+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* 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"
#include <stdio.h>
+#include <limits.h>
#include <ac/socket.h>
#include <ac/errno.h>
-#include <ac/signal.h>
#include <ac/string.h>
#include <ac/time.h>
+#include <ac/unistd.h>
+#include "ldap_pvt.h"
+#include "lutil.h"
#include "slap.h"
-/* we need LBER internals */
-#include "../../libraries/liblber/lber-int.h"
+#ifdef LDAP_SLAPI
+#include "slapi.h"
+#endif
/* protected by connections_mutex */
static ldap_pvt_thread_mutex_t connections_mutex;
#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 */
-char* connection_state2str( int state ) {
+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 "?";
static int connection_input( Connection *c );
static void connection_close( Connection *c );
-static int connection_op_activate( Connection *conn, Operation *op );
+static int connection_op_activate( Operation *op );
static int connection_resched( Connection *conn );
static void connection_abandon( Connection *conn );
static void connection_destroy( Connection *c );
-struct co_arg {
- Connection *co_conn;
- Operation *co_op;
-};
+static ldap_pvt_thread_start_t connection_operation;
/*
* Initialize connection management infrastructure.
assert( connections == NULL );
if( connections != NULL) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connections_init: already initialized.\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n",
0, 0, 0 );
+#endif
return -1;
}
/* should check return of every call */
ldap_pvt_thread_mutex_init( &connections_mutex );
- connections = (Connection *) calloc( dtblsize, sizeof(Connection) );
+ connections = (Connection *) ch_calloc( dtblsize, sizeof(Connection) );
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 );
+#else
Debug( LDAP_DEBUG_ANY,
- "connections_init: allocation (%d*%ld) of connection array failed.\n",
+ "connections_init: allocation (%d*%ld) of connection array failed\n",
dtblsize, (long) sizeof(Connection), 0 );
+#endif
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 );
/*
* per entry initialization of the Connection array initialization
/* should check return of every call */
if( connections == NULL) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connections_destroy: nothing to destroy.\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "connections_destroy: nothing to destroy.\n",
0, 0, 0 );
+#endif
return -1;
}
for ( i = 0; i < dtblsize; i++ ) {
if( connections[i].c_struct_state != SLAP_C_UNINITIALIZED ) {
+ ber_sockbuf_free( connections[i].c_sb );
ldap_pvt_thread_mutex_destroy( &connections[i].c_mutex );
ldap_pvt_thread_mutex_destroy( &connections[i].c_write_mutex );
ldap_pvt_thread_cond_destroy( &connections[i].c_write_cv );
+#ifdef LDAP_SLAPI
+ if ( slapi_plugins_used ) {
+ slapi_x_free_object_extensions( SLAPI_X_EXT_CONNECTION, &connections[i] );
+ }
+#endif
}
}
if( connections[i].c_struct_state != SLAP_C_USED ) {
continue;
}
+ /* give persistent clients a chance to cleanup */
+ if( connections[i].c_conn_state == SLAP_C_CLIENT ) {
+ ldap_pvt_thread_pool_submit( &connection_pool,
+ connections[i].c_clientfunc, connections[i].c_clientarg );
+ continue;
+ }
ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
int connindex;
Connection* c;
- ldap_pvt_thread_mutex_lock( &connections_mutex );
-
- for( c = connection_first( &connindex );
+ for( c = connection_first( &connindex );
c != NULL;
c = connection_next( c, &connindex ) )
{
+ /* Don't timeout a slow-running request or a persistent
+ * outbound connection */
+ if( c->c_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 );
}
connection_done( c );
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
-
return i;
}
Connection *c;
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ENTRY, "connection_get: socket %ld\n", (long)s, 0, 0 );
+#else
Debug( LDAP_DEBUG_ARGS,
"connection_get(%ld)\n",
(long) s, 0, 0 );
+#endif
assert( connections != NULL );
#else
c = NULL;
{
- ber_socket_t i;
+ ber_socket_t i, sd;
for(i=0; i<dtblsize; i++) {
if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
break;
}
+ ber_sockbuf_ctrl( connections[i].c_sb,
+ LBER_SB_OPT_GET_FD, &sd );
+
if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
assert( connections[i].c_conn_state == SLAP_C_INVALID );
- assert( !ber_pvt_sb_in_use( connections[i].c_sb ) );
+ assert( sd == AC_SOCKET_INVALID );
continue;
}
* so don't assert details here.
*/
- if( ber_pvt_sb_get_desc( connections[i].c_sb ) == s ) {
+ if( sd == s ) {
c = &connections[i];
break;
}
#endif
if( c != NULL ) {
+ ber_socket_t sd;
+
ldap_pvt_thread_mutex_lock( &c->c_mutex );
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
if( c->c_struct_state != SLAP_C_USED ) {
/* connection must have been closed due to resched */
assert( c->c_conn_state == SLAP_C_INVALID );
- assert( !ber_pvt_sb_in_use( c->c_sb ) );
+ assert( sd == AC_SOCKET_INVALID );
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ARGS,
+ "connection_get: connection %d not used\n", s, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_get(%d): connection not used.\n",
- s, c->c_connid, 0 );
+ "connection_get(%d): connection not used\n",
+ s, 0, 0 );
+#endif
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
return NULL;
}
+ if( c->c_conn_state == SLAP_C_CLIENT ) sd = 0;
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, RESULTS,
+ "connection_get: get for %d got connid %lu\n", s, c->c_connid, 0 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_get(%d): got connid=%ld\n",
+ "connection_get(%d): got connid=%lu\n",
s, c->c_connid, 0 );
+#endif
c->c_n_get++;
assert( c->c_struct_state == SLAP_C_USED );
assert( c->c_conn_state != SLAP_C_INVALID );
- assert( ber_pvt_sb_in_use( c->c_sb ) );
+ assert( sd != AC_SOCKET_INVALID );
- c->c_activitytime = slap_get_time();
+#ifdef SLAPD_MONITOR
+ c->c_activitytime = slap_get_time();
+#else
+ if( global_idletimeout > 0 ) {
+ c->c_activitytime = slap_get_time();
+ }
+#endif
}
return c;
long connection_init(
ber_socket_t s,
- const char* name,
- const char* addr,
- int use_tls)
+ Listener *listener,
+ const char* dnsname,
+ const char* peername,
+ int flags,
+ slap_ssf_t ssf,
+ const char *authid )
{
unsigned long id;
Connection *c;
+
assert( connections != NULL );
+ assert( listener != NULL );
+ assert( dnsname != NULL );
+ assert( peername != NULL );
+
+#ifndef HAVE_TLS
+ assert( flags != CONN_IS_TLS );
+#endif
+
if( s == AC_SOCKET_INVALID ) {
- Debug( LDAP_DEBUG_ANY,
- "connection_init(%ld): invalid.\n",
- (long) s, 0, 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 );
+#endif
return -1;
}
#else
{
- unsigned int i;
-
+ ber_socket_t i;
c = NULL;
- for( i=0; i < dtblsize; i++) {
- 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_UNUSED ) {
- assert( !ber_pvt_sb_in_use( connections[i].c_sb ));
- c = &connections[i];
- break;
- }
-
- assert( connections[i].c_struct_state == SLAP_C_USED );
- assert( connections[i].c_conn_state != SLAP_C_INVALID );
- assert( ber_pvt_sb_in_use( connections[i].c_sb ));
- }
-
- if( c == NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "connection_init(%d): connection table full (%d/%d).\n",
- s, i, dtblsize);
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
- return -1;
- }
- }
-#endif
-
- assert( c != NULL );
- assert( c->c_struct_state != SLAP_C_USED );
- assert( c->c_conn_state == SLAP_C_INVALID );
-
- if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
- c->c_dn = NULL;
- c->c_cdn = NULL;
- c->c_client_name = NULL;
- c->c_client_addr = NULL;
- c->c_ops = NULL;
- c->c_pending_ops = NULL;
- c->c_authmech = NULL;
- c->c_authstate = NULL;
-
- c->c_sb = ber_sockbuf_alloc( );
-
- /* should check status of thread calls */
- ldap_pvt_thread_mutex_init( &c->c_mutex );
- ldap_pvt_thread_mutex_init( &c->c_write_mutex );
- ldap_pvt_thread_cond_init( &c->c_write_cv );
-
- c->c_struct_state = SLAP_C_UNUSED;
- }
-
- ldap_pvt_thread_mutex_lock( &c->c_mutex );
-
- assert( c->c_struct_state == SLAP_C_UNUSED );
- assert( c->c_dn == NULL );
- assert( c->c_cdn == NULL );
- assert( c->c_client_name == NULL );
- assert( c->c_client_addr == NULL );
- assert( c->c_ops == NULL );
- assert( c->c_pending_ops == NULL );
- assert( c->c_authmech == NULL );
- assert( c->c_authstate == NULL );
-
- c->c_client_name = ch_strdup( name == NULL ? "" : name );
- c->c_client_addr = ch_strdup( addr );
-
- c->c_n_ops_received = 0;
- c->c_n_ops_executing = 0;
- c->c_n_ops_pending = 0;
- c->c_n_ops_completed = 0;
+ 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;
+ }
+
+ 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;
+ }
+
+ 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(%d): connection table full "
+ "(%d/%d)\n", s, i, dtblsize );
+#else
+ 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;
+ }
+ }
+#endif
+
+ assert( c != NULL );
+
+ if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
+ c->c_send_ldap_result = slap_send_ldap_result;
+ 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
+ c->c_send_ldap_intermediate = slap_send_ldap_intermediate;
+#endif
+
+ c->c_authmech.bv_val = NULL;
+ c->c_authmech.bv_len = 0;
+ c->c_dn.bv_val = NULL;
+ c->c_dn.bv_len = 0;
+ c->c_ndn.bv_val = NULL;
+ c->c_ndn.bv_len = 0;
+
+ c->c_listener = NULL;
+ c->c_peer_domain.bv_val = NULL;
+ c->c_peer_domain.bv_len = 0;
+ c->c_peer_name.bv_val = NULL;
+ c->c_peer_name.bv_len = 0;
+
+ LDAP_STAILQ_INIT(&c->c_ops);
+ LDAP_STAILQ_INIT(&c->c_pending_ops);
+
+ c->c_sasl_bind_mech.bv_val = NULL;
+ c->c_sasl_bind_mech.bv_len = 0;
+ c->c_sasl_done = 0;
+ c->c_sasl_authctx = NULL;
+ c->c_sasl_sockctx = NULL;
+ c->c_sasl_extra = NULL;
+ c->c_sasl_bindop = NULL;
+
+ c->c_sb = ber_sockbuf_alloc( );
+
+ {
+ ber_len_t max = sockbuf_max_incoming;
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
+ }
+
+ c->c_currentber = NULL;
+
+ /* should check status of thread calls */
+ ldap_pvt_thread_mutex_init( &c->c_mutex );
+ 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_x_create_object_extensions( SLAPI_X_EXT_CONNECTION, c );
+ }
+#endif
+
+ c->c_struct_state = SLAP_C_UNUSED;
+ }
+
+ 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_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 );
+ assert( c->c_sasl_sockctx == NULL );
+ 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;
+ 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_get = 0;
c->c_n_read = 0;
c->c_n_write = 0;
- c->c_activitytime = c->c_starttime = slap_get_time();
+ /* set to zero until bind, implies LDAP_VERSION3 */
+ c->c_protocol = 0;
- ber_pvt_sb_set_desc( c->c_sb, s );
- ber_pvt_sb_set_io( c->c_sb, &ber_pvt_sb_io_tcp, NULL );
+#ifdef SLAPD_MONITOR
+ c->c_activitytime = c->c_starttime = slap_get_time();
+#else
+ if( global_idletimeout > 0 ) {
+ c->c_activitytime = c->c_starttime = slap_get_time();
+ }
+#endif
- if( ber_pvt_sb_set_nonblock( c->c_sb, 1 ) < 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "connection_init(%d, %s, %s): set nonblocking failed\n",
- s, c->c_client_name, c->c_client_addr);
- }
+#ifdef LDAP_CONNECTIONLESS
+ c->c_is_udp = 0;
+ if( flags == CONN_IS_UDP ) {
+ c->c_is_udp = 1;
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void*)"udp_" );
+#endif
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_udp,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)&s );
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_readahead,
+ LBER_SBIOD_LEVEL_PROVIDER, NULL );
+ } else
+#endif
+ {
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void*)"tcp_" );
+#endif
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_tcp,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)&s );
+ }
- id = c->c_connid = conn_nextid++;
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
+ INT_MAX, (void*)"ldap_" );
+#endif
- c->c_conn_state = SLAP_C_INACTIVE;
- c->c_struct_state = SLAP_C_USED;
+ if( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_NONBLOCK,
+ c /* non-NULL */ ) < 0 )
+ {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "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",
+ s, c->c_peer_name.bv_val, 0 );
+#endif
+ }
+
+ id = c->c_connid = conn_nextid++;
+
+ 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 ( use_tls ) {
- /* FIXME: >0 means incomplete read */
- if ( ldap_pvt_tls_accept( c->c_sb, NULL ) < 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "connection_init(%d): TLS accept failed.\n",
- s, 0, 0);
- ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
- connection_destroy( c );
- return -1;
- }
- }
-#endif
-
- ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
-
- backend_connection_init(c);
-
- return id;
+ 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 );
+
+ backend_connection_init(c);
+
+ return id;
+}
+
+void connection2anonymous( Connection *c )
+{
+ assert( connections != NULL );
+ assert( c != NULL );
+
+ {
+ ber_len_t max = sockbuf_max_incoming;
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
+ }
+
+ if(c->c_authmech.bv_val != NULL ) {
+ free(c->c_authmech.bv_val);
+ c->c_authmech.bv_val = NULL;
+ }
+ c->c_authmech.bv_len = 0;
+
+ if(c->c_dn.bv_val != NULL) {
+ free(c->c_dn.bv_val);
+ c->c_dn.bv_val = NULL;
+ }
+ c->c_dn.bv_len = 0;
+ if(c->c_ndn.bv_val != NULL) {
+ free(c->c_ndn.bv_val);
+ c->c_ndn.bv_val = NULL;
+ }
+ c->c_ndn.bv_len = 0;
+
+ c->c_authz_backend = NULL;
}
static void
connection_destroy( Connection *c )
{
/* note: connections_mutex should be locked by caller */
+ 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( c->c_ops == NULL );
+ 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);
- backend_connection_destroy(c);
+ /* only for stats (print -1 as "%lu" may give unexpected results ;) */
+ connid = c->c_connid;
- c->c_protocol = 0;
+ backend_connection_destroy(c);
- c->c_activitytime = c->c_starttime = 0;
+ c->c_protocol = 0;
+ c->c_connid = -1;
- if(c->c_dn != NULL) {
- free(c->c_dn);
- c->c_dn = NULL;
- }
- if(c->c_cdn != NULL) {
- free(c->c_cdn);
- c->c_cdn = NULL;
+ c->c_activitytime = c->c_starttime = 0;
+
+ connection2anonymous( c );
+ c->c_listener = NULL;
+
+ if(c->c_peer_domain.bv_val != NULL) {
+ free(c->c_peer_domain.bv_val);
+ c->c_peer_domain.bv_val = NULL;
}
- if(c->c_client_name != NULL) {
- free(c->c_client_name);
- c->c_client_name = NULL;
+ c->c_peer_domain.bv_len = 0;
+ if(c->c_peer_name.bv_val != NULL) {
+ free(c->c_peer_name.bv_val);
+ c->c_peer_name.bv_val = NULL;
}
- if(c->c_client_addr != NULL) {
- free(c->c_client_addr);
- c->c_client_addr = NULL;
+ c->c_peer_name.bv_len = 0;
+
+ c->c_sasl_bind_in_progress = 0;
+ if(c->c_sasl_bind_mech.bv_val != NULL) {
+ free(c->c_sasl_bind_mech.bv_val);
+ c->c_sasl_bind_mech.bv_val = NULL;
}
- if(c->c_authmech != NULL ) {
- free(c->c_authmech);
- c->c_authmech = NULL;
+ c->c_sasl_bind_mech.bv_len = 0;
+
+ slap_sasl_close( c );
+
+ if ( c->c_currentber != NULL ) {
+ ber_free( c->c_currentber, 1 );
+ c->c_currentber = NULL;
}
- if(c->c_authstate != NULL ) {
- free(c->c_authstate);
- c->c_authstate = NULL;
+
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
+ if ( sd != AC_SOCKET_INVALID ) {
+ slapd_remove( sd, 1, 0 );
+
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu fd=%ld closed\n",
+ connid, (long) sd, 0, 0, 0 );
}
- if ( ber_pvt_sb_in_use(c->c_sb) ) {
- int sd = ber_pvt_sb_get_desc(c->c_sb);
+ ber_sockbuf_free( c->c_sb );
- slapd_remove( sd, 0 );
- ber_pvt_sb_close( c->c_sb );
+ c->c_sb = ber_sockbuf_alloc( );
- Statslog( LDAP_DEBUG_STATS,
- "conn=%d fd=%d closed.\n",
- c->c_connid, sd, 0, 0, 0 );
+ {
+ ber_len_t max = sockbuf_max_incoming;
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
}
- ber_pvt_sb_destroy( c->c_sb );
+ 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_x_clear_object_extensions( SLAPI_X_EXT_CONNECTION, c );
+ }
+#endif
}
int connection_state_closing( Connection *c )
Operation *o;
- for( o = c->c_ops; o != NULL; o = o->o_next ) {
- ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
+ LDAP_STAILQ_FOREACH(o, &c->c_ops, o_next) {
o->o_abandon = 1;
- ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
}
/* remove pending operations */
- for( o = slap_op_pop( &c->c_pending_ops );
- o != NULL;
- o = slap_op_pop( &c->c_pending_ops ) )
- {
+ while ( (o = LDAP_STAILQ_FIRST( &c->c_pending_ops )) != NULL) {
+ LDAP_STAILQ_REMOVE_HEAD( &c->c_pending_ops, o_next );
+ LDAP_STAILQ_NEXT(o, o_next) = NULL;
slap_op_free( o );
}
}
/* c_mutex must be locked by caller */
if( c->c_conn_state != SLAP_C_CLOSING ) {
+ ber_socket_t sd;
+ 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 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_closing: readying conn=%ld sd=%d for close.\n",
- c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
-
+ "connection_closing: readying conn=%lu sd=%d for close\n",
+ c->c_connid, sd, 0 );
+#endif
/* update state to closing */
c->c_conn_state = SLAP_C_CLOSING;
/* don't listen on this port anymore */
- slapd_clr_read( ber_pvt_sb_get_desc( c->c_sb ), 1 );
-
- /* shutdown I/O -- not yet implemented */
+ slapd_clr_read( sd, 1 );
/* abandon active operations */
connection_abandon( c );
/* wake write blocked operations */
- slapd_clr_write( ber_pvt_sb_get_desc(c->c_sb), 1 );
+ slapd_clr_write( sd, 1 );
ldap_pvt_thread_cond_signal( &c->c_write_cv );
}
}
static void connection_close( Connection *c )
{
+ ber_socket_t sd;
+
assert( connections != NULL );
assert( c != NULL );
assert( c->c_struct_state == SLAP_C_USED );
/* note: connections_mutex and c_mutex should be locked by caller */
- if( c->c_ops != NULL ) {
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
+ 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 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_close: deferring conn=%ld sd=%d.\n",
- c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
-
+ "connection_close: deferring conn=%lu sd=%d\n",
+ c->c_connid, sd, 0 );
+#endif
return;
}
- Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%ld sd=%d.\n",
- c->c_connid, ber_pvt_sb_get_desc( c->c_sb ), 0 );
-
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, RESULTS,
+ "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 );
+#endif
connection_destroy( c );
}
* calls the appropriate stub to handle it.
*/
+#ifdef SLAPD_MONITOR
+#define INCR_OP(var,index) \
+ do { \
+ ldap_pvt_thread_mutex_lock( &num_ops_mutex ); \
+ (var)[(index)]++; \
+ ldap_pvt_thread_mutex_unlock( &num_ops_mutex ); \
+ } while (0)
+#else /* !SLAPD_MONITOR */
+#define INCR_OP(var,index)
+#endif /* !SLAPD_MONITOR */
+
static void *
-connection_operation( void *arg_v )
+connection_operation( void *ctx, void *arg_v )
{
- int rc;
- struct co_arg *arg = arg_v;
- ber_tag_t tag = arg->co_op->o_tag;
- Connection *conn = arg->co_conn;
+ int rc = SLAPD_DISCONNECT;
+ Operation *op = arg_v;
+ SlapReply rs = {REP_RESULT};
+ ber_tag_t tag = op->o_tag;
+#ifdef SLAPD_MONITOR
+ ber_tag_t oldtag = tag;
+#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 );
num_ops_initiated++;
ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
+ op->o_threadctx = ctx;
+
+ if( conn->c_sasl_bind_in_progress && tag != LDAP_REQ_BIND ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "connection_operation: conn %lu SASL bind in progress (tag=%ld).\n",
+ conn->c_connid, (long)tag, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "connection_operation: "
+ "error: SASL bind in progress (tag=%ld).\n",
+ (long) tag, 0, 0 );
+#endif
+ send_ldap_error( op, &rs, LDAP_OPERATIONS_ERROR,
+ "SASL bind in progress" );
+ goto operations_error;
+ }
+
+ /* 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;
+#endif
+ memsiz = SLAB_SIZE;
+
+ memctx = sl_mem_create( memsiz, ctx );
+ op->o_tmpmemctx = memctx;
+ op->o_tmpmfuncs = &sl_mfuncs;
+ if ( tag != LDAP_REQ_ADD && tag != LDAP_REQ_MODIFY ) {
+ /* Note - the ber and its buffer are already allocated from
+ * regular memory; this only affects subsequent mallocs that
+ * ber_scanf may invoke.
+ */
+ ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx );
+ }
+
switch ( tag ) {
case LDAP_REQ_BIND:
- rc = do_bind( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_BIND);
+ rc = do_bind( op, &rs );
break;
case LDAP_REQ_UNBIND:
- rc = do_unbind( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_UNBIND);
+ rc = do_unbind( op, &rs );
break;
case LDAP_REQ_ADD:
- rc = do_add( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_ADD);
+ rc = do_add( op, &rs );
break;
case LDAP_REQ_DELETE:
- rc = do_delete( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_DELETE);
+ rc = do_delete( op, &rs );
break;
case LDAP_REQ_MODRDN:
- rc = do_modrdn( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_MODRDN);
+ rc = do_modrdn( op, &rs );
break;
case LDAP_REQ_MODIFY:
- rc = do_modify( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_MODIFY);
+ rc = do_modify( op, &rs );
break;
case LDAP_REQ_COMPARE:
- rc = do_compare( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_COMPARE);
+ rc = do_compare( op, &rs );
break;
case LDAP_REQ_SEARCH:
- rc = do_search( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_SEARCH);
+ rc = do_search( op, &rs );
break;
case LDAP_REQ_ABANDON:
- rc = do_abandon( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_ABANDON);
+ rc = do_abandon( op, &rs );
break;
case LDAP_REQ_EXTENDED:
- rc = do_extended( conn, arg->co_op );
+ INCR_OP(num_ops_initiated_, SLAP_OP_EXTENDED);
+ rc = do_extended( op, &rs );
break;
default:
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "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 );
- arg->co_op->o_tag = LBER_ERROR;
- send_ldap_disconnect( conn, arg->co_op,
- LDAP_PROTOCOL_ERROR, "unknown LDAP request" );
+ tag, 0, 0 );
+#endif
+ op->o_tag = LBER_ERROR;
+ rs.sr_err = LDAP_PROTOCOL_ERROR;
+ rs.sr_text = "unknown LDAP request";
+ send_ldap_disconnect( op, &rs );
rc = -1;
break;
}
- if( rc == -1 ) tag = LBER_ERROR;
+#ifdef SLAPD_MONITOR
+ oldtag = tag;
+#endif /* SLAPD_MONITOR */
+ if( rc == SLAPD_DISCONNECT ) tag = LBER_ERROR;
+operations_error:
ldap_pvt_thread_mutex_lock( &num_ops_mutex );
num_ops_completed++;
+#ifdef SLAPD_MONITOR
+ switch (oldtag) {
+ case LDAP_REQ_BIND:
+ num_ops_completed_[SLAP_OP_BIND]++;
+ break;
+ case LDAP_REQ_UNBIND:
+ num_ops_completed_[SLAP_OP_UNBIND]++;
+ break;
+ case LDAP_REQ_ADD:
+ num_ops_completed_[SLAP_OP_ADD]++;
+ break;
+ case LDAP_REQ_DELETE:
+ num_ops_completed_[SLAP_OP_DELETE]++;
+ break;
+ case LDAP_REQ_MODRDN:
+ num_ops_completed_[SLAP_OP_MODRDN]++;
+ break;
+ case LDAP_REQ_MODIFY:
+ num_ops_completed_[SLAP_OP_MODIFY]++;
+ break;
+ case LDAP_REQ_COMPARE:
+ num_ops_completed_[SLAP_OP_COMPARE]++;
+ break;
+ case LDAP_REQ_SEARCH:
+ num_ops_completed_[SLAP_OP_SEARCH]++;
+ break;
+ case LDAP_REQ_ABANDON:
+ num_ops_completed_[SLAP_OP_ABANDON]++;
+ break;
+ case LDAP_REQ_EXTENDED:
+ num_ops_completed_[SLAP_OP_EXTENDED]++;
+ break;
+ }
+#endif /* SLAPD_MONITOR */
ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+#ifdef LDAP_EXOP_X_CANCEL
+ if ( op->o_cancel == SLAP_CANCEL_REQ ) {
+ op->o_cancel = LDAP_TOO_LATE;
+ }
- conn->c_n_ops_executing--;
- conn->c_n_ops_completed++;
+ while ( op->o_cancel != SLAP_CANCEL_NONE &&
+ op->o_cancel != SLAP_CANCEL_DONE )
+ {
+ ldap_pvt_thread_yield();
+ }
+#endif
+
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- slap_op_remove( &conn->c_ops, arg->co_op );
- slap_op_free( arg->co_op );
- arg->co_op = NULL;
- arg->co_conn = NULL;
- free( (char *) arg );
- arg = NULL;
+ ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx_null );
+
+ if ( op->o_cancel != SLAP_CANCEL_ACK &&
+ ( op->o_sync_mode & SLAP_SYNC_PERSIST ) ) {
+ sl_mem_detach( ctx, memctx );
+ } else if (( op->o_sync_slog_size != -1 )) {
+ sl_mem_detach( ctx, memctx );
+ 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++;
+ }
switch( tag ) {
case LBER_ERROR:
break;
case LDAP_REQ_BIND:
+ conn->c_sasl_bind_in_progress =
+ rc == LDAP_SASL_BIND_IN_PROGRESS ? 1 : 0;
+
if( conn->c_conn_state == SLAP_C_BINDING) {
conn->c_conn_state = SLAP_C_ACTIVE;
}
- conn->c_bind_in_progress = ( rc == LDAP_SASL_BIND_IN_PROGRESS );
}
- ldap_pvt_thread_mutex_lock( &active_threads_mutex );
- active_threads--;
- if( active_threads < 1 ) {
- ldap_pvt_thread_cond_signal(&active_threads_cond);
- }
- ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
-
connection_resched( conn );
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
return NULL;
}
+int connection_client_setup(
+ ber_socket_t s,
+ Listener *l,
+ ldap_pvt_thread_start_t *func,
+ void *arg )
+{
+ Connection *c;
+
+ if ( connection_init( s, l, "", "", CONN_IS_CLIENT, 0, "" ) < 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;
Connection *c;
+
assert( connections != NULL );
ldap_pvt_thread_mutex_lock( &connections_mutex );
c = connection_get( s );
if( c == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connection_read: sock %ld no connection\n", (long)s, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY,
"connection_read(%ld): no connection!\n",
(long) s, 0, 0 );
-
- slapd_remove(s, 0);
+#endif
+ slapd_remove(s, 1, 0);
ldap_pvt_thread_mutex_unlock( &connections_mutex );
return -1;
c->c_n_read++;
if( c->c_conn_state == SLAP_C_CLOSING ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connection_read: conn %lu connection closing, ignoring input\n",
+ c->c_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_read(%d): closing, ignoring input for id=%ld\n",
+ "connection_read(%d): closing, ignoring input for id=%lu\n",
s, c->c_connid, 0 );
+#endif
+ connection_return( c );
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+ 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 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_read(%d): checking for input on id=%ld\n",
+ "connection_read(%d): checking for input on id=%lu\n",
s, c->c_connid, 0 );
+#endif
-#define CONNECTION_INPUT_LOOP 1
+#ifdef HAVE_TLS
+ if ( c->c_is_tls && c->c_needs_tls_accept ) {
+ rc = ldap_pvt_tls_accept( c->c_sb, NULL );
+ if ( rc < 0 ) {
+#if 0 /* required by next #if 0 */
+ struct timeval tv;
+ fd_set rfd;
+#endif
-#ifdef DATA_READY_LOOP
- while(!rc && ber_pvt_sb_data_ready(&c->c_sb))
-#elif CONNECTION_INPUT_LOOP
- while(!rc)
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "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 "
+ "error=%d id=%lu, closing\n",
+ s, rc, c->c_connid );
+#endif
+ c->c_needs_tls_accept = 0;
+ /* connections_mutex and c_mutex are locked */
+ connection_closing( c );
+
+#if 0
+ /* Drain input before close, to allow SSL error codes
+ * to propagate to client. */
+ 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) {
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DRAIN, NULL);
+ }
+ }
+#endif
+ connection_close( c );
+
+ } else if ( rc == 0 ) {
+ void *ssl;
+ struct berval authid = { 0, NULL };
+
+ c->c_needs_tls_accept = 0;
+
+ /* we need to let SASL know */
+ ssl = ldap_pvt_tls_sb_ctx( c->c_sb );
+
+ c->c_tls_ssf = (slap_ssf_t) ldap_pvt_tls_get_strength( ssl );
+ if( c->c_tls_ssf > c->c_ssf ) {
+ c->c_ssf = c->c_tls_ssf;
+ }
+
+ rc = dnX509peerNormalize( ssl, &authid );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connection_read: conn %lu unable to get TLS client DN, "
+ "error %d\n", c->c_connid, rc, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "connection_read(%d): unable to get TLS client DN "
+ "error=%d id=%lu\n",
+ 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 );
+ }
+
+ /* if success and data is ready, fall thru to data input loop */
+ if( rc != 0 ||
+ !ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) )
+ {
+ connection_return( c );
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+ return 0;
+ }
+ }
+#endif
+
+#ifdef HAVE_CYRUS_SASL
+ if ( c->c_sasl_layers ) {
+ /* If previous layer is not removed yet, give up for now */
+ if ( !c->c_sasl_sockctx ) {
+ connection_return( c );
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+ return 0;
+ }
+
+ c->c_sasl_layers = 0;
+
+ rc = ldap_pvt_sasl_install( c->c_sb, c->c_sasl_sockctx );
+
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "connection_read: conn %lu SASL install error %d, closing\n",
+ c->c_connid, rc, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "connection_read(%d): SASL install error "
+ "error=%d id=%lu, closing\n",
+ s, rc, c->c_connid );
+#endif
+ /* connections_mutex and c_mutex are locked */
+ connection_closing( c );
+ connection_close( c );
+ connection_return( c );
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+ return 0;
+ }
+ }
+#endif
+
+#define CONNECTION_INPUT_LOOP 1
+/* #define DATA_READY_LOOP 1 */
+
+ 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 ) );
+#elif CONNECTION_INPUT_LOOP
+ while(!rc);
+#else
+ while(0);
+#endif
if( rc < 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "connection_read: conn %lu input error %d, closing.\n",
+ c->c_connid, rc, 0 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_read(%d): input error=%d id=%ld, closing.\n",
+ "connection_read(%d): input error=%d id=%lu, closing.\n",
s, rc, c->c_connid );
-
+#endif
/* connections_mutex and c_mutex are locked */
connection_closing( c );
connection_close( c );
+ connection_return( c );
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+ return 0;
+ }
+
+ 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 ) ) {
+ slapd_set_write( s, 1 );
}
connection_return( c );
static int
connection_input(
- Connection *conn
+ Connection *conn
)
{
Operation *op;
ber_len_t len;
ber_int_t msgid;
BerElement *ber;
+ int rc;
+#ifdef LDAP_CONNECTIONLESS
+ Sockaddr peeraddr;
+ char *cdn = NULL;
+#endif
- if ( conn->c_currentber == NULL && (conn->c_currentber = ber_alloc())
- == 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",
+ conn->c_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
+#endif
return -1;
}
errno = 0;
- if ( (tag = ber_get_next( conn->c_sb, &len, conn->c_currentber ))
- != LDAP_TAG_MESSAGE )
- {
+
+#ifdef LDAP_CONNECTIONLESS
+ if ( conn->c_is_udp ) {
+ char peername[sizeof("IP=255.255.255.255:65336")];
+ len = ber_int_sb_read(conn->c_sb, &peeraddr,
+ sizeof(struct sockaddr));
+ if (len != sizeof(struct sockaddr))
+ return 1;
+ sprintf( peername, "IP=%s:%d",
+ inet_ntoa( peeraddr.sa_in_addr.sin_addr ),
+ (unsigned) ntohs( peeraddr.sa_in_addr.sin_port ) );
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu UDP request from %s (%s) accepted.\n",
+ conn->c_connid, peername, conn->c_sock_name.bv_val, 0, 0 );
+ }
+#endif
+ tag = ber_get_next( conn->c_sb, &len, conn->c_currentber );
+ if ( tag != LDAP_TAG_MESSAGE ) {
int err = errno;
+ ber_socket_t sd;
- Debug( LDAP_DEBUG_TRACE,
- "ber_get_next on fd %d failed errno %d (%s)\n",
- ber_pvt_sb_get_desc( conn->c_sb ), err,
- err > -1 && err < sys_nerr ? sys_errlist[err] : "unknown" );
- Debug( LDAP_DEBUG_TRACE,
- "\t*** got %ld of %lu so far\n",
- (long)(conn->c_currentber->ber_rwptr - conn->c_currentber->ber_buf),
- conn->c_currentber->ber_len, 0 );
+ ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "connection_input: conn %lu ber_get_next failed, errno %d (%s).\n",
+ conn->c_connid, err, sock_errstr(err) );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "ber_get_next on fd %d failed errno=%d (%s)\n",
+ sd, err, sock_errstr(err) );
+#endif
if ( err != EWOULDBLOCK && err != EAGAIN ) {
/* log, close and send error */
ber_free( conn->c_currentber, 1 );
if ( (tag = ber_get_int( ber, &msgid )) != LDAP_TAG_MSGID ) {
/* log, close and send error */
- Debug( LDAP_DEBUG_ANY, "ber_get_int returns 0x%lx\n", tag, 0,
- 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "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 );
+#endif
ber_free( ber, 1 );
return -1;
}
if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
/* log, close and send error */
- Debug( LDAP_DEBUG_ANY, "ber_peek_tag returns 0x%lx\n", tag, 0,
- 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "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 );
+#endif
ber_free( ber, 1 );
return -1;
}
+#ifdef LDAP_CONNECTIONLESS
+ if( conn->c_is_udp ) {
+ if( tag == LBER_OCTETSTRING ) {
+ ber_get_stringa( ber, &cdn );
+ tag = ber_peek_tag(ber, &len);
+ }
+ 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 );
+#else
+ Debug( LDAP_DEBUG_ANY, "invalid req for UDP 0x%lx\n", tag, 0, 0 );
+#endif
+ ber_free( ber, 1 );
+ return 0;
+ }
+ }
+#endif
if(tag == LDAP_REQ_BIND) {
/* immediately abandon all exiting operations upon BIND */
connection_abandon( conn );
op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
- if ( conn->c_conn_state == SLAP_C_BINDING
- || conn->c_conn_state == SLAP_C_CLOSING )
+ op->o_conn = conn;
+ op->o_assertion = NULL;
+ op->o_preread_attrs = NULL;
+ op->o_postread_attrs = NULL;
+ op->o_vrFilter = NULL;
+
+#ifdef LDAP_CONTROL_PAGEDRESULTS
+ 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;
+ }
+ op->o_res_ber = ber_alloc_t( LBER_USE_DER );
+ if (op->o_res_ber == NULL) return 1;
+
+ 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",
+ conn->c_connid, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
+#endif
+ return 1;
+ }
+
+ if (op->o_protocol == LDAP_VERSION2) {
+ rc = ber_printf(op->o_res_ber, "{is{" /*}}*/, op->o_msgid, "");
+ if (rc == -1) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "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 );
+#endif
+ return rc;
+ }
+ }
+ }
+#endif /* LDAP_CONNECTIONLESS */
+
+ rc = 0;
+
+ /* Don't process requests when the conn is in the middle of a
+ * 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.
+ *
+ * But always allow Abandon through; it won't cost much.
+ */
+ if ( tag != LDAP_REQ_ABANDON && (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))
{
- Debug( LDAP_DEBUG_ANY, "deferring operation\n", 0, 0, 0 );
+ 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 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "connection_input: conn=%lu deferring operation\n",
+ conn->c_connid, 0, 0 );
+#endif
conn->c_n_ops_pending++;
- slap_op_add( &conn->c_pending_ops, op );
-
+ LDAP_STAILQ_INSERT_TAIL( &conn->c_pending_ops, op, o_next );
+ if ( conn->c_n_ops_pending > max ) {
+ rc = -1;
+ } else {
+ rc = 1;
+ }
} else {
conn->c_n_ops_executing++;
- connection_op_activate( conn, op );
+ connection_op_activate( op );
}
#ifdef NO_THREADS
#endif
assert( conn->c_struct_state == SLAP_C_USED );
- return 0;
+ return rc;
}
static int
Operation *op;
if( conn->c_conn_state == SLAP_C_CLOSING ) {
- Debug( LDAP_DEBUG_TRACE,
- "connection_resched: attempting closing conn=%ld sd=%d.\n",
- conn->c_connid, ber_pvt_sb_get_desc( conn->c_sb ), 0 );
+ int rc;
+ ber_socket_t sd;
+ ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
+
+ /* us trylock to avoid possible deadlock */
+ rc = ldap_pvt_thread_mutex_trylock( &connections_mutex );
+
+ if( rc ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, DETAIL1,
+ "connection_resched: conn %lu reaquiring locks.\n",
+ conn->c_connid, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "connection_resched: reaquiring locks conn=%lu sd=%d\n",
+ conn->c_connid, sd, 0 );
+#endif
+ /*
+ * reaquire locks in the right order...
+ * this may allow another thread to close this connection,
+ * so recheck state below.
+ */
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ ldap_pvt_thread_mutex_lock( &connections_mutex );
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ }
+
+ if( conn->c_conn_state != SLAP_C_CLOSING ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO,
+ "connection_resched: conn %lu closed by other thread.\n",
+ conn->c_connid, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "connection_resched: "
+ "closed by other thread conn=%lu sd=%d\n",
+ conn->c_connid, sd, 0 );
+#endif
+ } else {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, DETAIL1,
+ "connection_resched: conn %lu attempting closing.\n",
+ conn->c_connid, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "connection_resched: "
+ "attempting closing conn=%lu sd=%d\n",
+ conn->c_connid, sd, 0 );
+#endif
+ connection_close( conn );
+ }
- connection_close( conn );
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
return 0;
}
- if( conn->c_conn_state != SLAP_C_ACTIVE ) {
+ if( conn->c_conn_state != SLAP_C_ACTIVE || conn->c_writewaiter ) {
/* other states need different handling */
return 0;
}
- for( op = slap_op_pop( &conn->c_pending_ops );
- op != NULL;
- op = slap_op_pop( &conn->c_pending_ops ) )
- {
+ while ((op = LDAP_STAILQ_FIRST( &conn->c_pending_ops )) != NULL) {
+ if ( conn->c_n_ops_executing > connection_pool_max/2 ) {
+ break;
+ }
+ LDAP_STAILQ_REMOVE_HEAD( &conn->c_pending_ops, o_next );
+ LDAP_STAILQ_NEXT(op, o_next) = NULL;
/* pending operations should not be marked for abandonment */
assert(!op->o_abandon);
conn->c_n_ops_pending--;
conn->c_n_ops_executing++;
- connection_op_activate( conn, op );
+ connection_op_activate( op );
if ( conn->c_conn_state == SLAP_C_BINDING ) {
break;
return 0;
}
-static int connection_op_activate( Connection *conn, Operation *op )
+static int connection_op_activate( Operation *op )
{
- struct co_arg *arg;
- char *tmpdn;
int status;
ber_tag_t tag = op->o_tag;
if(tag == LDAP_REQ_BIND) {
- conn->c_conn_state = SLAP_C_BINDING;
+ op->o_conn->c_conn_state = SLAP_C_BINDING;
}
- if ( conn->c_dn != NULL ) {
- tmpdn = ch_strdup( conn->c_dn );
- } else {
- tmpdn = NULL;
+ 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 );
}
-
- arg = (struct co_arg *) ch_malloc( sizeof(struct co_arg) );
- arg->co_conn = conn;
- arg->co_op = op;
-
- arg->co_op->o_bind_in_progress = conn->c_bind_in_progress;
-
- arg->co_op->o_dn = ch_strdup( tmpdn != NULL ? tmpdn : "" );
- arg->co_op->o_ndn = dn_normalize_case( ch_strdup( arg->co_op->o_dn ) );
-
- arg->co_op->o_protocol = conn->c_protocol;
-
- arg->co_op->o_authtype = conn->c_authtype;
- arg->co_op->o_authmech = conn->c_authmech != NULL
- ? ch_strdup( conn->c_authmech ) : NULL;
+ op->o_authtype = op->o_conn->c_authtype;
+ ber_dupbv( &op->o_authmech, &op->o_conn->c_authmech );
- slap_op_add( &conn->c_ops, arg->co_op );
-
- if( tmpdn != NULL ) {
- free( tmpdn );
+ if (!op->o_protocol) {
+ 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_conn->c_conn_state = SLAP_C_ACTIVE;
}
- ldap_pvt_thread_mutex_lock( &active_threads_mutex );
- active_threads++;
- ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
+ op->o_connid = op->o_conn->c_connid;
- status = ldap_pvt_thread_create( &arg->co_op->o_tid, 1,
- connection_operation, (void *) arg );
+ LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op, o_next );
+
+ status = ldap_pvt_thread_pool_submit( &connection_pool,
+ connection_operation, (void *) op );
if ( status != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "connection_op_activate: conn %lu thread pool submit failed.\n",
+ op->o_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY,
- "ldap_pvt_thread_create 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 */
}
int connection_write(ber_socket_t s)
{
Connection *c;
+
assert( connections != NULL );
ldap_pvt_thread_mutex_lock( &connections_mutex );
slapd_clr_write( s, 0);
if( c == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, ERR,
+ "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 );
- slapd_remove(s, 0);
+ (long)s, 0, 0 );
+#endif
+ slapd_remove(s, 1, 0);
ldap_pvt_thread_mutex_unlock( &connections_mutex );
return -1;
}
c->c_n_write++;
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, DETAIL1,
+ "connection_write conn %lu waking output.\n", c->c_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE,
- "connection_write(%d): waking output for id=%ld\n",
+ "connection_write(%d): waking output for id=%lu\n",
s, c->c_connid, 0 );
-
+#endif
ldap_pvt_thread_cond_signal( &c->c_write_cv );
+ 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 ) ) {
+ slapd_set_write( s, 1 );
+ }
connection_return( c );
ldap_pvt_thread_mutex_unlock( &connections_mutex );
return 0;
}
+