+ }
+ req->request_mem = odr_extract_mem(assoc->decode);
+ if (assoc->print && !z_GDU(assoc->print, &req->gdu_request, 0, 0))
+ {
+ yaz_log(LOG_WARN, "ODR print error: %s",
+ odr_errmsg(odr_geterror(assoc->print)));
+ odr_reset(assoc->print);
+ }
+ request_enq(&assoc->incoming, req);
+ }
+
+ /* can we do something yet? */
+ req = request_head(&assoc->incoming);
+ if (req->state == REQUEST_IDLE)
+ {
+ request_deq(&assoc->incoming);
+ process_gdu_request(assoc, req);
+ }
+ }
+ if (event & assoc->cs_put_mask)
+ {
+ request *req = request_head(&assoc->outgoing);
+
+ assoc->cs_put_mask = 0;
+ yaz_log(LOG_DEBUG, "ir_session (output)");
+ req->state = REQUEST_PENDING;
+ switch (res = cs_put(conn, req->response, req->len_response))
+ {
+ case -1:
+ yaz_log(LOG_LOG, "Connection closed by client");
+ cs_close(conn);
+ destroy_association(assoc);
+ iochan_destroy(h);
+ break;
+ case 0: /* all sent - release the request structure */
+ yaz_log(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
+#if 0
+ yaz_log(LOG_DEBUG, "HTTP out:\n%.*s", req->len_response,
+ req->response);
+#endif
+ nmem_destroy(req->request_mem);
+ request_deq(&assoc->outgoing);
+ request_release(req);
+ if (!request_head(&assoc->outgoing))
+ { /* restore mask for cs_get operation ... */
+ iochan_clearflag(h, EVENT_OUTPUT|EVENT_INPUT);
+ iochan_setflag(h, assoc->cs_get_mask);
+ if (assoc->state == ASSOC_DEAD)
+ iochan_setevent(assoc->client_chan, EVENT_TIMEOUT);
+ }
+ else
+ {
+ assoc->cs_put_mask = EVENT_OUTPUT;
+ }
+ break;
+ default:
+ if (conn->io_pending & CS_WANT_WRITE)
+ assoc->cs_put_mask |= EVENT_OUTPUT;
+ if (conn->io_pending & CS_WANT_READ)
+ assoc->cs_put_mask |= EVENT_INPUT;
+ iochan_setflag(h, assoc->cs_put_mask);
+ }
+ }
+ if (event & EVENT_EXCEPT)
+ {
+ yaz_log(LOG_LOG, "ir_session (exception)");
+ cs_close(conn);
+ destroy_association(assoc);
+ iochan_destroy(h);
+ }
+}
+
+static int process_z_request(association *assoc, request *req, char **msg);
+
+static void assoc_init_reset(association *assoc)
+{
+ xfree (assoc->init);
+ assoc->init = (bend_initrequest *) xmalloc (sizeof(*assoc->init));
+
+ assoc->init->stream = assoc->encode;
+ assoc->init->print = assoc->print;
+ assoc->init->auth = 0;
+ assoc->init->referenceId = 0;
+ assoc->init->implementation_version = 0;
+ assoc->init->implementation_id = 0;
+ assoc->init->implementation_name = 0;
+ assoc->init->bend_sort = NULL;
+ assoc->init->bend_search = NULL;
+ assoc->init->bend_present = NULL;
+ assoc->init->bend_esrequest = NULL;
+ assoc->init->bend_delete = NULL;
+ assoc->init->bend_scan = NULL;
+ assoc->init->bend_segment = NULL;
+ assoc->init->bend_fetch = NULL;
+ assoc->init->bend_explain = NULL;
+
+ assoc->init->charneg_request = NULL;
+ assoc->init->charneg_response = NULL;
+
+ assoc->init->decode = assoc->decode;
+ assoc->init->peer_name =
+ odr_strdup (assoc->encode, cs_addrstr(assoc->client_link));
+}
+
+static int srw_bend_init(association *assoc)
+{
+ const char *encoding = "UTF-8";
+ Z_External *ce;
+ bend_initresult *binitres;
+ statserv_options_block *cb = statserv_getcontrol();
+
+ assoc_init_reset(assoc);
+
+ assoc->maximumRecordSize = 3000000;
+ assoc->preferredMessageSize = 3000000;
+#if 1
+ ce = yaz_set_proposal_charneg(assoc->decode, &encoding, 1, 0, 0, 1);
+ assoc->init->charneg_request = ce->u.charNeg3;
+#endif
+ if (!(binitres = (*cb->bend_init)(assoc->init)))
+ {
+ yaz_log(LOG_WARN, "Bad response from backend.");
+ return 0;
+ }
+ assoc->backend = binitres->handle;
+ return 1;
+}
+
+static int srw_bend_fetch(association *assoc, int pos,
+ Z_SRW_searchRetrieveRequest *srw_req,
+ Z_SRW_record *record)
+{
+ bend_fetch_rr rr;
+ ODR o = assoc->encode;
+
+ rr.setname = "default";
+ rr.number = pos;
+ rr.referenceId = 0;
+ rr.request_format = VAL_TEXT_XML;
+ rr.request_format_raw = yaz_oidval_to_z3950oid(assoc->decode,
+ CLASS_TRANSYN,
+ VAL_TEXT_XML);
+ rr.comp = (Z_RecordComposition *)
+ odr_malloc(assoc->decode, sizeof(*rr.comp));
+ rr.comp->which = Z_RecordComp_complex;
+ rr.comp->u.complex = (Z_CompSpec *)
+ odr_malloc(assoc->decode, sizeof(Z_CompSpec));
+ rr.comp->u.complex->selectAlternativeSyntax = (bool_t *)
+ odr_malloc(assoc->encode, sizeof(bool_t));
+ *rr.comp->u.complex->selectAlternativeSyntax = 0;
+ rr.comp->u.complex->num_dbSpecific = 0;
+ rr.comp->u.complex->dbSpecific = 0;
+ rr.comp->u.complex->num_recordSyntax = 0;
+ rr.comp->u.complex->recordSyntax = 0;
+
+ rr.comp->u.complex->generic = (Z_Specification *)
+ odr_malloc(assoc->decode, sizeof(Z_Specification));
+ rr.comp->u.complex->generic->which = Z_Schema_uri;
+ rr.comp->u.complex->generic->schema.uri = srw_req->recordSchema;
+ rr.comp->u.complex->generic->elementSpec = 0;
+
+ rr.stream = assoc->encode;
+ rr.print = assoc->print;
+
+ rr.basename = 0;
+ rr.len = 0;
+ rr.record = 0;
+ rr.last_in_set = 0;
+ rr.output_format = VAL_TEXT_XML;
+ rr.output_format_raw = 0;
+ rr.errcode = 0;
+ rr.errstring = 0;
+ rr.surrogate_flag = 0;
+ rr.schema = srw_req->recordSchema;
+
+ if (!assoc->init->bend_fetch)
+ return 1;
+
+ (*assoc->init->bend_fetch)(assoc->backend, &rr);
+
+ if (rr.len >= 0)
+ {
+ record->recordData_buf = rr.record;
+ record->recordData_len = rr.len;
+ record->recordPosition = odr_intdup(o, pos);
+ if (rr.schema)
+ record->recordSchema = odr_strdup(o, rr.schema);
+ else
+ record->recordSchema = 0;
+ }
+ return rr.errcode;
+}
+
+static void srw_bend_search(association *assoc, request *req,
+ Z_SRW_searchRetrieveRequest *srw_req,
+ Z_SRW_searchRetrieveResponse *srw_res)
+{
+ int srw_error = 0;
+ bend_search_rr rr;
+ Z_External *ext;
+
+ yaz_log(LOG_LOG, "Got SRW SearchRetrieveRequest");
+ yaz_log(LOG_DEBUG, "srw_bend_search");
+ if (!assoc->init)
+ {
+ yaz_log(LOG_DEBUG, "srw_bend_init");
+ if (!srw_bend_init(assoc))
+ {
+ srw_error = 3; /* assume Authentication error */
+
+ srw_res->num_diagnostics = 1;
+ srw_res->diagnostics = (Z_SRW_diagnostic *)
+ odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics));
+ srw_res->diagnostics[0].code =
+ odr_intdup(assoc->encode, srw_error);
+ srw_res->diagnostics[0].details = 0;
+ return;
+ }
+ }
+
+ rr.setname = "default";
+ rr.replace_set = 1;
+ rr.num_bases = 1;
+ rr.basenames = &srw_req->database;
+ rr.referenceId = 0;
+
+ rr.query = (Z_Query *) odr_malloc (assoc->decode, sizeof(*rr.query));
+
+ if (srw_req->query_type == Z_SRW_query_type_cql)
+ {
+ ext = (Z_External *) odr_malloc(assoc->decode, sizeof(*ext));
+ ext->direct_reference = odr_getoidbystr(assoc->decode,
+ "1.2.840.10003.16.2");
+ ext->indirect_reference = 0;
+ ext->descriptor = 0;
+ ext->which = Z_External_CQL;
+ ext->u.cql = srw_req->query.cql;
+
+ rr.query->which = Z_Query_type_104;
+ rr.query->u.type_104 = ext;
+ }
+ else if (srw_req->query_type == Z_SRW_query_type_pqf)
+ {
+ Z_RPNQuery *RPNquery;
+ YAZ_PQF_Parser pqf_parser;
+
+ pqf_parser = yaz_pqf_create ();
+
+ RPNquery = yaz_pqf_parse (pqf_parser, assoc->decode,
+ srw_req->query.pqf);
+ if (!RPNquery)
+ {
+ const char *pqf_msg;
+ size_t off;
+ int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
+ yaz_log(LOG_LOG, "%*s^\n", off+4, "");
+ yaz_log(LOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code);
+
+ srw_error = 10;
+ }
+
+ rr.query->which = Z_Query_type_1;
+ rr.query->u.type_1 = RPNquery;
+
+ yaz_pqf_destroy (pqf_parser);
+ }
+ else
+ srw_error = 11;
+
+ if (!srw_error && srw_req->sort_type != Z_SRW_sort_type_none)
+ srw_error = 80;
+
+ if (!srw_error && !assoc->init->bend_search)
+ srw_error = 1;
+
+ if (srw_error)
+ {
+ yaz_log(LOG_DEBUG, "srw_bend_search returned SRW error %d", srw_error);
+ srw_res->num_diagnostics = 1;
+ srw_res->diagnostics = (Z_SRW_diagnostic *)
+ odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics));
+ srw_res->diagnostics[0].code =
+ odr_intdup(assoc->encode, srw_error);
+ srw_res->diagnostics[0].details = 0;
+ return;
+ }
+
+ rr.stream = assoc->encode;
+ rr.decode = assoc->decode;
+ rr.print = assoc->print;
+ rr.request = req;
+ rr.association = assoc;
+ rr.fd = 0;
+ rr.hits = 0;
+ rr.errcode = 0;
+ rr.errstring = 0;
+ rr.search_info = 0;
+ yaz_log_zquery(rr.query);
+ (assoc->init->bend_search)(assoc->backend, &rr);
+ srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits);
+ if (rr.errcode)
+ {
+ yaz_log(LOG_DEBUG, "bend_search returned Bib-1 code %d", rr.errcode);
+ srw_res->num_diagnostics = 1;
+ srw_res->diagnostics = (Z_SRW_diagnostic *)
+ odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics));
+ srw_res->diagnostics[0].code =
+ odr_intdup(assoc->encode,
+ yaz_diag_bib1_to_srw (rr.errcode));
+ srw_res->diagnostics[0].details = rr.errstring;
+ yaz_log(LOG_DEBUG, "srw_bend_search returned SRW error %d",
+ *srw_res->diagnostics[0].code);
+
+ }
+ else
+ {
+ srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits);
+ if (srw_req->maximumRecords && *srw_req->maximumRecords > 0)
+ {
+ int number = *srw_req->maximumRecords;
+ int start = 1;
+ int i;
+
+ if (srw_req->startRecord)
+ start = *srw_req->startRecord;
+
+ yaz_log(LOG_DEBUG, "srw_bend_search. start=%d max=%d",
+ start, *srw_req->maximumRecords);
+
+ if (start <= rr.hits)
+ {
+ int j = 0;
+ int packing = Z_SRW_recordPacking_string;
+ if (start + number > rr.hits)
+ number = rr.hits - start + 1;
+ if (srw_req->recordPacking &&
+ !strcmp(srw_req->recordPacking, "xml"))
+ packing = Z_SRW_recordPacking_XML;
+ srw_res->records = (Z_SRW_record *)
+ odr_malloc(assoc->encode,
+ number * sizeof(*srw_res->records));
+ for (i = 0; i<number; i++)
+ {
+ int errcode;
+
+ srw_res->records[j].recordPacking = packing;
+ srw_res->records[j].recordData_buf = 0;
+ yaz_log(LOG_DEBUG, "srw_bend_fetch %d", i+start);
+ errcode = srw_bend_fetch(assoc, i+start, srw_req,
+ srw_res->records + j);
+ if (errcode)
+ {
+ srw_res->num_diagnostics = 1;
+ srw_res->diagnostics = (Z_SRW_diagnostic *)
+ odr_malloc(assoc->encode,
+ sizeof(*srw_res->diagnostics));
+ srw_res->diagnostics[0].code =
+ odr_intdup(assoc->encode,
+ yaz_diag_bib1_to_srw (errcode));
+ srw_res->diagnostics[0].details = rr.errstring;
+ break;
+ }
+ if (srw_res->records[j].recordData_buf)
+ j++;
+ }
+ srw_res->num_records = j;
+ if (!j)
+ srw_res->records = 0;
+ }
+ }
+ }
+}
+
+
+static void srw_bend_explain(association *assoc, request *req,
+ Z_SRW_explainRequest *srw_req,
+ Z_SRW_explainResponse *srw_res)
+{
+ yaz_log(LOG_LOG, "Got SRW ExplainRequest");
+ if (!assoc->init)
+ {
+ yaz_log(LOG_DEBUG, "srw_bend_init");
+ if (!srw_bend_init(assoc))
+ return;
+ }
+ if (assoc->init && assoc->init->bend_explain)
+ {
+ bend_explain_rr rr;
+
+ rr.stream = assoc->encode;
+ rr.decode = assoc->decode;
+ rr.print = assoc->print;
+ rr.explain_buf = 0;
+ (*assoc->init->bend_explain)(assoc->backend, &rr);
+ if (rr.explain_buf)
+ {
+ srw_res->explainData_buf = rr.explain_buf;
+ srw_res->explainData_len = strlen(rr.explain_buf);
+ }
+ }
+}
+
+static int hex_digit (int ch)
+{
+ if (ch >= '0' && ch <= '9')
+ return ch - '0';
+ else if (ch >= 'a' && ch <= 'f')
+ return ch - 'a'+10;
+ else if (ch >= 'A' && ch <= 'F')
+ return ch - 'A'+10;
+ return 0;
+}
+
+static char *uri_val(const char *path, const char *name, ODR o)
+{
+ size_t nlen = strlen(name);
+ if (*path != '?')
+ return 0;
+ path++;
+ while (path && *path)
+ {
+ const char *p1 = strchr(path, '=');
+ if (!p1)
+ break;
+ if (p1 - path == nlen && !memcmp(path, name, nlen))
+ {
+ size_t i = 0;
+ char *ret;
+
+ path = p1 + 1;
+ p1 = strchr(path, '&');
+ if (!p1)
+ p1 = strlen(path) + path;
+ ret = odr_malloc(o, p1 - path + 1);
+ while (*path && *path != '&')
+ {
+ if (*path == '+')
+ {
+ ret[i++] = ' ';
+ path++;
+ }
+ else if (*path == '%' && path[1] && path[2])
+ {
+ ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
+ path = path + 3;
+ }
+ else
+ ret[i++] = *path++;
+ }
+ ret[i] = '\0';
+ return ret;
+ }
+ path = strchr(p1, '&');
+ if (path)
+ path++;
+ }
+ return 0;
+}
+
+void uri_val_int(const char *path, const char *name, ODR o, int **intp)
+{
+ const char *v = uri_val(path, name, o);
+ if (v)
+ *intp = odr_intdup(o, atoi(v));
+}
+
+static void process_http_request(association *assoc, request *req)
+{
+ Z_HTTP_Request *hreq = req->gdu_request->u.HTTP_Request;
+ ODR o = assoc->encode;
+ Z_GDU *p = 0;
+ Z_HTTP_Response *hres = 0;
+ int keepalive = 1;
+
+ if (!strcmp(hreq->method, "GET"))
+ {
+ char *db = "Default";
+ const char *p0 = hreq->path, *p1;
+#if HAVE_XML2
+ int ret = -1;
+ char *charset = 0;
+ Z_SOAP *soap_package = 0;
+ static Z_SOAP_Handler soap_handlers[2] = {
+ {"http://www.loc.gov/zing/srw/v1.0/", 0,
+ (Z_SOAP_fun) yaz_srw_codec},
+ {0, 0, 0}
+ };
+#endif
+
+ if (*p0 == '/')
+ p0++;
+ p1 = strchr(p0, '?');
+ if (!p1)
+ p1 = p0 + strlen(p0);
+ if (p1 != p0)
+ {
+ db = odr_malloc(assoc->decode, p1 - p0 + 1);
+ memcpy (db, p0, p1 - p0);
+ db[p1 - p0] = '\0';
+ }
+#if HAVE_XML2
+ if (p1 && *p1 == '?' && p1[1])
+ {
+ Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_searchRetrieve_response);
+ Z_SRW_PDU *sr = yaz_srw_get(o, Z_SRW_searchRetrieve_request);
+ char *query = uri_val(p1, "query", o);
+ char *pQuery = uri_val(p1, "pQuery", o);
+ char *sortKeys = uri_val(p1, "sortKeys", o);
+
+ if (query)
+ {
+ sr->u.request->query_type = Z_SRW_query_type_cql;
+ sr->u.request->query.cql = query;
+ }
+ if (pQuery)
+ {
+ sr->u.request->query_type = Z_SRW_query_type_pqf;
+ sr->u.request->query.pqf = pQuery;
+ }
+ if (sortKeys)
+ {
+ sr->u.request->sort_type = Z_SRW_sort_type_sort;
+ sr->u.request->sort.sortKeys = sortKeys;
+ }
+ sr->u.request->recordSchema = uri_val(p1, "recordSchema", o);
+ sr->u.request->recordPacking = uri_val(p1, "recordPacking", o);
+ if (!sr->u.request->recordPacking)
+ sr->u.request->recordPacking = "xml";
+ uri_val_int(p1, "maximumRecords", o,
+ &sr->u.request->maximumRecords);
+ uri_val_int(p1, "startRecord", o,
+ &sr->u.request->startRecord);
+ if (sr->u.request->startRecord)
+ yaz_log(LOG_LOG, "startRecord=%d", *sr->u.request->startRecord);
+ sr->u.request->database = db;
+ srw_bend_search(assoc, req, sr->u.request, res->u.response);
+
+ soap_package = odr_malloc(o, sizeof(*soap_package));
+ soap_package->which = Z_SOAP_generic;
+
+ soap_package->u.generic =
+ odr_malloc(o, sizeof(*soap_package->u.generic));
+
+ soap_package->u.generic->p = res;
+ soap_package->u.generic->ns = soap_handlers[0].ns;
+ soap_package->u.generic->no = 0;
+
+ soap_package->ns = "SRU";
+
+ p = z_get_HTTP_Response(o, 200);
+ hres = p->u.HTTP_Response;
+
+ ret = z_soap_codec_enc(assoc->encode, &soap_package,
+ &hres->content_buf, &hres->content_len,
+ soap_handlers, charset);
+ if (!charset)
+ z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml");
+ else
+ {
+ char ctype[60];
+ strcpy(ctype, "text/xml; charset=");
+ strcat(ctype, charset);
+ z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
+ }
+
+ }
+ else
+ {
+ Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_explain_response);
+ Z_SRW_PDU *sr = yaz_srw_get(o, Z_SRW_explain_request);
+
+ srw_bend_explain(assoc, req, sr->u.explain_request,
+ res->u.explain_response);
+
+ if (res->u.explain_response->explainData_buf)
+ {
+ soap_package = odr_malloc(o, sizeof(*soap_package));
+ soap_package->which = Z_SOAP_generic;
+
+ soap_package->u.generic =
+ odr_malloc(o, sizeof(*soap_package->u.generic));
+
+ soap_package->u.generic->p = res;
+ soap_package->u.generic->ns = soap_handlers[0].ns;
+ soap_package->u.generic->no = 0;
+
+ soap_package->ns = "SRU";
+
+ p = z_get_HTTP_Response(o, 200);
+ hres = p->u.HTTP_Response;
+
+ ret = z_soap_codec_enc(assoc->encode, &soap_package,
+ &hres->content_buf, &hres->content_len,
+ soap_handlers, charset);
+ if (!charset)
+ z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml");
+ else
+ {
+ char ctype[60];
+ strcpy(ctype, "text/xml; charset=");
+ strcat(ctype, charset);
+ z_HTTP_header_add(o, &hres->headers, "Content-Type",
+ ctype);
+ }
+ }
+ }
+#endif
+#ifdef DOCDIR
+ if (strlen(hreq->path) >= 5 && strlen(hreq->path) < 80 &&
+ !memcmp(hreq->path, "/doc/", 5))
+ {
+ FILE *f;
+ char fpath[120];
+
+ strcpy(fpath, DOCDIR);
+ strcat(fpath, hreq->path+4);
+ f = fopen(fpath, "rb");
+ if (f) {
+ struct stat sbuf;
+ if (fstat(fileno(f), &sbuf) || !S_ISREG(sbuf.st_mode))
+ {
+ fclose(f);
+ f = 0;
+ }
+ }
+ if (f)
+ {
+ long sz;
+ fseek(f, 0L, SEEK_END);
+ sz = ftell(f);
+ if (sz >= 0 && sz < 500000)