLAP_C_CLOSING 0x04 /* closing */ +#define SLAP_C_CLIENT 0x05 /* outbound client conn */ const char * connection_state2str( int state ) { switch( state ) { - case SLAP_C_INVALID: return "!"; - case SLAP_C_INACTIVE: return "|"; - case SLAP_C_ACTIVE: return ""; + case SLAP_C_INVALID: return "!"; + case SLAP_C_INACTIVE: return "|"; + case SLAP_C_ACTIVE: return ""; case SLAP_C_BINDING: return "B"; - case SLAP_C_CLOSING: return "C"; + case SLAP_C_CLOSING: return "C"; + case SLAP_C_CLIENT: return "L"; } return "?"; @@ -67,12 +92,14 @@ static ldap_pvt_thread_start_t connection_operation; */ int connections_init(void) { + int i; + assert( connections == NULL ); if( connections != NULL) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connections_init: already initialized.\n", 0, 0, 0 ); + "connections_init: already initialized.\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n", 0, 0, 0 ); @@ -88,8 +115,8 @@ int connections_init(void) if( connections == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connections_init: allocation (%d * %ld) of connection " - "array failed\n", dtblsize, (long) sizeof(Connection), 0 ); + "connections_init: allocation (%d * %ld) of connection " + "array failed\n", dtblsize, (long) sizeof(Connection), 0 ); #else Debug( LDAP_DEBUG_ANY, "connections_init: allocation (%d*%ld) of connection array failed\n", @@ -98,8 +125,10 @@ int connections_init(void) return -1; } - assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED ); - assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED ); + assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED ); + assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED ); + + for (i=0; ic_n_ops_executing || + c->c_conn_state == SLAP_C_CLIENT ) continue; + if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) { /* close it */ connection_closing( c ); @@ -270,7 +315,7 @@ static Connection* connection_get( ber_socket_t s ) #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ARGS, - "connection_get: connection %d not used\n", s, 0, 0 ); + "connection_get: connection %d not used\n", s, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_get(%d): connection not used\n", @@ -318,9 +363,9 @@ long connection_init( Listener *listener, const char* dnsname, const char* peername, - int tls_udp_option, + int flags, slap_ssf_t ssf, - const char *authid ) + struct berval *authid ) { unsigned long id; Connection *c; @@ -332,17 +377,16 @@ long connection_init( assert( peername != NULL ); #ifndef HAVE_TLS - assert( tls_udp_option != 1 ); + assert( flags != CONN_IS_TLS ); #endif if( s == AC_SOCKET_INVALID ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 ); + "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, - "connection_init(%ld): invalid.\n", - (long) s, 0, 0 ); + "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 ); #endif return -1; } @@ -359,48 +403,53 @@ long connection_init( #else { - ber_socket_t i; - + ber_socket_t i; c = NULL; - for( i=0; i < dtblsize; i++) { - ber_socket_t sd; + for( i=0; i < dtblsize; i++) { + ber_socket_t sd; - if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) { - assert( connections[i].c_sb == 0 ); - c = &connections[i]; - break; - } + if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) { + assert( connections[i].c_sb == 0 ); + c = &connections[i]; + break; + } sd = AC_SOCKET_INVALID; - if (connections[i].c_sb != NULL) - ber_sockbuf_ctrl( connections[i].c_sb, LBER_SB_OPT_GET_FD, &sd ); - - if( connections[i].c_struct_state == SLAP_C_UNUSED ) { - assert( sd == AC_SOCKET_INVALID ); - c = &connections[i]; - break; - } + if (connections[i].c_sb != NULL) { + ber_sockbuf_ctrl( connections[i].c_sb, + LBER_SB_OPT_GET_FD, &sd ); + } - assert( connections[i].c_struct_state == SLAP_C_USED ); - assert( connections[i].c_conn_state != SLAP_C_INVALID ); - assert( sd != AC_SOCKET_INVALID ); - } + if( connections[i].c_struct_state == SLAP_C_UNUSED ) { + assert( sd == AC_SOCKET_INVALID ); + c = &connections[i]; + break; + } - if( c == NULL ) { + if( connections[i].c_conn_state == SLAP_C_CLIENT ) { + continue; + } + + assert( connections[i].c_struct_state == SLAP_C_USED ); + assert( connections[i].c_conn_state != SLAP_C_INVALID ); + assert( sd != AC_SOCKET_INVALID ); + } + + if( c == NULL ) { #ifdef NEW_LOGGING - LDAP_LOG( CONNECTION, INFO, - "connection_init: skt %d connection table full " - "(%d/%d)\n", s, i, dtblsize ); + LDAP_LOG( CONNECTION, INFO, + "connection_init(%d): connection table full " + "(%d/%d)\n", s, i, dtblsize ); #else - Debug( LDAP_DEBUG_ANY, + Debug( LDAP_DEBUG_ANY, "connection_init(%d): connection table full " "(%d/%d)\n", s, i, dtblsize); #endif - ldap_pvt_thread_mutex_unlock( &connections_mutex ); - return -1; + ldap_pvt_thread_mutex_unlock( &connections_mutex ); + return -1; + } } - } #endif assert( c != NULL ); @@ -410,8 +459,8 @@ long connection_init( c->c_send_search_entry = slap_send_search_entry; c->c_send_search_reference = slap_send_search_reference; c->c_send_ldap_extended = slap_send_ldap_extended; -#ifdef LDAP_RES_INTERMEDIATE_RESP - c->c_send_ldap_intermediate_resp = slap_send_ldap_intermediate_resp; +#ifdef LDAP_RES_INTERMEDIATE + c->c_send_ldap_intermediate = slap_send_ldap_intermediate; #endif c->c_authmech.bv_val = NULL; @@ -420,7 +469,6 @@ long connection_init( c->c_dn.bv_len = 0; c->c_ndn.bv_val = NULL; c->c_ndn.bv_len = 0; - c->c_groups = NULL; c->c_listener = NULL; c->c_peer_domain.bv_val = NULL; @@ -453,21 +501,26 @@ long connection_init( ldap_pvt_thread_mutex_init( &c->c_write_mutex ); ldap_pvt_thread_cond_init( &c->c_write_cv ); +#ifdef LDAP_SLAPI + if ( slapi_plugins_used ) { + slapi_int_create_object_extensions( SLAPI_X_EXT_CONNECTION, c ); + } +#endif + c->c_struct_state = SLAP_C_UNUSED; } - ldap_pvt_thread_mutex_lock( &c->c_mutex ); + ldap_pvt_thread_mutex_lock( &c->c_mutex ); - assert( c->c_struct_state == SLAP_C_UNUSED ); - assert( c->c_authmech.bv_val == NULL ); - assert( c->c_dn.bv_val == NULL ); - assert( c->c_ndn.bv_val == NULL ); - assert( c->c_groups == NULL ); - assert( c->c_listener == NULL ); - assert( c->c_peer_domain.bv_val == NULL ); - assert( c->c_peer_name.bv_val == NULL ); - assert( LDAP_STAILQ_EMPTY(&c->c_ops) ); - assert( LDAP_STAILQ_EMPTY(&c->c_pending_ops) ); + assert( c->c_struct_state == SLAP_C_UNUSED ); + assert( c->c_authmech.bv_val == NULL ); + assert( c->c_dn.bv_val == NULL ); + assert( c->c_ndn.bv_val == NULL ); + assert( c->c_listener == NULL ); + assert( c->c_peer_domain.bv_val == NULL ); + assert( c->c_peer_name.bv_val == NULL ); + assert( LDAP_STAILQ_EMPTY(&c->c_ops) ); + assert( LDAP_STAILQ_EMPTY(&c->c_pending_ops) ); assert( c->c_sasl_bind_mech.bv_val == NULL ); assert( c->c_sasl_done == 0 ); assert( c->c_sasl_authctx == NULL ); @@ -475,15 +528,27 @@ long connection_init( assert( c->c_sasl_extra == NULL ); assert( c->c_sasl_bindop == NULL ); assert( c->c_currentber == NULL ); + assert( c->c_writewaiter == 0); c->c_listener = listener; + + if ( flags == CONN_IS_CLIENT ) { + c->c_conn_state = SLAP_C_CLIENT; + c->c_struct_state = SLAP_C_USED; + ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_FD, &s ); + ldap_pvt_thread_mutex_unlock( &c->c_mutex ); + ldap_pvt_thread_mutex_unlock( &connections_mutex ); + + return 0; + } + ber_str2bv( dnsname, 0, 1, &c->c_peer_domain ); ber_str2bv( peername, 0, 1, &c->c_peer_name ); - c->c_n_ops_received = 0; - c->c_n_ops_executing = 0; - c->c_n_ops_pending = 0; - c->c_n_ops_completed = 0; + c->c_n_ops_received = 0; + c->c_n_ops_executing = 0; + c->c_n_ops_pending = 0; + c->c_n_ops_completed = 0; c->c_n_get = 0; c->c_n_read = 0; @@ -502,7 +567,7 @@ long connection_init( #ifdef LDAP_CONNECTIONLESS c->c_is_udp = 0; - if( tls_udp_option == 2 ) { + if( flags == CONN_IS_UDP ) { c->c_is_udp = 1; #ifdef LDAP_DEBUG ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug, @@ -533,8 +598,8 @@ long connection_init( { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_init: conn %lu set nonblocking failed\n", - c->c_connid, 0, 0 ); + "connection_init: conn %lu set nonblocking failed\n", + c->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "connection_init(%d, %s): set nonblocking failed\n", @@ -542,33 +607,33 @@ long connection_init( #endif } - id = c->c_connid = conn_nextid++; + id = c->c_connid = conn_nextid++; - c->c_conn_state = SLAP_C_INACTIVE; - c->c_struct_state = SLAP_C_USED; + c->c_conn_state = SLAP_C_INACTIVE; + c->c_struct_state = SLAP_C_USED; c->c_ssf = c->c_transport_ssf = ssf; c->c_tls_ssf = 0; #ifdef HAVE_TLS - if ( tls_udp_option == 1 ) { - c->c_is_tls = 1; - c->c_needs_tls_accept = 1; - } else { - c->c_is_tls = 0; - c->c_needs_tls_accept = 0; - } + if ( flags == CONN_IS_TLS ) { + c->c_is_tls = 1; + c->c_needs_tls_accept = 1; + } else { + c->c_is_tls = 0; + c->c_needs_tls_accept = 0; + } #endif slap_sasl_open( c, 0 ); slap_sasl_external( c, ssf, authid ); - ldap_pvt_thread_mutex_unlock( &c->c_mutex ); - ldap_pvt_thread_mutex_unlock( &connections_mutex ); + ldap_pvt_thread_mutex_unlock( &c->c_mutex ); + ldap_pvt_thread_mutex_unlock( &connections_mutex ); - backend_connection_init(c); + backend_connection_init(c); - return id; + return id; } void connection2anonymous( Connection *c ) @@ -599,39 +664,31 @@ void connection2anonymous( Connection *c ) c->c_ndn.bv_len = 0; c->c_authz_backend = NULL; - - { - GroupAssertion *g, *n; - for (g = c->c_groups; g; g=n) { - n = g->ga_next; - free(g); - } - c->c_groups = NULL; - } } static void connection_destroy( Connection *c ) { /* note: connections_mutex should be locked by caller */ - ber_socket_t sd; - unsigned long connid; + ber_socket_t sd; + unsigned long connid; - assert( connections != NULL ); - assert( c != NULL ); - assert( c->c_struct_state != SLAP_C_UNUSED ); - assert( c->c_conn_state != SLAP_C_INVALID ); - assert( LDAP_STAILQ_EMPTY(&c->c_ops) ); + assert( connections != NULL ); + assert( c != NULL ); + assert( c->c_struct_state != SLAP_C_UNUSED ); + assert( c->c_conn_state != SLAP_C_INVALID ); + assert( LDAP_STAILQ_EMPTY(&c->c_ops) ); + assert( c->c_writewaiter == 0); - /* only for stats (print -1 as "%lu" may give unexpected results ;) */ - connid = c->c_connid; + /* only for stats (print -1 as "%lu" may give unexpected results ;) */ + connid = c->c_connid; - backend_connection_destroy(c); + backend_connection_destroy(c); - c->c_protocol = 0; - c->c_connid = -1; + c->c_protocol = 0; + c->c_connid = -1; - c->c_activitytime = c->c_starttime = 0; + c->c_activitytime = c->c_starttime = 0; connection2anonymous( c ); c->c_listener = NULL; @@ -663,10 +720,10 @@ connection_destroy( Connection *c ) ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd ); if ( sd != AC_SOCKET_INVALID ) { - slapd_remove( sd, 0 ); + slapd_remove( sd, 1, 0 ); Statslog( LDAP_DEBUG_STATS, - "conn=%lu fd=%ld closed\n", + "conn=%lu fd=%ld closed\n", connid, (long) sd, 0, 0, 0 ); } @@ -679,8 +736,15 @@ connection_destroy( Connection *c ) ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max ); } - c->c_conn_state = SLAP_C_INVALID; - c->c_struct_state = SLAP_C_UNUSED; + c->c_conn_state = SLAP_C_INVALID; + c->c_struct_state = SLAP_C_UNUSED; + +#ifdef LDAP_SLAPI + /* call destructors, then constructors; avoids unnecessary allocation */ + if ( slapi_plugins_used ) { + slapi_int_clear_object_extensions( SLAPI_X_EXT_CONNECTION, c ); + } +#endif } int connection_state_closing( Connection *c ) @@ -731,8 +795,8 @@ void connection_closing( Connection *c ) ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd ); #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, DETAIL1, - "connection_closing: conn %lu readying socket %d for close.\n", - c->c_connid, sd, 0 ); + "connection_closing: conn %lu readying socket %d for close.\n", + c->c_connid, sd, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_closing: readying conn=%lu sd=%d for close\n", @@ -768,8 +832,8 @@ static void connection_close( Connection *c ) if( !LDAP_STAILQ_EMPTY(&c->c_ops) ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, DETAIL1, - "connection_close: conn %lu deferring sd %d\n", - c->c_connid, sd, 0 ); + "connection_close: conn %lu deferring sd %d\n", + c->c_connid, sd, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_close: deferring conn=%lu sd=%d\n", @@ -780,7 +844,7 @@ static void connection_close( Connection *c ) #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, RESULTS, - "connection_close: conn %lu sd %d\n", c->c_connid, sd, 0 ); + "connection_close: conn %lu sd %d\n", c->c_connid, sd, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%lu sd=%d\n", c->c_connid, sd, 0 ); @@ -893,6 +957,7 @@ connection_operation( void *ctx, void *arg_v ) #endif /* SLAPD_MONITOR */ Connection *conn = op->o_conn; void *memctx = NULL; + void *memctx_null = NULL; ber_len_t memsiz; ldap_pvt_thread_mutex_lock( &num_ops_mutex ); @@ -919,12 +984,11 @@ connection_operation( void *ctx, void *arg_v ) /* We can use Thread-Local storage for most mallocs. We can * also use TL for ber parsing, but not on Add or Modify. */ -#define SLAB_SIZE 1048576 #if 0 memsiz = ber_len( op->o_ber ) * 64; - if ( SLAB_SIZE > memsiz ) memsiz = SLAB_SIZE; + if ( SLMALLOC_SLAB_SIZE > memsiz ) memsiz = SLMALLOC_SLAB_SIZE; #endif - memsiz = SLAB_SIZE; + memsiz = SLMALLOC_SLAB_SIZE; memctx = sl_mem_create( memsiz, ctx ); op->o_tmpmemctx = memctx; @@ -934,7 +998,7 @@ connection_operation( void *ctx, void *arg_v ) * regular memory; this only affects subsequent mallocs that * ber_scanf may invoke. */ - ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, memctx ); + ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx ); } switch ( tag ) { @@ -991,11 +1055,11 @@ connection_operation( void *ctx, void *arg_v ) default: #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_operation: conn %lu unknown LDAP request 0x%lx\n", - conn->c_connid, tag, 0 ); + "connection_operation: conn %lu unknown LDAP request 0x%lx\n", + conn->c_connid, tag, 0 ); #else Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n", - tag, 0, 0 ); + tag, 0, 0 ); #endif op->o_tag = LBER_ERROR; rs.sr_err = LDAP_PROTOCOL_ERROR; @@ -1049,7 +1113,6 @@ operations_error: #endif /* SLAPD_MONITOR */ ldap_pvt_thread_mutex_unlock( &num_ops_mutex ); -#ifdef LDAP_EXOP_X_CANCEL if ( op->o_cancel == SLAP_CANCEL_REQ ) { op->o_cancel = LDAP_TOO_LATE; } @@ -1059,39 +1122,27 @@ operations_error: { ldap_pvt_thread_yield(); } -#endif ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - conn->c_n_ops_executing--; - conn->c_n_ops_completed++; - - LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next); - LDAP_STAILQ_NEXT(op, o_next) = NULL; + ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx_null ); -#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC) - if ( op->o_cancel == SLAP_CANCEL_ACK ) - goto co_op_free; -#endif -#ifdef LDAP_CLIENT_UPDATE - if ( ( op->o_clientupdate_type & SLAP_LCUP_PERSIST ) ) { + if ( op->o_cancel != SLAP_CANCEL_ACK && + ( op->o_sync_mode & SLAP_SYNC_PERSIST ) ) { sl_mem_detach( ctx, memctx ); - goto no_co_op_free; - } -#endif -#ifdef LDAP_SYNC - if ( ( op->o_sync_mode & SLAP_SYNC_PERSIST ) ) { + } else if (( op->o_sync_slog_size != -1 )) { sl_mem_detach( ctx, memctx ); - goto no_co_op_free; + LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next); + LDAP_STAILQ_NEXT(op, o_next) = NULL; + conn->c_n_ops_executing--; + conn->c_n_ops_completed++; + } else { + LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next); + LDAP_STAILQ_NEXT(op, o_next) = NULL; + slap_op_free( op ); + conn->c_n_ops_executing--; + conn->c_n_ops_completed++; } -#endif - -co_op_free: - - ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, NULL ); - slap_op_free( op ); - -no_co_op_free: switch( tag ) { case LBER_ERROR: @@ -1116,6 +1167,53 @@ no_co_op_free: return NULL; } +static const Listener dummy_list = { {0, ""}, {0, ""} }; + +int connection_client_setup( + ber_socket_t s, + ldap_pvt_thread_start_t *func, + void *arg ) +{ + Connection *c; + + if ( connection_init( s, &dummy_list, "", "", CONN_IS_CLIENT, 0, NULL ) < 0 ) { + return -1; + } + + c = connection_get( s ); + c->c_clientfunc = func; + c->c_clientarg = arg; + connection_return( c ); + slapd_add_internal( s, 0 ); + slapd_set_read( s, 1 ); + return 0; +} + +void connection_client_enable( + ber_socket_t s +) +{ + slapd_set_read( s, 1 ); +} + +void connection_client_stop( + ber_socket_t s +) +{ + Connection *c; + + /* get (locked) connection */ + c = connection_get( s ); + + assert( c->c_conn_state == SLAP_C_CLIENT ); + + c->c_listener = NULL; + c->c_conn_state = SLAP_C_INVALID; + c->c_struct_state = SLAP_C_UNUSED; + connection_return( c ); + slapd_remove( s, 0, 1 ); +} + int connection_read(ber_socket_t s) { int rc = 0; @@ -1137,7 +1235,7 @@ int connection_read(ber_socket_t s) "connection_read(%ld): no connection!\n", (long) s, 0, 0 ); #endif - slapd_remove(s, 0); + slapd_remove(s, 1, 0); ldap_pvt_thread_mutex_unlock( &connections_mutex ); return -1; @@ -1160,10 +1258,19 @@ int connection_read(ber_socket_t s) return 0; } + if ( c->c_conn_state == SLAP_C_CLIENT ) { + slapd_clr_read( s, 0 ); + ldap_pvt_thread_pool_submit( &connection_pool, + c->c_clientfunc, c->c_clientarg ); + connection_return( c ); + ldap_pvt_thread_mutex_unlock( &connections_mutex ); + return 0; + } + #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, DETAIL1, - "connection_read: conn %lu checking for input.\n", - c->c_connid, 0, 0 ); + "connection_read: conn %lu checking for input.\n", + c->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_read(%d): checking for input on id=%lu\n", @@ -1181,8 +1288,8 @@ int connection_read(ber_socket_t s) #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_read: conn %lu TLS accept error, error %d\n", - c->c_connid, rc, 0 ); + "connection_read: conn %lu TLS accept error, error %d\n", + c->c_connid, rc, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_read(%d): TLS accept error " @@ -1199,10 +1306,10 @@ int connection_read(ber_socket_t s) FD_ZERO(&rfd); FD_SET(s, &rfd); for (rc=1; rc>0;) { - tv.tv_sec = 1; - tv.tv_usec = 0; - rc = select(s+1, &rfd, NULL, NULL, &tv); - if (rc == 1) { + tv.tv_sec = 1; + tv.tv_usec = 0; + rc = select(s+1, &rfd, NULL, NULL, &tv); + if (rc == 1) { ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DRAIN, NULL); } } @@ -1236,8 +1343,8 @@ int connection_read(ber_socket_t s) s, rc, c->c_connid ); #endif } - slap_sasl_external( c, c->c_tls_ssf, authid.bv_val ); - if ( authid.bv_val ) free( authid.bv_val ); + slap_sasl_external( c, c->c_tls_ssf, &authid ); + if ( authid.bv_val ) free( authid.bv_val ); } /* if success and data is ready, fall thru to data input loop */ @@ -1262,7 +1369,7 @@ int connection_read(ber_socket_t s) c->c_sasl_layers = 0; - rc = ldap_pvt_sasl_install( c->c_sb, c->c_sasl_sockctx ); + rc = ldap_pvt_sasl_install( c->c_sb, c->c_sasl_sockctx ); if( rc != LDAP_SUCCESS ) { #ifdef NEW_LOGGING @@ -1288,13 +1395,12 @@ int connection_read(ber_socket_t s) #define CONNECTION_INPUT_LOOP 1 /* #define DATA_READY_LOOP 1 */ - do - { + do { /* How do we do this without getting into a busy loop ? */ rc = connection_input( c ); } #ifdef DATA_READY_LOOP - while( !rc && ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) ); + while( !rc && ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL )); #elif CONNECTION_INPUT_LOOP while(!rc); #else @@ -1304,7 +1410,7 @@ int connection_read(ber_socket_t s) if( rc < 0 ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_read: conn %lu input error %d, closing.\n", + "connection_read: conn %lu input error %d, closing.\n", c->c_connid, rc, 0 ); #else Debug( LDAP_DEBUG_TRACE, @@ -1334,8 +1440,7 @@ int connection_read(ber_socket_t s) static int connection_input( - Connection *conn -) + Connection *conn ) { Operation *op; ber_tag_t tag; @@ -1347,13 +1452,14 @@ connection_input( Sockaddr peeraddr; char *cdn = NULL; #endif + char *defer = NULL; if ( conn->c_currentber == NULL && ( conn->c_currentber = ber_alloc()) == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_input: conn %lu ber_alloc failed.\n", + "connection_input: conn %lu ber_alloc failed.\n", conn->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 ); @@ -1387,7 +1493,7 @@ connection_input( #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_input: conn %lu ber_get_next failed, errno %d (%s).\n", + "connection_input: conn %lu ber_get_next failed, errno %d (%s).\n", conn->c_connid, err, sock_errstr(err) ); #else Debug( LDAP_DEBUG_TRACE, @@ -1411,11 +1517,11 @@ connection_input( /* log, close and send error */ #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_input: conn %lu ber_get_int returns 0x%lx.\n", + "connection_input: conn %lu ber_get_int returns 0x%lx.\n", conn->c_connid, tag, 0 ); #else - Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", tag, 0, - 0 ); + Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", + tag, 0, 0 ); #endif ber_free( ber, 1 ); return -1; @@ -1425,11 +1531,11 @@ connection_input( /* log, close and send error */ #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_input: conn %lu ber_peek_tag returns 0x%lx.\n", - conn->c_connid, tag, 0 ); + "connection_input: conn %lu ber_peek_tag returns 0x%lx.\n", + conn->c_connid, tag, 0 ); #else - Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", tag, 0, - 0 ); + Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", + tag, 0, 0 ); #endif ber_free( ber, 1 ); @@ -1444,15 +1550,14 @@ connection_input( } if( tag != LDAP_REQ_ABANDON && tag != LDAP_REQ_SEARCH ) { #ifdef NEW_LOGGING - LDAP_LOG( CONNECTION, ERR, - "connection_input: conn %lu invalid req for UDP 0x%lx.\n", - conn->c_connid, tag, 0 ); + LDAP_LOG( CONNECTION, ERR, + "connection_input: conn %lu invalid req for UDP 0x%lx.\n", + conn->c_connid, tag, 0 ); #else - Debug( LDAP_DEBUG_ANY, "invalid req for UDP 0x%lx\n", tag, 0, - 0 ); + Debug( LDAP_DEBUG_ANY, "invalid req for UDP 0x%lx\n", tag, 0, 0 ); #endif - ber_free( ber, 1 ); - return 0; + ber_free( ber, 1 ); + return 0; } } #endif @@ -1464,26 +1569,30 @@ connection_input( op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ ); op->o_conn = conn; - op->vrFilter = NULL; -#ifdef LDAP_CONTROL_PAGEDRESULTS + op->o_assertion = NULL; + op->o_preread_attrs = NULL; + op->o_postread_attrs = NULL; + op->o_vrFilter = NULL; op->o_pagedresults_state = conn->c_pagedresults_state; -#endif + + op->o_res_ber = NULL; + #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp) { - if ( cdn ) { - ber_str2bv( cdn, 0, 1, &op->o_dn ); - op->o_protocol = LDAP_VERSION2; + ber_str2bv( cdn, 0, 1, &op->o_dn ); + op->o_protocol = LDAP_VERSION2; } op->o_res_ber = ber_alloc_t( LBER_USE_DER ); - if (op->o_res_ber == NULL) - return 1; + if (op->o_res_ber == NULL) return 1; + + rc = ber_write( op->o_res_ber, (char *)&peeraddr, + sizeof(struct sockaddr), 0 ); - rc = ber_write(op->o_res_ber, (char *)&peeraddr, sizeof(struct sockaddr), 0); if (rc != sizeof(struct sockaddr)) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_input: conn %lu ber_write failed\n", + "connection_input: conn %lu ber_write failed\n", conn->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 ); @@ -1496,7 +1605,7 @@ connection_input( if (rc == -1) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_input: conn %lu put outer sequence failed\n", + "connection_input: conn %lu put outer sequence failed\n", conn->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 ); @@ -1513,22 +1622,34 @@ connection_input( * Bind, or if it's closing. Also, don't let any single conn * use up all the available threads, and don't execute if we're * currently blocked on output. And don't execute if there are - * already pending ops, let them go first. + * already pending ops, let them go first. Abandon operations + * get exceptions to some, but not all, cases. */ - if ( conn->c_conn_state == SLAP_C_BINDING - || conn->c_conn_state == SLAP_C_CLOSING - || conn->c_n_ops_executing >= connection_pool_max/2 - || conn->c_n_ops_pending - || conn->c_writewaiter) - { - int max = conn->c_dn.bv_len ? slap_conn_max_pending_auth - : slap_conn_max_pending; + if (tag != LDAP_REQ_ABANDON && conn->c_conn_state == SLAP_C_CLOSING) { + defer = "closing"; + } else if (tag != LDAP_REQ_ABANDON && conn->c_writewaiter) { + defer = "awaiting write"; + } else if (conn->c_n_ops_executing >= connection_pool_max/2) { + defer = "too many executing"; + } else if (conn->c_conn_state == SLAP_C_BINDING) { + defer = "binding"; + } else if (tag != LDAP_REQ_ABANDON && conn->c_n_ops_pending) { + defer = "pending operations"; + } + + if( defer ) { + int max = conn->c_dn.bv_len + ? slap_conn_max_pending_auth + : slap_conn_max_pending; + #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_input: conn %lu deferring operation\n", - conn->c_connid, 0, 0 ); + "connection_input: conn %lu deferring operation: %s\n", + conn->c_connid, defer, 0 ); #else - Debug( LDAP_DEBUG_ANY, "deferring operation\n", 0, 0, 0 ); + Debug( LDAP_DEBUG_ANY, + "connection_input: conn=%lu deferring operation: %s\n", + conn->c_connid, defer, 0 ); #endif conn->c_n_ops_pending++; LDAP_STAILQ_INSERT_TAIL( &conn->c_pending_ops, op, o_next ); @@ -1569,7 +1690,7 @@ connection_resched( Connection *conn ) if( rc ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, DETAIL1, - "connection_resched: conn %lu reaquiring locks.\n", + "connection_resched: conn %lu reaquiring locks.\n", conn->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, @@ -1589,7 +1710,7 @@ connection_resched( Connection *conn ) if( conn->c_conn_state != SLAP_C_CLOSING ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, INFO, - "connection_resched: conn %lu closed by other thread.\n", + "connection_resched: conn %lu closed by other thread.\n", conn->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_resched: " @@ -1599,7 +1720,7 @@ connection_resched( Connection *conn ) } else { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, DETAIL1, - "connection_resched: conn %lu attempting closing.\n", + "connection_resched: conn %lu attempting closing.\n", conn->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_resched: " @@ -1649,19 +1770,20 @@ static int connection_op_activate( Operation *op ) } if (!op->o_dn.bv_len) { - op->o_authz = op->o_conn->c_authz; - ber_dupbv( &op->o_dn, &op->o_conn->c_dn ); - ber_dupbv( &op->o_ndn, &op->o_conn->c_ndn ); + op->o_authz = op->o_conn->c_authz; + ber_dupbv( &op->o_dn, &op->o_conn->c_dn ); + ber_dupbv( &op->o_ndn, &op->o_conn->c_ndn ); } op->o_authtype = op->o_conn->c_authtype; ber_dupbv( &op->o_authmech, &op->o_conn->c_authmech ); if (!op->o_protocol) { - op->o_protocol = op->o_conn->c_protocol - ? op->o_conn->c_protocol : LDAP_VERSION3; + op->o_protocol = op->o_conn->c_protocol + ? op->o_conn->c_protocol : LDAP_VERSION3; } if (op->o_conn->c_conn_state == SLAP_C_INACTIVE - && op->o_protocol > LDAP_VERSION2) { + && op->o_protocol > LDAP_VERSION2) + { op->o_conn->c_conn_state = SLAP_C_ACTIVE; } @@ -1679,7 +1801,8 @@ static int connection_op_activate( Operation *op ) op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, - "ldap_pvt_thread_pool_submit failed (%d)\n", status, 0, 0 ); + "ldap_pvt_thread_pool_submit: failed (%d) for conn=%lu\n", + status, op->o_connid, 0 ); #endif /* should move op to pending list */ } @@ -1702,13 +1825,13 @@ int connection_write(ber_socket_t s) if( c == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, ERR, - "connection_write: sock %ld no connection!\n", (long)s, 0, 0); + "connection_write: sock %ld no connection!\n", (long)s, 0, 0); #else Debug( LDAP_DEBUG_ANY, "connection_write(%ld): no connection!\n", - (long) s, 0, 0 ); + (long)s, 0, 0 ); #endif - slapd_remove(s, 0); + slapd_remove(s, 1, 0); ldap_pvt_thread_mutex_unlock( &connections_mutex ); return -1; } @@ -1717,7 +1840,7 @@ int connection_write(ber_socket_t s) #ifdef NEW_LOGGING LDAP_LOG( CONNECTION, DETAIL1, - "connection_write conn %lu waking output.\n", c->c_connid, 0, 0 ); + "connection_write conn %lu waking output.\n", c->c_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "connection_write(%d): waking output for id=%lu\n", @@ -1725,12 +1848,37 @@ int connection_write(ber_socket_t s) #endif ldap_pvt_thread_cond_signal( &c->c_write_cv ); - if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_READ, NULL ) ) + if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_READ, NULL ) ) { slapd_set_read( s, 1 ); - if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_WRITE, NULL ) ) + } + if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_WRITE, NULL ) ) { slapd_set_write( s, 1 ); + } connection_return( c ); ldap_pvt_thread_mutex_unlock( &connections_mutex ); return 0; } +void +connection_fake_init( + Connection *conn, + Operation *op, + void *ctx ) +{ + conn->c_connid = -1; + conn->c_send_ldap_result = slap_send_ldap_result; + conn->c_send_search_entry = slap_send_search_entry; + conn->c_send_search_reference = slap_send_search_reference; + conn->c_listener = (Listener *)&dummy_list; + conn->c_peer_name = slap_empty_bv; + + /* set memory context */ + op->o_tmpmemctx = sl_mem_create( SLMALLOC_SLAB_SIZE, ctx ); + op->o_tmpmfuncs = &sl_mfuncs; + op->o_threadctx = ctx; + + op->o_conn = conn; + op->o_connid = op->o_conn->c_connid; + + op->o_time = slap_get_time(); +}