Reformat
[yaz-moved-to-github.git] / src / seshigh.c
index 0d50fa6..92627c2 100644 (file)
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2009 Index Data
+ * Copyright (C) 1995-2011 Index Data
  * See the file LICENSE for details.
  */
 /**
  * minimize memory allocation/deallocation during normal operation.
  *
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 
+#include <limits.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <assert.h>
-#include <ctype.h>
 
 #if HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -53,7 +56,6 @@
 #include <libxml/tree.h>
 #endif
 
-#include <yaz/yconfig.h>
 #include <yaz/xmalloc.h>
 #include <yaz/comstack.h>
 #include "eventl.h"
@@ -78,7 +80,6 @@
 
 static void process_gdu_request(association *assoc, request *req);
 static int process_z_request(association *assoc, request *req, char **msg);
-void backend_response(IOCHAN i, int event);
 static int process_gdu_response(association *assoc, request *req, Z_GDU *res);
 static int process_z_response(association *assoc, request *req, Z_APDU *res);
 static Z_APDU *process_initRequest(association *assoc, request *reqb);
@@ -115,20 +116,27 @@ static void get_logbits(void)
     }
 }
 
-
-
 static void wr_diag(WRBUF w, int error, const char *addinfo)
 {
     wrbuf_printf(w, "ERROR %d+", error);
     wrbuf_puts_replace_char(w, diagbib1_str(error), ' ', '_');
-    if (addinfo){
+    if (addinfo)
+    {
         wrbuf_puts(w, "+");
         wrbuf_puts_replace_char(w, addinfo, ' ', '_');
     }
-    
     wrbuf_puts(w, " ");    
 }
 
+static int odr_int_to_int(Odr_int v)
+{
+    if (v >= INT_MAX)
+        return INT_MAX;
+    else if (v <= INT_MIN)
+        return INT_MIN;
+    else
+        return (int) v;
+}
 
 /*
  * Create and initialize a new association-handle.
@@ -217,17 +225,13 @@ void destroy_association(association *h)
     request_delq(&h->outgoing);
     xfree(h);
     xmalloc_trav("session closed");
-    if (cb && cb->one_shot)
-    {
-        exit(0);
-    }
 }
 
 static void do_close_req(association *a, int reason, char *message,
                          request *req)
 {
-    Z_APDU apdu;
-    Z_Close *cls = zget_Close(a->encode);
+    Z_APDU *apdu = zget_APDU(a->encode, Z_APDU_close);
+    Z_Close *cls = apdu->u.close;
     
     /* Purge request queue */
     while (request_deq(&a->incoming));
@@ -236,11 +240,9 @@ static void do_close_req(association *a, int reason, char *message,
     {
         yaz_log(log_requestdetail, "Sending Close PDU, reason=%d, message=%s",
             reason, message ? message : "none");
-        apdu.which = Z_APDU_close;
-        apdu.u.close = cls;
         *cls->closeReason = reason;
         cls->diagnosticInformation = message;
-        process_z_response(a, req, &apdu);
+        process_z_response(a, req, apdu);
         iochan_settimeout(a->client_chan, 20);
     }
     else
@@ -256,7 +258,7 @@ static void do_close_req(association *a, int reason, char *message,
 static void do_close(association *a, int reason, char *message)
 {
     request *req = request_get(&a->outgoing);
-    do_close_req (a, reason, message, req);
+    do_close_req(a, reason, message, req);
 }
 
 
@@ -296,7 +298,9 @@ int ir_read(IOCHAN h, int event)
             else if (res <= 0)
             {
                 yaz_log(log_session, "Connection closed by client");
-                assoc->state = ASSOC_DEAD;
+                cs_close(conn);
+                destroy_association(assoc);
+                iochan_destroy(h);
                 return 0;
             }
             else if (res == 1) /* incomplete read - wait for more  */
@@ -480,7 +484,7 @@ static int process_z_request(association *assoc, request *req, char **msg);
 
 static void assoc_init_reset(association *assoc)
 {
-    xfree (assoc->init);
+    xfree(assoc->init);
     assoc->init = (bend_initrequest *) xmalloc(sizeof(*assoc->init));
 
     assoc->init->stream = assoc->encode;
@@ -531,11 +535,14 @@ static int srw_bend_init(association *assoc, Z_SRW_diagnostic **d, int *num, Z_S
         {
             Z_IdAuthentication *auth = (Z_IdAuthentication *)
                 odr_malloc(assoc->decode, sizeof(*auth));
-            int len;
+            size_t len;
 
             len = strlen(sr->username) + 1;
             if (sr->password) 
                 len += strlen(sr->password) + 2;
+            yaz_log(log_requestdetail, "username=%s password-len=%ld",
+                    sr->username, (long) 
+                    (sr->password ? strlen(sr->password) : 0));
             auth->which = Z_IdAuthentication_open;
             auth->u.open = (char *) odr_malloc(assoc->decode, len);
             strcpy(auth->u.open, sr->username);
@@ -750,7 +757,7 @@ static int srw_bend_fetch(association *assoc, int pos,
 }
 
 static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct,
-                   Z_Query *query_result)
+                   Z_Query *query_result, char **sortkeys_p)
 {
     /* have a CQL query and  CQL to PQF transform .. */
     CQL_parser cp = cql_parser_create();
@@ -758,7 +765,8 @@ static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct,
     int srw_errcode = 0;
     const char *add = 0;
     char rpn_buf[5120];
-            
+         
+    *sortkeys_p = 0;
     r = cql_parser_string(cp, cql);
     if (r)
     {
@@ -766,12 +774,29 @@ static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct,
     }
     if (!r)
     {
+        struct cql_node *cn = cql_parser_result(cp);
+
         /* Syntax OK */
-        r = cql_transform_buf(ct,
-                              cql_parser_result(cp),
-                              rpn_buf, sizeof(rpn_buf)-1);
+        r = cql_transform_buf(ct, cn, rpn_buf, sizeof(rpn_buf)-1);
         if (r)
             srw_errcode = cql_transform_error(ct, &add);
+        else
+        {
+            char out[100];
+            int r = cql_sortby_to_sortkeys_buf(cn, out, sizeof(out)-1);
+    
+            if (r == 0)
+            {
+                if (*out)
+                    yaz_log(log_requestdetail, "srw_sortKeys '%s'", out);
+                *sortkeys_p = odr_strdup(odr, out);
+            }
+            else
+            {
+                yaz_log(log_requestdetail, "failed to create srw_sortKeys");
+                srw_errcode = YAZ_SRW_UNSUPP_SORT_TYPE;
+            }
+        }
     }
     if (!r)
     {
@@ -804,7 +829,8 @@ static int cql2pqf_scan(ODR odr, const char *cql, cql_transform_t ct,
 {
     Z_Query query;
     Z_RPNQuery *rpn;
-    int srw_error = cql2pqf(odr, cql, ct, &query);
+    char *sortkeys = 0;
+    int srw_error = cql2pqf(odr, cql, ct, &query, &sortkeys);
     if (srw_error)
         return srw_error;
     if (query.which != Z_Query_type_1 && query.which != Z_Query_type_101)
@@ -823,13 +849,15 @@ static int cql2pqf_scan(ODR odr, const char *cql, cql_transform_t ct,
                    
 
 static int ccl2pqf(ODR odr, const Odr_oct *ccl, CCL_bibset bibset,
-                   bend_search_rr *bsrr) {
+                   bend_search_rr *bsrr)
+{
     char *ccl0;
     struct ccl_rpn_node *node;
     int errcode, pos;
 
     ccl0 = odr_strdupn(odr, (char*) ccl->buf, ccl->len);
-    if ((node = ccl_find_str(bibset, ccl0, &errcode, &pos)) == 0) {
+    if ((node = ccl_find_str(bibset, ccl0, &errcode, &pos)) == 0)
+    {
         bsrr->errstring = (char*) ccl_err_msg(errcode);
         return YAZ_SRW_QUERY_SYNTAX_ERROR;    /* Query syntax error */
     }
@@ -839,8 +867,7 @@ static int ccl2pqf(ODR odr, const Odr_oct *ccl, CCL_bibset bibset,
     return 0;
 }
 
-
-static void srw_bend_search(association *assoc, request *req,
+static void srw_bend_search(association *assoc,
                             Z_SRW_PDU *sr,
                             Z_SRW_PDU *res,
                             int *http_code)
@@ -877,7 +904,9 @@ static void srw_bend_search(association *assoc, request *req,
             {
                 int srw_errcode = cql2pqf(assoc->encode, srw_req->query.cql,
                                           assoc->server->cql_transform,
-                                          rr.query);
+                                          rr.query,
+                                          &rr.srw_sortKeys);
+
                 if (srw_errcode)
                 {
                     yaz_add_srw_diagnostic(assoc->encode,
@@ -936,14 +965,15 @@ static void srw_bend_search(association *assoc, request *req,
             rr.stream = assoc->encode;
             rr.decode = assoc->decode;
             rr.print = assoc->print;
-            if ( srw_req->sort.sortKeys )
+            if (srw_req->sort.sortKeys)
                 rr.srw_sortKeys = odr_strdup(assoc->encode, 
-                                             srw_req->sort.sortKeys );
+                                             srw_req->sort.sortKeys);
             rr.association = assoc;
             rr.hits = 0;
             rr.errcode = 0;
             rr.errstring = 0;
             rr.search_info = 0;
+            rr.search_input = 0;
             yaz_log_zquery_level(log_requestdetail,rr.query);
             
             (assoc->init->bend_search)(assoc->backend, &rr);
@@ -964,8 +994,10 @@ static void srw_bend_search(association *assoc, request *req,
             }
             else
             {
-                int number = srw_req->maximumRecords ? *srw_req->maximumRecords : 0;
-                int start = srw_req->startRecord ? *srw_req->startRecord : 1;
+                int number = srw_req->maximumRecords ?
+                    odr_int_to_int(*srw_req->maximumRecords) : 0;
+                int start = srw_req->startRecord ?
+                    odr_int_to_int(*srw_req->startRecord) : 1;
                 
                 yaz_log(log_requestdetail, "Request to pack %d+%d out of "
                         ODR_INT_PRINTF,
@@ -994,7 +1026,7 @@ static void srw_bend_search(association *assoc, request *req,
                     int i;
                     int ok = 1;
                     if (start + number > rr.hits)
-                        number = rr.hits - start + 1;
+                        number = odr_int_to_int(rr.hits) - start + 1;
                     
                     /* Call bend_present if defined */
                     if (assoc->init->bend_present)
@@ -1131,7 +1163,7 @@ static void srw_bend_search(association *assoc, request *req,
                          (srw_res->numberOfRecords ?
                           *srw_res->numberOfRecords : 0));
         }
-        wrbuf_printf(wr, " %s " ODR_INT_PRINTF " +%d", 
+        wrbuf_printf(wr, " %s " ODR_INT_PRINTF "+%d", 
                      (srw_res->resultSetId ?
                       srw_res->resultSetId : "-"),
                      (srw_req->startRecord ? *srw_req->startRecord : 1), 
@@ -1141,7 +1173,7 @@ static void srw_bend_search(association *assoc, request *req,
     }
 }
 
-static char *srw_bend_explain_default(void *handle, bend_explain_rr *rr)
+static char *srw_bend_explain_default(bend_explain_rr *rr)
 {
 #if YAZ_HAVE_XML2
     xmlNodePtr ptr = (xmlNode *) rr->server_node_ptr;
@@ -1177,7 +1209,7 @@ static char *srw_bend_explain_default(void *handle, bend_explain_rr *rr)
     return 0;
 }
 
-static void srw_bend_explain(association *assoc, request *req,
+static void srw_bend_explain(association *assoc,
                              Z_SRW_PDU *sr,
                              Z_SRW_explainResponse *srw_res,
                              int *http_code)
@@ -1203,7 +1235,7 @@ static void srw_bend_explain(association *assoc, request *req,
         if (assoc->init->bend_explain)
             (*assoc->init->bend_explain)(assoc->backend, &rr);
         else
-            srw_bend_explain_default(assoc->backend, &rr);
+            srw_bend_explain_default(&rr);
 
         if (rr.explain_buf)
         {
@@ -1225,7 +1257,7 @@ static void srw_bend_explain(association *assoc, request *req,
     }
 }
 
-static void srw_bend_scan(association *assoc, request *req,
+static void srw_bend_scan(association *assoc,
                           Z_SRW_PDU *sr,
                           Z_SRW_scanResponse *srw_res,
                           int *http_code)
@@ -1237,6 +1269,7 @@ static void srw_bend_scan(association *assoc, request *req,
     srw_bend_init(assoc, &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
     if (srw_res->num_diagnostics == 0 && assoc->init)
     {
+        int step_size = 0;
         struct scan_entry *save_entries;
 
         bend_scan_rr *bsrr = (bend_scan_rr *)
@@ -1245,16 +1278,16 @@ static void srw_bend_scan(association *assoc, request *req,
         bsrr->basenames = &srw_req->database;
 
         bsrr->num_entries = srw_req->maximumTerms ?
-            *srw_req->maximumTerms : 10;
+            odr_int_to_int(*srw_req->maximumTerms) : 10;
         bsrr->term_position = srw_req->responsePosition ?
-            *srw_req->responsePosition : 1;
+            odr_int_to_int(*srw_req->responsePosition) : 1;
 
         bsrr->errcode = 0;
         bsrr->errstring = 0;
         bsrr->referenceId = 0;
         bsrr->stream = assoc->encode;
         bsrr->print = assoc->print;
-        bsrr->step_size = odr_intdup(assoc->decode, 0);
+        bsrr->step_size = &step_size;
         bsrr->entries = 0;
         bsrr->setname = 0;
 
@@ -1412,7 +1445,7 @@ static void srw_bend_scan(association *assoc, request *req,
 
 }
 
-static void srw_bend_update(association *assoc, request *req,
+static void srw_bend_update(association *assoc,
                            Z_SRW_PDU *sr,
                            Z_SRW_updateResponse *srw_res,
                            int *http_code)
@@ -1781,7 +1814,7 @@ static void process_http_request(association *assoc, request *req)
             }
             else
             {
-                srw_bend_search(assoc, req, sr, res, &http_code);
+                srw_bend_search(assoc, sr, res, &http_code);
             }
             if (http_code == 200)
                 soap_package->u.generic->p = res;
@@ -1796,8 +1829,7 @@ static void process_http_request(association *assoc, request *req)
                 res->u.explain_response->diagnostics = diagnostic;
                 res->u.explain_response->num_diagnostics = num_diagnostic;
             }
-            srw_bend_explain(assoc, req, sr,
-                             res->u.explain_response, &http_code);
+            srw_bend_explain(assoc, sr, res->u.explain_response, &http_code);
             if (http_code == 200)
                 soap_package->u.generic->p = res;
         }
@@ -1811,8 +1843,7 @@ static void process_http_request(association *assoc, request *req)
                 res->u.scan_response->diagnostics = diagnostic;
                 res->u.scan_response->num_diagnostics = num_diagnostic;
             }
-            srw_bend_scan(assoc, req, sr,
-                          res->u.scan_response, &http_code);
+            srw_bend_scan(assoc, sr, res->u.scan_response, &http_code);
             if (http_code == 200)
                 soap_package->u.generic->p = res;
         }
@@ -1827,8 +1858,7 @@ static void process_http_request(association *assoc, request *req)
                 res->u.update_response->num_diagnostics = num_diagnostic;
             }
             yaz_log(YLOG_DEBUG, "num_diag = %d", res->u.update_response->num_diagnostics );
-            srw_bend_update(assoc, req, sr,
-                            res->u.update_response, &http_code);
+            srw_bend_update(assoc, sr, res->u.update_response, &http_code);
             if (http_code == 200)
                 soap_package->u.generic->p = res;
         }
@@ -1851,7 +1881,6 @@ static void process_http_request(association *assoc, request *req)
                 {0, 0, 0}
             };
             char ctype[80];
-            int ret;
             p = z_get_HTTP_Response(o, 200);
             hres = p->u.HTTP_Response;
 
@@ -1862,9 +1891,9 @@ static void process_http_request(association *assoc, request *req)
             if (stylesheet && *stylesheet == '\0')
                 stylesheet = 0;
 
-            ret = z_soap_codec_enc_xsl(assoc->encode, &soap_package,
-                                       &hres->content_buf, &hres->content_len,
-                                       soap_handlers, charset, stylesheet);
+            z_soap_codec_enc_xsl(assoc->encode, &soap_package,
+                                 &hres->content_buf, &hres->content_len,
+                                 soap_handlers, charset, stylesheet);
             hres->code = http_code;
 
             strcpy(ctype, "text/xml");
@@ -1900,7 +1929,7 @@ static void process_http_request(association *assoc, request *req)
             keepalive = 1;
         hres->version = "1.1";
     }
-    if (!keepalive)
+    if (!keepalive || !assoc->last_control->keepalive)
     {
         z_HTTP_header_add(o, &hres->headers, "Connection", "close");
         assoc->state = ASSOC_DEAD;
@@ -1911,7 +1940,7 @@ static void process_http_request(association *assoc, request *req)
         int t;
         const char *alive = z_HTTP_header_lookup(hreq->headers, "Keep-Alive");
 
-        if (alive && isdigit(*(const unsigned char *) alive))
+        if (alive && yaz_isdigit(*(const unsigned char *) alive))
             t = atoi(alive);
         else
             t = 15;
@@ -2026,7 +2055,7 @@ static int process_z_request(association *assoc, request *req, char **msg)
     }
     else
     {
-        yaz_log(YLOG_DEBUG, "  result unavailble");
+        yaz_log(YLOG_DEBUG, "  result unavailable");
         retval = -1;
     }
     return retval;
@@ -2082,7 +2111,7 @@ static int process_gdu_response(association *assoc, request *req, Z_GDU *res)
  */
 static int process_z_response(association *assoc, request *req, Z_APDU *res)
 {
-    Z_GDU *gres = (Z_GDU *) odr_malloc(assoc->encode, sizeof(*res));
+    Z_GDU *gres = (Z_GDU *) odr_malloc(assoc->encode, sizeof(*gres));
     gres->which = Z_GDU_Z3950;
     gres->u.z3950 = res;
 
@@ -2152,7 +2181,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
             yaz_log(log_requestdetail, "Config:    %s",
                     cb->configname);
     
-        iochan_settimeout(assoc->client_chan, cb->idle_timeout * 60);
+        iochan_settimeout(assoc->client_chan, cb->idle_timeout);
         
         /* we have a backend control block, so call that init function */
         if (!(binitres = (*cb->bend_init)(assoc->init)))
@@ -2282,13 +2311,15 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
     yaz_log(log_requestdetail, "Negotiated to v%d: %s", assoc->version, options);
 
     if (*req->maximumRecordSize < assoc->maximumRecordSize)
-        assoc->maximumRecordSize = *req->maximumRecordSize;
+        assoc->maximumRecordSize = odr_int_to_int(*req->maximumRecordSize);
 
     if (*req->preferredMessageSize < assoc->preferredMessageSize)
-        assoc->preferredMessageSize = *req->preferredMessageSize;
+        assoc->preferredMessageSize = odr_int_to_int(*req->preferredMessageSize);
 
-    resp->preferredMessageSize = &assoc->preferredMessageSize;
-    resp->maximumRecordSize = &assoc->maximumRecordSize;
+    resp->preferredMessageSize =
+        odr_intdup(assoc->encode, assoc->preferredMessageSize);
+    resp->maximumRecordSize = 
+        odr_intdup(assoc->encode, assoc->maximumRecordSize);
 
     resp->implementationId = odr_prepend(assoc->encode,
                 assoc->init->implementation_id,
@@ -2409,27 +2440,33 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
                                Z_ReferenceId *referenceId,
                                Odr_oid *oid, int *errcode)
 {
-    int recno, total_length = 0, toget = *num, dumped_records = 0;
+    int recno, total_length = 0, dumped_records = 0;
+    int toget = odr_int_to_int(*num);
     Z_Records *records =
         (Z_Records *) odr_malloc(a->encode, sizeof(*records));
     Z_NamePlusRecordList *reclist =
         (Z_NamePlusRecordList *) odr_malloc(a->encode, sizeof(*reclist));
-    Z_NamePlusRecord **list =
-        (Z_NamePlusRecord **) odr_malloc(a->encode, sizeof(*list) * toget);
 
     records->which = Z_Records_DBOSD;
     records->u.databaseOrSurDiagnostics = reclist;
     reclist->num_records = 0;
-    reclist->records = list;
+
+    if (toget < 0)
+        return diagrec(a, YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE, 0);
+    else if (toget == 0)
+        reclist->records = odr_nullval();
+    else
+        reclist->records = (Z_NamePlusRecord **)
+            odr_malloc(a->encode, sizeof(*reclist->records) * toget);
+
     *pres = Z_PresentStatus_success;
     *num = 0;
     *next = 0;
 
     yaz_log(log_requestdetail, "Request to pack " ODR_INT_PRINTF "+%d %s", start, toget, setname);
-    yaz_log(log_requestdetail, "pms=" ODR_INT_PRINTF
-            ", mrs=" ODR_INT_PRINTF, a->preferredMessageSize,
+    yaz_log(log_requestdetail, "pms=%d, mrs=%d", a->preferredMessageSize,
         a->maximumRecordSize);
-    for (recno = start; reclist->num_records < toget; recno++)
+    for (recno = odr_int_to_int(start); reclist->num_records < toget; recno++)
     {
         bend_fetch_rr freq;
         Z_NamePlusRecord *thisrec;
@@ -2472,7 +2509,7 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
                 if (freq.errcode == YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE  && 
                                 freq.errstring == 0)
                 {
-                    sprintf (s, "%d", recno);
+                    sprintf(s, "%d", recno);
                     freq.errstring = s;
                 }
                 if (errcode)
@@ -2487,6 +2524,7 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
         }
         if (freq.record == 0)  /* no error and no record ? */
         {
+            *pres = Z_PresentStatus_partial_4;
             *next = 0;   /* signal end-of-set and stop */
             break;
         }
@@ -2504,6 +2542,8 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
             {
                 yaz_log(log_requestdetail, "  Dropped last normal-sized record");
                 *pres = Z_PresentStatus_partial_2;
+                if (*next > 0)
+                    (*next)--;
                 break;
             }
             /* record can only be fetched by itself */
@@ -2514,7 +2554,9 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
                 {
                     yaz_log(YLOG_DEBUG, "  Dropped it");
                     reclist->records[reclist->num_records] =
-                         surrogatediagrec(a, freq.basename, 16, 0);
+                         surrogatediagrec(
+                             a, freq.basename,
+                             YAZ_BIB1_RECORD_EXCEEDS_PREFERRED_MESSAGE_SIZE, 0);
                     reclist->num_records++;
                     dumped_records += this_length;
                     continue;
@@ -2523,10 +2565,12 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
             else /* too big entirely */
             {
                 yaz_log(log_requestdetail, "Record > maxrcdsz "
-                        "this=%d max=" ODR_INT_PRINTF,
+                        "this=%d max=%d",
                         this_length, a->maximumRecordSize);
                 reclist->records[reclist->num_records] =
-                    surrogatediagrec(a, freq.basename, 17, 0);
+                    surrogatediagrec(
+                        a, freq.basename,
+                        YAZ_BIB1_RECORD_EXCEEDS_MAXIMUM_RECORD_SIZE, 0);
                 reclist->num_records++;
                 dumped_records += this_length;
                 continue;
@@ -2540,7 +2584,10 @@ static Z_Records *pack_records(association *a, char *setname, Odr_int start,
         thisrec->which = Z_NamePlusRecord_databaseRecord;
 
         if (!freq.output_format)
-            freq.output_format = freq.request_format;
+        {
+            yaz_log(YLOG_WARN, "bend_fetch output_format not set");
+            return 0;
+        }
         thisrec->u.databaseRecord = z_ext_record_oid(
             a->encode, freq.output_format, freq.record, freq.len);
         if (!thisrec->u.databaseRecord)
@@ -2569,7 +2616,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb)
     bsrr->extra_args = 0;
     bsrr->extra_response_data = 0;
 
-    yaz_log (log_requestdetail, "ResultSet '%s'", req->resultSetName);
+    yaz_log(log_requestdetail, "ResultSet '%s'", req->resultSetName);
     if (req->databaseNames)
     {
         int i;
@@ -2594,6 +2641,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb)
         bsrr->errcode = 0;
         bsrr->errstring = NULL;
         bsrr->search_info = NULL;
+        bsrr->search_input = req->otherInfo;
 
         if (assoc->server && assoc->server->cql_transform 
             && req->query->which == Z_Query_type_104
@@ -2602,7 +2650,8 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb)
             /* have a CQL query and a CQL to PQF transform .. */
             int srw_errcode = 
                 cql2pqf(bsrr->stream, req->query->u.type_104->u.cql,
-                        assoc->server->cql_transform, bsrr->query);
+                        assoc->server->cql_transform, bsrr->query,
+                        &bsrr->srw_sortKeys);
             if (srw_errcode)
                 bsrr->errcode = yaz_diag_srw_to_bib1(srw_errcode);
         }
@@ -2629,8 +2678,6 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb)
     return response_searchRequest(assoc, reqb, bsrr);
 }
 
-int bend_searchresponse(void *handle, bend_search_rr *bsrr) {return 0;}
-
 /*
  * Prepare a searchresponse based on the backend results. We probably want
  * to look at making the fetching of records nonblocking as well, but
@@ -2639,7 +2686,7 @@ int bend_searchresponse(void *handle, bend_search_rr *bsrr) {return 0;}
  * event, and we'll have to get the response for ourselves.
  */
 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
-    bend_search_rr *bsrt)
+                                      bend_search_rr *bsrt)
 {
     Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
     Z_APDU *apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
@@ -2648,14 +2695,14 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     Odr_int *nulint = odr_intdup(assoc->encode, 0);
     Odr_int *next = odr_intdup(assoc->encode, 0);
     Odr_int *none = odr_intdup(assoc->encode, Z_SearchResponse_none);
-    int returnedrecs = 0;
+    Odr_int returnedrecs = 0;
 
     apdu->which = Z_APDU_searchResponse;
     apdu->u.searchResponse = resp;
     resp->referenceId = req->referenceId;
     resp->additionalSearchInfo = 0;
     resp->otherInfo = 0;
-    if (!bsrt && !bend_searchresponse(assoc->backend, bsrt))
+    if (!bsrt)
     {
         yaz_log(YLOG_FATAL, "Bad result from backend");
         return 0;
@@ -2712,7 +2759,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
                     nmem_malloc(reqb->request_mem, sizeof(*bprr));
                 bprr->setname = req->resultSetName;
                 bprr->start = 1;
-                bprr->number = *toget;
+                bprr->number = odr_int_to_int(*toget);
                 bprr->format = req->preferredRecordSyntax;
                 bprr->comp = compp;
                 bprr->referenceId = req->referenceId;
@@ -2769,7 +2816,8 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
         int i;
         WRBUF wr = wrbuf_alloc();
 
-        for (i = 0 ; i < req->num_databaseNames; i++){
+        for (i = 0 ; i < req->num_databaseNames; i++)
+        {
             if (i)
                 wrbuf_printf(wr, "+");
             wrbuf_puts(wr, req->databaseNames[i]);
@@ -2780,7 +2828,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
             wrbuf_printf(wr, "ERROR %d", bsrt->errcode);
         else
             wrbuf_printf(wr, "OK " ODR_INT_PRINTF, bsrt->hits);
-        wrbuf_printf(wr, " %s 1+%d ",
+        wrbuf_printf(wr, " %s 1+" ODR_INT_PRINTF " ",
                      req->resultSetName, returnedrecs);
         yaz_query_to_wrbuf(wr, req->query);
         
@@ -2813,7 +2861,6 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb)
     Odr_int *next;
     Odr_int *num;
     int errcode = 0;
-    const char *errstring = 0;
 
     yaz_log(log_requestdetail, "Got PresentRequest.");
 
@@ -2825,8 +2872,8 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb)
         bend_present_rr *bprr = (bend_present_rr *)
             nmem_malloc(reqb->request_mem, sizeof(*bprr));
         bprr->setname = req->resultSetId;
-        bprr->start = *req->resultSetStartPoint;
-        bprr->number = *req->numberOfRecordsRequested;
+        bprr->start = odr_int_to_int(*req->resultSetStartPoint);
+        bprr->number = odr_int_to_int(*req->numberOfRecordsRequested);
         bprr->format = req->preferredRecordSyntax;
         bprr->comp = req->recordComposition;
         bprr->referenceId = req->referenceId;
@@ -2842,7 +2889,6 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb)
             resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
             *resp->presentStatus = Z_PresentStatus_failure;
             errcode = bprr->errcode;
-            errstring = bprr->errstring;
         }
     }
     apdu = (Z_APDU *)odr_malloc(assoc->encode, sizeof(*apdu));
@@ -2909,6 +2955,7 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb)
     bend_scan_rr *bsrr = (bend_scan_rr *)
         odr_malloc(assoc->encode, sizeof(*bsrr));
     struct scan_entry *save_entries;
+    int step_size = 0;
 
     yaz_log(log_requestdetail, "Got ScanRequest");
 
@@ -2917,10 +2964,10 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb)
     res->referenceId = req->referenceId;
 
     /* if step is absent, set it to 0 */
-    res->stepSize = odr_intdup(assoc->encode, 0);
     if (req->stepSize)
-        *res->stepSize = *req->stepSize;
+        step_size = odr_int_to_int(*req->stepSize);
 
+    res->stepSize = 0;
     res->scanStatus = scanStatus;
     res->numberOfEntriesReturned = numberOfEntriesReturned;
     res->positionOfTerm = 0;
@@ -2943,12 +2990,12 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb)
     bsrr->errstring = 0;
     bsrr->num_bases = req->num_databaseNames;
     bsrr->basenames = req->databaseNames;
-    bsrr->num_entries = *req->numberOfTermsRequested;
+    bsrr->num_entries = odr_int_to_int(*req->numberOfTermsRequested);
     bsrr->term = req->termListAndStartPoint;
     bsrr->referenceId = req->referenceId;
     bsrr->stream = assoc->encode;
     bsrr->print = assoc->print;
-    bsrr->step_size = res->stepSize;
+    bsrr->step_size = &step_size;
     bsrr->setname = yaz_oi_get_string_oid(&req->otherInfo, 
                                           yaz_oid_userinfo_scan_set, 1, 0);
     bsrr->entries = 0;
@@ -2980,7 +3027,7 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb)
     log_scan_term_level(log_requestdetail, req->termListAndStartPoint, 
                         bsrr->attributeset);
     bsrr->term_position = req->preferredPositionInResponse ?
-        *req->preferredPositionInResponse : 1;
+        odr_int_to_int(*req->preferredPositionInResponse) : 1;
 
     ((int (*)(void *, bend_scan_rr *))
      (*assoc->init->bend_scan))(assoc->backend, bsrr);
@@ -2998,11 +3045,12 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb)
             *scanStatus = Z_Scan_partial_5;
         else
             *scanStatus = Z_Scan_success;
+        res->stepSize = odr_intdup(assoc->encode, step_size);
         ents->entries = tab;
         ents->num_entries = bsrr->num_entries;
         res->numberOfEntriesReturned = odr_intdup(assoc->encode, 
                                                    ents->num_entries);
-        res->positionOfTerm = &bsrr->term_position;
+        res->positionOfTerm = odr_intdup(assoc->encode, bsrr->term_position);
         for (i = 0; i < bsrr->num_entries; i++)
         {
             Z_Entry *e;
@@ -3196,12 +3244,12 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb)
                 req->resultSetList[i]);
     bdrr->stream = assoc->encode;
     bdrr->print = assoc->print;
-    bdrr->function = *req->deleteFunction;
+    bdrr->function = odr_int_to_int(*req->deleteFunction);
     bdrr->referenceId = req->referenceId;
     bdrr->statuses = 0;
     if (bdrr->num_setnames > 0)
     {
-        bdrr->statuses = (Odr_int*) 
+        bdrr->statuses = (int*) 
             odr_malloc(assoc->encode, sizeof(*bdrr->statuses) *
                        bdrr->num_setnames);
         for (i = 0; i < bdrr->num_setnames; i++)
@@ -3231,7 +3279,8 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb)
                 (Z_ListStatus *)
                 odr_malloc(assoc->encode,
                             sizeof(**res->deleteListStatuses->elements));
-            res->deleteListStatuses->elements[i]->status = bdrr->statuses+i;
+            res->deleteListStatuses->elements[i]->status =
+                odr_intdup(assoc->encode, bdrr->statuses[i]);
             res->deleteListStatuses->elements[i]->id =
                 odr_strdup(assoc->encode, bdrr->setnames[i]);
         }