1 /* This file is part of YAZ proxy
2 Copyright (C) 1998-2011 Index Data
4 YAZ proxy is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #define HAVE_SYS_STAT_H 1
21 #define HAVE_SYS_TYPES_H 1
31 #include <sys/types.h>
43 #include <yaz/marcdisp.h>
44 #include <yaz/yaz-iconv.h>
46 #include <yaz/diagbib1.h>
48 #include <yaz/pquery.h>
49 #include <yaz/otherinfo.h>
50 #include <yaz/charneg.h>
51 #include <yaz/oid_db.h>
52 #include "msg-thread.h"
54 #if YAZ_VERSIONL >= 0x03001D
55 #define YAZ_HAS_MK_SURROGATE 1
57 #define YAZ_HAS_MK_SURROGATE 0
60 using namespace yazpp_1;
63 #define strncasecmp _strnicmp
66 class YAZ_EXPORT Auth_Msg : public IMsg_Thread {
69 IMsg_Thread *handle();
81 m_nmem = nmem_create();
89 IMsg_Thread *Auth_Msg::handle()
91 ODR decode = odr_createmem(ODR_DECODE);
94 odr_setbuf(decode, m_apdu_buf, m_apdu_len, 0);
95 int r = z_APDU(decode, &apdu, 0, 0);
98 yaz_log(YLOG_WARN, "decode failed in Auth_Msg::handle");
102 m_ret = m_proxy->handle_authentication(apdu);
108 void Auth_Msg::result()
110 if (m_proxy->dec_ref())
112 yaz_log(YLOG_LOG, "Auth_Msg::proxy deleted meanwhile");
116 odr_setbuf(m_proxy->odr_decode(), m_apdu_buf, m_apdu_len, 0);
118 int r = z_APDU(m_proxy->odr_decode(), &apdu, 0, 0);
120 yaz_log(YLOG_LOG, "Auth_Msg::result z_APDU failed");
121 m_proxy->result_authentication(apdu, m_ret);
126 void Yaz_Proxy::result_authentication(Z_APDU *apdu, int ret)
128 if (apdu == 0 || ret == 0)
130 Z_APDU *apdu_reject = zget_APDU(odr_encode(), Z_APDU_initResponse);
131 *apdu_reject->u.initResponse->result = 0;
132 send_to_client(apdu_reject);
137 if (apdu->which == Z_APDU_initRequest)
139 Yaz_ProxyConfig *cfg = check_reconfigure();
141 cfg->target_authentication(m_default_target, odr_encode(),
142 apdu->u.initRequest);
144 handle_incoming_Z_PDU_2(apdu);
148 static const char *apdu_name(Z_APDU *apdu)
152 case Z_APDU_initRequest:
153 return "initRequest";
154 case Z_APDU_initResponse:
155 return "initResponse";
156 case Z_APDU_searchRequest:
157 return "searchRequest";
158 case Z_APDU_searchResponse:
159 return "searchResponse";
160 case Z_APDU_presentRequest:
161 return "presentRequest";
162 case Z_APDU_presentResponse:
163 return "presentResponse";
164 case Z_APDU_deleteResultSetRequest:
165 return "deleteResultSetRequest";
166 case Z_APDU_deleteResultSetResponse:
167 return "deleteResultSetResponse";
168 case Z_APDU_scanRequest:
169 return "scanRequest";
170 case Z_APDU_scanResponse:
171 return "scanResponse";
172 case Z_APDU_sortRequest:
173 return "sortRequest";
174 case Z_APDU_sortResponse:
175 return "sortResponse";
176 case Z_APDU_extendedServicesRequest:
177 return "extendedServicesRequest";
178 case Z_APDU_extendedServicesResponse:
179 return "extendedServicesResponse";
186 static const char *gdu_name(Z_GDU *gdu)
191 return apdu_name(gdu->u.z3950);
192 case Z_GDU_HTTP_Request:
193 return "HTTP Request";
194 case Z_GDU_HTTP_Response:
195 return "HTTP Response";
197 return "Unknown request/response";
200 Yaz_Proxy::Yaz_Proxy(IPDU_Observable *the_PDU_Observable,
201 ISocketObservable *the_socket_observable,
204 Z_Assoc(the_PDU_Observable),
205 m_bw_stat(60), m_pdu_stat(60), m_search_stat(60)
207 m_PDU_Observable = the_PDU_Observable;
208 m_socket_observable = the_socket_observable;
213 m_keepalive_limit_bw = 500000;
214 m_keepalive_limit_pdu = 1000;
216 m_default_target = 0;
217 m_proxy_negotiation_charset = 0;
218 m_proxy_negotiation_lang = 0;
219 m_proxy_negotiation_default_charset = 0;
220 m_charset_converter = new Yaz_CharsetConverter;
224 m_client_idletime = 600;
225 m_target_idletime = 600;
226 m_max_sockets = 1024;
227 m_optimize = xstrdup("1");
228 strcpy(m_session_str, "0 ");
236 m_max_connect_period = 0;
238 m_limit_connect_period = 0;
239 m_timeout_mode = timeout_normal;
241 m_max_record_retrieve = 0;
245 m_flag_invalid_session = 0;
247 m_referenceId_mem = nmem_create();
249 m_marcxml_mode = none;
250 m_stylesheet_xsp = 0;
251 m_stylesheet_nprl = 0;
252 m_stylesheet_apdu = 0;
253 m_s2z_stylesheet = 0;
257 m_backend_charset = 0;
258 m_frontend_type[0] = -1;
259 m_initRequest_apdu = 0;
260 m_initRequest_mem = 0;
261 m_initRequest_preferredMessageSize = 0;
262 m_initRequest_maximumRecordSize = 0;
263 m_initRequest_options = 0;
264 m_initRequest_version = 0;
265 m_initRequest_oi_negotiation_charsets = 0;
266 m_initRequest_oi_negotiation_num_charsets = 0;
267 m_initRequest_oi_negotiation_langs = 0;
268 m_initRequest_oi_negotiation_num_langs = 0;
269 m_initRequest_oi_negotiation_selected = 0;
270 m_apdu_invalid_session = 0;
271 m_mem_invalid_session = 0;
273 m_s2z_odr_search = 0;
276 m_s2z_search_apdu = 0;
277 m_s2z_present_apdu = 0;
279 m_http_keepalive = 0;
282 m_s2z_packing = Z_SRW_recordPacking_string;
283 #if HAVE_GETTIMEOFDAY
284 m_time_tv = xmalloc(sizeof(struct timeval));
285 struct timeval *tv = (struct timeval *) m_time_tv;
291 m_usemarcon_ini_stage1 = 0;
292 m_usemarcon_ini_stage2 = 0;
293 m_usemarcon = new Yaz_usemarcon();
296 m_backend_elementset = 0;
299 m_main_ptr_dec = false;
301 m_num_msg_threads = 0;
304 void Yaz_Proxy::inc_ref()
309 Yaz_Proxy::~Yaz_Proxy()
311 yaz_log(YLOG_LOG, "%sClosed %d/%d sent/recv bytes total", m_session_str,
312 m_bytes_sent, m_bytes_recv);
313 nmem_destroy(m_initRequest_mem);
314 nmem_destroy(m_mem_invalid_session);
315 nmem_destroy(m_referenceId_mem);
317 xfree(m_proxyTarget);
318 xfree(m_default_target);
319 xfree(m_proxy_negotiation_charset);
320 xfree(m_proxy_negotiation_lang);
321 xfree(m_proxy_negotiation_default_charset);
322 delete m_charset_converter;
326 if (m_stylesheet_xsp)
327 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
333 xfree(m_backend_type);
334 xfree(m_backend_charset);
335 xfree(m_usemarcon_ini_stage1);
336 xfree(m_usemarcon_ini_stage2);
337 xfree(m_backend_elementset);
340 odr_destroy(m_s2z_odr_init);
341 if (m_s2z_odr_search)
342 odr_destroy(m_s2z_odr_search);
344 odr_destroy(m_s2z_odr_scan);
352 void Yaz_Proxy::set_debug_mode(int mode)
357 int Yaz_Proxy::set_config(const char *config)
360 m_config = new Yaz_ProxyConfig();
361 xfree(m_config_fname);
362 m_config_fname = xstrdup(config);
363 int r = m_config->read_xml(config);
367 m_config->get_generic_info(&m_log_mask, &m_max_clients,
368 &m_max_connect, &m_limit_connect, &period,
370 m_connect.set_period(period);
375 void Yaz_Proxy::set_default_target(const char *target)
377 xfree(m_default_target);
378 m_default_target = 0;
380 m_default_target = (char *) xstrdup(target);
383 void Yaz_Proxy::set_proxy_negotiation(const char *charset, const char *lang,
384 const char *default_charset)
386 yaz_log(YLOG_DEBUG, "%sSet the proxy negotiation: charset to '%s', "
387 "default charset to '%s', language to '%s'", m_session_str,
388 charset?charset:"none",
389 default_charset?default_charset:"none",
391 xfree(m_proxy_negotiation_charset);
392 xfree(m_proxy_negotiation_lang);
393 m_proxy_negotiation_charset = m_proxy_negotiation_lang = 0;
395 m_proxy_negotiation_charset = (char *) xstrdup(charset);
397 m_proxy_negotiation_lang = (char *) xstrdup(lang);
399 m_proxy_negotiation_default_charset =
400 (char *) xstrdup(default_charset);
403 Yaz_ProxyConfig *Yaz_Proxy::check_reconfigure()
406 return m_parent->check_reconfigure();
408 Yaz_ProxyConfig *cfg = m_config;
411 yaz_log(YLOG_LOG, "reconfigure");
412 if (m_config_fname && cfg)
414 yaz_log(YLOG_LOG, "reconfigure config %s", m_config_fname);
415 int r = cfg->read_xml(m_config_fname);
417 yaz_log(YLOG_WARN, "reconfigure failed");
422 cfg->get_generic_info(&m_log_mask, &m_max_clients,
423 &m_max_connect, &m_limit_connect,
424 &period, &m_num_msg_threads);
425 m_connect.set_period(period);
429 yaz_log(YLOG_LOG, "reconfigure");
435 IPDU_Observer *Yaz_Proxy::sessionNotify(IPDU_Observable
436 *the_PDU_Observable, int fd)
440 char session_str[200];
441 const char *peername = the_PDU_Observable->getpeername();
443 peername = "nullpeer";
445 if (m_log_mask & PROXY_LOG_IP_CLIENT)
446 sprintf(session_str, "%ld:%d %.80s %d ",
447 (long) time(0), m_session_no, peername, 0);
449 sprintf(session_str, "%ld:%d %d ",
450 (long) time(0), m_session_no, 0);
453 yaz_log(YLOG_LOG, "%sNew session %s", session_str, peername);
455 Yaz_Proxy *new_proxy = new Yaz_Proxy(the_PDU_Observable,
456 m_socket_observable, this);
458 new_proxy->m_config = 0;
459 new_proxy->m_config_fname = 0;
460 new_proxy->timeout(m_client_idletime);
461 new_proxy->m_target_idletime = m_target_idletime;
462 new_proxy->set_default_target(m_default_target);
463 new_proxy->m_max_clients = m_max_clients;
464 new_proxy->m_log_mask = m_log_mask;
465 new_proxy->m_session_no = m_session_no;
466 new_proxy->m_num_msg_threads = m_num_msg_threads;
469 // in case we want to watch a particular client..
470 if (!strcmp(peername, "tcp:163.121.19.82")) // NIS GROUP
471 new_proxy->m_log_mask = 255;
474 new_proxy->set_APDU_log(get_APDU_log());
475 if (new_proxy->m_log_mask & PROXY_LOG_APDU_CLIENT)
476 new_proxy->set_APDU_yazlog(1);
478 new_proxy->set_APDU_yazlog(0);
479 strcpy(new_proxy->m_session_str, session_str);
480 new_proxy->m_peername = xstrdup(peername);
481 new_proxy->set_proxy_negotiation(m_proxy_negotiation_charset,
482 m_proxy_negotiation_lang, m_proxy_negotiation_default_charset);
483 // create thread object the first time we get an incoming connection
484 if (!m_my_thread && m_num_msg_threads > 0)
486 yaz_log(YLOG_LOG, "%sStarting message thread management. number=%d",
487 session_str, m_num_msg_threads);
488 m_my_thread = new Msg_Thread(m_socket_observable, m_num_msg_threads);
490 new_proxy->m_my_thread = m_my_thread;
494 char *Yaz_Proxy::get_cookie(Z_OtherInformation **otherInfo)
496 Z_OtherInformationUnit *oi =
497 update_otherInformation(otherInfo, 0, yaz_oid_userinfo_cookie, 1, 1);
499 if (oi && oi->which == Z_OtherInfo_characterInfo)
500 return oi->information.characterInfo;
504 char *Yaz_Proxy::get_proxy(Z_OtherInformation **otherInfo)
506 Z_OtherInformationUnit *oi =
507 update_otherInformation(otherInfo, 0, yaz_oid_userinfo_proxy, 1, 1);
509 if (oi && oi->which == Z_OtherInfo_characterInfo)
510 return oi->information.characterInfo;
513 const char *Yaz_Proxy::load_balance(const char **url)
515 int zurl_in_use[MAX_ZURL_PLEX];
516 int zurl_in_spare[MAX_ZURL_PLEX];
520 for (i = 0; i<MAX_ZURL_PLEX; i++)
523 zurl_in_spare[i] = 0;
525 for (c = m_parent->m_clientPool; c; c = c->m_next)
527 for (i = 0; url[i]; i++)
528 if (!strcmp(url[i], c->get_hostname()))
531 if (c->m_cookie == 0 && c->m_server == 0 && c->m_waiting == 0)
535 int min_use = 100000;
537 const char *ret_min = 0;
538 for (i = 0; url[i]; i++)
540 yaz_log(YLOG_DEBUG, "%szurl=%s use=%d spare=%d",
541 m_session_str, url[i], zurl_in_use[i], zurl_in_spare[i]);
542 if (min_use > zurl_in_use[i])
545 min_use = zurl_in_use[i];
547 if (max_spare < zurl_in_spare[i])
549 max_spare = zurl_in_spare[i];
555 int Yaz_Proxy::get_number_of_connections()
557 int no_connections = 0;
560 for (c = m_parent->m_clientPool; c; c = c->m_next)
563 assert(*c->m_prev == c);
564 if (!strcmp(m_proxyTarget, c->get_hostname()))
569 yaz_log(YLOG_LOG, "%sExisting %s connections: %d", m_session_str, m_proxyTarget,
571 return no_connections;
574 Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie,
575 const char *proxy_host, int *http_code)
578 Yaz_Proxy *parent = m_parent;
579 Yaz_ProxyClient *c = m_client;
583 const char *url[MAX_ZURL_PLEX];
584 Yaz_ProxyConfig *cfg = check_reconfigure();
587 if (parent && parent->m_debug_mode)
589 // only to be enabled for debugging...
590 if (!strcmp(proxy_host, "stop"))
593 xfree(m_default_target);
594 m_default_target = xstrdup(proxy_host);
596 proxy_host = m_default_target;
597 int client_idletime = -1;
598 const char *cql2rpn_fname = 0;
599 const char *negotiation_charset = 0;
600 const char *negotiation_lang = 0;
601 const char *query_charset = 0;
602 const char *default_client_query_charset = 0;
603 url[0] = m_default_target;
608 cfg->get_target_info(proxy_host, url, &m_bw_max,
609 &m_pdu_max, &m_max_record_retrieve,
611 &m_target_idletime, &client_idletime,
613 &parent->m_max_clients,
614 &m_keepalive_limit_bw,
615 &m_keepalive_limit_pdu,
618 &negotiation_charset,
621 &default_client_query_charset);
623 if (client_idletime != -1)
625 m_client_idletime = client_idletime;
626 timeout(m_client_idletime);
629 // get those FILE descriptors available
630 m_parent->low_socket_close();
632 m_cql2rpn.set_pqf_file(cql2rpn_fname);
633 // reserve them again
634 m_parent->low_socket_open();
636 if (negotiation_charset || negotiation_lang || default_client_query_charset)
638 set_proxy_negotiation(negotiation_charset,
639 negotiation_lang, default_client_query_charset);
641 m_charset_converter->set_target_query_charset(query_charset);
644 yaz_log(YLOG_LOG, "%sNo default target", m_session_str);
647 // we don't handle multiplexing for cookie session, so we just
648 // pick the first one in this case (anonymous users will be able
649 // to use any backend)
650 if (cookie && *cookie)
651 m_proxyTarget = (char*) xstrdup(url[0]);
653 m_proxyTarget = (char*) xstrdup(load_balance(url));
655 if (cookie && *cookie)
656 { // search in sessions with a cookie
657 for (c = parent->m_clientPool; c; c = c->m_next)
660 assert(*c->m_prev == c);
661 if (c->m_cookie && !strcmp(cookie,c->m_cookie) &&
662 !strcmp(m_proxyTarget, c->get_hostname()))
665 // The following handles "cancel"
666 // If connection is busy (waiting for PDU) and
667 // we have an initRequest we can safely do re-open
668 if (c->m_waiting && apdu->which == Z_APDU_initRequest)
670 yaz_log(YLOG_LOG, "%s REOPEN target=%s", m_session_str,
677 c->m_last_resultCount = 0;
678 c->m_sr_transform = 0;
680 c->m_resultSetStartPoint = 0;
681 c->m_target_idletime = m_target_idletime;
682 if (c->client(m_proxyTarget))
689 c->m_seqno = parent->m_seqno;
690 if (c->m_server && c->m_server != this)
691 c->m_server->m_client = 0;
694 yaz_log(YLOG_DEBUG, "get_client 1 %p %p", this, c);
699 else if (!c && apdu->which == Z_APDU_initRequest )
701 // anonymous sessions without cookie.
702 // if authentication is set it is NOT anonymous se we can't share them.
703 // If charset and lang negotiation is use it is NOT anonymous session too.
704 for (c = parent->m_clientPool; c; c = c->m_next)
707 assert(*c->m_prev == c);
708 if (c->m_server == 0 && c->m_cookie == 0 && c->m_waiting == 0
709 && c->compare_idAuthentication(apdu)
710 && c->compare_charset(apdu)
711 && !strcmp(m_proxyTarget, c->get_hostname()))
714 yaz_log(YLOG_LOG, "%sREUSE %d %s",
715 m_session_str, parent->m_seqno, c->get_hostname());
717 c->m_seqno = parent->m_seqno;
718 assert(c->m_server == 0);
721 if (parent->m_log_mask & PROXY_LOG_APDU_SERVER)
722 c->set_APDU_yazlog(1);
724 c->set_APDU_yazlog(0);
736 if (apdu->which != Z_APDU_initRequest)
738 yaz_log(YLOG_LOG, "%sno init request as first PDU", m_session_str);
743 int no_in_use = get_number_of_connections();
744 if (no_in_use >= m_max_sockets)
746 yaz_log(YLOG_LOG, "%smax sockets reached %d", m_session_str,
751 // go through list of clients - and find the lowest/oldest one.
752 Yaz_ProxyClient *c_min = 0;
754 int no_of_clients = 0;
755 if (parent->m_clientPool)
756 yaz_log(YLOG_DEBUG, "Existing sessions");
757 for (c = parent->m_clientPool; c; c = c->m_next)
759 yaz_log(YLOG_DEBUG, " Session %-3d wait=%d %s cookie=%s", c->m_seqno,
760 c->m_waiting, c->get_hostname(),
761 c->m_cookie ? c->m_cookie : "");
763 if (min_seq < 0 || c->m_seqno < min_seq)
765 min_seq = c->m_seqno;
769 if (no_of_clients >= parent->m_max_clients)
772 if (c->m_waiting || strcmp(m_proxyTarget, c->get_hostname()))
774 yaz_log(YLOG_LOG, "%sMAXCLIENTS %d Destroy %d",
775 m_session_str, parent->m_max_clients, c->m_seqno);
776 if (c->m_server && c->m_server != this)
777 c->m_server->dec_ref();
781 yaz_log(YLOG_LOG, "%sMAXCLIENTS %d Reuse %d %d %s",
782 m_session_str, parent->m_max_clients,
783 c->m_seqno, parent->m_seqno, c->get_hostname());
787 c->m_cookie = xstrdup(cookie);
788 c->m_seqno = parent->m_seqno;
789 if (c->m_server && c->m_server != this)
791 c->m_server->m_client = 0;
792 c->m_server->dec_ref();
795 c->m_target_idletime = m_target_idletime;
796 c->timeout(m_target_idletime);
798 if (parent->m_log_mask & PROXY_LOG_APDU_SERVER)
799 c->set_APDU_yazlog(1);
801 c->set_APDU_yazlog(0);
809 yaz_log(YLOG_LOG, "%sNEW %d %s",
810 m_session_str, parent->m_seqno, m_proxyTarget);
811 c = new Yaz_ProxyClient(m_PDU_Observable->clone(), parent);
812 c->m_next = parent->m_clientPool;
814 c->m_next->m_prev = &c->m_next;
815 parent->m_clientPool = c;
816 c->m_prev = &parent->m_clientPool;
822 c->m_cookie = xstrdup(cookie);
824 c->m_seqno = parent->m_seqno;
826 c->m_last_resultCount = 0;
829 c->m_sr_transform = 0;
831 c->m_resultSetStartPoint = 0;
833 if (c->client(m_proxyTarget))
838 c->m_target_idletime = m_target_idletime;
841 if (parent->m_log_mask & PROXY_LOG_APDU_SERVER)
842 c->set_APDU_yazlog(1);
844 c->set_APDU_yazlog(0);
846 c->set_idAuthentication(apdu);
848 yaz_log(YLOG_DEBUG, "get_client 3 %p %p", this, c);
852 void Yaz_Proxy::display_diagrecs(Z_DiagRec **pp, int num)
855 for (i = 0; i<num; i++)
857 Z_DefaultDiagFormat *r;
858 Z_DiagRec *p = pp[i];
859 if (p->which != Z_DiagRec_defaultFormat)
861 yaz_log(YLOG_LOG, "%sError no diagnostics", m_session_str);
865 r = p->u.defaultFormat;
868 case Z_DefaultDiagFormat_v2Addinfo:
869 yaz_log(YLOG_LOG, "%sError " ODR_INT_PRINTF " %s:%s",
871 *r->condition, diagbib1_str(*r->condition),
874 case Z_DefaultDiagFormat_v3Addinfo:
875 yaz_log(YLOG_LOG, "%sError " ODR_INT_PRINTF " %s:%s",
877 *r->condition, diagbib1_str(*r->condition),
884 int Yaz_Proxy::convert_xsl(Z_NamePlusRecordList *p, Z_APDU *apdu)
886 if (!m_stylesheet_xsp || p->num_records <= 0)
888 return 0; /* no XSLT to be done ... */
891 m_stylesheet_offset = 0;
892 m_stylesheet_nprl = p;
893 m_stylesheet_apdu = apdu;
894 m_timeout_mode = timeout_xsl;
900 void Yaz_Proxy::convert_xsl_delay()
903 Z_NamePlusRecord *npr = m_stylesheet_nprl->records[m_stylesheet_offset];
904 if (npr->which == Z_NamePlusRecord_databaseRecord)
906 Z_External *r = npr->u.databaseRecord;
907 if (r->which == Z_External_octet)
910 fwrite((char*) r->u.octet_aligned->buf, 1, r->u.octet_aligned->len, stdout);
912 xmlDocPtr res, doc = xmlParseMemory(
913 (char*) r->u.octet_aligned->buf,
914 r->u.octet_aligned->len);
917 yaz_log(YLOG_LOG, "%sXSLT convert %d",
918 m_session_str, m_stylesheet_offset);
919 res = xsltApplyStylesheet((xsltStylesheetPtr) m_stylesheet_xsp,
926 xmlDocDumpFormatMemory(res, &out_buf, &out_len, 1);
927 m_stylesheet_nprl->records[m_stylesheet_offset]->
929 z_ext_record_oid(odr_encode(), yaz_oid_recsyn_xml,
930 (char*) out_buf, out_len);
939 m_stylesheet_offset++;
940 if (m_stylesheet_offset == m_stylesheet_nprl->num_records)
942 m_timeout_mode = timeout_normal;
943 m_stylesheet_nprl = 0;
945 if (m_stylesheet_xsp)
946 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
948 m_stylesheet_xsp = 0;
949 timeout(m_client_idletime);
950 send_PDU_convert(m_stylesheet_apdu);
956 void Yaz_Proxy::convert_to_frontend_type(Z_NamePlusRecordList *p)
958 if (m_frontend_type[0] != -1)
961 for (i = 0; i < p->num_records; i++)
963 Z_NamePlusRecord *npr = p->records[i];
964 if (npr->which == Z_NamePlusRecord_databaseRecord)
966 Z_External *r = npr->u.databaseRecord;
967 if (r->which == Z_External_octet)
970 if (m_usemarcon_ini_stage1 && *m_usemarcon_ini_stage1)
971 yaz_log(YLOG_LOG, "%sError: USEMARCON requested but not available",
975 yaz_log(YLOG_DEBUG, "%sUSEMARCON stage1=%s stage2=%s",
977 m_usemarcon_ini_stage1 ? m_usemarcon_ini_stage1 : "(none)",
978 m_usemarcon_ini_stage2 ? m_usemarcon_ini_stage2 : "(none)");
981 if (m_usemarcon->convert(m_usemarcon_ini_stage1, m_usemarcon_ini_stage2,
982 (char*) r->u.octet_aligned->buf, r->u.octet_aligned->len,
983 &converted, &convlen))
985 npr->u.databaseRecord =
986 z_ext_record_oid(odr_encode(),
995 npr->u.databaseRecord =
996 z_ext_record_oid(odr_encode(),
998 (char*) r->u.octet_aligned->buf,
999 r->u.octet_aligned->len);
1006 void Yaz_Proxy::convert_records_charset(Z_NamePlusRecordList *p,
1007 const char *backend_charset)
1009 int sel = m_charset_converter->get_client_charset_selected();
1010 const char *client_record_charset =
1011 m_charset_converter->get_client_query_charset();
1012 if (sel && backend_charset && client_record_charset &&
1013 strcmp(backend_charset, client_record_charset))
1016 yaz_iconv_t cd = yaz_iconv_open(client_record_charset,
1018 yaz_marc_t mt = yaz_marc_create();
1019 yaz_marc_xml(mt, YAZ_MARC_ISO2709);
1020 yaz_marc_iconv(mt, cd);
1021 for (i = 0; i < p->num_records; i++)
1023 Z_NamePlusRecord *npr = p->records[i];
1024 if (npr->which == Z_NamePlusRecord_databaseRecord)
1026 Z_External *r = npr->u.databaseRecord;
1027 const Odr_oid *oid = r->direct_reference;
1031 if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
1033 WRBUF w = wrbuf_alloc();
1035 wrbuf_iconv_write(w, cd, (char*) r->u.octet_aligned->buf,
1036 r->u.octet_aligned->len);
1037 npr->u.databaseRecord =
1038 z_ext_record_oid(odr_encode(), oid, wrbuf_buf(w),
1042 else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
1046 else if (r->which == Z_External_octet)
1050 if (yaz_marc_decode_buf(mt,
1051 (char*) r->u.octet_aligned->buf,
1052 r->u.octet_aligned->len,
1055 npr->u.databaseRecord =
1056 z_ext_record_oid(odr_encode(), oid, result, rlen);
1057 yaz_log(YLOG_LOG, "%sRecoding MARC record",
1064 yaz_iconv_close(cd);
1065 yaz_marc_destroy(mt);
1069 void Yaz_Proxy::convert_to_marcxml(Z_NamePlusRecordList *p,
1070 const char *backend_charset)
1073 if (!backend_charset)
1074 backend_charset = "MARC-8";
1075 yaz_iconv_t cd = yaz_iconv_open("UTF-8", backend_charset);
1076 yaz_marc_t mt = yaz_marc_create();
1077 yaz_marc_xml(mt, YAZ_MARC_MARCXML);
1078 yaz_marc_iconv(mt, cd);
1079 for (i = 0; i < p->num_records; i++)
1081 Z_NamePlusRecord *npr = p->records[i];
1082 if (npr->which == Z_NamePlusRecord_databaseRecord)
1084 Z_External *r = npr->u.databaseRecord;
1085 if (r->which == Z_External_OPAC)
1087 WRBUF w = wrbuf_alloc();
1089 yaz_opac_decode_wrbuf(mt, r->u.opac, w);
1090 npr->u.databaseRecord = z_ext_record_oid(
1091 odr_encode(), yaz_oid_recsyn_xml,
1092 wrbuf_buf(w), wrbuf_len(w));
1095 else if (r->which == Z_External_octet)
1099 if (yaz_marc_decode_buf(mt, (char*) r->u.octet_aligned->buf,
1100 r->u.octet_aligned->len,
1103 npr->u.databaseRecord =
1104 z_ext_record_oid(odr_encode(), yaz_oid_recsyn_xml,
1111 yaz_iconv_close(cd);
1112 yaz_marc_destroy(mt);
1115 void Yaz_Proxy::logtime()
1117 #if HAVE_GETTIMEOFDAY
1118 struct timeval *tv = (struct timeval*) m_time_tv;
1122 gettimeofday(&tv1, 0);
1123 long diff = (tv1.tv_sec - tv->tv_sec)*1000000 +
1124 (tv1.tv_usec - tv->tv_usec);
1126 yaz_log(YLOG_LOG, "%sElapsed %ld.%03ld", m_session_str,
1127 diff/1000000, (diff/1000)%1000);
1134 int Yaz_Proxy::send_http_response(int code)
1136 ODR o = odr_encode();
1137 Z_GDU *gdu = z_get_HTTP_Response(o, code);
1138 Z_HTTP_Response *hres = gdu->u.HTTP_Response;
1140 hres->version = odr_strdup(o, m_http_version);
1141 if (m_http_keepalive)
1142 z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
1146 z_HTTP_header_add(o, &hres->headers, "WWW-Authenticate",
1147 "Basic realm=\"YAZ Proxy\"");
1150 if (m_log_mask & PROXY_LOG_REQ_CLIENT)
1152 yaz_log (YLOG_LOG, "%sSending %s to client", m_session_str,
1156 int r = send_GDU(gdu, &len);
1157 m_bytes_sent += len;
1158 m_bw_stat.add_bytes(len);
1161 recv_GDU_more(true);
1166 int Yaz_Proxy::send_srw_response(Z_SRW_PDU *srw_pdu, int http_code /* = 200 */)
1168 ODR o = odr_encode();
1169 const char *ctype = "text/xml";
1170 Z_GDU *gdu = z_get_HTTP_Response(o, http_code);
1171 Z_HTTP_Response *hres = gdu->u.HTTP_Response;
1173 hres->version = odr_strdup(o, m_http_version);
1174 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
1175 if (m_http_keepalive)
1176 z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
1179 if (http_code == 401)
1180 z_HTTP_header_add(o, &hres->headers, "WWW-Authenticate", "Basic realm=\"YAZ Proxy\"");
1182 static Z_SOAP_Handler soap_handlers[2] = {
1184 { (char*) "http://www.loc.gov/zing/srw/", 0,
1185 (Z_SOAP_fun) yaz_srw_codec},
1190 Z_SOAP *soap_package = (Z_SOAP*) odr_malloc(o, sizeof(Z_SOAP));
1191 soap_package->which = Z_SOAP_generic;
1192 soap_package->u.generic =
1193 (Z_SOAP_Generic *) odr_malloc(o, sizeof(*soap_package->u.generic));
1194 soap_package->u.generic->no = 0;
1195 soap_package->u.generic->ns = soap_handlers[0].ns;
1196 soap_package->u.generic->p = (void *) srw_pdu;
1197 soap_package->ns = m_soap_ns;
1198 z_soap_codec_enc_xsl(o, &soap_package,
1199 &hres->content_buf, &hres->content_len,
1200 soap_handlers, 0, m_s2z_stylesheet);
1201 if (m_log_mask & PROXY_LOG_REQ_CLIENT)
1203 yaz_log(YLOG_LOG, "%sSending %s to client", m_session_str,
1207 int r = send_GDU(gdu, &len);
1208 m_bytes_sent += len;
1209 m_bw_stat.add_bytes(len);
1212 recv_GDU_more(true);
1217 int Yaz_Proxy::send_to_srw_client_error(int srw_error, const char *add)
1219 ODR o = odr_encode();
1220 Z_SRW_diagnostic *diagnostic = (Z_SRW_diagnostic *)
1221 odr_malloc(o, sizeof(*diagnostic));
1222 int num_diagnostic = 1;
1223 yaz_mk_std_diagnostic(o, diagnostic, srw_error, add);
1224 return send_srw_search_response(diagnostic, num_diagnostic, srw_error == 3 ? 401 : 200);
1227 int Yaz_Proxy::z_to_srw_diag(ODR o, Z_SRW_searchRetrieveResponse *srw_res,
1228 Z_DefaultDiagFormat *ddf)
1230 int bib1_code = *ddf->condition;
1231 if (bib1_code == 109)
1233 srw_res->num_diagnostics = 1;
1234 srw_res->diagnostics = (Z_SRW_diagnostic *)
1235 odr_malloc(o, sizeof(*srw_res->diagnostics));
1236 yaz_mk_std_diagnostic(o, srw_res->diagnostics,
1237 yaz_diag_bib1_to_srw(*ddf->condition),
1242 int Yaz_Proxy::z_to_srw_diag(ODR o, Z_SRW_scanResponse *srw_res,
1245 if (dr->which == Z_DiagRec_defaultFormat)
1247 int bib1_code = *dr->u.defaultFormat->condition;
1248 if (bib1_code == 109)
1250 srw_res->num_diagnostics = 1;
1251 srw_res->diagnostics = (Z_SRW_diagnostic *)
1252 odr_malloc(o, sizeof(*srw_res->diagnostics));
1253 yaz_mk_std_diagnostic(o, srw_res->diagnostics,
1254 yaz_diag_bib1_to_srw(*dr->u.defaultFormat->condition),
1255 dr->u.defaultFormat->u.v2Addinfo);
1260 #if YAZ_HAS_MK_SURROGATE
1262 static void yazproxy_mk_sru_surrogate(ODR o, Z_SRW_record *record, int pos,
1263 int code, const char *details)
1265 const char *message = yaz_diag_srw_str(code);
1268 len += strlen(message);
1270 len += strlen(details);
1272 record->recordData_buf = (char *) odr_malloc(o, len);
1274 sprintf(record->recordData_buf, "<diagnostic "
1275 "xmlns=\"http://www.loc.gov/zing/srw/diagnostic/\">\n"
1276 " <uri>info:srw/diagnostic/1/%d</uri>\n", code);
1278 sprintf(record->recordData_buf + strlen(record->recordData_buf),
1279 " <details>%s</details>\n", details);
1281 sprintf(record->recordData_buf + strlen(record->recordData_buf),
1282 " <message>%s</message>\n", message);
1283 sprintf(record->recordData_buf + strlen(record->recordData_buf),
1285 record->recordData_len = strlen(record->recordData_buf);
1286 record->recordPosition = odr_intdup(o, pos);
1287 record->recordSchema = odr_strdup(o, "info:srw/schema/1/diagnostics-v1.1");
1291 int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records, int start)
1293 ODR o = odr_encode();
1294 Z_SRW_PDU *srw_pdu = yaz_srw_get(o, Z_SRW_searchRetrieve_response);
1295 Z_SRW_searchRetrieveResponse *srw_res = srw_pdu->u.response;
1297 srw_res->numberOfRecords = odr_intdup (o, hits);
1298 if (records && records->which == Z_Records_DBOSD)
1300 srw_res->num_records =
1301 records->u.databaseOrSurDiagnostics->num_records;
1303 srw_res->records = (Z_SRW_record *)
1304 odr_malloc(o, srw_res->num_records * sizeof(Z_SRW_record));
1305 for (i = 0; i < srw_res->num_records; i++)
1307 Z_NamePlusRecord *npr = records->u.databaseOrSurDiagnostics->records[i];
1308 if (npr->which != Z_NamePlusRecord_databaseRecord)
1310 #if YAZ_HAS_MK_SURROGATE
1311 yaz_mk_sru_surrogate(
1312 o, srw_res->records + i, i+start,
1313 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
1315 yazproxy_mk_sru_surrogate(
1316 o, srw_res->records + i, i+start,
1317 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
1321 Z_External *r = npr->u.databaseRecord;
1323 if (r->which == Z_External_octet
1324 && !oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
1326 srw_res->records[i].recordSchema = m_schema;
1327 srw_res->records[i].recordPacking = m_s2z_packing;
1328 srw_res->records[i].recordData_buf = (char*)
1329 r->u.octet_aligned->buf;
1330 srw_res->records[i].recordData_len = r->u.octet_aligned->len;
1331 srw_res->records[i].recordPosition = odr_intdup(o, i+start);
1335 #if YAZ_HAS_MK_SURROGATE
1336 yaz_mk_sru_surrogate(
1337 o, srw_res->records + i, i+start,
1338 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
1340 yazproxy_mk_sru_surrogate(
1341 o, srw_res->records + i, i+start,
1342 YAZ_SRW_RECORD_NOT_AVAILABLE_IN_THIS_SCHEMA, 0);
1347 if (records && records->which == Z_Records_NSD)
1350 http_code = z_to_srw_diag(odr_encode(), srw_res,
1351 records->u.nonSurrogateDiagnostic);
1353 return send_http_response(http_code);
1355 return send_srw_response(srw_pdu);
1359 int Yaz_Proxy::send_to_srw_client_ok(Z_ListEntries *entries)
1361 ODR o = odr_encode();
1362 Z_SRW_PDU *srw_pdu = yaz_srw_get(o, Z_SRW_scan_response);
1363 Z_SRW_scanResponse *srw_res = srw_pdu->u.scan_response;
1365 if (entries && entries->num_entries > 0)
1367 srw_res->num_terms = entries->num_entries;
1369 srw_res->terms = (Z_SRW_scanTerm *)
1370 odr_malloc(o, srw_res->num_terms * sizeof(Z_SRW_scanTerm));
1371 for (i = 0; i < srw_res->num_terms; i++)
1373 if (entries->entries[i]->which == Z_Entry_termInfo)
1375 switch(entries->entries[i]->u.termInfo->term->which)
1377 case Z_Term_general:
1378 srw_res->terms[i].value = odr_strdupn(o,
1379 (char *) entries->entries[i]->u.termInfo->term->u.general->buf,
1380 entries->entries[i]->u.termInfo->term->u.general->len);
1383 srw_res->terms[i].value = NULL;
1385 if (entries->entries[i]->u.termInfo->globalOccurrences != NULL)
1386 srw_res->terms[i].numberOfRecords = odr_intdup(o,
1387 *entries->entries[i]->u.termInfo->globalOccurrences);
1389 srw_res->terms[i].numberOfRecords = NULL;
1390 if (entries->entries[i]->u.termInfo->displayTerm != NULL)
1391 srw_res->terms[i].displayTerm = odr_strdup(o,
1392 entries->entries[i]->u.termInfo->displayTerm);
1394 srw_res->terms[i].displayTerm = NULL;
1395 srw_res->terms[i].whereInList = NULL;
1399 if (entries && entries->num_nonsurrogateDiagnostics > 0)
1402 http_code = z_to_srw_diag(odr_encode(), srw_res,
1403 entries->nonsurrogateDiagnostics[0]);
1405 return send_http_response(http_code);
1407 return send_srw_response(srw_pdu);
1411 int Yaz_Proxy::send_srw_search_response(Z_SRW_diagnostic *diagnostics,
1412 int num_diagnostics, int http_code /* = 200 */)
1414 ODR o = odr_encode();
1415 Z_SRW_PDU *srw_pdu = yaz_srw_get(o, Z_SRW_searchRetrieve_response);
1416 Z_SRW_searchRetrieveResponse *srw_res = srw_pdu->u.response;
1418 srw_res->num_diagnostics = num_diagnostics;
1419 srw_res->diagnostics = diagnostics;
1420 return send_srw_response(srw_pdu, http_code);
1423 int Yaz_Proxy::send_srw_scan_response(Z_SRW_diagnostic *diagnostics,
1424 int num_diagnostics, int http_code /* = 200 */)
1426 ODR o = odr_encode();
1427 Z_SRW_PDU *srw_pdu = yaz_srw_get(o, Z_SRW_scan_response);
1428 Z_SRW_scanResponse *srw_res = srw_pdu->u.scan_response;
1430 srw_res->num_diagnostics = num_diagnostics;
1431 srw_res->diagnostics = diagnostics;
1432 return send_srw_response(srw_pdu, http_code);
1435 int Yaz_Proxy::send_srw_explain_response(Z_SRW_diagnostic *diagnostics,
1436 int num_diagnostics)
1438 int http_status = 404;
1439 Yaz_ProxyConfig *cfg = check_reconfigure();
1443 char *b = cfg->get_explain_doc(odr_encode(), 0 /* target */,
1444 m_s2z_database, &len, &http_status);
1447 Z_SRW_PDU *res = yaz_srw_get(odr_encode(), Z_SRW_explain_response);
1448 Z_SRW_explainResponse *er = res->u.explain_response;
1450 er->record.recordData_buf = b;
1451 er->record.recordData_len = len;
1452 er->record.recordPacking = m_s2z_packing;
1453 er->record.recordSchema = odr_strdup(odr_encode(),
1454 "http://explain.z3950.org/dtd/2.0/");
1456 er->diagnostics = diagnostics;
1457 er->num_diagnostics = num_diagnostics;
1458 return send_srw_response(res);
1461 return send_http_response(http_status);
1464 int Yaz_Proxy::send_PDU_convert(Z_APDU *apdu)
1468 if (apdu->which == Z_APDU_initResponse)
1470 Z_InitResponse *res = apdu->u.initResponse;
1471 if (*res->result == 0)
1473 send_to_srw_client_error(3, 0);
1475 else if (m_s2z_search_apdu)
1477 handle_incoming_Z_PDU(m_s2z_search_apdu);
1479 else if (m_s2z_scan_apdu)
1481 handle_incoming_Z_PDU(m_s2z_scan_apdu);
1485 send_srw_explain_response(0, 0);
1488 else if (m_s2z_search_apdu && apdu->which == Z_APDU_searchResponse)
1490 m_s2z_search_apdu = 0;
1491 Z_SearchResponse *res = apdu->u.searchResponse;
1492 m_s2z_hit_count = *res->resultCount;
1493 if (res->records && res->records->which == Z_Records_NSD)
1495 send_to_srw_client_ok(0, res->records, 1);
1497 else if (m_s2z_present_apdu && m_s2z_hit_count > 0)
1500 Z_PresentRequest *pr = m_s2z_present_apdu->u.presentRequest;
1502 if (*pr->resultSetStartPoint <= m_s2z_hit_count)
1504 if (*pr->numberOfRecordsRequested+ *pr->resultSetStartPoint
1506 *pr->numberOfRecordsRequested =
1507 1 + m_s2z_hit_count - *pr->resultSetStartPoint;
1509 handle_incoming_Z_PDU(m_s2z_present_apdu);
1513 m_s2z_present_apdu = 0;
1514 send_to_srw_client_ok(m_s2z_hit_count, res->records, 1);
1517 else if (m_s2z_present_apdu && apdu->which == Z_APDU_presentResponse)
1520 *m_s2z_present_apdu->u.presentRequest->resultSetStartPoint;
1522 m_s2z_present_apdu = 0;
1523 Z_PresentResponse *res = apdu->u.presentResponse;
1524 send_to_srw_client_ok(m_s2z_hit_count, res->records, start);
1526 else if (m_s2z_scan_apdu && apdu->which == Z_APDU_scanResponse)
1528 Z_ScanResponse *res = apdu->u.scanResponse;
1529 send_to_srw_client_ok(res->entries);
1535 if (m_log_mask & PROXY_LOG_REQ_CLIENT)
1536 yaz_log(YLOG_LOG, "%sSending %s to client", m_session_str,
1538 int r = send_Z_PDU(apdu, &len);
1539 m_bytes_sent += len;
1540 m_bw_stat.add_bytes(len);
1547 int Yaz_Proxy::send_to_client(Z_APDU *apdu)
1549 int kill_session = 0;
1550 Z_ReferenceId **new_id = get_referenceIdP(apdu);
1553 *new_id = m_referenceId;
1555 if (apdu->which == Z_APDU_searchResponse)
1557 Z_SearchResponse *sr = apdu->u.searchResponse;
1558 Z_Records *p = sr->records;
1559 if (p && p->which == Z_Records_NSD)
1561 Z_DiagRec dr, *dr_p = &dr;
1562 dr.which = Z_DiagRec_defaultFormat;
1563 dr.u.defaultFormat = p->u.nonSurrogateDiagnostic;
1565 *sr->searchStatus = 0;
1566 display_diagrecs(&dr_p, 1);
1570 if (p && p->which == Z_Records_DBOSD)
1574 || m_usemarcon_ini_stage1 || m_usemarcon_ini_stage2
1577 convert_to_frontend_type(p->u.databaseOrSurDiagnostics);
1578 if (m_marcxml_mode == marcxml)
1579 convert_to_marcxml(p->u.databaseOrSurDiagnostics,
1582 convert_records_charset(p->u.databaseOrSurDiagnostics,
1584 if (convert_xsl(p->u.databaseOrSurDiagnostics, apdu))
1588 if (sr->resultCount)
1590 yaz_log(YLOG_LOG, "%s" ODR_INT_PRINTF " hits", m_session_str,
1592 if (*sr->resultCount < 0)
1594 m_flag_invalid_session = 1;
1597 *sr->searchStatus = 0;
1599 create_nonSurrogateDiagnostics(odr_encode(), 2, 0);
1600 *sr->resultCount = 0;
1605 else if (apdu->which == Z_APDU_presentResponse)
1607 Z_PresentResponse *sr = apdu->u.presentResponse;
1608 Z_Records *p = sr->records;
1609 if (p && p->which == Z_Records_NSD)
1611 Z_DiagRec dr, *dr_p = &dr;
1612 dr.which = Z_DiagRec_defaultFormat;
1613 dr.u.defaultFormat = p->u.nonSurrogateDiagnostic;
1614 if (*sr->presentStatus == Z_PresentStatus_success)
1615 *sr->presentStatus = Z_PresentStatus_failure;
1616 display_diagrecs(&dr_p, 1);
1618 if (p && p->which == Z_Records_DBOSD)
1622 || m_usemarcon_ini_stage1 || m_usemarcon_ini_stage2
1625 convert_to_frontend_type(p->u.databaseOrSurDiagnostics);
1626 if (m_marcxml_mode == marcxml)
1627 convert_to_marcxml(p->u.databaseOrSurDiagnostics,
1630 convert_records_charset(p->u.databaseOrSurDiagnostics,
1632 if (convert_xsl(p->u.databaseOrSurDiagnostics, apdu))
1636 else if (apdu->which == Z_APDU_initResponse)
1638 //Get and check negotiation record
1639 //from init response.
1640 handle_charset_lang_negotiation(apdu);
1642 if (m_initRequest_options)
1645 (Odr_bitmask *)odr_malloc(odr_encode(),
1646 sizeof(Odr_bitmask));
1647 ODR_MASK_ZERO(nopt);
1650 for (i = 0; i<24; i++)
1651 if (ODR_MASK_GET(m_initRequest_options, i) &&
1652 ODR_MASK_GET(apdu->u.initResponse->options, i))
1653 ODR_MASK_SET(nopt, i);
1654 apdu->u.initResponse->options = nopt;
1656 if (m_initRequest_version)
1658 Z_ProtocolVersion *nopt =
1659 (Odr_bitmask *)odr_malloc(odr_encode(),
1660 sizeof(Odr_bitmask));
1661 ODR_MASK_ZERO(nopt);
1664 for (i = 0; i<8; i++)
1665 if (ODR_MASK_GET(m_initRequest_version, i) &&
1666 ODR_MASK_GET(apdu->u.initResponse->protocolVersion, i))
1667 ODR_MASK_SET(nopt, i);
1668 apdu->u.initResponse->protocolVersion = nopt;
1670 apdu->u.initResponse->preferredMessageSize =
1671 odr_intdup(odr_encode(),
1672 m_client->m_initResponse_preferredMessageSize >
1673 m_initRequest_preferredMessageSize ?
1674 m_initRequest_preferredMessageSize :
1675 m_client->m_initResponse_preferredMessageSize);
1676 apdu->u.initResponse->maximumRecordSize =
1677 odr_intdup(odr_encode(),
1678 m_client->m_initResponse_maximumRecordSize >
1679 m_initRequest_maximumRecordSize ?
1680 m_initRequest_maximumRecordSize :
1681 m_client->m_initResponse_maximumRecordSize);
1684 int r = send_PDU_convert(apdu);
1691 m_parent->pre_init();
1696 void Yaz_ProxyClient::set_idAuthentication(Z_APDU *apdu)
1698 Z_IdAuthentication *t = apdu->u.initRequest->idAuthentication;
1700 odr_reset(m_idAuthentication_odr);
1701 z_IdAuthentication(m_idAuthentication_odr, &t, 1, 0);
1702 m_idAuthentication_ber_buf =
1703 odr_getbuf(m_idAuthentication_odr,
1704 &m_idAuthentication_ber_size, 0);
1707 bool Yaz_ProxyClient::compare_charset(Z_APDU *apdu)
1712 bool Yaz_ProxyClient::compare_idAuthentication(Z_APDU *apdu)
1714 Z_IdAuthentication *t = apdu->u.initRequest->idAuthentication;
1715 ODR odr = odr_createmem(ODR_ENCODE);
1717 z_IdAuthentication(odr, &t, 1, 0);
1719 char *buf = odr_getbuf(odr, &sz, 0);
1720 if (buf && m_idAuthentication_ber_buf
1721 && sz == m_idAuthentication_ber_size
1722 && !memcmp(m_idAuthentication_ber_buf, buf, sz))
1728 if (!buf && !m_idAuthentication_ber_buf)
1733 int Yaz_ProxyClient::send_to_target(Z_APDU *apdu)
1736 const char *apdu_name_tmp = apdu_name(apdu);
1737 int r = send_Z_PDU(apdu, &len);
1738 if (m_root->get_log_mask() & PROXY_LOG_REQ_SERVER)
1739 yaz_log(YLOG_LOG, "%sSending %s to %s %d bytes",
1741 apdu_name_tmp, get_hostname(), len);
1742 m_bytes_sent += len;
1746 Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu)
1748 if (apdu->which == Z_APDU_presentRequest)
1750 Z_PresentRequest *pr = apdu->u.presentRequest;
1751 int toget = *pr->numberOfRecordsRequested;
1752 int start = *pr->resultSetStartPoint;
1754 yaz_log(YLOG_LOG, "%sPresent %s %d+%d", m_session_str,
1755 pr->resultSetId, start, toget);
1757 if (*m_parent->m_optimize == '0')
1760 if (!m_client->m_last_resultSetId)
1762 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse);
1763 new_apdu->u.presentResponse->records =
1764 create_nonSurrogateDiagnostics(
1766 YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
1768 send_to_client(new_apdu);
1771 if (start < 1 || toget < 0)
1773 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse);
1774 new_apdu->u.presentResponse->records =
1775 create_nonSurrogateDiagnostics(
1777 YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE,
1779 send_to_client(new_apdu);
1782 if (!strcmp(m_client->m_last_resultSetId, pr->resultSetId))
1784 if (start+toget-1 > m_client->m_last_resultCount)
1786 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse);
1787 new_apdu->u.presentResponse->records =
1788 create_nonSurrogateDiagnostics(
1790 YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE,
1792 send_to_client(new_apdu);
1795 Z_NamePlusRecordList *npr;
1797 yaz_log(YLOG_LOG, "%sCache lookup %d+%d syntax=%s",
1798 m_session_str, start, toget, yaz_z3950oid_to_str(
1799 pr->preferredRecordSyntax, &oclass));
1801 if (m_client->m_cache.lookup (odr_encode(), &npr, start, toget,
1802 pr->preferredRecordSyntax,
1803 pr->recordComposition))
1805 yaz_log(YLOG_LOG, "%sReturned cached records for present request",
1807 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse);
1808 new_apdu->u.presentResponse->referenceId = pr->referenceId;
1810 new_apdu->u.presentResponse->numberOfRecordsReturned
1811 = odr_intdup(odr_encode(), toget);
1813 new_apdu->u.presentResponse->records = (Z_Records*)
1814 odr_malloc(odr_encode(), sizeof(Z_Records));
1815 new_apdu->u.presentResponse->records->which = Z_Records_DBOSD;
1816 new_apdu->u.presentResponse->records->u.databaseOrSurDiagnostics = npr;
1817 new_apdu->u.presentResponse->nextResultSetPosition =
1818 odr_intdup(odr_encode(), start+toget);
1820 send_to_client(new_apdu);
1826 if (apdu->which != Z_APDU_searchRequest)
1828 Z_SearchRequest *sr = apdu->u.searchRequest;
1829 Yaz_Z_Query *this_query = new Yaz_Z_Query;
1830 Yaz_Z_Databases this_databases;
1832 this_databases.set(sr->num_databaseNames, (const char **)
1835 this_query->set_Z_Query(sr->query);
1837 // Check for non-negative piggyback params.
1838 if (*sr->smallSetUpperBound < 0
1839 || *sr->largeSetLowerBound < 0
1840 || *sr->mediumSetPresentNumber < 0)
1842 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
1843 // Not a present request.. But can't find better diagnostic
1844 new_apdu->u.searchResponse->records =
1845 create_nonSurrogateDiagnostics(
1847 YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE, 0);
1848 send_to_client(new_apdu);
1852 char query_str[4096];
1853 this_query->print(query_str, sizeof(query_str)-1);
1854 yaz_log(YLOG_LOG, "%sSearch %s", m_session_str, query_str);
1856 if (*m_parent->m_optimize != '0' &&
1857 m_client->m_last_ok && m_client->m_last_query &&
1858 m_client->m_last_query->match(this_query) &&
1859 !strcmp(m_client->m_last_resultSetId, sr->resultSetName) &&
1860 m_client->m_last_databases.match(this_databases))
1863 if (m_client->m_last_resultCount > *sr->smallSetUpperBound &&
1864 m_client->m_last_resultCount < *sr->largeSetLowerBound)
1866 Z_NamePlusRecordList *npr;
1867 int toget = *sr->mediumSetPresentNumber;
1868 Z_RecordComposition *comp = 0;
1870 if (toget > m_client->m_last_resultCount)
1871 toget = m_client->m_last_resultCount;
1873 if (sr->mediumSetElementSetNames)
1875 comp = (Z_RecordComposition *)
1876 odr_malloc(odr_encode(), sizeof(Z_RecordComposition));
1877 comp->which = Z_RecordComp_simple;
1878 comp->u.simple = sr->mediumSetElementSetNames;
1881 if (m_client->m_cache.lookup (odr_encode(), &npr, 1, toget,
1882 sr->preferredRecordSyntax, comp))
1884 yaz_log(YLOG_LOG, "%sReturned cached records for medium set",
1886 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
1887 new_apdu->u.searchResponse->referenceId = sr->referenceId;
1888 new_apdu->u.searchResponse->resultCount =
1889 &m_client->m_last_resultCount;
1891 new_apdu->u.searchResponse->numberOfRecordsReturned
1892 = odr_intdup(odr_encode(), toget);
1894 new_apdu->u.searchResponse->presentStatus =
1895 odr_intdup(odr_encode(), Z_PresentStatus_success);
1896 new_apdu->u.searchResponse->records = (Z_Records*)
1897 odr_malloc(odr_encode(), sizeof(Z_Records));
1898 new_apdu->u.searchResponse->records->which = Z_Records_DBOSD;
1899 new_apdu->u.searchResponse->records->u.databaseOrSurDiagnostics = npr;
1900 new_apdu->u.searchResponse->nextResultSetPosition =
1901 odr_intdup(odr_encode(), toget+1);
1902 send_to_client(new_apdu);
1908 // send present request (medium size)
1909 yaz_log(YLOG_LOG, "%sOptimizing search for medium set",
1912 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentRequest);
1913 Z_PresentRequest *pr = new_apdu->u.presentRequest;
1914 pr->referenceId = sr->referenceId;
1915 pr->resultSetId = sr->resultSetName;
1916 pr->preferredRecordSyntax = sr->preferredRecordSyntax;
1917 *pr->numberOfRecordsRequested = toget;
1918 pr->recordComposition = comp;
1919 m_client->m_sr_transform = 1;
1923 else if (m_client->m_last_resultCount >= *sr->largeSetLowerBound ||
1924 m_client->m_last_resultCount <= 0)
1926 // large set. Return pseudo-search response immediately
1927 yaz_log(YLOG_LOG, "%sOptimizing search for large set",
1929 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
1930 new_apdu->u.searchResponse->referenceId = sr->referenceId;
1931 new_apdu->u.searchResponse->resultCount =
1932 &m_client->m_last_resultCount;
1933 send_to_client(new_apdu);
1938 Z_NamePlusRecordList *npr;
1939 int toget = m_client->m_last_resultCount;
1940 Z_RecordComposition *comp = 0;
1942 // send a present request (small set)
1944 if (sr->smallSetElementSetNames)
1946 comp = (Z_RecordComposition *)
1947 odr_malloc(odr_encode(), sizeof(Z_RecordComposition));
1948 comp->which = Z_RecordComp_simple;
1949 comp->u.simple = sr->smallSetElementSetNames;
1952 if (m_client->m_cache.lookup (odr_encode(), &npr, 1, toget,
1953 sr->preferredRecordSyntax, comp))
1955 yaz_log(YLOG_LOG, "%sReturned cached records for small set",
1957 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
1958 new_apdu->u.searchResponse->referenceId = sr->referenceId;
1959 new_apdu->u.searchResponse->resultCount =
1960 &m_client->m_last_resultCount;
1962 new_apdu->u.searchResponse->numberOfRecordsReturned
1963 = odr_intdup(odr_encode(), toget);
1965 new_apdu->u.searchResponse->presentStatus =
1966 odr_intdup(odr_encode(), Z_PresentStatus_success);
1967 new_apdu->u.searchResponse->records = (Z_Records*)
1968 odr_malloc(odr_encode(), sizeof(Z_Records));
1969 new_apdu->u.searchResponse->records->which = Z_Records_DBOSD;
1970 new_apdu->u.searchResponse->records->u.databaseOrSurDiagnostics = npr;
1971 new_apdu->u.searchResponse->nextResultSetPosition =
1972 odr_intdup(odr_encode(), toget+1);
1973 send_to_client(new_apdu);
1978 yaz_log(YLOG_LOG, "%sOptimizing search for small set",
1980 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentRequest);
1981 Z_PresentRequest *pr = new_apdu->u.presentRequest;
1982 pr->referenceId = sr->referenceId;
1983 pr->resultSetId = sr->resultSetName;
1984 pr->preferredRecordSyntax = sr->preferredRecordSyntax;
1985 *pr->numberOfRecordsRequested = toget;
1986 pr->recordComposition = comp;
1987 m_client->m_sr_transform = 1;
1992 else // query doesn't match
1994 delete m_client->m_last_query;
1995 m_client->m_last_query = this_query;
1996 m_client->m_last_ok = 0;
1997 m_client->m_cache.clear();
1998 m_client->m_resultSetStartPoint = 0;
2000 xfree(m_client->m_last_resultSetId);
2001 m_client->m_last_resultSetId = xstrdup(sr->resultSetName);
2003 m_client->m_last_databases.set(sr->num_databaseNames,
2004 (const char **) sr->databaseNames);
2010 void Yaz_Proxy::inc_request_no()
2013 char *cp = m_session_str + strlen(m_session_str)-1;
2016 while (*cp && *cp != ' ')
2019 sprintf(cp+1, "%d ", m_request_no);
2022 void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len)
2026 m_bytes_recv += len;
2028 if (m_log_mask & PROXY_LOG_REQ_CLIENT)
2029 yaz_log(YLOG_LOG, "%sReceiving %s from client %d bytes",
2030 m_session_str, gdu_name(apdu), len);
2033 // try to make a _bad_ attribute set ID .. Don't enable this in prod.
2034 if (apdu->which == Z_GDU_Z3950
2035 && apdu->u.z3950->which == Z_APDU_searchRequest)
2037 Z_SearchRequest *req = apdu->u.z3950->u.searchRequest;
2038 if (req->query && req->query->which == Z_Query_type_1)
2040 Z_RPNQuery *rpnquery = req->query->u.type_1;
2041 if (rpnquery->attributeSetId)
2043 rpnquery->attributeSetId[0] = -2;
2044 rpnquery->attributeSetId[1] = -1;
2045 yaz_log(YLOG_WARN, "%sBAD FIXUP TEST", m_session_str);
2051 #if HAVE_GETTIMEOFDAY
2052 gettimeofday((struct timeval *) m_time_tv, 0);
2054 m_bw_stat.add_bytes(len);
2055 m_pdu_stat.add_bytes(1);
2057 GDU *gdu = new GDU(apdu);
2059 if (gdu->get() == 0)
2062 yaz_log(YLOG_LOG, "%sUnable to encode package", m_session_str);
2067 m_in_queue.enqueue(gdu);
2068 recv_GDU_more(false);
2071 void Yaz_Proxy::HTTP_Forwarded(Z_GDU *z_gdu)
2073 if (z_gdu->which == Z_GDU_HTTP_Request)
2075 Z_HTTP_Request *hreq = z_gdu->u.HTTP_Request;
2076 const char *x_forwarded_for =
2077 z_HTTP_header_lookup(hreq->headers, "X-Forwarded-For");
2078 if (x_forwarded_for)
2081 m_peername = (char*) xmalloc(strlen(x_forwarded_for)+5);
2082 sprintf(m_peername, "tcp:%s", x_forwarded_for);
2084 yaz_log(YLOG_LOG, "%sHTTP Forwarded from %s", m_session_str,
2086 if (m_log_mask & PROXY_LOG_IP_CLIENT)
2087 sprintf(m_session_str, "%ld:%d %.80s %d ",
2088 (long) time(0), m_session_no, m_peername, m_request_no);
2090 sprintf(m_session_str, "%ld:%d %d ",
2091 (long) time(0), m_session_no, m_request_no);
2096 void Yaz_Proxy::connect_stat(bool &block, int &reduce)
2099 m_parent->m_connect.cleanup(false);
2100 m_parent->m_connect.add_connect(m_peername);
2102 int connect_total = m_parent->m_connect.get_total(m_peername);
2103 int max_connect = m_parent->m_max_connect;
2105 if (max_connect && connect_total > max_connect)
2107 yaz_log(YLOG_LOG, "%sconnect not accepted total=%d max=%d",
2108 m_session_str, connect_total, max_connect);
2113 yaz_log(YLOG_LOG, "%sconnect accepted total=%d", m_session_str,
2116 int limit_connect = m_parent->m_limit_connect;
2118 reduce = connect_total / limit_connect;
2123 void Yaz_Proxy::recv_GDU_reduce(GDU *gdu)
2125 HTTP_Forwarded(gdu->get());
2129 if (m_request_no == 1)
2133 connect_stat(block, reduce);
2137 m_timeout_mode = timeout_busy;
2143 int bw_total = m_bw_stat.get_total();
2144 int pdu_total = m_pdu_stat.get_total();
2145 int search_total = m_search_stat.get_total();
2147 assert(m_timeout_mode == timeout_busy);
2148 assert(m_timeout_gdu == 0);
2151 reduce += search_total / m_search_max;
2153 reduce += (bw_total/m_bw_max);
2156 if (pdu_total > m_pdu_max)
2158 int nreduce = (m_pdu_max >= 60) ? 1 : 60/m_pdu_max;
2159 reduce = (reduce > nreduce) ? reduce : nreduce;
2165 /* uncomment to force a big reduce */
2166 m_timeout_mode = timeout_reduce;
2167 m_timeout_gdu = gdu;
2168 timeout(3); // call us reduce seconds later
2173 yaz_log(YLOG_LOG, "%sdelay=%d bw=%d pdu=%d search=%d limit-bw=%d limit-pdu=%d limit-search=%d",
2174 m_session_str, reduce, bw_total, pdu_total, search_total,
2175 m_bw_max, m_pdu_max, m_search_max);
2177 m_timeout_mode = timeout_reduce;
2178 m_timeout_gdu = gdu;
2179 timeout(reduce); // call us reduce seconds later
2182 recv_GDU_normal(gdu);
2185 void Yaz_Proxy::recv_GDU_more(bool normal)
2188 if (normal && m_timeout_mode == timeout_busy)
2189 m_timeout_mode = timeout_normal;
2190 while (m_timeout_mode == timeout_normal && (g = m_in_queue.dequeue()))
2192 m_timeout_mode = timeout_busy;
2200 void Yaz_Proxy::recv_GDU_normal(GDU *gdu)
2203 gdu->move_away_gdu(odr_decode(), &apdu);
2206 if (apdu->which == Z_GDU_Z3950)
2207 handle_incoming_Z_PDU(apdu->u.z3950);
2208 else if (apdu->which == Z_GDU_HTTP_Request)
2209 handle_incoming_HTTP(apdu->u.HTTP_Request);
2212 void Yaz_Proxy::handle_max_record_retrieve(Z_APDU *apdu)
2214 if (m_max_record_retrieve)
2216 if (apdu->which == Z_APDU_presentRequest)
2218 Z_PresentRequest *pr = apdu->u.presentRequest;
2219 if (pr->numberOfRecordsRequested &&
2220 *pr->numberOfRecordsRequested > m_max_record_retrieve)
2221 *pr->numberOfRecordsRequested = m_max_record_retrieve;
2226 void Yaz_Proxy::handle_charset_lang_negotiation(Z_APDU *apdu)
2228 if (apdu->which == Z_APDU_initRequest)
2230 if (m_initRequest_options &&
2231 !ODR_MASK_GET(m_initRequest_options, Z_Options_negotiationModel) &&
2232 (m_proxy_negotiation_charset || m_proxy_negotiation_lang))
2234 // There is no negotiation proposal from
2235 // client's side. OK. The proxy negotiation
2237 Z_InitRequest *initRequest = apdu->u.initRequest;
2238 Z_OtherInformation **otherInfo;
2239 Z_OtherInformationUnit *oi;
2240 get_otherInfoAPDU(apdu, &otherInfo);
2241 oi = update_otherInformation(otherInfo, 1, NULL, 0, 0);
2244 ODR_MASK_SET(initRequest->options,
2245 Z_Options_negotiationModel);
2246 oi->which = Z_OtherInfo_externallyDefinedInfo;
2247 oi->information.externallyDefinedInfo =
2248 yaz_set_proposal_charneg(odr_encode(),
2249 (const char**)&m_proxy_negotiation_charset,
2250 m_proxy_negotiation_charset ? 1:0,
2251 (const char**)&m_proxy_negotiation_lang,
2252 m_proxy_negotiation_lang ? 1:0,
2256 else if (m_initRequest_options &&
2257 ODR_MASK_GET(m_initRequest_options,
2258 Z_Options_negotiationModel) &&
2259 m_charset_converter->get_target_query_charset())
2261 yaz_log(YLOG_LOG, "%sManaged charset negotiation: charset=%s",
2263 m_charset_converter->get_target_query_charset());
2264 Z_InitRequest *initRequest = apdu->u.initRequest;
2265 Z_CharSetandLanguageNegotiation *negotiation =
2266 yaz_get_charneg_record (initRequest->otherInfo);
2268 negotiation->which == Z_CharSetandLanguageNegotiation_proposal)
2270 NMEM nmem = nmem_create();
2271 char **charsets = 0;
2272 int num_charsets = 0;
2276 yaz_get_proposal_charneg (nmem, negotiation,
2277 &charsets, &num_charsets,
2278 &langs, &num_langs, &selected);
2280 for (i = 0; i<num_charsets; i++)
2281 yaz_log(YLOG_LOG, "%scharset %s", m_session_str,
2283 for (i = 0; i<num_langs; i++)
2284 yaz_log(YLOG_LOG, "%slang %s", m_session_str,
2287 const char *t_charset =
2288 m_charset_converter->get_target_query_charset();
2289 // sweep through charsets and pick the first supported
2291 for (i = 0; i<num_charsets; i++)
2293 const char *c_charset = charsets[i];
2294 if (!odr_set_charset(odr_decode(), t_charset, c_charset))
2297 if (i != num_charsets)
2299 // got one .. set up ODR for reverse direction
2300 const char *c_charset = charsets[i];
2301 odr_set_charset(odr_encode(), c_charset, t_charset);
2302 m_charset_converter->set_client_query_charset(c_charset);
2303 m_charset_converter->set_client_charset_selected(selected);
2306 ODR_MASK_CLEAR(m_initRequest_options,
2307 Z_Options_negotiationModel);
2308 yaz_del_charneg_record(&initRequest->otherInfo);
2312 yaz_log(YLOG_WARN, "%sUnable to decode charset package",
2316 else if (m_charset_converter->get_target_query_charset() &&
2317 m_proxy_negotiation_default_charset)
2319 m_charset_converter->
2320 set_client_query_charset(m_proxy_negotiation_default_charset);
2323 else if (apdu->which == Z_APDU_initResponse)
2325 Z_InitResponse *initResponse = apdu->u.initResponse;
2326 Z_OtherInformation **otherInfo;
2327 get_otherInfoAPDU(apdu, &otherInfo);
2329 Z_CharSetandLanguageNegotiation *charneg = 0;
2331 if (otherInfo && *otherInfo &&
2332 ODR_MASK_GET(initResponse->options, Z_Options_negotiationModel)
2333 && (charneg = yaz_get_charneg_record(*otherInfo)))
2339 yaz_get_response_charneg(m_referenceId_mem, charneg,
2340 &charset, &lang, &selected);
2342 yaz_log(YLOG_LOG, "%sAccepted charset - '%s' and lang - '%s'",
2343 m_session_str, (charset)?charset:"none", (lang)?lang:"none");
2345 if (m_initRequest_options &&
2346 ODR_MASK_GET(m_initRequest_options, Z_Options_negotiationModel))
2348 yaz_log(YLOG_LOG, "%sClient's negotiation record in use",
2351 else if (m_proxy_negotiation_charset || m_proxy_negotiation_lang)
2353 // negotiation-charset, negotiation-lang
2354 // elements of config file in use.
2356 yaz_log(YLOG_LOG, "%sProxy's negotiation record in use",
2359 // clear negotiation option.
2360 ODR_MASK_CLEAR(initResponse->options, Z_Options_negotiationModel);
2362 // Delete negotiation (charneg-3) entry.
2363 yaz_del_charneg_record(otherInfo);
2368 if (m_proxy_negotiation_charset || m_proxy_negotiation_lang)
2370 yaz_log(YLOG_LOG, "%sTarget did not honor negotiation",
2373 else if (m_charset_converter->get_client_query_charset())
2375 Z_OtherInformation **otherInfo;
2376 Z_OtherInformationUnit *oi;
2377 get_otherInfoAPDU(apdu, &otherInfo);
2378 oi = update_otherInformation(otherInfo, 1, NULL, 0, 0);
2381 ODR_MASK_SET(initResponse->options,
2382 Z_Options_negotiationModel);
2383 if (m_initRequest_options)
2384 ODR_MASK_SET(m_initRequest_options,
2385 Z_Options_negotiationModel);
2387 oi->which = Z_OtherInfo_externallyDefinedInfo;
2388 oi->information.externallyDefinedInfo =
2389 yaz_set_response_charneg(
2391 m_charset_converter->get_client_query_charset(),
2393 m_charset_converter->get_client_charset_selected());
2400 Z_Records *Yaz_Proxy::create_nonSurrogateDiagnostics(ODR odr,
2402 const char *addinfo)
2404 Z_Records *rec = (Z_Records *)
2405 odr_malloc (odr, sizeof(*rec));
2406 Odr_int *err = (Odr_int *)
2407 odr_malloc (odr, sizeof(*err));
2408 Z_DiagRec *drec = (Z_DiagRec *)
2409 odr_malloc (odr, sizeof(*drec));
2410 Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)
2411 odr_malloc (odr, sizeof(*dr));
2413 rec->which = Z_Records_NSD;
2414 rec->u.nonSurrogateDiagnostic = dr;
2415 dr->diagnosticSetId = odr_oiddup(odr, yaz_oid_diagset_bib_1);
2416 dr->condition = err;
2417 dr->which = Z_DefaultDiagFormat_v2Addinfo;
2418 dr->u.v2Addinfo = odr_strdup (odr, addinfo ? addinfo : "");
2422 Z_ListEntries *Yaz_Proxy::create_nonSurrogateDiagnostics2(ODR odr,
2424 const char *addinfo)
2426 Z_ListEntries *rec = (Z_ListEntries *)
2427 odr_malloc (odr, sizeof(*rec));
2428 Odr_int *err = (Odr_int *)
2429 odr_malloc (odr, sizeof(*err));
2430 Z_DiagRec *drec = (Z_DiagRec *)
2431 odr_malloc (odr, sizeof(*drec));
2432 Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)
2433 odr_malloc (odr, sizeof(*dr));
2435 drec->which = Z_DiagRec_defaultFormat;
2436 drec->u.defaultFormat = dr;
2437 rec->num_entries = 0;
2438 rec->entries = NULL;
2439 rec->num_nonsurrogateDiagnostics = 1;
2440 rec->nonsurrogateDiagnostics =
2441 (Z_DiagRec **)odr_malloc(odr, sizeof(Z_DiagRec *));
2442 rec->nonsurrogateDiagnostics[0] = drec;
2443 dr->diagnosticSetId = odr_oiddup(odr, yaz_oid_diagset_bib_1);
2444 dr->condition = err;
2445 dr->which = Z_DefaultDiagFormat_v2Addinfo;
2446 dr->u.v2Addinfo = odr_strdup (odr, addinfo ? addinfo : "");
2450 Z_APDU *Yaz_Proxy::handle_query_transformation(Z_APDU *apdu)
2452 if (apdu->which == Z_APDU_searchRequest &&
2453 apdu->u.searchRequest->query &&
2454 apdu->u.searchRequest->query->which == Z_Query_type_104 &&
2455 apdu->u.searchRequest->query->u.type_104->which == Z_External_CQL)
2457 Z_RPNQuery *rpnquery = 0;
2458 Z_SearchRequest *sr = apdu->u.searchRequest;
2461 yaz_log(YLOG_LOG, "%sCQL: %s", m_session_str,
2462 sr->query->u.type_104->u.cql);
2464 int r = m_cql2rpn.query_transform(sr->query->u.type_104->u.cql,
2465 &rpnquery, odr_encode(),
2468 yaz_log(YLOG_LOG, "%sNo CQL to RPN table", m_session_str);
2471 yaz_log(YLOG_LOG, "%sCQL Conversion error %d", m_session_str, r);
2472 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
2474 new_apdu->u.searchResponse->referenceId = sr->referenceId;
2475 new_apdu->u.searchResponse->records =
2476 create_nonSurrogateDiagnostics(odr_encode(),
2477 yaz_diag_srw_to_bib1(r),
2479 *new_apdu->u.searchResponse->searchStatus = 0;
2481 send_to_client(new_apdu);
2487 sr->query->which = Z_Query_type_1;
2488 sr->query->u.type_1 = rpnquery;
2492 else if (apdu->which == Z_APDU_scanRequest)
2494 Z_RPNQuery *rpnquery = 0;
2495 Z_ScanRequest *sr = apdu->u.scanRequest;
2498 yaz_log(YLOG_LOG, "%sCQL: %s", m_session_str,
2499 sr->termListAndStartPoint->term->u.characterString);
2501 int r = m_cql2rpn.query_transform(sr->termListAndStartPoint->term->u.characterString,
2502 &rpnquery, odr_encode(),
2505 yaz_log(YLOG_LOG, "%sNo CQL to RPN table", m_session_str);
2508 yaz_log(YLOG_LOG, "%sCQL Conversion error %d", m_session_str, r);
2509 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_scanResponse);
2511 new_apdu->u.scanResponse->referenceId = sr->referenceId;
2512 new_apdu->u.scanResponse->entries =
2513 create_nonSurrogateDiagnostics2(odr_encode(),
2514 yaz_diag_srw_to_bib1(r),
2516 *new_apdu->u.scanResponse->scanStatus = Z_Scan_failure;
2518 send_to_client(new_apdu);
2524 sr->attributeSet = rpnquery->attributeSetId;
2525 if (rpnquery->RPNStructure->which == Z_RPNStructure_simple)
2526 sr->termListAndStartPoint = rpnquery->RPNStructure->u.simple->u.attributesPlusTerm;
2533 Z_APDU *Yaz_Proxy::handle_target_charset_conversion(Z_APDU *apdu)
2535 if (apdu->which == Z_APDU_searchRequest &&
2536 apdu->u.searchRequest->query)
2538 if (apdu->u.searchRequest->query->which == Z_Query_type_1
2539 || apdu->u.searchRequest->query->which == Z_Query_type_101)
2542 m_charset_converter->set_client_query_charset("UTF-8");
2543 Z_RPNQuery *rpnquery = apdu->u.searchRequest->query->u.type_1;
2544 m_charset_converter->convert_type_1(rpnquery, odr_encode());
2547 else if (apdu->which == Z_APDU_scanRequest &&
2548 apdu->u.scanRequest->termListAndStartPoint)
2550 if (apdu->u.scanRequest->termListAndStartPoint->term)
2552 m_charset_converter->set_client_query_charset("UTF-8");
2553 Z_Term *term = apdu->u.scanRequest->termListAndStartPoint->term;
2554 m_charset_converter->convert_term(term, odr_encode());
2560 Z_APDU *Yaz_Proxy::handle_query_validation(Z_APDU *apdu)
2562 if (apdu->which == Z_APDU_searchRequest)
2564 Z_SearchRequest *sr = apdu->u.searchRequest;
2568 Yaz_ProxyConfig *cfg = check_reconfigure();
2570 err = cfg->check_query(odr_encode(), m_default_target,
2571 sr->query, &addinfo);
2574 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
2576 new_apdu->u.searchResponse->referenceId = sr->referenceId;
2577 new_apdu->u.searchResponse->records =
2578 create_nonSurrogateDiagnostics(odr_encode(), err, addinfo);
2579 *new_apdu->u.searchResponse->searchStatus = 0;
2581 send_to_client(new_apdu);
2586 else if (apdu->which == Z_APDU_scanRequest)
2588 Z_ScanRequest *sr = apdu->u.scanRequest;
2593 Yaz_ProxyConfig *cfg = check_reconfigure();
2594 // Something like this needs to be implemented later:
2596 err = cfg->check_type_1_attributes(odr_encode(), m_default_target,
2597 sr->termListAndStartPoint->attributes, &addinfo);
2601 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_scanResponse);
2603 new_apdu->u.scanResponse->referenceId = sr->referenceId;
2604 new_apdu->u.scanResponse->entries =
2605 create_nonSurrogateDiagnostics2(odr_encode(), err, addinfo);
2606 *new_apdu->u.scanResponse->scanStatus = Z_Scan_failure;
2608 send_to_client(new_apdu);
2617 int Yaz_Proxy::handle_authentication(Z_APDU *apdu)
2619 if (apdu->which != Z_APDU_initRequest)
2620 return 1; // pass if no init request
2621 Z_InitRequest *req = apdu->u.initRequest;
2623 Yaz_ProxyConfig *cfg = check_reconfigure();
2625 return 1; // pass if no config
2628 if (req->idAuthentication == 0)
2630 ret = cfg->client_authentication(m_default_target, 0, 0, 0,
2633 else if (req->idAuthentication->which == Z_IdAuthentication_idPass)
2635 ret = cfg->client_authentication(
2637 req->idAuthentication->u.idPass->userId,
2638 req->idAuthentication->u.idPass->groupId,
2639 req->idAuthentication->u.idPass->password,
2642 else if (req->idAuthentication->which == Z_IdAuthentication_open)
2644 char user[64], pass[64];
2647 sscanf(req->idAuthentication->u.open, "%63[^/]/%63s", user, pass);
2648 ret = cfg->client_authentication(m_default_target, user, 0, pass,
2652 ret = cfg->client_authentication(m_default_target, 0, 0, 0,
2657 int Yaz_Proxy::handle_global_authentication(Z_APDU *apdu)
2659 if (apdu->which != Z_APDU_initRequest)
2660 return 1; // pass if no init request
2661 Z_InitRequest *req = apdu->u.initRequest;
2663 Yaz_ProxyConfig *cfg = check_reconfigure();
2665 return 1; // pass if no config
2668 if (req->idAuthentication == 0)
2670 ret = cfg->global_client_authentication(0, 0, 0,
2673 else if (req->idAuthentication->which == Z_IdAuthentication_idPass)
2675 ret = cfg->global_client_authentication(
2676 req->idAuthentication->u.idPass->userId,
2677 req->idAuthentication->u.idPass->groupId,
2678 req->idAuthentication->u.idPass->password,
2681 else if (req->idAuthentication->which == Z_IdAuthentication_open)
2683 char user[64], pass[64];
2686 sscanf(req->idAuthentication->u.open, "%63[^/]/%63s", user, pass);
2687 ret = cfg->global_client_authentication(user, 0, pass,
2691 ret = cfg->global_client_authentication(0, 0, 0, m_peername);
2695 Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu)
2697 m_marcxml_mode = none;
2698 if (apdu->which == Z_APDU_searchRequest)
2700 Z_SearchRequest *sr = apdu->u.searchRequest;
2703 Yaz_ProxyConfig *cfg = check_reconfigure();
2705 Z_RecordComposition rc_temp, *rc = 0;
2706 if (sr->smallSetElementSetNames)
2708 rc_temp.which = Z_RecordComp_simple;
2709 rc_temp.u.simple = sr->smallSetElementSetNames;
2713 if (sr->preferredRecordSyntax)
2714 oid_oidcpy(m_frontend_type, sr->preferredRecordSyntax);
2716 m_frontend_type[0] = -1;
2718 char *stylesheet_name = 0;
2720 err = cfg->check_syntax(odr_encode(),
2722 sr->preferredRecordSyntax, rc,
2723 &addinfo, &stylesheet_name, &m_schema,
2724 &m_backend_type, &m_backend_charset,
2725 &m_usemarcon_ini_stage1,
2726 &m_usemarcon_ini_stage2,
2727 &m_backend_elementset);
2728 if (stylesheet_name)
2730 m_parent->low_socket_close();
2733 if (m_stylesheet_xsp)
2734 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
2735 m_stylesheet_xsp = xsltParseStylesheetFile((const xmlChar*)
2738 m_stylesheet_offset = 0;
2739 xfree(stylesheet_name);
2741 m_parent->low_socket_open();
2745 sr->smallSetElementSetNames = 0;
2746 sr->mediumSetElementSetNames = 0;
2747 m_marcxml_mode = marcxml;
2748 sr->preferredRecordSyntax =
2749 yaz_string_to_oid_odr(
2750 yaz_oid_std(), CLASS_RECSYN,
2751 m_backend_type ? m_backend_type : "usmarc",
2756 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
2758 new_apdu->u.searchResponse->referenceId = sr->referenceId;
2759 new_apdu->u.searchResponse->records =
2760 create_nonSurrogateDiagnostics(odr_encode(), err, addinfo);
2761 *new_apdu->u.searchResponse->searchStatus = 0;
2763 send_to_client(new_apdu);
2767 else if (m_backend_type)
2769 sr->preferredRecordSyntax =
2770 yaz_string_to_oid_odr(yaz_oid_std(), CLASS_RECSYN,
2771 m_backend_type, odr_encode());
2773 if (m_backend_elementset)
2775 Z_ElementSetNames *esn =
2778 *m_backend_elementset ? m_backend_elementset : 0);
2779 sr->smallSetElementSetNames = esn;
2780 sr->mediumSetElementSetNames = esn;
2783 else if (apdu->which == Z_APDU_presentRequest)
2785 Z_PresentRequest *pr = apdu->u.presentRequest;
2788 Yaz_ProxyConfig *cfg = check_reconfigure();
2790 if (pr->preferredRecordSyntax)
2791 oid_oidcpy(m_frontend_type, pr->preferredRecordSyntax);
2793 m_frontend_type[0] = -1;
2795 char *stylesheet_name = 0;
2797 err = cfg->check_syntax(odr_encode(), m_default_target,
2798 pr->preferredRecordSyntax,
2799 pr->recordComposition,
2800 &addinfo, &stylesheet_name, &m_schema,
2801 &m_backend_type, &m_backend_charset,
2802 &m_usemarcon_ini_stage1,
2803 &m_usemarcon_ini_stage2,
2804 &m_backend_elementset);
2805 if (stylesheet_name)
2807 m_parent->low_socket_close();
2810 if (m_stylesheet_xsp)
2811 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
2812 m_stylesheet_xsp = xsltParseStylesheetFile((const xmlChar*)
2815 m_stylesheet_offset = 0;
2816 xfree(stylesheet_name);
2818 m_parent->low_socket_open();
2822 pr->recordComposition = 0;
2823 m_marcxml_mode = marcxml;
2825 pr->preferredRecordSyntax =
2826 yaz_string_to_oid_odr(
2827 yaz_oid_std(), CLASS_RECSYN,
2828 m_backend_type ? m_backend_type : "usmarc",
2833 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse);
2835 new_apdu->u.presentResponse->referenceId = pr->referenceId;
2836 new_apdu->u.presentResponse->records =
2837 create_nonSurrogateDiagnostics(odr_encode(), err, addinfo);
2838 *new_apdu->u.presentResponse->presentStatus =
2839 Z_PresentStatus_failure;
2841 send_to_client(new_apdu);
2845 else if (m_backend_type)
2847 pr->preferredRecordSyntax =
2848 yaz_string_to_oid_odr(yaz_oid_std(),
2849 CLASS_RECSYN, m_backend_type,
2852 if (m_backend_elementset)
2854 Z_ElementSetNames *esn =
2857 *m_backend_elementset ? m_backend_elementset : 0);
2858 Z_RecordComposition *comp = (Z_RecordComposition *)
2859 odr_malloc(odr_encode(), sizeof(Z_RecordComposition));
2860 comp->which = Z_RecordComp_simple;
2861 comp->u.simple = esn;
2862 pr->recordComposition = comp;
2868 Z_ElementSetNames *Yaz_Proxy::mk_esn_from_schema(ODR o, const char *schema)
2872 Z_ElementSetNames *esn = (Z_ElementSetNames *)
2873 odr_malloc(o, sizeof(Z_ElementSetNames));
2874 esn->which = Z_ElementSetNames_generic;
2875 esn->u.generic = odr_strdup(o, schema);
2879 void Yaz_Proxy::srw_get_client(const char *db, const char **backend_db)
2882 Yaz_ProxyConfig *cfg = check_reconfigure();
2884 t = cfg->get_explain_name(db, backend_db);
2886 if (m_client && m_default_target && t && strcmp(m_default_target, t))
2893 xfree(m_default_target);
2894 m_default_target = xstrdup(t);
2898 int Yaz_Proxy::file_access(Z_HTTP_Request *hreq)
2901 if (strcmp(hreq->method, "GET"))
2903 if (hreq->path[0] != '/')
2905 const char *cp = hreq->path;
2908 if (*cp == '/' && strchr("/.", cp[1]))
2913 Yaz_ProxyConfig *cfg = check_reconfigure();
2915 if (!cfg->get_file_access_info(hreq->path+1))
2918 const char *fname = hreq->path+1;
2919 if (stat(fname, &sbuf))
2921 yaz_log(YLOG_LOG|YLOG_ERRNO, "%sstat failed for %s", m_session_str,
2925 if ((sbuf.st_mode & S_IFMT) != S_IFREG)
2927 yaz_log(YLOG_LOG, "%sNot a regular file %s", m_session_str, fname);
2930 if (sbuf.st_size > (off_t) 1000000)
2932 yaz_log(YLOG_WARN, "%sFile %s too large for transfer", m_session_str,
2937 ODR o = odr_encode();
2939 const char *ctype = cfg->check_mime_type(fname);
2940 Z_GDU *gdu = z_get_HTTP_Response(o, 200);
2941 Z_HTTP_Response *hres = gdu->u.HTTP_Response;
2943 hres->version = odr_strdup(o, m_http_version);
2944 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
2945 if (m_http_keepalive)
2946 z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
2950 hres->content_len = sbuf.st_size;
2951 hres->content_buf = (char*) odr_malloc(o, hres->content_len);
2952 FILE *f = fopen(fname, "rb");
2955 fread(hres->content_buf, 1, hres->content_len, f);
2962 if (m_log_mask & PROXY_LOG_REQ_CLIENT)
2964 yaz_log(YLOG_LOG, "%sSending file %s to client", m_session_str,
2968 send_GDU(gdu, &len);
2969 recv_GDU_more(true);
2973 void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq)
2977 odr_destroy(m_s2z_odr_init);
2980 if (m_s2z_odr_search)
2982 odr_destroy(m_s2z_odr_search);
2983 m_s2z_odr_search = 0;
2987 odr_destroy(m_s2z_odr_scan);
2991 m_http_keepalive = 0;
2993 if (!strcmp(hreq->version, "1.0"))
2995 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
2996 if (v && !strcmp(v, "Keep-Alive"))
2997 m_http_keepalive = 1;
2999 m_http_keepalive = 0;
3000 m_http_version = "1.0";
3004 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
3005 if (v && !strcmp(v, "close"))
3006 m_http_keepalive = 0;
3008 m_http_keepalive = 1;
3009 m_http_version = "1.1";
3012 const char *a = z_HTTP_header_lookup(hreq->headers, "Authorization");
3013 char authorization_str[255];
3014 *authorization_str = '\0';
3015 if (a && strncasecmp(a, "Basic ", 6) == 0)
3016 base64_decode(a + 6, authorization_str, 254);
3018 Z_SRW_PDU *srw_pdu = 0;
3019 Z_SOAP *soap_package = 0;
3021 Z_SRW_diagnostic *diagnostic = 0;
3022 int num_diagnostic = 0;
3024 yaz_log(YLOG_LOG, "%s%s %s", m_session_str, hreq->method, hreq->path);
3026 if (file_access(hreq))
3030 else if (yaz_srw_decode(hreq, &srw_pdu, &soap_package, odr_decode(),
3032 || yaz_sru_decode(hreq, &srw_pdu, &soap_package, odr_decode(),
3033 &charset, &diagnostic, &num_diagnostic) == 0)
3035 m_s2z_odr_init = odr_createmem(ODR_ENCODE);
3036 m_s2z_odr_search = odr_createmem(ODR_ENCODE);
3037 m_s2z_odr_scan = odr_createmem(ODR_ENCODE);
3038 m_soap_ns = odr_strdup(m_s2z_odr_search, soap_package->ns);
3039 m_s2z_init_apdu = 0;
3040 m_s2z_search_apdu = 0;
3041 m_s2z_present_apdu = 0;
3042 m_s2z_scan_apdu = 0;
3044 m_s2z_stylesheet = 0;
3046 Z_IdAuthentication *auth = NULL;
3047 if (srw_pdu->username && !srw_pdu->password)
3049 yaz_log(YLOG_LOG, "username: %s\n", srw_pdu->username);
3050 auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
3051 auth->which = Z_IdAuthentication_open;
3052 auth->u.open = odr_strdup(m_s2z_odr_init, srw_pdu->username);
3054 else if (srw_pdu->username && srw_pdu->password)
3056 yaz_log(YLOG_LOG, "username/password: %s/%s\n",
3057 srw_pdu->username, srw_pdu->password);
3058 auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
3059 auth->which = Z_IdAuthentication_idPass;
3060 auth->u.idPass = (Z_IdPass *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdPass));
3061 auth->u.idPass->groupId = NULL;
3062 auth->u.idPass->password = odr_strdup(m_s2z_odr_init, srw_pdu->password);
3063 auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, srw_pdu->username);
3067 if (*authorization_str)
3069 yaz_log(YLOG_LOG, "authorization_str present: %s\n", authorization_str);
3070 auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
3071 auth->which = Z_IdAuthentication_idPass;
3072 auth->u.idPass = (Z_IdPass *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdPass));
3073 auth->u.idPass->groupId = NULL;
3074 char *p = strchr(authorization_str, ':');
3079 auth->u.idPass->password = odr_strdup(m_s2z_odr_init, p);
3081 auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, authorization_str);
3085 if (srw_pdu->which == Z_SRW_searchRetrieve_request)
3088 Z_SRW_searchRetrieveRequest *srw_req = srw_pdu->u.request;
3090 const char *backend_db = srw_req->database;
3091 srw_get_client(srw_req->database, &backend_db);
3093 m_s2z_database = odr_strdup(m_s2z_odr_init, srw_req->database);
3094 // recordXPath unsupported.
3095 if (srw_req->recordXPath)
3097 yaz_add_srw_diagnostic(odr_decode(),
3098 &diagnostic, &num_diagnostic,
3102 if (srw_req->sort_type != Z_SRW_sort_type_none)
3104 yaz_add_srw_diagnostic(odr_decode(),
3105 &diagnostic, &num_diagnostic,
3109 if (srw_req->stylesheet)
3111 odr_strdup(m_s2z_odr_init, srw_req->stylesheet);
3113 // set packing for response records ..
3114 if (srw_req->recordPacking &&
3115 !strcmp(srw_req->recordPacking, "xml"))
3116 m_s2z_packing = Z_SRW_recordPacking_XML;
3118 m_s2z_packing = Z_SRW_recordPacking_string;
3122 Z_SRW_PDU *srw_pdu =
3123 yaz_srw_get(odr_encode(),
3124 Z_SRW_searchRetrieve_response);
3125 Z_SRW_searchRetrieveResponse *srw_res = srw_pdu->u.response;
3127 srw_res->diagnostics = diagnostic;
3128 srw_res->num_diagnostics = num_diagnostic;
3129 send_srw_response(srw_pdu);
3133 // prepare search PDU
3134 m_s2z_search_apdu = zget_APDU(m_s2z_odr_search,
3135 Z_APDU_searchRequest);
3136 Z_SearchRequest *z_searchRequest =
3137 m_s2z_search_apdu->u.searchRequest;
3139 z_searchRequest->num_databaseNames = 1;
3140 z_searchRequest->databaseNames = (char**)
3141 odr_malloc(m_s2z_odr_search, sizeof(char *));
3142 z_searchRequest->databaseNames[0] = odr_strdup(m_s2z_odr_search,
3145 // query transformation
3146 Z_Query *query = (Z_Query *)
3147 odr_malloc(m_s2z_odr_search, sizeof(Z_Query));
3148 z_searchRequest->query = query;
3151 #ifdef Z_SRW_query_type_cql
3152 srw_req->query_type == Z_SRW_query_type_cql
3154 !srw_req->queryType || !strcmp(srw_req->queryType, "cql")
3158 Z_External *ext = (Z_External *)
3159 odr_malloc(m_s2z_odr_search, sizeof(*ext));
3160 ext->direct_reference =
3161 odr_getoidbystr(m_s2z_odr_search, "1.2.840.10003.16.2");
3162 ext->indirect_reference = 0;
3163 ext->descriptor = 0;
3164 ext->which = Z_External_CQL;
3165 #ifdef Z_SRW_query_type_cql
3166 ext->u.cql = srw_req->query.cql;
3168 ext->u.cql = srw_req->query;
3171 query->which = Z_Query_type_104;
3172 query->u.type_104 = ext;
3175 #ifdef Z_SRW_query_type_pqf
3176 srw_req->query_type == Z_SRW_query_type_pqf
3178 srw_req->queryType && !strcmp(srw_req->queryType, "pqf")
3182 Z_RPNQuery *RPNquery;
3183 YAZ_PQF_Parser pqf_parser;
3185 pqf_parser = yaz_pqf_create ();
3187 RPNquery = yaz_pqf_parse (pqf_parser, m_s2z_odr_search,
3188 #ifdef Z_SRW_query_type_pqf
3196 const char *pqf_msg;
3198 int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
3200 yaz_log(YLOG_LOG, "%*s^\n", ioff+4, "");
3201 yaz_log(YLOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code);
3203 send_to_srw_client_error(10, 0);
3206 query->which = Z_Query_type_1;
3207 query->u.type_1 = RPNquery;
3209 yaz_pqf_destroy (pqf_parser);
3213 send_to_srw_client_error(7, "query");
3218 m_s2z_present_apdu = 0;
3220 if (srw_req->maximumRecords)
3221 max = *srw_req->maximumRecords;
3223 if (srw_req->startRecord)
3224 start = *srw_req->startRecord;
3227 // Some backend, such as Voyager doesn't honor piggyback
3228 // So we use present always (0 &&).
3229 if (0 && start <= 1) // Z39.50 piggyback
3231 *z_searchRequest->smallSetUpperBound = max;
3232 *z_searchRequest->mediumSetPresentNumber = max;
3233 *z_searchRequest->largeSetLowerBound = 2000000000; // 2e9
3235 z_searchRequest->preferredRecordSyntax =
3236 odr_oiddup(m_s2z_odr_search, yaz_oid_recsyn_xml);
3238 if (srw_req->recordSchema)
3240 z_searchRequest->smallSetElementSetNames =
3241 z_searchRequest->mediumSetElementSetNames =
3242 mk_esn_from_schema(m_s2z_odr_search,
3243 srw_req->recordSchema);
3246 else // Z39.50 present
3248 m_s2z_present_apdu = zget_APDU(m_s2z_odr_search,
3249 Z_APDU_presentRequest);
3250 Z_PresentRequest *z_presentRequest =
3251 m_s2z_present_apdu->u.presentRequest;
3252 *z_presentRequest->resultSetStartPoint = start;
3253 *z_presentRequest->numberOfRecordsRequested = max;
3255 z_presentRequest->preferredRecordSyntax =
3256 odr_oiddup(m_s2z_odr_search, yaz_oid_recsyn_xml);
3257 if (srw_req->recordSchema)
3259 z_presentRequest->recordComposition =
3260 (Z_RecordComposition *)
3261 odr_malloc(m_s2z_odr_search,
3262 sizeof(Z_RecordComposition));
3263 z_presentRequest->recordComposition->which =
3264 Z_RecordComp_simple;
3265 z_presentRequest->recordComposition->u.simple =
3266 mk_esn_from_schema(m_s2z_odr_search,
3267 srw_req->recordSchema);
3273 m_s2z_init_apdu = zget_APDU(m_s2z_odr_init,
3274 Z_APDU_initRequest);
3276 ODR_MASK_SET(m_s2z_init_apdu->u.initRequest->options, Z_Options_scan);
3277 m_s2z_init_apdu->u.initRequest->idAuthentication = auth;
3279 // prevent m_initRequest_apdu memory from being grabbed
3280 // in Yaz_Proxy::handle_incoming_Z_PDU
3281 m_initRequest_apdu = m_s2z_init_apdu;
3282 handle_incoming_Z_PDU(m_s2z_init_apdu);
3287 handle_incoming_Z_PDU(m_s2z_search_apdu);
3291 else if (srw_pdu->which == Z_SRW_explain_request)
3293 Z_SRW_explainRequest *srw_req = srw_pdu->u.explain_request;
3295 const char *backend_db = srw_req->database;
3296 srw_get_client(srw_req->database, &backend_db);
3298 m_s2z_database = odr_strdup(m_s2z_odr_init, srw_req->database);
3301 if (srw_req->stylesheet)
3303 odr_strdup(m_s2z_odr_init, srw_req->stylesheet);
3305 if (srw_req->recordPacking &&
3306 !strcmp(srw_req->recordPacking, "xml"))
3307 m_s2z_packing = Z_SRW_recordPacking_XML;
3309 m_s2z_packing = Z_SRW_recordPacking_string;
3313 send_srw_explain_response(diagnostic, num_diagnostic);
3319 m_s2z_init_apdu = zget_APDU(m_s2z_odr_init,
3320 Z_APDU_initRequest);
3322 ODR_MASK_SET(m_s2z_init_apdu->u.initRequest->options, Z_Options_scan);
3323 m_s2z_init_apdu->u.initRequest->idAuthentication = auth;
3325 // prevent m_initRequest_apdu memory from being grabbed
3326 // in Yaz_Proxy::handle_incoming_Z_PDU
3327 m_initRequest_apdu = m_s2z_init_apdu;
3328 handle_incoming_Z_PDU(m_s2z_init_apdu);
3331 send_srw_explain_response(0, 0);
3334 else if (srw_pdu->which == Z_SRW_scan_request)
3336 Z_SRW_scanRequest *srw_req = srw_pdu->u.scan_request;
3338 const char *backend_db = srw_req->database;
3339 srw_get_client(srw_req->database, &backend_db);
3341 m_s2z_database = odr_strdup(m_s2z_odr_init,
3344 if (srw_req->stylesheet)
3346 odr_strdup(m_s2z_odr_init, srw_req->stylesheet);
3349 m_s2z_scan_apdu = zget_APDU(m_s2z_odr_scan,
3350 Z_APDU_scanRequest);
3351 Z_ScanRequest *z_scanRequest =
3352 m_s2z_scan_apdu->u.scanRequest;
3354 z_scanRequest->num_databaseNames = 1;
3355 z_scanRequest->databaseNames = (char**)
3356 odr_malloc(m_s2z_odr_scan, sizeof(char *));
3357 z_scanRequest->databaseNames[0] = odr_strdup(m_s2z_odr_scan,
3360 // query transformation
3362 #ifdef Z_SRW_query_type_cql
3363 srw_req->query_type == Z_SRW_query_type_cql
3365 !srw_req->queryType || !strcmp(srw_req->queryType, "cql")
3369 z_scanRequest->termListAndStartPoint =
3370 (Z_AttributesPlusTerm *)odr_malloc(m_s2z_odr_scan, sizeof(Z_AttributesPlusTerm));
3371 z_scanRequest->termListAndStartPoint->attributes = NULL;
3372 z_scanRequest->termListAndStartPoint->term =
3373 (Z_Term *)odr_malloc(m_s2z_odr_scan, sizeof(Z_Term));
3374 z_scanRequest->termListAndStartPoint->term->which =
3375 Z_Term_characterString;
3376 z_scanRequest->termListAndStartPoint->term->u.characterString =
3377 odr_strdup(m_s2z_odr_scan,
3378 #ifdef Z_SRW_query_type_cql
3379 srw_req->scanClause.cql
3386 if (srw_req->responsePosition)
3387 z_scanRequest->preferredPositionInResponse =
3388 odr_intdup(m_s2z_odr_scan, *srw_req->responsePosition);
3389 if (srw_req->maximumTerms)
3390 *z_scanRequest->numberOfTermsRequested = *srw_req->maximumTerms;
3394 m_s2z_init_apdu = zget_APDU(m_s2z_odr_init,
3395 Z_APDU_initRequest);
3397 ODR_MASK_SET(m_s2z_init_apdu->u.initRequest->options, Z_Options_scan);
3398 m_s2z_init_apdu->u.initRequest->idAuthentication = auth;
3400 // prevent m_initRequest_apdu memory from being grabbed
3401 // in Yaz_Proxy::handle_incoming_Z_PDU
3402 m_initRequest_apdu = m_s2z_init_apdu;
3403 handle_incoming_Z_PDU(m_s2z_init_apdu);
3408 handle_incoming_Z_PDU(m_s2z_scan_apdu);
3416 send_to_srw_client_error(4, 0);
3419 send_http_response(400);
3422 void Yaz_Proxy::handle_init(Z_APDU *apdu)
3425 Z_OtherInformation **oi;
3426 get_otherInfoAPDU(apdu, &oi);
3428 if (apdu->u.initRequest->implementationId)
3429 yaz_log(YLOG_LOG, "%simplementationId: %s",
3430 m_session_str, apdu->u.initRequest->implementationId);
3431 if (apdu->u.initRequest->implementationName)
3432 yaz_log(YLOG_LOG, "%simplementationName: %s",
3433 m_session_str, apdu->u.initRequest->implementationName);
3434 if (apdu->u.initRequest->implementationVersion)
3435 yaz_log(YLOG_LOG, "%simplementationVersion: %s",
3436 m_session_str, apdu->u.initRequest->implementationVersion);
3437 if (m_initRequest_apdu == 0)
3439 if (m_initRequest_mem)
3440 nmem_destroy(m_initRequest_mem);
3442 m_initRequest_apdu = apdu;
3443 m_initRequest_mem = odr_extract_mem(odr_decode());
3445 m_initRequest_preferredMessageSize = *apdu->u.initRequest->
3446 preferredMessageSize;
3447 *apdu->u.initRequest->preferredMessageSize = 64*1024*1024;
3448 m_initRequest_maximumRecordSize = *apdu->u.initRequest->
3450 *apdu->u.initRequest->maximumRecordSize = 64*1024*1024;
3452 Z_CharSetandLanguageNegotiation *charSetandLangRecord =
3453 yaz_get_charneg_record(*oi);
3455 // Save proposal charsets and langs.
3456 if (ODR_MASK_GET(apdu->u.initRequest->options,
3457 Z_Options_negotiationModel)
3458 && charSetandLangRecord)
3461 yaz_get_proposal_charneg(m_referenceId_mem,
3462 charSetandLangRecord,
3463 &m_initRequest_oi_negotiation_charsets,
3464 &m_initRequest_oi_negotiation_num_charsets,
3465 &m_initRequest_oi_negotiation_langs,
3466 &m_initRequest_oi_negotiation_num_langs,
3467 &m_initRequest_oi_negotiation_selected);
3469 for (int i = 0; i<m_initRequest_oi_negotiation_num_charsets; i++)
3471 yaz_log(YLOG_LOG, "%scharacters set proposal: %s",
3472 m_session_str,(m_initRequest_oi_negotiation_charsets[i])?
3473 m_initRequest_oi_negotiation_charsets[i]:"none");
3475 for (int i=0; i<m_initRequest_oi_negotiation_num_langs; i++)
3477 yaz_log(YLOG_LOG, "%slanguages proposal: %s",
3478 m_session_str, (m_initRequest_oi_negotiation_langs[i])?
3479 m_initRequest_oi_negotiation_langs[i]:"none");
3481 yaz_log(YLOG_LOG, "%sselected proposal: %d (boolean)",
3482 m_session_str, m_initRequest_oi_negotiation_selected);
3484 // save init options for the response..
3485 m_initRequest_options = apdu->u.initRequest->options;
3487 apdu->u.initRequest->options =
3488 (Odr_bitmask *)nmem_malloc(m_initRequest_mem,
3489 sizeof(Odr_bitmask));
3490 ODR_MASK_ZERO(apdu->u.initRequest->options);
3492 for (i = 0; i<= 24; i++)
3493 ODR_MASK_SET(apdu->u.initRequest->options, i);
3494 // check negotiation option
3495 if (!ODR_MASK_GET(m_initRequest_options,
3496 Z_Options_negotiationModel))
3498 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3499 Z_Options_negotiationModel);
3501 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3502 Z_Options_concurrentOperations);
3504 m_initRequest_version = apdu->u.initRequest->protocolVersion;
3505 apdu->u.initRequest->protocolVersion =
3506 (Odr_bitmask *)nmem_malloc(m_initRequest_mem,
3507 sizeof(Odr_bitmask));
3508 ODR_MASK_ZERO(apdu->u.initRequest->protocolVersion);
3510 for (i = 0; i<= 8; i++)
3511 ODR_MASK_SET(apdu->u.initRequest->protocolVersion, i);
3513 handle_charset_lang_negotiation(apdu);
3514 if (m_client->m_init_flag)
3516 if (handle_init_response_for_invalid_session(apdu))
3518 if (m_client->m_initResponse)
3520 Z_APDU *apdu2 = m_client->m_initResponse;
3521 apdu2->u.initResponse->otherInfo = 0;
3522 if (m_client->m_cookie && *m_client->m_cookie)
3523 set_otherInformationString(apdu2, yaz_oid_userinfo_cookie,
3524 1, m_client->m_cookie);
3525 apdu2->u.initResponse->referenceId =
3526 apdu->u.initRequest->referenceId;
3527 apdu2->u.initResponse->options = m_client->m_initResponse_options;
3528 apdu2->u.initResponse->protocolVersion =
3529 m_client->m_initResponse_version;
3531 handle_charset_lang_negotiation(apdu2);
3533 if (m_timeout_mode == timeout_busy)
3534 m_timeout_mode = timeout_normal;
3535 send_to_client(apdu2);
3539 m_client->m_init_flag = 1;
3541 if (m_num_msg_threads && m_my_thread)
3543 Auth_Msg *m = new Auth_Msg;
3545 z_APDU(odr_encode(), &apdu, 0, "encode");
3546 char *apdu_buf = odr_getbuf(odr_encode(), &m->m_apdu_len, 0);
3547 m->m_apdu_buf = (char*) nmem_malloc(m->m_nmem, m->m_apdu_len);
3548 memcpy(m->m_apdu_buf, apdu_buf, m->m_apdu_len);
3549 odr_reset(odr_encode());
3552 m_my_thread->put(m);
3556 int ret = handle_authentication(apdu);
3557 result_authentication(apdu, ret);
3561 void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu)
3563 Z_ReferenceId **refid = get_referenceIdP(apdu);
3564 nmem_reset(m_referenceId_mem);
3565 if (refid && *refid)
3567 m_referenceId = (Z_ReferenceId *)
3568 nmem_malloc(m_referenceId_mem, sizeof(*m_referenceId));
3569 m_referenceId->len = (*refid)->len;
3570 #if YAZ_VERSIONL < 0x50000
3571 m_referenceId->size = m_referenceId->len;
3572 m_referenceId->buf = (unsigned char *)
3573 nmem_strdupn(m_referenceId_mem, (const char *)
3574 (*refid)->buf, (*refid)->len);
3576 m_referenceId->buf =
3577 nmem_strdupn(m_referenceId_mem, (*refid)->buf, (*refid)->len);
3583 if (!m_client && m_flag_invalid_session)
3585 // Got request for a session that is invalid..
3586 m_apdu_invalid_session = apdu; // save package
3587 m_mem_invalid_session = odr_extract_mem(odr_decode());
3588 apdu = m_initRequest_apdu; // but throw an init to the target
3591 if (apdu->which == Z_APDU_searchRequest)
3592 m_search_stat.add_bytes(1);
3594 // Handle global authentication
3595 if (!handle_global_authentication(apdu))
3598 { // HTTP. Send unauthorized
3599 send_http_response(401);
3604 // Z39.50 just shutdown
3611 // Determine our client.
3612 Z_OtherInformation **oi;
3613 get_otherInfoAPDU(apdu, &oi);
3614 int http_code = 404;
3615 m_client = get_client(apdu, get_cookie(oi), get_proxy(oi), &http_code);
3619 { // HTTP. Send not found
3620 send_http_response(http_code);
3625 // Z39.50 just shutdown
3631 m_client->m_server = this;
3633 if (apdu->which == Z_APDU_initRequest)
3636 handle_incoming_Z_PDU_2(apdu);
3639 void Yaz_Proxy::handle_incoming_Z_PDU_2(Z_APDU *apdu)
3641 handle_max_record_retrieve(apdu);
3644 apdu = handle_syntax_validation(apdu);
3647 apdu = handle_query_transformation(apdu);
3650 apdu = handle_target_charset_conversion(apdu);
3653 apdu = handle_query_validation(apdu);
3656 apdu = result_set_optimize(apdu);
3660 m_client->timeout(m_target_idletime); // mark it active even
3661 recv_GDU_more(true);
3662 // though we didn't use it
3666 // delete other info construct completely if 0 elements
3667 Z_OtherInformation **oi;
3668 get_otherInfoAPDU(apdu, &oi);
3669 if (oi && *oi && (*oi)->num_elements == 0)
3672 if (apdu->which == Z_APDU_presentRequest &&
3673 m_client->m_resultSetStartPoint == 0)
3675 Z_PresentRequest *pr = apdu->u.presentRequest;
3676 m_client->m_resultSetStartPoint = *pr->resultSetStartPoint;
3677 m_client->m_cache.copy_presentRequest(apdu->u.presentRequest);
3679 m_client->m_resultSetStartPoint = 0;
3681 if (m_client->send_to_target(apdu) < 0)
3683 m_client->shutdown();
3686 m_client->m_waiting = 1;
3689 void Yaz_Proxy::connectNotify()
3693 void Yaz_Proxy::releaseClient()
3695 xfree(m_proxyTarget);
3697 m_flag_invalid_session = 0;
3698 // only keep if keep_alive flag is set...
3700 m_client->m_pdu_recv < m_keepalive_limit_pdu &&
3701 m_client->m_bytes_recv+m_client->m_bytes_sent < m_keepalive_limit_bw &&
3702 m_client->m_waiting == 0)
3704 yaz_log(YLOG_LOG, "%sShutdown (client to proxy) keepalive %s",
3706 m_client->get_hostname());
3707 yaz_log(YLOG_LOG, "%sbw=%d pdu=%d limit-bw=%d limit-pdu=%d",
3708 m_session_str, m_client->m_pdu_recv,
3709 m_client->m_bytes_sent + m_client->m_bytes_recv,
3710 m_keepalive_limit_bw, m_keepalive_limit_pdu);
3711 assert (m_client->m_waiting != 2);
3712 // Tell client (if any) that no server connection is there..
3713 m_client->m_server = 0;
3718 yaz_log(YLOG_LOG, "%sShutdown (client to proxy) close %s",
3720 m_client->get_hostname());
3721 assert (m_client->m_waiting != 2);
3727 yaz_log(YLOG_LOG, "%sshutdown (client to proxy) bad state",
3733 yaz_log(YLOG_LOG, "%sShutdown (client to proxy)",
3737 m_parent->pre_init();
3740 bool Yaz_Proxy::dec_ref()
3742 m_http_keepalive = 0;
3745 if (m_ref_count > 0)
3754 const char *Yaz_ProxyClient::get_session_str()
3758 return m_server->get_session_str();
3761 void Yaz_ProxyClient::shutdown()
3763 yaz_log(YLOG_LOG, "%sShutdown (proxy to target) %s", get_session_str(),
3768 m_waiting = 1; // ensure it's released from Yaz_Proxy::releaseClient
3769 m_server->dec_ref();
3775 void Yaz_Proxy::failNotify()
3778 yaz_log(YLOG_LOG, "%sConnection closed by client", get_session_str());
3782 void Yaz_Proxy::send_response_fail_client(const char *addr)
3786 Z_SRW_diagnostic *diagnostic = 0;
3787 int num_diagnostic = 0;
3789 yaz_add_srw_diagnostic(odr_encode(),
3790 &diagnostic, &num_diagnostic,
3791 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, addr);
3792 if (m_s2z_search_apdu)
3793 send_srw_search_response(diagnostic, num_diagnostic);
3794 else if (m_s2z_scan_apdu)
3795 send_srw_scan_response(diagnostic, num_diagnostic);
3797 send_srw_explain_response(diagnostic, num_diagnostic);
3801 void Yaz_ProxyClient::failNotify()
3804 m_server->inc_request_no();
3805 yaz_log(YLOG_LOG, "%sConnection closed by target %s",
3806 get_session_str(), get_hostname());
3809 m_server->send_response_fail_client(get_hostname());
3813 void Yaz_ProxyClient::connectNotify()
3815 const char *s = get_session_str();
3816 const char *h = get_hostname();
3817 yaz_log(YLOG_LOG, "%sConnection accepted by %s timeout=%d", s, h,
3819 timeout(m_target_idletime);
3824 IPDU_Observer *Yaz_ProxyClient::sessionNotify(IPDU_Observable
3825 *the_PDU_Observable, int fd)
3827 return new Yaz_ProxyClient(the_PDU_Observable, 0);
3830 Yaz_ProxyClient::~Yaz_ProxyClient()
3835 m_next->m_prev = m_prev;
3836 m_waiting = 2; // for debugging purposes only.
3837 odr_destroy(m_init_odr);
3838 odr_destroy(m_idAuthentication_odr);
3839 delete m_last_query;
3840 xfree(m_last_resultSetId);
3844 void Yaz_ProxyClient::pre_init_client()
3846 Z_APDU *apdu = create_Z_PDU(Z_APDU_initRequest);
3847 Z_InitRequest *req = apdu->u.initRequest;
3850 for (i = 0; i<= 24; i++)
3851 ODR_MASK_SET(req->options, i);
3852 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3853 Z_Options_negotiationModel);
3854 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3855 Z_Options_concurrentOperations);
3856 for (i = 0; i<= 10; i++)
3857 ODR_MASK_SET(req->protocolVersion, i);
3859 if (send_to_target(apdu) < 0)
3870 void Yaz_Proxy::pre_init()
3873 const char *name = 0;
3874 const char *zurl_in_use[MAX_ZURL_PLEX];
3875 int limit_bw, limit_pdu, limit_req, limit_search;
3876 int target_idletime, client_idletime;
3877 int max_sockets = m_max_sockets;
3879 int keepalive_limit_bw, keepalive_limit_pdu;
3881 const char *cql2rpn = 0;
3882 const char *authentication = 0;
3883 const char *negotiation_charset = 0;
3884 const char *negotiation_lang = 0;
3886 Yaz_ProxyConfig *cfg = check_reconfigure();
3890 if (m_log_mask & PROXY_LOG_APDU_CLIENT)
3895 for (i = 0; cfg && cfg->get_target_no(i, &name, zurl_in_use,
3896 &limit_bw, &limit_pdu, &limit_req,
3898 &target_idletime, &client_idletime,
3901 &keepalive_limit_bw,
3902 &keepalive_limit_pdu,
3906 &negotiation_charset,
3914 for (j = 0; zurl_in_use[j]; j++)
3918 int spare_waiting = 0;
3921 for (c = m_clientPool; c; c = c->m_next)
3923 if (!strcmp(zurl_in_use[j], c->get_hostname()))
3925 if (c->m_cookie == 0)
3927 if (c->m_server == 0)
3939 yaz_log(YLOG_LOG, "%spre-init %s %s use=%d other=%d spare=%d "
3940 "sparew=%d preinit=%d",m_session_str,
3941 name, zurl_in_use[j], in_use, other,
3942 spare, spare_waiting, pre_init);
3943 if (spare + spare_waiting < pre_init
3944 && in_use + spare + spare_waiting + other < max_sockets)
3946 c = new Yaz_ProxyClient(m_PDU_Observable->clone(), this);
3947 c->m_next = m_clientPool;
3949 c->m_next->m_prev = &c->m_next;
3951 c->m_prev = &m_clientPool;
3953 if (m_log_mask & PROXY_LOG_APDU_SERVER)
3954 c->set_APDU_yazlog(1);
3956 c->set_APDU_yazlog(0);
3958 if (c->client(zurl_in_use[j]))
3966 c->m_target_idletime = target_idletime;
3967 c->m_seqno = m_seqno++;
3974 void Yaz_Proxy::timeoutNotify()
3979 switch(m_timeout_mode)
3981 case timeout_normal:
3985 yaz_log(YLOG_LOG, "%sTimeout (client to proxy)", m_session_str);
3988 case timeout_reduce:
3989 timeout(m_client_idletime);
3990 m_timeout_mode = timeout_busy;
3991 gdu = m_timeout_gdu;
3993 recv_GDU_normal(gdu);
3996 assert(m_stylesheet_nprl);
3997 convert_xsl_delay();
3998 recv_GDU_more(true);
4008 void Yaz_Proxy::markInvalid()
4011 m_flag_invalid_session = 1;
4014 void Yaz_ProxyClient::timeoutNotify()
4017 m_server->inc_request_no();
4019 yaz_log(YLOG_LOG, "%sTimeout (proxy to target) %s", get_session_str(),
4023 m_server->send_response_fail_client(get_hostname());
4025 Yaz_Proxy *proxy_root = m_root;
4029 proxy_root->pre_init();
4032 Yaz_ProxyClient::Yaz_ProxyClient(IPDU_Observable *the_PDU_Observable,
4033 Yaz_Proxy *parent) :
4034 Z_Assoc (the_PDU_Observable)
4041 m_last_resultSetId = 0;
4042 m_last_resultCount = 0;
4046 m_init_odr = odr_createmem (ODR_DECODE);
4048 m_initResponse_options = 0;
4049 m_initResponse_version = 0;
4050 m_initResponse_preferredMessageSize = 0;
4051 m_initResponse_maximumRecordSize = 0;
4052 m_resultSetStartPoint = 0;
4053 m_bytes_sent = m_bytes_recv = 0;
4057 m_target_idletime = 600;
4059 m_idAuthentication_odr = odr_createmem(ODR_ENCODE);
4060 m_idAuthentication_ber_buf = 0;
4061 m_idAuthentication_ber_size = 0;
4064 const char *Yaz_Proxy::option(const char *name, const char *value)
4066 if (!strcmp (name, "optimize")) {
4069 m_optimize = xstrdup(value);
4076 void Yaz_ProxyClient::recv_HTTP_response(Z_HTTP_Response *apdu, int len)
4081 void Yaz_ProxyClient::recv_GDU(Z_GDU *apdu, int len)
4083 if (apdu->which == Z_GDU_Z3950)
4084 recv_Z_PDU(apdu->u.z3950, len);
4085 else if (apdu->which == Z_GDU_HTTP_Response)
4086 recv_HTTP_response(apdu->u.HTTP_Response, len);
4091 int Yaz_Proxy::handle_init_response_for_invalid_session(Z_APDU *apdu)
4093 if (!m_flag_invalid_session)
4095 m_flag_invalid_session = 0;
4096 handle_incoming_Z_PDU(m_apdu_invalid_session);
4097 assert (m_mem_invalid_session);
4098 nmem_destroy(m_mem_invalid_session);
4099 m_mem_invalid_session = 0;
4103 void Yaz_ProxyClient::recv_Z_PDU(Z_APDU *apdu, int len)
4105 m_bytes_recv += len;
4109 if (m_root->get_log_mask() & PROXY_LOG_REQ_SERVER)
4110 yaz_log(YLOG_LOG, "%sReceiving %s from %s %d bytes", get_session_str(),
4111 apdu_name(apdu), get_hostname(), len);
4112 if (apdu->which == Z_APDU_initResponse)
4114 if (!m_server) // if this is a pre init session , check for more
4116 NMEM nmem = odr_extract_mem (odr_decode());
4117 odr_reset (m_init_odr);
4118 nmem_transfer (m_init_odr->mem, nmem);
4119 m_initResponse = apdu;
4120 m_initResponse_options = apdu->u.initResponse->options;
4121 m_initResponse_version = apdu->u.initResponse->protocolVersion;
4122 m_initResponse_preferredMessageSize =
4123 *apdu->u.initResponse->preferredMessageSize;
4124 m_initResponse_maximumRecordSize =
4125 *apdu->u.initResponse->maximumRecordSize;
4127 Z_InitResponse *ir = apdu->u.initResponse;
4129 // apply YAZ Proxy version
4130 char *imv0 = ir->implementationVersion;
4131 char *imv1 = (char*)
4132 odr_malloc(m_init_odr, 20 + (imv0 ? strlen(imv0) : 0));
4137 strcat(imv1, "/" VERSION);
4139 ir->implementationVersion = imv1;
4141 // apply YAZ Proxy implementation name
4142 char *im0 = ir->implementationName;
4144 odr_malloc(m_init_odr, 20 + (im0 ? strlen(im0) : 0));
4151 strcat(im1, "(YAZ Proxy)");
4152 ir->implementationName = im1;
4154 nmem_destroy (nmem);
4156 if (m_server && m_server->handle_init_response_for_invalid_session(apdu))
4159 if (apdu->which == Z_APDU_searchResponse)
4161 Z_SearchResponse *sr = apdu->u.searchResponse;
4162 m_last_resultCount = *sr->resultCount;
4163 int status = *sr->searchStatus;
4164 if (status && (!sr->records || sr->records->which == Z_Records_DBOSD))
4168 if (sr->records && sr->records->which == Z_Records_DBOSD)
4170 m_cache.add(odr_decode(),
4171 sr->records->u.databaseOrSurDiagnostics, 1,
4176 if (apdu->which == Z_APDU_presentResponse)
4178 Z_PresentResponse *pr = apdu->u.presentResponse;
4182 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
4183 Z_SearchResponse *sr = new_apdu->u.searchResponse;
4184 sr->referenceId = pr->referenceId;
4185 *sr->resultCount = m_last_resultCount;
4186 sr->records = pr->records;
4187 sr->nextResultSetPosition = pr->nextResultSetPosition;
4188 sr->numberOfRecordsReturned = pr->numberOfRecordsReturned;
4192 pr->records->which == Z_Records_DBOSD && m_resultSetStartPoint)
4194 m_cache.add(odr_decode(),
4195 pr->records->u.databaseOrSurDiagnostics,
4196 m_resultSetStartPoint, -1);
4197 m_resultSetStartPoint = 0;
4201 set_otherInformationString(apdu, yaz_oid_userinfo_cookie, 1, m_cookie);
4203 Yaz_Proxy *server = m_server; // save it. send_to_client may destroy us
4206 server->send_to_client(apdu);
4207 if (apdu->which == Z_APDU_close)
4210 server->recv_GDU_more(true);
4213 void Yaz_Proxy::low_socket_close()
4218 for (i = 0; i<NO_SPARE_SOLARIS_FD; i++)
4219 if (m_lo_fd[i] >= 0)
4220 ::close(m_lo_fd[i]);
4224 void Yaz_Proxy::low_socket_open()
4229 for (i = 0; i<NO_SPARE_SOLARIS_FD; i++)
4230 m_lo_fd[i] = open("/dev/null", O_RDONLY);
4234 int Yaz_Proxy::server(const char *addr)
4236 int r = Z_Assoc::server(addr);
4239 yaz_log(YLOG_LOG, "%sStarted proxy "
4243 " on %s", m_session_str, addr);
4249 void Yaz_Proxy::base64_decode(const char *base64, char *buf, int buf_len)
4251 const char *base64_chars =
4252 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
4253 int len = strlen(base64);
4257 for (int pos = 0; pos <= len; pos++)
4259 if (base64[pos] == '=' || buf_pos + 1 >= buf_len)
4262 const char *ch_ptr = strchr(base64_chars, base64[pos]);
4265 char ch = (char) (ch_ptr - base64_chars);
4269 buf[buf_pos] = ch << 2;
4272 buf[buf_pos++] += (ch & 0x30) >> 4;
4273 buf[buf_pos] = (ch & 0x0f) << 4;
4276 buf[buf_pos++] += (ch & 0x3c) >> 2;
4277 buf[buf_pos] = (ch & 0x03) << 6;
4280 buf[buf_pos++] += ch;
4287 buf[buf_pos] = '\0';
4293 * c-file-style: "Stroustrup"
4294 * indent-tabs-mode: nil
4296 * vim: shiftwidth=4 tabstop=8 expandtab