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();
298 m_main_ptr_dec = false;
300 m_num_msg_threads = 0;
303 void Yaz_Proxy::inc_ref()
308 Yaz_Proxy::~Yaz_Proxy()
310 yaz_log(YLOG_LOG, "%sClosed %d/%d sent/recv bytes total", m_session_str,
311 m_bytes_sent, m_bytes_recv);
312 nmem_destroy(m_initRequest_mem);
313 nmem_destroy(m_mem_invalid_session);
314 nmem_destroy(m_referenceId_mem);
316 xfree(m_proxyTarget);
317 xfree(m_default_target);
318 xfree(m_proxy_negotiation_charset);
319 xfree(m_proxy_negotiation_lang);
320 xfree(m_proxy_negotiation_default_charset);
321 delete m_charset_converter;
325 if (m_stylesheet_xsp)
326 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
332 xfree(m_backend_type);
333 xfree(m_backend_charset);
334 xfree(m_usemarcon_ini_stage1);
335 xfree(m_usemarcon_ini_stage2);
338 odr_destroy(m_s2z_odr_init);
339 if (m_s2z_odr_search)
340 odr_destroy(m_s2z_odr_search);
348 void Yaz_Proxy::set_debug_mode(int mode)
353 int Yaz_Proxy::set_config(const char *config)
356 m_config = new Yaz_ProxyConfig();
357 xfree(m_config_fname);
358 m_config_fname = xstrdup(config);
359 int r = m_config->read_xml(config);
363 m_config->get_generic_info(&m_log_mask, &m_max_clients,
364 &m_max_connect, &m_limit_connect, &period,
366 m_connect.set_period(period);
371 void Yaz_Proxy::set_default_target(const char *target)
373 xfree(m_default_target);
374 m_default_target = 0;
376 m_default_target = (char *) xstrdup(target);
379 void Yaz_Proxy::set_proxy_negotiation(const char *charset, const char *lang,
380 const char *default_charset)
382 yaz_log(YLOG_DEBUG, "%sSet the proxy negotiation: charset to '%s', "
383 "default charset to '%s', language to '%s'", m_session_str,
384 charset?charset:"none",
385 default_charset?default_charset:"none",
387 xfree(m_proxy_negotiation_charset);
388 xfree(m_proxy_negotiation_lang);
389 m_proxy_negotiation_charset = m_proxy_negotiation_lang = 0;
391 m_proxy_negotiation_charset = (char *) xstrdup(charset);
393 m_proxy_negotiation_lang = (char *) xstrdup(lang);
395 m_proxy_negotiation_default_charset =
396 (char *) xstrdup(default_charset);
399 Yaz_ProxyConfig *Yaz_Proxy::check_reconfigure()
402 return m_parent->check_reconfigure();
404 Yaz_ProxyConfig *cfg = m_config;
407 yaz_log(YLOG_LOG, "reconfigure");
408 if (m_config_fname && cfg)
410 yaz_log(YLOG_LOG, "reconfigure config %s", m_config_fname);
411 int r = cfg->read_xml(m_config_fname);
413 yaz_log(YLOG_WARN, "reconfigure failed");
418 cfg->get_generic_info(&m_log_mask, &m_max_clients,
419 &m_max_connect, &m_limit_connect,
420 &period, &m_num_msg_threads);
421 m_connect.set_period(period);
425 yaz_log(YLOG_LOG, "reconfigure");
431 IPDU_Observer *Yaz_Proxy::sessionNotify(IPDU_Observable
432 *the_PDU_Observable, int fd)
436 char session_str[200];
437 const char *peername = the_PDU_Observable->getpeername();
439 peername = "nullpeer";
441 if (m_log_mask & PROXY_LOG_IP_CLIENT)
442 sprintf(session_str, "%ld:%d %.80s %d ",
443 (long) time(0), m_session_no, peername, 0);
445 sprintf(session_str, "%ld:%d %d ",
446 (long) time(0), m_session_no, 0);
449 yaz_log(YLOG_LOG, "%sNew session %s", session_str, peername);
451 Yaz_Proxy *new_proxy = new Yaz_Proxy(the_PDU_Observable,
452 m_socket_observable, this);
454 new_proxy->m_config = 0;
455 new_proxy->m_config_fname = 0;
456 new_proxy->timeout(m_client_idletime);
457 new_proxy->m_target_idletime = m_target_idletime;
458 new_proxy->set_default_target(m_default_target);
459 new_proxy->m_max_clients = m_max_clients;
460 new_proxy->m_log_mask = m_log_mask;
461 new_proxy->m_session_no = m_session_no;
462 new_proxy->m_num_msg_threads = m_num_msg_threads;
465 // in case we want to watch a particular client..
466 if (!strcmp(peername, "tcp:163.121.19.82")) // NIS GROUP
467 new_proxy->m_log_mask = 255;
470 new_proxy->set_APDU_log(get_APDU_log());
471 if (new_proxy->m_log_mask & PROXY_LOG_APDU_CLIENT)
472 new_proxy->set_APDU_yazlog(1);
474 new_proxy->set_APDU_yazlog(0);
475 strcpy(new_proxy->m_session_str, session_str);
476 new_proxy->m_peername = xstrdup(peername);
477 new_proxy->set_proxy_negotiation(m_proxy_negotiation_charset,
478 m_proxy_negotiation_lang, m_proxy_negotiation_default_charset);
479 // create thread object the first time we get an incoming connection
480 if (!m_my_thread && m_num_msg_threads > 0)
482 yaz_log(YLOG_LOG, "%sStarting message thread management. number=%d",
483 session_str, m_num_msg_threads);
484 m_my_thread = new Msg_Thread(m_socket_observable, m_num_msg_threads);
486 new_proxy->m_my_thread = m_my_thread;
490 char *Yaz_Proxy::get_cookie(Z_OtherInformation **otherInfo)
492 Z_OtherInformationUnit *oi =
493 update_otherInformation(otherInfo, 0, yaz_oid_userinfo_cookie, 1, 1);
495 if (oi && oi->which == Z_OtherInfo_characterInfo)
496 return oi->information.characterInfo;
500 char *Yaz_Proxy::get_proxy(Z_OtherInformation **otherInfo)
502 Z_OtherInformationUnit *oi =
503 update_otherInformation(otherInfo, 0, yaz_oid_userinfo_proxy, 1, 1);
505 if (oi && oi->which == Z_OtherInfo_characterInfo)
506 return oi->information.characterInfo;
509 const char *Yaz_Proxy::load_balance(const char **url)
511 int zurl_in_use[MAX_ZURL_PLEX];
512 int zurl_in_spare[MAX_ZURL_PLEX];
516 for (i = 0; i<MAX_ZURL_PLEX; i++)
519 zurl_in_spare[i] = 0;
521 for (c = m_parent->m_clientPool; c; c = c->m_next)
523 for (i = 0; url[i]; i++)
524 if (!strcmp(url[i], c->get_hostname()))
527 if (c->m_cookie == 0 && c->m_server == 0 && c->m_waiting == 0)
531 int min_use = 100000;
532 int spare_for_min = 0;
534 const char *ret_min = 0;
535 const char *ret_spare = 0;
536 for (i = 0; url[i]; i++)
538 yaz_log(YLOG_DEBUG, "%szurl=%s use=%d spare=%d",
539 m_session_str, url[i], zurl_in_use[i], zurl_in_spare[i]);
540 if (min_use > zurl_in_use[i])
543 min_use = zurl_in_use[i];
544 spare_for_min = zurl_in_spare[i];
546 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;
2592 Yaz_ProxyConfig *cfg = check_reconfigure();
2593 // 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 if (stylesheet_name)
2729 m_parent->low_socket_close();
2732 if (m_stylesheet_xsp)
2733 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
2734 m_stylesheet_xsp = xsltParseStylesheetFile((const xmlChar*)
2737 m_stylesheet_offset = 0;
2738 xfree(stylesheet_name);
2740 m_parent->low_socket_open();
2744 sr->smallSetElementSetNames = 0;
2745 sr->mediumSetElementSetNames = 0;
2746 m_marcxml_mode = marcxml;
2747 sr->preferredRecordSyntax =
2748 yaz_string_to_oid_odr(
2749 yaz_oid_std(), CLASS_RECSYN,
2750 m_backend_type ? m_backend_type : "usmarc",
2755 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
2757 new_apdu->u.searchResponse->referenceId = sr->referenceId;
2758 new_apdu->u.searchResponse->records =
2759 create_nonSurrogateDiagnostics(odr_encode(), err, addinfo);
2760 *new_apdu->u.searchResponse->searchStatus = 0;
2762 send_to_client(new_apdu);
2766 else if (m_backend_type)
2768 sr->preferredRecordSyntax =
2769 yaz_string_to_oid_odr(yaz_oid_std(), CLASS_RECSYN,
2770 m_backend_type, odr_encode());
2773 else if (apdu->which == Z_APDU_presentRequest)
2775 Z_PresentRequest *pr = apdu->u.presentRequest;
2778 Yaz_ProxyConfig *cfg = check_reconfigure();
2780 if (pr->preferredRecordSyntax)
2781 oid_oidcpy(m_frontend_type, pr->preferredRecordSyntax);
2783 m_frontend_type[0] = -1;
2785 char *stylesheet_name = 0;
2787 err = cfg->check_syntax(odr_encode(), m_default_target,
2788 pr->preferredRecordSyntax,
2789 pr->recordComposition,
2790 &addinfo, &stylesheet_name, &m_schema,
2791 &m_backend_type, &m_backend_charset,
2792 &m_usemarcon_ini_stage1,
2793 &m_usemarcon_ini_stage2
2795 if (stylesheet_name)
2797 m_parent->low_socket_close();
2800 if (m_stylesheet_xsp)
2801 xsltFreeStylesheet((xsltStylesheetPtr) m_stylesheet_xsp);
2802 m_stylesheet_xsp = xsltParseStylesheetFile((const xmlChar*)
2805 m_stylesheet_offset = 0;
2806 xfree(stylesheet_name);
2808 m_parent->low_socket_open();
2812 pr->recordComposition = 0;
2813 m_marcxml_mode = marcxml;
2815 pr->preferredRecordSyntax =
2816 yaz_string_to_oid_odr(
2817 yaz_oid_std(), CLASS_RECSYN,
2818 m_backend_type ? m_backend_type : "usmarc",
2823 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse);
2825 new_apdu->u.presentResponse->referenceId = pr->referenceId;
2826 new_apdu->u.presentResponse->records =
2827 create_nonSurrogateDiagnostics(odr_encode(), err, addinfo);
2828 *new_apdu->u.presentResponse->presentStatus =
2829 Z_PresentStatus_failure;
2831 send_to_client(new_apdu);
2835 else if (m_backend_type)
2837 pr->preferredRecordSyntax =
2838 yaz_string_to_oid_odr(yaz_oid_std(),
2839 CLASS_RECSYN, m_backend_type,
2846 Z_ElementSetNames *Yaz_Proxy::mk_esn_from_schema(ODR o, const char *schema)
2850 Z_ElementSetNames *esn = (Z_ElementSetNames *)
2851 odr_malloc(o, sizeof(Z_ElementSetNames));
2852 esn->which = Z_ElementSetNames_generic;
2853 esn->u.generic = odr_strdup(o, schema);
2857 void Yaz_Proxy::srw_get_client(const char *db, const char **backend_db)
2860 Yaz_ProxyConfig *cfg = check_reconfigure();
2862 t = cfg->get_explain_name(db, backend_db);
2864 if (m_client && m_default_target && t && strcmp(m_default_target, t))
2871 xfree(m_default_target);
2872 m_default_target = xstrdup(t);
2876 int Yaz_Proxy::file_access(Z_HTTP_Request *hreq)
2879 if (strcmp(hreq->method, "GET"))
2881 if (hreq->path[0] != '/')
2883 const char *cp = hreq->path;
2886 if (*cp == '/' && strchr("/.", cp[1]))
2891 Yaz_ProxyConfig *cfg = check_reconfigure();
2893 if (!cfg->get_file_access_info(hreq->path+1))
2896 const char *fname = hreq->path+1;
2897 if (stat(fname, &sbuf))
2899 yaz_log(YLOG_LOG|YLOG_ERRNO, "%sstat failed for %s", m_session_str,
2903 if ((sbuf.st_mode & S_IFMT) != S_IFREG)
2905 yaz_log(YLOG_LOG, "%sNot a regular file %s", m_session_str, fname);
2908 if (sbuf.st_size > (off_t) 1000000)
2910 yaz_log(YLOG_WARN, "%sFile %s too large for transfer", m_session_str,
2915 ODR o = odr_encode();
2917 const char *ctype = cfg->check_mime_type(fname);
2918 Z_GDU *gdu = z_get_HTTP_Response(o, 200);
2919 Z_HTTP_Response *hres = gdu->u.HTTP_Response;
2921 hres->version = odr_strdup(o, m_http_version);
2922 z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
2923 if (m_http_keepalive)
2924 z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
2928 hres->content_len = sbuf.st_size;
2929 hres->content_buf = (char*) odr_malloc(o, hres->content_len);
2930 FILE *f = fopen(fname, "rb");
2933 fread(hres->content_buf, 1, hres->content_len, f);
2940 if (m_log_mask & PROXY_LOG_REQ_CLIENT)
2942 yaz_log(YLOG_LOG, "%sSending file %s to client", m_session_str,
2946 send_GDU(gdu, &len);
2947 recv_GDU_more(true);
2951 void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq)
2955 odr_destroy(m_s2z_odr_init);
2958 if (m_s2z_odr_search)
2960 odr_destroy(m_s2z_odr_search);
2961 m_s2z_odr_search = 0;
2965 odr_destroy(m_s2z_odr_scan);
2969 m_http_keepalive = 0;
2971 if (!strcmp(hreq->version, "1.0"))
2973 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
2974 if (v && !strcmp(v, "Keep-Alive"))
2975 m_http_keepalive = 1;
2977 m_http_keepalive = 0;
2978 m_http_version = "1.0";
2982 const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
2983 if (v && !strcmp(v, "close"))
2984 m_http_keepalive = 0;
2986 m_http_keepalive = 1;
2987 m_http_version = "1.1";
2990 const char *a = z_HTTP_header_lookup(hreq->headers, "Authorization");
2991 char authorization_str[255];
2992 *authorization_str = '\0';
2993 if (a && strncasecmp(a, "Basic ", 6) == 0)
2994 base64_decode(a + 6, authorization_str, 254);
2996 Z_SRW_PDU *srw_pdu = 0;
2997 Z_SOAP *soap_package = 0;
2999 Z_SRW_diagnostic *diagnostic = 0;
3000 int num_diagnostic = 0;
3002 yaz_log(YLOG_LOG, "%s%s %s", m_session_str, hreq->method, hreq->path);
3004 if (file_access(hreq))
3008 else if (yaz_srw_decode(hreq, &srw_pdu, &soap_package, odr_decode(),
3010 || yaz_sru_decode(hreq, &srw_pdu, &soap_package, odr_decode(),
3011 &charset, &diagnostic, &num_diagnostic) == 0)
3013 m_s2z_odr_init = odr_createmem(ODR_ENCODE);
3014 m_s2z_odr_search = odr_createmem(ODR_ENCODE);
3015 m_s2z_odr_scan = odr_createmem(ODR_ENCODE);
3016 m_soap_ns = odr_strdup(m_s2z_odr_search, soap_package->ns);
3017 m_s2z_init_apdu = 0;
3018 m_s2z_search_apdu = 0;
3019 m_s2z_present_apdu = 0;
3020 m_s2z_scan_apdu = 0;
3022 m_s2z_stylesheet = 0;
3024 Z_IdAuthentication *auth = NULL;
3025 if (srw_pdu->username && !srw_pdu->password)
3027 yaz_log(YLOG_LOG, "username: %s\n", srw_pdu->username);
3028 auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
3029 auth->which = Z_IdAuthentication_open;
3030 auth->u.open = odr_strdup(m_s2z_odr_init, srw_pdu->username);
3032 else if (srw_pdu->username && srw_pdu->password)
3034 yaz_log(YLOG_LOG, "username/password: %s/%s\n",
3035 srw_pdu->username, srw_pdu->password);
3036 auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
3037 auth->which = Z_IdAuthentication_idPass;
3038 auth->u.idPass = (Z_IdPass *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdPass));
3039 auth->u.idPass->groupId = NULL;
3040 auth->u.idPass->password = odr_strdup(m_s2z_odr_init, srw_pdu->password);
3041 auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, srw_pdu->username);
3045 if (*authorization_str)
3047 yaz_log(YLOG_LOG, "authorization_str present: %s\n", authorization_str);
3048 auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication));
3049 auth->which = Z_IdAuthentication_idPass;
3050 auth->u.idPass = (Z_IdPass *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdPass));
3051 auth->u.idPass->groupId = NULL;
3052 char *p = strchr(authorization_str, ':');
3057 auth->u.idPass->password = odr_strdup(m_s2z_odr_init, p);
3059 auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, authorization_str);
3063 if (srw_pdu->which == Z_SRW_searchRetrieve_request)
3066 Z_SRW_searchRetrieveRequest *srw_req = srw_pdu->u.request;
3068 const char *backend_db = srw_req->database;
3069 srw_get_client(srw_req->database, &backend_db);
3071 m_s2z_database = odr_strdup(m_s2z_odr_init, srw_req->database);
3072 // recordXPath unsupported.
3073 if (srw_req->recordXPath)
3075 yaz_add_srw_diagnostic(odr_decode(),
3076 &diagnostic, &num_diagnostic,
3080 if (srw_req->sort_type != Z_SRW_sort_type_none)
3082 yaz_add_srw_diagnostic(odr_decode(),
3083 &diagnostic, &num_diagnostic,
3087 if (srw_req->stylesheet)
3089 odr_strdup(m_s2z_odr_init, srw_req->stylesheet);
3091 // set packing for response records ..
3092 if (srw_req->recordPacking &&
3093 !strcmp(srw_req->recordPacking, "xml"))
3094 m_s2z_packing = Z_SRW_recordPacking_XML;
3096 m_s2z_packing = Z_SRW_recordPacking_string;
3100 Z_SRW_PDU *srw_pdu =
3101 yaz_srw_get(odr_encode(),
3102 Z_SRW_searchRetrieve_response);
3103 Z_SRW_searchRetrieveResponse *srw_res = srw_pdu->u.response;
3105 srw_res->diagnostics = diagnostic;
3106 srw_res->num_diagnostics = num_diagnostic;
3107 send_srw_response(srw_pdu);
3111 // prepare search PDU
3112 m_s2z_search_apdu = zget_APDU(m_s2z_odr_search,
3113 Z_APDU_searchRequest);
3114 Z_SearchRequest *z_searchRequest =
3115 m_s2z_search_apdu->u.searchRequest;
3117 z_searchRequest->num_databaseNames = 1;
3118 z_searchRequest->databaseNames = (char**)
3119 odr_malloc(m_s2z_odr_search, sizeof(char *));
3120 z_searchRequest->databaseNames[0] = odr_strdup(m_s2z_odr_search,
3123 // query transformation
3124 Z_Query *query = (Z_Query *)
3125 odr_malloc(m_s2z_odr_search, sizeof(Z_Query));
3126 z_searchRequest->query = query;
3128 if (srw_req->query_type == Z_SRW_query_type_cql)
3130 Z_External *ext = (Z_External *)
3131 odr_malloc(m_s2z_odr_search, sizeof(*ext));
3132 ext->direct_reference =
3133 odr_getoidbystr(m_s2z_odr_search, "1.2.840.10003.16.2");
3134 ext->indirect_reference = 0;
3135 ext->descriptor = 0;
3136 ext->which = Z_External_CQL;
3137 ext->u.cql = srw_req->query.cql;
3139 query->which = Z_Query_type_104;
3140 query->u.type_104 = ext;
3142 else if (srw_req->query_type == Z_SRW_query_type_pqf)
3144 Z_RPNQuery *RPNquery;
3145 YAZ_PQF_Parser pqf_parser;
3147 pqf_parser = yaz_pqf_create ();
3149 RPNquery = yaz_pqf_parse (pqf_parser, m_s2z_odr_search,
3150 srw_req->query.pqf);
3153 const char *pqf_msg;
3155 int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
3157 yaz_log(YLOG_LOG, "%*s^\n", ioff+4, "");
3158 yaz_log(YLOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code);
3160 send_to_srw_client_error(10, 0);
3163 query->which = Z_Query_type_1;
3164 query->u.type_1 = RPNquery;
3166 yaz_pqf_destroy (pqf_parser);
3170 send_to_srw_client_error(7, "query");
3175 m_s2z_present_apdu = 0;
3177 if (srw_req->maximumRecords)
3178 max = *srw_req->maximumRecords;
3180 if (srw_req->startRecord)
3181 start = *srw_req->startRecord;
3184 // Some backend, such as Voyager doesn't honor piggyback
3185 // So we use present always (0 &&).
3186 if (0 && start <= 1) // Z39.50 piggyback
3188 *z_searchRequest->smallSetUpperBound = max;
3189 *z_searchRequest->mediumSetPresentNumber = max;
3190 *z_searchRequest->largeSetLowerBound = 2000000000; // 2e9
3192 z_searchRequest->preferredRecordSyntax =
3193 odr_oiddup(m_s2z_odr_search, yaz_oid_recsyn_xml);
3195 if (srw_req->recordSchema)
3197 z_searchRequest->smallSetElementSetNames =
3198 z_searchRequest->mediumSetElementSetNames =
3199 mk_esn_from_schema(m_s2z_odr_search,
3200 srw_req->recordSchema);
3203 else // Z39.50 present
3205 m_s2z_present_apdu = zget_APDU(m_s2z_odr_search,
3206 Z_APDU_presentRequest);
3207 Z_PresentRequest *z_presentRequest =
3208 m_s2z_present_apdu->u.presentRequest;
3209 *z_presentRequest->resultSetStartPoint = start;
3210 *z_presentRequest->numberOfRecordsRequested = max;
3212 z_presentRequest->preferredRecordSyntax =
3213 odr_oiddup(m_s2z_odr_search, yaz_oid_recsyn_xml);
3214 if (srw_req->recordSchema)
3216 z_presentRequest->recordComposition =
3217 (Z_RecordComposition *)
3218 odr_malloc(m_s2z_odr_search,
3219 sizeof(Z_RecordComposition));
3220 z_presentRequest->recordComposition->which =
3221 Z_RecordComp_simple;
3222 z_presentRequest->recordComposition->u.simple =
3223 mk_esn_from_schema(m_s2z_odr_search,
3224 srw_req->recordSchema);
3230 m_s2z_init_apdu = zget_APDU(m_s2z_odr_init,
3231 Z_APDU_initRequest);
3233 ODR_MASK_SET(m_s2z_init_apdu->u.initRequest->options, Z_Options_scan);
3234 m_s2z_init_apdu->u.initRequest->idAuthentication = auth;
3236 // prevent m_initRequest_apdu memory from being grabbed
3237 // in Yaz_Proxy::handle_incoming_Z_PDU
3238 m_initRequest_apdu = m_s2z_init_apdu;
3239 handle_incoming_Z_PDU(m_s2z_init_apdu);
3244 handle_incoming_Z_PDU(m_s2z_search_apdu);
3248 else if (srw_pdu->which == Z_SRW_explain_request)
3250 Z_SRW_explainRequest *srw_req = srw_pdu->u.explain_request;
3252 const char *backend_db = srw_req->database;
3253 srw_get_client(srw_req->database, &backend_db);
3255 m_s2z_database = odr_strdup(m_s2z_odr_init, srw_req->database);
3258 if (srw_req->stylesheet)
3260 odr_strdup(m_s2z_odr_init, srw_req->stylesheet);
3262 if (srw_req->recordPacking &&
3263 !strcmp(srw_req->recordPacking, "xml"))
3264 m_s2z_packing = Z_SRW_recordPacking_XML;
3266 m_s2z_packing = Z_SRW_recordPacking_string;
3270 send_srw_explain_response(diagnostic, num_diagnostic);
3276 m_s2z_init_apdu = zget_APDU(m_s2z_odr_init,
3277 Z_APDU_initRequest);
3279 ODR_MASK_SET(m_s2z_init_apdu->u.initRequest->options, Z_Options_scan);
3280 m_s2z_init_apdu->u.initRequest->idAuthentication = auth;
3282 // prevent m_initRequest_apdu memory from being grabbed
3283 // in Yaz_Proxy::handle_incoming_Z_PDU
3284 m_initRequest_apdu = m_s2z_init_apdu;
3285 handle_incoming_Z_PDU(m_s2z_init_apdu);
3288 send_srw_explain_response(0, 0);
3291 else if (srw_pdu->which == Z_SRW_scan_request)
3293 Z_SRW_scanRequest *srw_req = srw_pdu->u.scan_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,
3301 if (srw_req->stylesheet)
3303 odr_strdup(m_s2z_odr_init, srw_req->stylesheet);
3306 m_s2z_scan_apdu = zget_APDU(m_s2z_odr_scan,
3307 Z_APDU_scanRequest);
3308 Z_ScanRequest *z_scanRequest =
3309 m_s2z_scan_apdu->u.scanRequest;
3311 z_scanRequest->num_databaseNames = 1;
3312 z_scanRequest->databaseNames = (char**)
3313 odr_malloc(m_s2z_odr_scan, sizeof(char *));
3314 z_scanRequest->databaseNames[0] = odr_strdup(m_s2z_odr_scan,
3317 // query transformation
3318 if (srw_req->query_type == Z_SRW_query_type_cql)
3320 z_scanRequest->termListAndStartPoint =
3321 (Z_AttributesPlusTerm *)odr_malloc(m_s2z_odr_scan, sizeof(Z_AttributesPlusTerm));
3322 z_scanRequest->termListAndStartPoint->attributes = NULL;
3323 z_scanRequest->termListAndStartPoint->term =
3324 (Z_Term *)odr_malloc(m_s2z_odr_scan, sizeof(Z_Term));
3325 z_scanRequest->termListAndStartPoint->term->which =
3326 Z_Term_characterString;
3327 z_scanRequest->termListAndStartPoint->term->u.characterString =
3328 odr_strdup(m_s2z_odr_scan, srw_req->scanClause.cql);
3331 if (srw_req->responsePosition)
3332 z_scanRequest->preferredPositionInResponse =
3333 odr_intdup(m_s2z_odr_scan, *srw_req->responsePosition);
3334 if (srw_req->maximumTerms)
3335 *z_scanRequest->numberOfTermsRequested = *srw_req->maximumTerms;
3339 m_s2z_init_apdu = zget_APDU(m_s2z_odr_init,
3340 Z_APDU_initRequest);
3342 ODR_MASK_SET(m_s2z_init_apdu->u.initRequest->options, Z_Options_scan);
3343 m_s2z_init_apdu->u.initRequest->idAuthentication = auth;
3345 // prevent m_initRequest_apdu memory from being grabbed
3346 // in Yaz_Proxy::handle_incoming_Z_PDU
3347 m_initRequest_apdu = m_s2z_init_apdu;
3348 handle_incoming_Z_PDU(m_s2z_init_apdu);
3353 handle_incoming_Z_PDU(m_s2z_scan_apdu);
3361 send_to_srw_client_error(4, 0);
3364 send_http_response(400);
3367 void Yaz_Proxy::handle_init(Z_APDU *apdu)
3370 Z_OtherInformation **oi;
3371 get_otherInfoAPDU(apdu, &oi);
3373 if (apdu->u.initRequest->implementationId)
3374 yaz_log(YLOG_LOG, "%simplementationId: %s",
3375 m_session_str, apdu->u.initRequest->implementationId);
3376 if (apdu->u.initRequest->implementationName)
3377 yaz_log(YLOG_LOG, "%simplementationName: %s",
3378 m_session_str, apdu->u.initRequest->implementationName);
3379 if (apdu->u.initRequest->implementationVersion)
3380 yaz_log(YLOG_LOG, "%simplementationVersion: %s",
3381 m_session_str, apdu->u.initRequest->implementationVersion);
3382 if (m_initRequest_apdu == 0)
3384 if (m_initRequest_mem)
3385 nmem_destroy(m_initRequest_mem);
3387 m_initRequest_apdu = apdu;
3388 m_initRequest_mem = odr_extract_mem(odr_decode());
3390 m_initRequest_preferredMessageSize = *apdu->u.initRequest->
3391 preferredMessageSize;
3392 *apdu->u.initRequest->preferredMessageSize = 1024*1024;
3393 m_initRequest_maximumRecordSize = *apdu->u.initRequest->
3395 *apdu->u.initRequest->maximumRecordSize = 1024*1024;
3397 Z_CharSetandLanguageNegotiation *charSetandLangRecord =
3398 yaz_get_charneg_record(*oi);
3400 // Save proposal charsets and langs.
3401 if (ODR_MASK_GET(apdu->u.initRequest->options,
3402 Z_Options_negotiationModel)
3403 && charSetandLangRecord)
3406 yaz_get_proposal_charneg(m_referenceId_mem,
3407 charSetandLangRecord,
3408 &m_initRequest_oi_negotiation_charsets,
3409 &m_initRequest_oi_negotiation_num_charsets,
3410 &m_initRequest_oi_negotiation_langs,
3411 &m_initRequest_oi_negotiation_num_langs,
3412 &m_initRequest_oi_negotiation_selected);
3414 for (int i = 0; i<m_initRequest_oi_negotiation_num_charsets; i++)
3416 yaz_log(YLOG_LOG, "%scharacters set proposal: %s",
3417 m_session_str,(m_initRequest_oi_negotiation_charsets[i])?
3418 m_initRequest_oi_negotiation_charsets[i]:"none");
3420 for (int i=0; i<m_initRequest_oi_negotiation_num_langs; i++)
3422 yaz_log(YLOG_LOG, "%slanguages proposal: %s",
3423 m_session_str, (m_initRequest_oi_negotiation_langs[i])?
3424 m_initRequest_oi_negotiation_langs[i]:"none");
3426 yaz_log(YLOG_LOG, "%sselected proposal: %d (boolean)",
3427 m_session_str, m_initRequest_oi_negotiation_selected);
3429 // save init options for the response..
3430 m_initRequest_options = apdu->u.initRequest->options;
3432 apdu->u.initRequest->options =
3433 (Odr_bitmask *)nmem_malloc(m_initRequest_mem,
3434 sizeof(Odr_bitmask));
3435 ODR_MASK_ZERO(apdu->u.initRequest->options);
3437 for (i = 0; i<= 24; i++)
3438 ODR_MASK_SET(apdu->u.initRequest->options, i);
3439 // check negotiation option
3440 if (!ODR_MASK_GET(m_initRequest_options,
3441 Z_Options_negotiationModel))
3443 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3444 Z_Options_negotiationModel);
3446 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3447 Z_Options_concurrentOperations);
3449 m_initRequest_version = apdu->u.initRequest->protocolVersion;
3450 apdu->u.initRequest->protocolVersion =
3451 (Odr_bitmask *)nmem_malloc(m_initRequest_mem,
3452 sizeof(Odr_bitmask));
3453 ODR_MASK_ZERO(apdu->u.initRequest->protocolVersion);
3455 for (i = 0; i<= 8; i++)
3456 ODR_MASK_SET(apdu->u.initRequest->protocolVersion, i);
3458 handle_charset_lang_negotiation(apdu);
3459 if (m_client->m_init_flag)
3461 if (handle_init_response_for_invalid_session(apdu))
3463 if (m_client->m_initResponse)
3465 Z_APDU *apdu2 = m_client->m_initResponse;
3466 apdu2->u.initResponse->otherInfo = 0;
3467 if (m_client->m_cookie && *m_client->m_cookie)
3468 set_otherInformationString(apdu2, yaz_oid_userinfo_cookie,
3469 1, m_client->m_cookie);
3470 apdu2->u.initResponse->referenceId =
3471 apdu->u.initRequest->referenceId;
3472 apdu2->u.initResponse->options = m_client->m_initResponse_options;
3473 apdu2->u.initResponse->protocolVersion =
3474 m_client->m_initResponse_version;
3476 handle_charset_lang_negotiation(apdu2);
3478 if (m_timeout_mode == timeout_busy)
3479 m_timeout_mode = timeout_normal;
3480 send_to_client(apdu2);
3484 m_client->m_init_flag = 1;
3486 if (m_num_msg_threads && m_my_thread)
3488 Auth_Msg *m = new Auth_Msg;
3490 z_APDU(odr_encode(), &apdu, 0, "encode");
3491 char *apdu_buf = odr_getbuf(odr_encode(), &m->m_apdu_len, 0);
3492 m->m_apdu_buf = (char*) nmem_malloc(m->m_nmem, m->m_apdu_len);
3493 memcpy(m->m_apdu_buf, apdu_buf, m->m_apdu_len);
3494 odr_reset(odr_encode());
3497 m_my_thread->put(m);
3501 int ret = handle_authentication(apdu);
3502 result_authentication(apdu, ret);
3506 void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu)
3508 Z_ReferenceId **refid = get_referenceIdP(apdu);
3509 nmem_reset(m_referenceId_mem);
3510 if (refid && *refid)
3512 m_referenceId = (Z_ReferenceId *)
3513 nmem_malloc(m_referenceId_mem, sizeof(*m_referenceId));
3514 m_referenceId->len = m_referenceId->size = (*refid)->len;
3515 m_referenceId->buf = (unsigned char *)
3516 nmem_malloc(m_referenceId_mem, (*refid)->len);
3517 memcpy(m_referenceId->buf, (*refid)->buf, (*refid)->len);
3522 if (!m_client && m_flag_invalid_session)
3524 // Got request for a session that is invalid..
3525 m_apdu_invalid_session = apdu; // save package
3526 m_mem_invalid_session = odr_extract_mem(odr_decode());
3527 apdu = m_initRequest_apdu; // but throw an init to the target
3530 if (apdu->which == Z_APDU_searchRequest)
3531 m_search_stat.add_bytes(1);
3533 // Handle global authentication
3534 if (!handle_global_authentication(apdu))
3537 { // HTTP. Send unauthorized
3538 send_http_response(401);
3543 // Z39.50 just shutdown
3550 // Determine our client.
3551 Z_OtherInformation **oi;
3552 get_otherInfoAPDU(apdu, &oi);
3553 int http_code = 404;
3554 m_client = get_client(apdu, get_cookie(oi), get_proxy(oi), &http_code);
3558 { // HTTP. Send not found
3559 send_http_response(http_code);
3564 // Z39.50 just shutdown
3570 m_client->m_server = this;
3572 if (apdu->which == Z_APDU_initRequest)
3575 handle_incoming_Z_PDU_2(apdu);
3578 void Yaz_Proxy::handle_incoming_Z_PDU_2(Z_APDU *apdu)
3580 handle_max_record_retrieve(apdu);
3583 apdu = handle_syntax_validation(apdu);
3586 apdu = handle_query_transformation(apdu);
3589 apdu = handle_target_charset_conversion(apdu);
3592 apdu = handle_query_validation(apdu);
3595 apdu = result_set_optimize(apdu);
3599 m_client->timeout(m_target_idletime); // mark it active even
3600 recv_GDU_more(true);
3601 // though we didn't use it
3605 // delete other info construct completely if 0 elements
3606 Z_OtherInformation **oi;
3607 get_otherInfoAPDU(apdu, &oi);
3608 if (oi && *oi && (*oi)->num_elements == 0)
3611 if (apdu->which == Z_APDU_presentRequest &&
3612 m_client->m_resultSetStartPoint == 0)
3614 Z_PresentRequest *pr = apdu->u.presentRequest;
3615 m_client->m_resultSetStartPoint = *pr->resultSetStartPoint;
3616 m_client->m_cache.copy_presentRequest(apdu->u.presentRequest);
3618 m_client->m_resultSetStartPoint = 0;
3620 if (m_client->send_to_target(apdu) < 0)
3622 m_client->shutdown();
3625 m_client->m_waiting = 1;
3628 void Yaz_Proxy::connectNotify()
3632 void Yaz_Proxy::releaseClient()
3634 xfree(m_proxyTarget);
3636 m_flag_invalid_session = 0;
3637 // only keep if keep_alive flag is set...
3639 m_client->m_pdu_recv < m_keepalive_limit_pdu &&
3640 m_client->m_bytes_recv+m_client->m_bytes_sent < m_keepalive_limit_bw &&
3641 m_client->m_waiting == 0)
3643 yaz_log(YLOG_LOG, "%sShutdown (client to proxy) keepalive %s",
3645 m_client->get_hostname());
3646 yaz_log(YLOG_LOG, "%sbw=%d pdu=%d limit-bw=%d limit-pdu=%d",
3647 m_session_str, m_client->m_pdu_recv,
3648 m_client->m_bytes_sent + m_client->m_bytes_recv,
3649 m_keepalive_limit_bw, m_keepalive_limit_pdu);
3650 assert (m_client->m_waiting != 2);
3651 // Tell client (if any) that no server connection is there..
3652 m_client->m_server = 0;
3657 yaz_log(YLOG_LOG, "%sShutdown (client to proxy) close %s",
3659 m_client->get_hostname());
3660 assert (m_client->m_waiting != 2);
3666 yaz_log(YLOG_LOG, "%sshutdown (client to proxy) bad state",
3672 yaz_log(YLOG_LOG, "%sShutdown (client to proxy)",
3676 m_parent->pre_init();
3679 bool Yaz_Proxy::dec_ref()
3681 m_http_keepalive = 0;
3684 if (m_ref_count > 0)
3693 const char *Yaz_ProxyClient::get_session_str()
3697 return m_server->get_session_str();
3700 void Yaz_ProxyClient::shutdown()
3702 yaz_log(YLOG_LOG, "%sShutdown (proxy to target) %s", get_session_str(),
3707 m_waiting = 1; // ensure it's released from Yaz_Proxy::releaseClient
3708 m_server->dec_ref();
3714 void Yaz_Proxy::failNotify()
3717 yaz_log(YLOG_LOG, "%sConnection closed by client", get_session_str());
3721 void Yaz_Proxy::send_response_fail_client(const char *addr)
3725 Z_SRW_diagnostic *diagnostic = 0;
3726 int num_diagnostic = 0;
3728 yaz_add_srw_diagnostic(odr_encode(),
3729 &diagnostic, &num_diagnostic,
3730 YAZ_SRW_SYSTEM_TEMPORARILY_UNAVAILABLE, addr);
3731 if (m_s2z_search_apdu)
3732 send_srw_search_response(diagnostic, num_diagnostic);
3733 else if (m_s2z_scan_apdu)
3734 send_srw_scan_response(diagnostic, num_diagnostic);
3736 send_srw_explain_response(diagnostic, num_diagnostic);
3740 void Yaz_ProxyClient::failNotify()
3743 m_server->inc_request_no();
3744 yaz_log(YLOG_LOG, "%sConnection closed by target %s",
3745 get_session_str(), get_hostname());
3748 m_server->send_response_fail_client(get_hostname());
3752 void Yaz_ProxyClient::connectNotify()
3754 const char *s = get_session_str();
3755 const char *h = get_hostname();
3756 yaz_log(YLOG_LOG, "%sConnection accepted by %s timeout=%d", s, h,
3758 timeout(m_target_idletime);
3763 IPDU_Observer *Yaz_ProxyClient::sessionNotify(IPDU_Observable
3764 *the_PDU_Observable, int fd)
3766 return new Yaz_ProxyClient(the_PDU_Observable, 0);
3769 Yaz_ProxyClient::~Yaz_ProxyClient()
3774 m_next->m_prev = m_prev;
3775 m_waiting = 2; // for debugging purposes only.
3776 odr_destroy(m_init_odr);
3777 odr_destroy(m_idAuthentication_odr);
3778 delete m_last_query;
3779 xfree(m_last_resultSetId);
3783 void Yaz_ProxyClient::pre_init_client()
3785 Z_APDU *apdu = create_Z_PDU(Z_APDU_initRequest);
3786 Z_InitRequest *req = apdu->u.initRequest;
3789 for (i = 0; i<= 24; i++)
3790 ODR_MASK_SET(req->options, i);
3791 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3792 Z_Options_negotiationModel);
3793 ODR_MASK_CLEAR(apdu->u.initRequest->options,
3794 Z_Options_concurrentOperations);
3795 for (i = 0; i<= 10; i++)
3796 ODR_MASK_SET(req->protocolVersion, i);
3798 if (send_to_target(apdu) < 0)
3809 void Yaz_Proxy::pre_init()
3812 const char *name = 0;
3813 const char *zurl_in_use[MAX_ZURL_PLEX];
3814 int limit_bw, limit_pdu, limit_req, limit_search;
3815 int target_idletime, client_idletime;
3816 int max_sockets = m_max_sockets;
3818 int keepalive_limit_bw, keepalive_limit_pdu;
3820 const char *cql2rpn = 0;
3821 const char *authentication = 0;
3822 const char *negotiation_charset = 0;
3823 const char *negotiation_lang = 0;
3825 Yaz_ProxyConfig *cfg = check_reconfigure();
3829 if (m_log_mask & PROXY_LOG_APDU_CLIENT)
3834 for (i = 0; cfg && cfg->get_target_no(i, &name, zurl_in_use,
3835 &limit_bw, &limit_pdu, &limit_req,
3837 &target_idletime, &client_idletime,
3840 &keepalive_limit_bw,
3841 &keepalive_limit_pdu,
3845 &negotiation_charset,
3853 for (j = 0; zurl_in_use[j]; j++)
3857 int spare_waiting = 0;
3860 for (c = m_clientPool; c; c = c->m_next)
3862 if (!strcmp(zurl_in_use[j], c->get_hostname()))
3864 if (c->m_cookie == 0)
3866 if (c->m_server == 0)
3878 yaz_log(YLOG_LOG, "%spre-init %s %s use=%d other=%d spare=%d "
3879 "sparew=%d preinit=%d",m_session_str,
3880 name, zurl_in_use[j], in_use, other,
3881 spare, spare_waiting, pre_init);
3882 if (spare + spare_waiting < pre_init
3883 && in_use + spare + spare_waiting + other < max_sockets)
3885 c = new Yaz_ProxyClient(m_PDU_Observable->clone(), this);
3886 c->m_next = m_clientPool;
3888 c->m_next->m_prev = &c->m_next;
3890 c->m_prev = &m_clientPool;
3892 if (m_log_mask & PROXY_LOG_APDU_SERVER)
3893 c->set_APDU_yazlog(1);
3895 c->set_APDU_yazlog(0);
3897 if (c->client(zurl_in_use[j]))
3905 c->m_target_idletime = target_idletime;
3906 c->m_seqno = m_seqno++;
3913 void Yaz_Proxy::timeoutNotify()
3918 switch(m_timeout_mode)
3920 case timeout_normal:
3924 yaz_log(YLOG_LOG, "%sTimeout (client to proxy)", m_session_str);
3927 case timeout_reduce:
3928 timeout(m_client_idletime);
3929 m_timeout_mode = timeout_busy;
3930 gdu = m_timeout_gdu;
3932 recv_GDU_normal(gdu);
3935 assert(m_stylesheet_nprl);
3936 convert_xsl_delay();
3937 recv_GDU_more(true);
3947 void Yaz_Proxy::markInvalid()
3950 m_flag_invalid_session = 1;
3953 void Yaz_ProxyClient::timeoutNotify()
3956 m_server->inc_request_no();
3958 yaz_log(YLOG_LOG, "%sTimeout (proxy to target) %s", get_session_str(),
3962 m_server->send_response_fail_client(get_hostname());
3964 Yaz_Proxy *proxy_root = m_root;
3968 proxy_root->pre_init();
3971 Yaz_ProxyClient::Yaz_ProxyClient(IPDU_Observable *the_PDU_Observable,
3972 Yaz_Proxy *parent) :
3973 Z_Assoc (the_PDU_Observable)
3980 m_last_resultSetId = 0;
3981 m_last_resultCount = 0;
3985 m_init_odr = odr_createmem (ODR_DECODE);
3987 m_initResponse_options = 0;
3988 m_initResponse_version = 0;
3989 m_initResponse_preferredMessageSize = 0;
3990 m_initResponse_maximumRecordSize = 0;
3991 m_resultSetStartPoint = 0;
3992 m_bytes_sent = m_bytes_recv = 0;
3996 m_target_idletime = 600;
3998 m_idAuthentication_odr = odr_createmem(ODR_ENCODE);
3999 m_idAuthentication_ber_buf = 0;
4000 m_idAuthentication_ber_size = 0;
4003 const char *Yaz_Proxy::option(const char *name, const char *value)
4005 if (!strcmp (name, "optimize")) {
4008 m_optimize = xstrdup(value);
4015 void Yaz_ProxyClient::recv_HTTP_response(Z_HTTP_Response *apdu, int len)
4020 void Yaz_ProxyClient::recv_GDU(Z_GDU *apdu, int len)
4022 if (apdu->which == Z_GDU_Z3950)
4023 recv_Z_PDU(apdu->u.z3950, len);
4024 else if (apdu->which == Z_GDU_HTTP_Response)
4025 recv_HTTP_response(apdu->u.HTTP_Response, len);
4030 int Yaz_Proxy::handle_init_response_for_invalid_session(Z_APDU *apdu)
4032 if (!m_flag_invalid_session)
4034 m_flag_invalid_session = 0;
4035 handle_incoming_Z_PDU(m_apdu_invalid_session);
4036 assert (m_mem_invalid_session);
4037 nmem_destroy(m_mem_invalid_session);
4038 m_mem_invalid_session = 0;
4042 void Yaz_ProxyClient::recv_Z_PDU(Z_APDU *apdu, int len)
4044 m_bytes_recv += len;
4048 if (m_root->get_log_mask() & PROXY_LOG_REQ_SERVER)
4049 yaz_log(YLOG_LOG, "%sReceiving %s from %s %d bytes", get_session_str(),
4050 apdu_name(apdu), get_hostname(), len);
4051 if (apdu->which == Z_APDU_initResponse)
4053 if (!m_server) // if this is a pre init session , check for more
4055 NMEM nmem = odr_extract_mem (odr_decode());
4056 odr_reset (m_init_odr);
4057 nmem_transfer (m_init_odr->mem, nmem);
4058 m_initResponse = apdu;
4059 m_initResponse_options = apdu->u.initResponse->options;
4060 m_initResponse_version = apdu->u.initResponse->protocolVersion;
4061 m_initResponse_preferredMessageSize =
4062 *apdu->u.initResponse->preferredMessageSize;
4063 m_initResponse_maximumRecordSize =
4064 *apdu->u.initResponse->maximumRecordSize;
4066 Z_InitResponse *ir = apdu->u.initResponse;
4068 // apply YAZ Proxy version
4069 char *imv0 = ir->implementationVersion;
4070 char *imv1 = (char*)
4071 odr_malloc(m_init_odr, 20 + (imv0 ? strlen(imv0) : 0));
4076 strcat(imv1, "/" VERSION);
4078 ir->implementationVersion = imv1;
4080 // apply YAZ Proxy implementation name
4081 char *im0 = ir->implementationName;
4083 odr_malloc(m_init_odr, 20 + (im0 ? strlen(im0) : 0));
4090 strcat(im1, "(YAZ Proxy)");
4091 ir->implementationName = im1;
4093 nmem_destroy (nmem);
4095 if (m_server && m_server->handle_init_response_for_invalid_session(apdu))
4098 if (apdu->which == Z_APDU_searchResponse)
4100 Z_SearchResponse *sr = apdu->u.searchResponse;
4101 m_last_resultCount = *sr->resultCount;
4102 int status = *sr->searchStatus;
4103 if (status && (!sr->records || sr->records->which == Z_Records_DBOSD))
4107 if (sr->records && sr->records->which == Z_Records_DBOSD)
4109 m_cache.add(odr_decode(),
4110 sr->records->u.databaseOrSurDiagnostics, 1,
4115 if (apdu->which == Z_APDU_presentResponse)
4117 Z_PresentResponse *pr = apdu->u.presentResponse;
4121 Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
4122 Z_SearchResponse *sr = new_apdu->u.searchResponse;
4123 sr->referenceId = pr->referenceId;
4124 *sr->resultCount = m_last_resultCount;
4125 sr->records = pr->records;
4126 sr->nextResultSetPosition = pr->nextResultSetPosition;
4127 sr->numberOfRecordsReturned = pr->numberOfRecordsReturned;
4131 pr->records->which == Z_Records_DBOSD && m_resultSetStartPoint)
4133 m_cache.add(odr_decode(),
4134 pr->records->u.databaseOrSurDiagnostics,
4135 m_resultSetStartPoint, -1);
4136 m_resultSetStartPoint = 0;
4140 set_otherInformationString(apdu, yaz_oid_userinfo_cookie, 1, m_cookie);
4142 Yaz_Proxy *server = m_server; // save it. send_to_client may destroy us
4145 server->send_to_client(apdu);
4146 if (apdu->which == Z_APDU_close)
4149 server->recv_GDU_more(true);
4152 void Yaz_Proxy::low_socket_close()
4157 for (i = 0; i<NO_SPARE_SOLARIS_FD; i++)
4158 if (m_lo_fd[i] >= 0)
4159 ::close(m_lo_fd[i]);
4163 void Yaz_Proxy::low_socket_open()
4168 for (i = 0; i<NO_SPARE_SOLARIS_FD; i++)
4169 m_lo_fd[i] = open("/dev/null", O_RDONLY);
4173 int Yaz_Proxy::server(const char *addr)
4175 int r = Z_Assoc::server(addr);
4178 yaz_log(YLOG_LOG, "%sStarted proxy "
4182 " on %s", m_session_str, addr);
4188 void Yaz_Proxy::base64_decode(const char *base64, char *buf, int buf_len)
4190 const char *base64_chars =
4191 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
4192 int len = strlen(base64);
4196 for (int pos = 0; pos <= len; pos++)
4198 if (base64[pos] == '=' || buf_pos + 1 >= buf_len)
4201 const char *ch_ptr = strchr(base64_chars, base64[pos]);
4204 char ch = (char) (ch_ptr - base64_chars);
4208 buf[buf_pos] = ch << 2;
4211 buf[buf_pos++] += (ch & 0x30) >> 4;
4212 buf[buf_pos] = (ch & 0x0f) << 4;
4215 buf[buf_pos++] += (ch & 0x3c) >> 2;
4216 buf[buf_pos] = (ch & 0x03) << 6;
4219 buf[buf_pos++] += ch;
4226 buf[buf_pos] = '\0';
4232 * c-file-style: "Stroustrup"
4233 * indent-tabs-mode: nil
4235 * vim: shiftwidth=4 tabstop=8 expandtab