]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap/result.c
ITS#6689
[openldap] / libraries / libldap / result.c
index 70cabc56cf499c8c1f7025599ab143fa52590b86..05580b793cfa8215566cb412215f35021927bf8b 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2007 The OpenLDAP Foundation.
+ * Copyright 1998-2010 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -71,7 +71,7 @@ static int ldap_mark_abandoned LDAP_P(( LDAP *ld, ber_int_t msgid, int idx ));
 static int wait4msg LDAP_P(( LDAP *ld, ber_int_t msgid, int all, struct timeval *timeout,
        LDAPMessage **result ));
 static ber_tag_t try_read1msg LDAP_P(( LDAP *ld, ber_int_t msgid,
-       int all, LDAPConn **lc, LDAPMessage **result ));
+       int all, LDAPConn *lc, LDAPMessage **result ));
 static ber_tag_t build_result_ber LDAP_P(( LDAP *ld, BerElement **bp, LDAPRequest *lr ));
 static void merge_error_info LDAP_P(( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr ));
 static LDAPMessage * chkResponseList LDAP_P(( LDAP *ld, int msgid, int all));
@@ -106,7 +106,6 @@ ldap_result(
        struct timeval *timeout,
        LDAPMessage **result )
 {
-       LDAPMessage     *lm = NULL;
        int             rc;
 
        assert( ld != NULL );
@@ -118,19 +117,7 @@ ldap_result(
        ldap_pvt_thread_mutex_lock( &ld->ld_res_mutex );
 #endif
 
-#if 0
-       /* this is already done inside wait4msg(), right?... */
-       lm = chkResponseList( ld, msgid, all );
-#endif
-
-       if ( lm == NULL ) {
-               rc = wait4msg( ld, msgid, all, timeout, result );
-
-       } else {
-               *result = lm;
-               ld->ld_errno = LDAP_SUCCESS;
-               rc = lm->lm_msgtype;
-       }
+       rc = wait4msg( ld, msgid, all, timeout, result );
 
 #ifdef LDAP_R_COMPILE
        ldap_pvt_thread_mutex_unlock( &ld->ld_res_mutex );
@@ -244,7 +231,7 @@ chkResponseList(
                        "ldap_chkResponseList returns ld %p NULL\n", (void *)ld, 0, 0);
        } else {
                Debug( LDAP_DEBUG_TRACE,
-                       "ldap_chkResponseList returns ld %p msgid %d, type 0x%02lu\n",
+                       "ldap_chkResponseList returns ld %p msgid %d, type 0x%02lx\n",
                        (void *)ld, lm->lm_msgid, (unsigned long)lm->lm_msgtype );
        }
 #endif
@@ -263,9 +250,8 @@ wait4msg(
        int             rc;
        struct timeval  tv = { 0 },
                        tv0 = { 0 },
-                       *tvp;
-       time_t          start_time = 0;
-       time_t          tmp_time;
+                       start_time_tv = { 0 },
+                       *tvp = NULL;
        LDAPConn        *lc;
 
        assert( ld != NULL );
@@ -275,6 +261,11 @@ wait4msg(
        LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex );
 #endif
 
+       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",
@@ -285,13 +276,16 @@ wait4msg(
        }
 #endif /* LDAP_DEBUG */
 
-       if ( timeout == NULL ) {
-               tvp = NULL;
-       } else {
+       if ( timeout != NULL && timeout->tv_sec != -1 ) {
                tv0 = *timeout;
                tv = *timeout;
                tvp = &tv;
-               start_time = time( NULL );
+#ifdef HAVE_GETTIMEOFDAY
+               gettimeofday( &start_time_tv, NULL );
+#else /* ! HAVE_GETTIMEOFDAY */
+               time( &start_time_tv.tv_sec );
+               start_time_tv.tv_usec = 0;
+#endif /* ! HAVE_GETTIMEOFDAY */
        }
                    
        rc = LDAP_MSG_X_KEEP_LOOKING;
@@ -315,7 +309,7 @@ wait4msg(
                }
 #endif /* LDAP_DEBUG */
 
-               if ( ( *result = chkResponseList( ld, msgid, all ) ) != NULL ) {
+               if ( ( *result = chkResponseList( ld, msgid, all ) ) != NULL ) {
                        rc = (*result)->lm_msgtype;
 
                } else {
@@ -328,13 +322,6 @@ wait4msg(
                                if ( ber_sockbuf_ctrl( lc->lconn_sb,
                                        LBER_SB_OPT_DATA_READY, NULL ) )
                                {
-#ifdef LDAP_R_COMPILE
-                                       ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex );
-#endif
-                                       rc = try_read1msg( ld, msgid, all, &lc, result );
-#ifdef LDAP_R_COMPILE
-                                       ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex );
-#endif
                                        lc_ready = 1;
                                        break;
                                }
@@ -343,19 +330,21 @@ wait4msg(
                        ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex );
 #endif
 
-                       if ( !lc_ready ) {
+                       if ( !lc_ready ) {
+                               int err;
                                rc = ldap_int_select( ld, tvp );
-#ifdef LDAP_DEBUG
                                if ( rc == -1 ) {
+                                       err = sock_errno();
+#ifdef LDAP_DEBUG
                                        Debug( LDAP_DEBUG_TRACE,
                                                "ldap_int_select returned -1: errno %d\n",
-                                               sock_errno(), 0, 0 );
-                               }
+                                               err, 0, 0 );
 #endif
+                               }
 
                                if ( rc == 0 || ( rc == -1 && (
                                        !LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART)
-                                               || sock_errno() != EINTR ) ) )
+                                               || err != EINTR ) ) )
                                {
                                        ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
                                                LDAP_TIMEOUT);
@@ -366,70 +355,110 @@ wait4msg(
                                        rc = LDAP_MSG_X_KEEP_LOOKING;   /* select interrupted: loop */
 
                                } else {
-                                       rc = LDAP_MSG_X_KEEP_LOOKING;
+                                       lc_ready = 1;
+                               }
+                       }
+                       if ( lc_ready ) {
+                               LDAPConn *lnext;
+                               rc = LDAP_MSG_X_KEEP_LOOKING;
 #ifdef LDAP_R_COMPILE
-                                       ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
+                               ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
 #endif
-                                       if ( ld->ld_requests &&
-                                               ld->ld_requests->lr_status == LDAP_REQST_WRITING &&
-                                               ldap_is_write_ready( ld,
-                                                       ld->ld_requests->lr_conn->lconn_sb ) )
-                                       {
-                                               ldap_int_flush_request( ld, ld->ld_requests );
-                                       }
+                               if ( ld->ld_requests &&
+                                       ld->ld_requests->lr_status == LDAP_REQST_WRITING &&
+                                       ldap_is_write_ready( ld,
+                                               ld->ld_requests->lr_conn->lconn_sb ) )
+                               {
+                                       ldap_int_flush_request( ld, ld->ld_requests );
+                               }
 #ifdef LDAP_R_COMPILE
-                                       ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
-                                       ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex );
+                               ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
+                               ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex );
 #endif
-                                       for ( lc = ld->ld_conns;
-                                               rc == LDAP_MSG_X_KEEP_LOOKING && lc != NULL; )
+                               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 ) )
                                        {
-                                               if ( lc->lconn_status == LDAP_CONNST_CONNECTED &&
-                                                       ldap_is_read_ready( ld, lc->lconn_sb ) )
-                                               {
+                                               /* Don't let it get freed out from under us */
+                                               ++lc->lconn_refcnt;
 #ifdef LDAP_R_COMPILE
-                                                       ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex );
+                                               ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex );
 #endif
-                                                       rc = try_read1msg( ld, msgid, all, &lc, result );
+                                               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 ) {
 #ifdef LDAP_R_COMPILE
-                                                       ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex );
+                                                       ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
 #endif
-                                                       if ( lc == NULL ) {
-                                                               /* if lc gets free()'d,
-                                                                * there's no guarantee
-                                                                * lc->lconn_next is still
-                                                                * sane; better restart
-                                                                * (ITS#4405) */
-                                                               lc = ld->ld_conns;
-
-                                                               /* don't get to next conn! */
-                                                               break;
-                                                       }
+                                                       ldap_free_connection( ld, lc, 0, 1 );
+#ifdef LDAP_R_COMPILE
+                                                       ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
+#endif
+                                               } else {
+                                                       --lc->lconn_refcnt;
                                                }
-
-                                               /* next conn */
-                                               lc = lc->lconn_next;
-                                       }
 #ifdef LDAP_R_COMPILE
-                                       ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex );
+                                               ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex );
 #endif
+                                       } else {
+                                               lnext = lc->lconn_next;
+                                       }
                                }
+#ifdef LDAP_R_COMPILE
+                               ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex );
+#endif
                        }
                }
 
                if ( rc == LDAP_MSG_X_KEEP_LOOKING && tvp != NULL ) {
-                       tmp_time = time( NULL );
-                       tv0.tv_sec -= ( tmp_time - start_time );
-                       if ( tv0.tv_sec <= 0 ) {
-                               rc = 0; /* timed out */
+                       struct timeval  curr_time_tv = { 0 },
+                                       delta_time_tv = { 0 };
+
+#ifdef HAVE_GETTIMEOFDAY
+                       gettimeofday( &curr_time_tv, NULL );
+#else /* ! HAVE_GETTIMEOFDAY */
+                       time( &curr_time_tv.tv_sec );
+                       curr_time_tv.tv_usec = 0;
+#endif /* ! HAVE_GETTIMEOFDAY */
+
+                       /* 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 secs to go\n",
-                               (void *)ld, (long) tv.tv_sec, 0 );
-                       start_time = tmp_time;
+                       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;
                }
        }
 
@@ -442,7 +471,7 @@ try_read1msg(
        LDAP *ld,
        ber_int_t msgid,
        int all,
-       LDAPConn **lcp,
+       LDAPConn *lc,
        LDAPMessage **result )
 {
        BerElement      *ber;
@@ -453,9 +482,8 @@ try_read1msg(
        ber_len_t       len;
        int             foundit = 0;
        LDAPRequest     *lr, *tmplr, dummy_lr = { 0 };
-       LDAPConn        *lc;
        BerElement      tmpber;
-       int             rc, refer_cnt, hadref, simple_request;
+       int             rc, refer_cnt, hadref, simple_request, err;
        ber_int_t       lderr;
 
 #ifdef LDAP_CONNECTIONLESS
@@ -464,8 +492,7 @@ try_read1msg(
 #endif
 
        assert( ld != NULL );
-       assert( lcp != NULL );
-       assert( *lcp != NULL );
+       assert( lc != NULL );
        
 #ifdef LDAP_R_COMPILE
        LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex );
@@ -474,8 +501,6 @@ try_read1msg(
        Debug( LDAP_DEBUG_TRACE, "read1msg: ld %p msgid %d all %d\n",
                (void *)ld, msgid, all );
 
-       lc = *lcp;
-
 retry:
        if ( lc->lconn_ber == NULL ) {
                lc->lconn_ber = ldap_alloc_ber_with_options( ld );
@@ -509,17 +534,20 @@ nextresp3:
                break;
 
        case LBER_DEFAULT:
+               err = sock_errno();
 #ifdef LDAP_DEBUG                 
                Debug( LDAP_DEBUG_CONNS,
                        "ber_get_next failed.\n", 0, 0, 0 );
 #endif            
 #ifdef EWOULDBLOCK                     
-               if ( sock_errno() == EWOULDBLOCK ) return LDAP_MSG_X_KEEP_LOOKING;
+               if ( err == EWOULDBLOCK ) return LDAP_MSG_X_KEEP_LOOKING;
 #endif
 #ifdef EAGAIN
-               if ( sock_errno() == EAGAIN ) return LDAP_MSG_X_KEEP_LOOKING;
+               if ( err == EAGAIN ) return LDAP_MSG_X_KEEP_LOOKING;
 #endif
                ld->ld_errno = LDAP_SERVER_DOWN;
+               --lc->lconn_refcnt;
+               lc->lconn_status = 0;
                return -1;
 
        default:
@@ -536,6 +564,11 @@ nextresp3:
 
        /* id == 0 iff unsolicited notification message (RFC 4511) */
 
+       /* id < 0 is invalid, just toss it. FIXME: should we disconnect? */
+       if ( id < 0 ) {
+               goto retry_ber;
+       }
+       
        /* if it's been abandoned, toss it */
        if ( id > 0 ) {
                if ( ldap_abandoned( ld, id, &idx ) ) {
@@ -556,8 +589,8 @@ nextresp3:
                        }
 
                        Debug( LDAP_DEBUG_ANY,
-                               "abandoned/discarded ld %p msgid %ld message type %s\n",
-                               (void *)ld, (long)id, ldap_int_msgtype2str( tag ) );
+                               "abandoned/discarded ld %p msgid %d message type %s\n",
+                               (void *)ld, id, ldap_int_msgtype2str( tag ) );
 
 retry_ber:
                        ber_free( ber, 1 );
@@ -583,8 +616,8 @@ retry_ber:
                        }
 
                        Debug( LDAP_DEBUG_ANY,
-                               "no request for response on ld %p msgid %ld message type %s (tossing)\n",
-                               (void *)ld, (long)id, msg );
+                               "no request for response on ld %p msgid %d message type %s (tossing)\n",
+                               (void *)ld, id, msg );
 
                        goto retry_ber;
                }
@@ -594,6 +627,7 @@ retry_ber:
                        ber_scanf(ber, "x{");
                }
 nextresp2:
+               ;
 #endif
        }
 
@@ -606,8 +640,8 @@ nextresp2:
        }
 
        Debug( LDAP_DEBUG_TRACE,
-               "read1msg: ld %p msgid %ld message type %s\n",
-               (void *)ld, (long)lr->lr_msgid, ldap_int_msgtype2str( tag ) );
+               "read1msg: ld %p msgid %d message type %s\n",
+               (void *)ld, id, ldap_int_msgtype2str( tag ) );
 
        if ( id == 0 ) {
                /* unsolicited notification message (RFC 4511) */
@@ -713,8 +747,9 @@ nextresp2:
                        }
 
                        /* Do we need to check for referrals? */
-                       if ( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ||
-                                       lr->lr_parent != NULL )
+                       if ( tag != LDAP_RES_BIND &&
+                               ( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ||
+                                       lr->lr_parent != NULL ))
                        {
                                char            **refs = NULL;
                                ber_len_t       len;
@@ -811,6 +846,10 @@ nextresp2:
                                return( -1 );   /* fatal error */
                        }
                        lr->lr_res_errno = LDAP_SUCCESS; /* sucessfully chased referral */
+                       if ( lr->lr_res_matched ) {
+                               LDAP_FREE( lr->lr_res_matched );
+                               lr->lr_res_matched = NULL;
+                       }
 
                } else {
                        if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
@@ -854,8 +893,8 @@ nextresp2:
                        {
                                id = lr->lr_msgid;
                                tag = lr->lr_res_msgtype;
-                               Debug( LDAP_DEBUG_ANY, "request done: ld %p msgid %ld\n",
-                                       (void *)ld, (long) id, 0 );
+                               Debug( LDAP_DEBUG_TRACE, "request done: ld %p msgid %d\n",
+                                       (void *)ld, id, 0 );
                                Debug( LDAP_DEBUG_TRACE,
                                        "res_errno: %d, res_error: <%s>, "
                                        "res_matched: <%s>\n",
@@ -878,15 +917,13 @@ nextresp2:
                                lr = NULL;
                        }
 
-                       if ( lc != NULL ) {
-#ifdef LDAP_R_COMPILE
-                               ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
-#endif
-                               ldap_free_connection( ld, lc, 0, 1 );
-#ifdef LDAP_R_COMPILE
-                               ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
-#endif
-                               lc = *lcp = NULL;
+                       /*
+                        * RF 4511 unsolicited (id == 0) responses
+                        * shouldn't necessarily end the connection
+                        */
+                       if ( lc != NULL && id != 0 ) {
+                               --lc->lconn_refcnt;
+                               lc = NULL;
                        }
                }
        }
@@ -903,33 +940,43 @@ nextresp2:
        }
 
        /* try to handle unsolicited responses as appropriate */
-       if ( id == 0 && msgid != LDAP_RES_UNSOLICITED ) {
+       if ( id == 0 && msgid > LDAP_RES_UNSOLICITED ) {
                int     is_nod = 0;
 
-               tag = ber_peek_tag( ber, &len );
+               tag = ber_peek_tag( &tmpber, &len );
 
                /* we have a res oid */
                if ( tag == LDAP_TAG_EXOP_RES_OID ) {
-                       char    *resoid = NULL;
+                       static struct berval    bv_nod = BER_BVC( LDAP_NOTICE_OF_DISCONNECTION );
+                       struct berval           resoid = BER_BVNULL;
 
-                       if ( ber_scanf( ber, "a", &resoid ) == LBER_ERROR ) {
+                       if ( ber_scanf( &tmpber, "m", &resoid ) == LBER_ERROR ) {
                                ld->ld_errno = LDAP_DECODING_ERROR;
                                ber_free( ber, 1 );
                                return -1;
                        }
 
-                       assert( resoid[ 0 ] != '\0' );
+                       assert( !BER_BVISEMPTY( &resoid ) );
 
-                       is_nod = strcmp( resoid, LDAP_NOTICE_OF_DISCONNECTION ) == 0;
-                       LDAP_FREE( resoid );
+                       is_nod = ber_bvcmp( &resoid, &bv_nod ) == 0;
 
-                       tag = ber_peek_tag( ber, &len );
+                       tag = ber_peek_tag( &tmpber, &len );
                }
 
-               /* we have a res value */
+#if 0 /* don't need right now */
+               /* we have res data */
                if ( tag == LDAP_TAG_EXOP_RES_VALUE ) {
-                       /* don't need right now */
+                       struct berval resdata;
+
+                       if ( ber_scanf( &tmpber, "m", &resdata ) == LBER_ERROR ) {
+                               ld->ld_errno = LDAP_DECODING_ERROR;
+                               ber_free( ber, 0 );
+                               return ld->ld_errno;
+                       }
+
+                       /* use it... */
                }
+#endif
 
                /* handle RFC 4511 "Notice of Disconnection" locally */
 
@@ -942,17 +989,13 @@ nextresp2:
 
                        /* get rid of the connection... */
                        if ( lc != NULL ) {
-#ifdef LDAP_R_COMPILE
-                               ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
-#endif
-                               ldap_free_connection( ld, lc, 0, 1 );
-#ifdef LDAP_R_COMPILE
-                               ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
-#endif
-                               *lcp = NULL;
+                               --lc->lconn_refcnt;
                        }
 
-                       return LDAP_RES_EXTENDED;
+                       /* need to return -1, because otherwise
+                        * a valid result is expected */
+                       ld->ld_errno = lderr;
+                       return -1;
                }
        }
 
@@ -1056,7 +1099,8 @@ nextresp2:
        if ( msgid == LDAP_RES_ANY || id == msgid ) {
                if ( all == LDAP_MSG_ONE
                        || ( newmsg->lm_msgtype != LDAP_RES_SEARCH_RESULT
-                               && newmsg->lm_msgtype != LDAP_RES_SEARCH_ENTRY
+                               && newmsg->lm_msgtype != LDAP_RES_SEARCH_ENTRY
+                               && newmsg->lm_msgtype != LDAP_RES_INTERMEDIATE
                                && newmsg->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) )
                {
                        *result = newmsg;
@@ -1094,8 +1138,8 @@ nextresp2:
                goto exit;
        }
 
-       Debug( LDAP_DEBUG_TRACE, "adding response ld %p msgid %ld type %ld:\n",
-               (void *)ld, (long) newmsg->lm_msgid, (long) newmsg->lm_msgtype );
+       Debug( LDAP_DEBUG_TRACE, "adding response ld %p msgid %d type %ld:\n",
+               (void *)ld, newmsg->lm_msgid, (long) newmsg->lm_msgtype );
 
        /* part of a search response - add to end of list of entries */
        l->lm_chain_tail->lm_chain = newmsg;
@@ -1345,7 +1389,6 @@ ldap_abandoned( LDAP *ld, ber_int_t msgid, int *idxp )
 
        assert( idxp != NULL );
        assert( msgid >= 0 );
-       assert( ld->ld_nabandoned >= 0 );
 
        return ldap_int_bisect_find( ld->ld_abandoned, ld->ld_nabandoned, msgid, idxp );
 }
@@ -1364,7 +1407,7 @@ ldap_mark_abandoned( LDAP *ld, ber_int_t msgid, int idx )
 
        /* NOTE: those assertions are repeated in ldap_int_bisect_delete() */
        assert( idx >= 0 );
-       assert( idx < ld->ld_nabandoned );
+       assert( (unsigned) idx < ld->ld_nabandoned );
        assert( ld->ld_abandoned[ idx ] == msgid );
 
        return ldap_int_bisect_delete( &ld->ld_abandoned, &ld->ld_nabandoned,