1 Possible compatibility problems with earlier versions marked with '*'.
3 SSL comstack now uses yaz.pem certificate file on server side
4 by default. Certificate filename can be configured by calling
5 comstack function cs_set_ssl_cert before cs_bind is used.
7 Fix bug regarding multiple calls to ZOOM_connection_connect.
9 Implement cs_set_ssl_ctx which sets SSL_CTX for SSL comstack.
11 Do not create SSL_CTX in cs_create (ssl_type). Create in tcpip_bind,
12 tcpip_rcvconnect instead. This allows user to set custom SSL_CTX.
14 ZOOM now allows inspection of X509 peer certificate for verification.
15 The X509 buffer is retrived by reading ZOOM option "sslPeerCert".
17 Removed libyazssl.la. When SSL is enabled, libyaz.la has SSL support and
18 all programs have too (yaz-ztest, yaz-client, zoom..). May not be
19 as "modular" but it simplifies things.
21 Added cs_get_peer_certificate to that returns peer X509 PEM.
23 Added cs_get_ssl that returns SSL handle (SSL *) for SSL comstack; returns
24 NULL if SSL is unavailable.
26 Documentation about MARC decoding tools.
28 Fix --disable-tcpd to really disable tcpd. Patch by Robin H. Johnson.
32 Rename CHANGELOG to NEWS to follow GNU style packing.
34 Fix bug with missing initialization of member in init_diagnostics.
35 This bug affects threaded version of GFS server.
39 Use wrbuf_xmlputs_n instead of wrbuf_write_cdata to avoid clash with
42 Ensure zlib.dll is packed with Windows install.
46 Fix encoding of xsd:string to use text instead of CDATA.
48 Fix endless loop in CQL parser with unbalanced ".
50 Use a more compact way to store MARC-8 conversion tables.
52 --- 2.0.16 2004/03/16 Debian only
54 Oleg Kolobov Fixed a bug in yaz_iconv regarding conversion to
57 Update CQL parser to use new CQL 1.1 modifiers for booleans and
64 Another fix for decoding of XML packed records.
68 Fixes for Chunked encoding. White space not ignored after length spec.
70 Update NS and use default NS for SRW diagnostic elements.
74 Implement ZOOM_resultset_cache_reset which resets record cache.
76 Implement ZOOM_resultset_sort which sorts a result set.
78 Implement chunked HTTP transfer.
80 For SSL, use -lssl -lcrypto on systems that don't have pkg-config.
84 Added member 'schema' to bend_explain_rr structure so that backend
85 can specify explain record identifier. Defaults to Zeerex 2.0.
87 Fix encoding of OID's of form 1.0.X. Bug introduced in 2.0.11.
91 * SRW/SRU 1.1 updates: updated diagnostic in srw.h to use uri instead
94 Added init command for yaz-client which sends "extra" init request.
96 Fixed two bugs in OID codec - ber_oidc. Throw error when encoding/decoding
97 bad truncated OID. Fix decoding of OID X.Y... when X=2 and Y>39.
99 Fixed a bug in ASN.1 compiler that caused Type-1 Operator codec to fail.
101 Make ZOOM error code for "invalid query".
103 Fixed compilation for SSL which wasn't properly enabled for all platforms.
105 --- 2.0.10 2004/02/05
107 For yaz.m4, allow second argument for YAZ_INIT to hold minimal version of
110 * SRW/SRU 1.1 updates. Diagnostic code now a URI.
112 Added option -p <file> to make Generic Frontend Server to write PID file.
114 Added option -D to put Generic Frontend Server in background on its own.
116 Make ZOOM C recognize option "password". If unset, "pass" is used
117 (for backwards compatibility).
119 Fixed a bug in Generic Frontend Server that could make it crash if a
120 client sets characterSetNegotation bit, but didn't pass negotiation stuff
123 New YAZ client command, zversion, that sets Z39.50 version (1,2,3..).
124 Must be issued before open, in order to be in effect.
126 --- 2.0.9-6 2004/01/12 Debian/Windows
128 Make the SRU server more picky WRT unknown params, etc.
130 Bug fix: ZOOM scan response didn't return displayTerm - when present.
132 New YAZ client command, options, that sets Z39.50 options.
134 New utility functions yaz_init_opt_{encode,decode} to encode/decode Z39.50
135 options from a string of tokens (one token for each option bit).
137 Update SRW diagnostic code messages.
139 --- 2.0.9-5 2004/01/07 Debian/Windows
141 Handle user defined stylesheet for SRW/SRU.
143 --- 2.0.9-4 2004/01/06 Debian/Windows
145 Fix bug in decoding of Content-Length.
147 --- 2.0.9-3 2004/01/06 Debian/Windows
149 Fix a bug with decoding of XML packed records.
151 --- 2.0.9-2 2004/01/05 Debian only
153 Allow empty ODR (NMEM=0) for odr_oiddup and odr_getoidbystr.
155 Fix bug in SRW/SRU diagnostics decoding.
159 Fixed bug in Generic Frontend Server which could drop records exceeding
160 preferred message size. Reported and fixed by Irina Dijour.
162 Fixed calculation of package size for structured records in Generic
163 Frontend Server. Reported and fixed by Irina Dijour.
165 Fixed namespace for SRW/SRU diagnostics.
167 Fixed SEGV in yaz-client that occured for HTTP connection errors.
171 * SRW/SRU 1.1. Since the Namespace has changed for SRW/SRU, it means that
172 this version is incompatible with version 1.0 and older YAZ SRW/SRU
175 CQL changes to reflect recent changes to the specification:
176 * Documentation talks about context sets instead of index sets.
177 * Documentation talks about indexes instead of qualifiers.
178 * The CQL-to-PQF transformer's configuration file now uses
179 "index.set.name = <attributes>" instead of the old form
180 "qualifier.set.name = <attributes>". (Both forms are still
181 understood but the latter is deprecated.)
182 * CQL terms with no explicit index specified are now interpreted as
183 cql.serverChoice instead of srw.serverChoice (which of course
184 behaves exactly the same.)
188 MARC conversion can now generate ISO2709 output in another
189 character set. yaz-marcdump uses this facility if you invoke it
192 Added missing C decl macros for include/yaz/{soap.h,srw.h,cql.h}, so that
193 functions from there can be used from C++.
197 Frontend server now transfers memory from decoded packages to stream
200 NMEM now clears freed blocks with 'Y' (hex 59) to force bad memory
201 references to show up.
203 ZOOM-C now supports standard ZOOM option names as described in v1.4 of
204 the ZOOM Abstract API. The older names for the same options are still
205 also supported for the benefit of old applications.
207 ZOOM-C supports "implementationId" and "implementationVersion" options
208 to go along with "implementationName". These allow the user code to
209 specify identification strings to be sent to servers.
210 Add OID for the new ExtLite attribute set.
212 Add OIDs for NACSIS-CATP, FINMARC2000 and MARC21-fin record-syntaxes,
213 as requested/supplid by Ere Maijala <ere@atp.fi>
215 For generic frontend server, reverse the order of
216 "toolkit-supplied / application-supplied" strings sent as implementationId,
217 Name and Version. Also, remove the spaces around the slash. This brings
218 the GFS in line with the behaviour of ZOOM-C on the client side.
220 Add function ZOOM_scanset_display_term.
222 yaz-client shows scan displayTerm if present.
224 Utility yaz-iconv is now installed by default along with the man page
227 Extend configure check for OpenSSL to use pkg-config where available (such
230 Incorporate patch by Morten Bogeskov which allows a Unix file socket
231 server to specify uid/gid/mask for socket using the format
232 unix:[user=uid,][group=gid,][umask=mask,]file=path
233 If file= is omitted the existing format is assumed, e.g.
235 in which case the mask is 0666 (rw for everybody).
237 Major restructure of YAZ source. All source in libyaz is in src directory.
238 Programs in client (yaz-client), ztest (yaz-ztest), zoom (zoom programs),
239 util (utility programs such as ASN.1 compiler, yaz-marcdump).
241 Added man page for utility yaz-marcdump (used to be called marcdump).
242 yaz-marcdump is installed by 'make install'.
244 Fixed a memory leak in Generic Frontend Server that occurred when decoding
245 of incoming package failed.
247 Fixed a potential DOS attack vulnerability in COMSTACK/ODR.
249 Change prototype of odr_perror: add const to message string.
251 New function yaz_log_reopen which reopens log file (for log rotate, etc.)
253 * Blocking parameter for COMSTACK cs_create is now a bit mask rather
254 than a blocking flag. Bit 0 is set for blocking, reset for non-blocking.
255 Bit 1 is set if cs_addrstr should avoid DNS lookup; reset for full
256 DNS lookup. There should not be any compatibility problems with this
257 assuming that blocking=1 or 0 is used.
259 Fix bad reference in UNIX comstack in function cs_addrstr.
261 Fix for compilation on AIX.
263 The generic front-end server (server/seshigh.c) now supports returning
264 Init diagnostics to the client in User-information-field, in
265 accordance with Z35.90 Implementor Agreement 5 (Returning diagnostics
270 Allow any CQL relation (not just all,any,exact,scr).
272 Fixes for OCLC UI ASN.1 to make it work with SilverPlatter targets
273 that features the same UI.
275 Implemented command update0 in YAZ client which is equivalent to
276 update but uses old of Ext Update ASN.1.
278 Use OID 1.2.840.10003.15.1000.81.1 for privately defined charsets
279 in charset negotiation. Added VAL_ID_CHARSET in oid.h.
280 Previously no OID was used for this info.
282 ZOOM uses smallSetUpperBound=1 instead of 0 for piggyback searches.
283 It apparantely upsets EBSCO Publishing IR Z39.50 Server which
284 returns 'malformed search term' otherwise.
286 SortResponse member resultCount now set to NULL in sort handler of
289 OPAC support ZOOM. ZOOM_record_get returns OPAC info (as XML) if
292 Add three new utility functions for translating OIDs between various
293 formats -- symbolic name such as "Usmarc", minus-1-terminated int
294 arrays and dotted strings such as "1.2.840.10003.9.5.1":
295 int *oid_name_to_oid(oid_class oclass, const char *name, int *oid);
296 char *oid_to_dotstring(const int *oid, char *oidbuf);
297 char *oid_name_to_dotstring(oid_class oclass, const char *name, char *oidbuf);
299 Reverted modifications for ES Update definition for z_IU0Update
300 (OID 1.2.840.10003.9.5.1 and 1.2.840.10003.9.5). The definition
301 is back to YAZ 2.0.2.
303 String value attributes for CCL parser.
305 Support for OCLC's locally registered "OCLC-UserInformation" PDU,
306 which their FirstSearch server returns in Init responses, sometimes
307 carrying useful diagnostic information when Init fails. This has the
308 OID 1.2.840.10003.10.1000.17.1 and is defined in the file
309 "z39.50/oclcui.asn", where its definition is somewhat different from
310 what OCLC document on their web-site, as required to interoperate with
313 Support for anonymous authentication in yaz-client. Use the command
316 * Fix the OID of the Index Data-local "admin" Extended Service from
317 1.2.840.10003.9.81.1 to 1.2.840.10003.9.1000.81.1. The omission of
318 the 1000, which indicates a locally-defined OID, was a mistake.
322 Fix CCL directive @case handling so that it affects string match for
323 both CCL keywords and qualifiers.
325 * ESFormat-Update updates. Packages with OID 1.2.840.10003.9.5.1 and
326 1.2.840.10003.9.5 are now handled by the same decoder z_IU0Update .
327 Decoder has been updated with ASN.1 changes as listed in
328 http://lcweb.loc.gov/z3950/agency/defns/updateES.html
329 Note that the "latest" DB Update, OID 1.2.840.10003.9.5.1.1 , handler
330 z_IUUpdate, remains unchanged.
332 ZOOM_record_get may now return a record in a specific character set.
333 For type use "form; charset=from[,to]" where form (render, xml, ..) ,
334 "from" is the character set of record as returned by target. "to" is
335 the character set to be returned. If omitted, "to" is UTF-8.
337 YAZ ASN.1 compiler renamed from yaz-comp to yaz-asncomp
339 New ODR utility, odr_getelement, which returns name of element for
340 which encoding/decoding failed.
342 Fixed ODR so that it returns error code OREQUIRED rather than ONONE
343 in cases where a required element was omitted.
345 Bug fix: some MARC8 sequences were not converted.
347 New ZOOM option "step" which specifies number of records to be
348 retrieved in one chunk. Used in conjunction with "start" and "count".
350 SRW support for yaz-client. Use scheme http: to use it, e.g.
353 yaz-client no longer does (un)intelligent character set conversions
354 by default. Can be enabled with charset and marc_charset commands.
356 xmalloc trace fix for 64-bit systems such as DEC alpha.
358 Solaris 2.6 compile fix.
360 New function, cql_strerror() translates SRW error codes, as returned
361 by cql_transform_error(), into human-readable English strings. Used
362 in yaz-client diagnostics when appropriate.
364 New CQL2RPN query-type for the command-line yaz-client, parses CQL and
365 converts it into a type-1 query which is sent to the server. This
366 makes CQL available for use with all Z-servers, as opposed to the tiny
367 minority that can handle CQL queries themselves.
371 New Debian package layout similar to the Redhat Package layout.
373 New ZOOM events ZOOM_EVENT_RECV_{RECORD,SEARCH} for receiving a record
374 and search result respectively.
378 Redhat package is now several packages: libyaz (runtime libraries),
379 libyaz-devel (development and documentation, and yaz (utility programs).
380 Package spec file by Morten Bøgeskov.
382 New member 'schema' in struct bend_fetch_rr which the name of requested
383 schema (SRW/SRU) for record (or NULL if none was given). The fetch
384 handler MAY set this to reflect the schema of the returned record.
386 New member 'display_term' in struct scan_entry. GFS now sets member entries
387 and allocates scan entries to be filled by user scan handler. In previous
388 version, entries member was allocated by the scan handler. That still works,
389 but the GFS will ignore member display_term - assuming it was NOT set by
390 the handler. The fact that the GFS now allocates the entries both allows
391 for new members and makes a scan handler easier to write.
393 Fix CQL lex buffer overflow.
395 SRW/SRU recordPacking. For SRW default recordPacking is string. For
396 SRU default recordPacking is string.
398 SRU protocol support for frontend server.
400 Fix compile bug for systems that have nl_langinfo but CODESET undefined.
402 Added missing PQF transform rules for <= and >= . Thanks to Peter Popovics.
404 Added scan for the ZOOM shell (zoomsh).
408 * String Identifers for Schemas (Amendment 5).
409 http://lcweb.loc.gov/z3950/agency/amend/am5.html
410 Old definition for schema
411 Odr_oid *schema; /* OPT */
416 Z_InternationalString *uri;
417 #define Z_Schema_oid 1
418 #define Z_Schema_uri 2
421 * resultCount parameter to Sort Response (Amendment 1).
422 http://lcweb.loc.gov/z3950/agency/amend/am1.html
424 Support for SRW 1.0 over HTTP. This is an optional feature and
425 requires libxml2 to operate. Enable SOAP by specifying --with-xml2
428 Generic frontend server supports HTTP/SOAP/SRW and Z39.50/BER
429 on the same port. SRW SearchRetrieveRequests are mapped
430 to bend_init,bend_search,bend_fetch,bend_close.
432 Z39.50 Query Type-104 added - to facilitate CQL within Z39.50.
434 CQL support. Source is directory 'cql'. CQL is supported in ZOOM
435 (both SRW and Z39.50) and the YAZ client (Z39.50 only).
437 ZOOM connections are SRW based if schem http is used for hostname
438 in connect, e.g. z = ZOOM_connection_new("http://myserver");
439 ZOOM_query may be of type CQL, e.g. ZOOM_query_cql(q, "dc.title=x");
441 CCL proximity operators !n, %n converts to PQF @prox 0 n 1 2 k 2
442 and @prox 0 n 0 1 k 2 respectively, meaning: exlusion=false,
443 distance=n, order=true/false, relation=le, prox unit=word. If
444 n is omitted, distance 1 is used.
446 Fixed problem with C compiler include path in wrong order.
448 For TCP/IP COMSTACK, set recv buffer to an appropriate "large" value
449 on Solaris. Patch from Ko van der Sloot.
451 New MARC decode API. All new functions operate on a yaz_marc_t
452 handle. The most important new functions are: yaz_marc_create,
453 yaz_marc_decode_{buf,wrbuf}, yaz_marc_destroy, .. to create handler,
454 decode and destroy respectively. Decoder can produce formats
455 MARC line, simple XML, OAI MARC and MARC XML (LoC). See
456 include/yaz/marcdisp.h.
458 YAZ Iconv utility now supports MARC8 decoding (marc8.c). Converts
459 to UTF-8, UCS-32, wchar_t or Latin-1.
461 * Prototypes for yaz_iconv_-functions moved to separate header
462 include/yaz/yaz-iconv.h.
464 Make a few private functions 'static' in unix.c. This prevents
465 duplicate unix_close in PHP with YAZ and imap. PHP Bug 20977.
467 For ZOOM connection, the options targetImplementation{Id,Name,Version}
468 are set when Init Response is received.
470 New function ZOOM_connection_error_x similar to ZOOM_connection_error
471 but returns diagnostic set as well.
473 New function yaz_strerror which is a portable wrapper for
474 strerror/strerror_r/GetLastMessage.
476 * ZOOM_record_get supports type "xml" in which case MARC XML (from LOC)
477 is returned for MARC. If type is "oai", then OAI MARC is returned.
479 Fix creation of lib/yaz-config so it works if srcdir != objdir. Patch
484 yaz_marc_decode uses OAI MARC as XML format for ISO2709 records.
486 Fix bad race conditions on SIGTERM and terminate gracefully in
489 Move retrieval (data1) module to Zebra since nobody seems to be
492 Add GRS-1 render for ZOOM using same format as yaz-client.
496 Added man pages: yaz-client(1), yaz-ztest(8), yaz(7), zoomsh(1).
498 Fix broken ESpec handling in data1 module.
500 SGML reader parses comments and makes them part of the data1 tree.
502 Added several type casts so that YAZ compiles as C++ code.
504 ZOOM didn't handle PDU encoding failures properly.
506 Added more Bib-1 diagnostics (approved extensions).
508 GNU configure: better check for iconv.
510 More portable use of accept, getpeername. Check for socklen_t. Use
511 int/size_t if socklen_t is not defined.
515 PQF parser rejects bad queries - including those with extra
516 characters in them. PQF parser used to silently ignore that.
517 Cleaner API for PQF added, which allows you to get detailed
518 error information for bad queries (see yaz/pquery.h).
520 Fixed bug in ZOOM_record_get for type "database".
522 Implemented mini iconv library supporting conversions between
523 UTF-8, UCS4, UCS4LE and ISO-8859-1. Implemented in util/siconv.c.
525 * Removed XML reader (d1_expat.c). It's part of Zebra instead.
529 Fixed ZOOM C record cache so that preferredRecordSyntax and
530 elementSetName is used to check for already fetched records.
534 Added three members in bend_initrequest structure to facilitate
535 character set negotiation.
537 Fixed a bug in frontend server that could cause indefinite
538 loops under rare conditions.
540 Revised character set utilities (charneg.h) so that encoding
541 UCS-4, UCSA-4, UTF-16 and UTF-8 are encoded non-privately.
543 For PQF, directive @term <type> sets term type for Scan/Search.
544 Here <type> is general, string, numeric, null. The term type
545 is inherited - just like @attr.
547 New call odr_set_charset that sets character set conversion for
548 international-strings on a ODR stream. Prototype is:
549 int odr_set_charset(ODR o, const char *to, const char *from);
550 The InternationalString is still represented as C string in YAZ
551 so native strings of type UTF-8, ASCII, etc. will work (UTF-16
552 won't). On the protocol level, you can use any encoding.
554 Support for UNIX sockets in ZOOM.
556 Solaris recv sometimes returns errno == ENOENT. It is treated as
557 EINPROGRESS. COMSTACK patch by Ko van der Sloot.
559 New COMSTACK of type UNIX Socket. Use "unix:/path" as address for
560 both client and server. Code by Morten Bøgeskov.
564 On Windows ZOOM functions are of type __stdcall rather than __cdecl, so
565 that they can be used directly from Visual Basic. You must recompile
566 your windows APP if you're using ZOOM.
568 Character Set and Language Negotiation(3) for ZOOM API and YAZ client.
569 Commands "lang" and "charset" sets language and character set respectively.
570 Options "lang" and "charset" is interpreted by the ZOOM API. Note, these
571 are not part of the official ZOOM spec) All is due to Oleg Kolobov.
573 Attributes from multiple CCL fields may be OR'ed rather than merged
574 using directive "@field or". Fields are still merged by default -
575 equivalent to "@field merge".
577 Fixed bug in ZOOM connect that occurred on OpenBSD (maybe others). Patch
580 Fixed bug in zget for parameter ExtendedServicesResponse.
586 Added PQF feature: '@attr type=value' may be written as '@type=value'.
588 Client displays USR.1:SearchResult-1 (hits per term).
590 Additional Search Info for search in Generic Frontend Server.
592 Fixed CCL parsing of "field=s".
594 WIN32 installer - using the excellent NSIS software from nullsoft.
596 Fixed CCL parsing of "field = - <number>".
598 Added function yaz_marc_decode that decodes MARC for line mode
599 display or XML (similar to that used by JZKit).
601 Fixed BER decoding of OPTIONAL CHOICE. The bug didn't affect the
602 Z39.50. But ISO/ILL was, however.
604 Added patch by Rustam T. Usmanov that implements Z39.50 duplicate
605 detection service (Z39.50-1995 Amendment 2) and Language Negotiation (3).
607 http://lcweb.loc.gov/z3950/agency/amend/am2.html
608 http://lcweb.loc.gov/z3950/agency/defns/charneg-3.html
612 New YAZ client features: Command completion and new commands:
613 push_command, set_apdufile, set_marcdump, set_cclfields, register_oid.
614 Code provided by Jacob Poulsen.
616 New call oid_trav, that visits all registered OIDs via callback.
618 Function ZOOM_record_get now returns const char pointer rather than
619 void pointer. It saves a lot of type casts.
621 For YAZ client, command "auth" now allows you to set authentication
622 in IdPass style. It is enabled when three tokens are given - order
623 is user, group and password.
625 Fix memory leaks in MARC record handling for ZOOM.
627 New option for YAZ client, -k <kilobytes> that sets
628 maximum record size. Similar to -k option for generic frontend
629 server and yaz-ztest.
631 More fixes for scan. Non-zero stepSize handled. OID's fixes.
633 Prefix query parser reports "fail" when bad attribute set is given.
635 Fix in MARC decoder. Proximity logging. Fix for attribute set
636 in scan handler for server. Patches by Shigeru Ishida.
638 SSL/COMSTACK updates. cs_rcvconnect completes SSL handshake. ZOOM
641 Configure option --with-openssl=<dir> now works when a directory is
642 specified. Patch provided by Morten Bøgeskov.
644 New option for YAZ client, -u <auth>, that sets authentication.
646 ZOOM fix: error information was sometimes "missing", since error
647 was cleared/reset too when it shouldn't.
649 ZOOM_record_get returns ISO2709 buffer when "raw" is given.
653 Scan for ZOOM API. New object ZOOM_scanset. New functions
654 ZOOM_connection_scan, ZOOM_scanset_size, ZOOM_scanset_term and
655 ZOOM_scanset_destroy.
657 New ZOOM function, ZOOM_connection_last_event, that returns type
658 of last event (such as "receive data", "send data", "apdu received",
661 New ZOOM option, schema, that specifies schema for retrieval.
663 New CCL feature. Qualifiers can be aliases for one or more
664 other qualifiers (if more than one is given, OR is used).
666 ZOOM uses named result sets if target supports it.
668 Two new YAZ client commands: . (dot, which sources a script of YAZ
669 client commands), and ! (to execute shell command.). Implemented
672 Working on Debian packages.
676 YAZ client enables named result sets only if target supports it.
678 *** ZOOM. Prefix for ZOOM definitions changed from Z3950_ to ZOOM_.
680 * ZOOM. Removed Z3950_connection_host. Use Z3950_connection_option_get
681 with key="host" to get same result.
683 * ZOOM. Added Z3950_record_clone and removed Z3950_resultset_get.
684 Function Z3950_resultset_record(s) returns references to records
685 "owned" by resultset. To become owner use Z3950_record_clone.
687 Function z_ext_record handles Extended Services. Thanks to
692 CCL Parser fix: ignore token comma when dealing with and-lists.
694 Documentation updates for COMSTACK.
696 * ZOOM changes. Query object renamed from Z3950_search to Z3950_query.
697 Changed prototype Z3950_records. For some functions, int parameters
698 were changed to size_t.
700 TCP/IP COMSTACK no longer uses getprotobyname to avoid memory leak
703 New MARC decode/display function, marc_display_exl, which properly rejects
704 non-ISO2709 records. YAZ client uses it.
708 Fix bug: local attribute set wasn't set correctly in PQF strings.
712 * Old Z39.50 codecs no longer supported.
714 Added ZOOM C binding. See http://zoom.z3950.org/
716 Renamed states for COMSTACKs to avoid confusion with events.
718 Implemented cs_look and proper cs_rcvconnect.
720 Fixed COMSTACK error that occurred on HPUX. Fix by Giannis Kosmas.
722 Configure detects POSIX threads on OpenBSD.
724 When sort flag 'i' was specified in yaz-client the caseSensitivy flag
725 was set to a wrong value. Thanks to Robert Sanderson for reporting this.
727 When error is returned from present handler, non-surrogate diagnostic
728 is returned in present response (and fetch handler is no longer called).
730 * Minor adjustments to pquery parser (PQF). Token characters may be
731 escaped by using backslash (C-style).
733 PQF parser allows string attribute values to be specified. For @attr,
734 non-numeric characters after the equal-sign are treated as strings
735 (e.g. @attr 9=title).
737 CCL trunction character may be defined (@truncation in file)
739 * function zget_ExtendedServicesRequest sets waitAction to
740 waitIfPossible (was wait).
742 Added cs_set_blocking to set change blocking mode of a COMSTACK. Thanks
745 CCL operator names may be set in field definition files (CCL_bibset).
746 See ccl/bib1 for an example.
748 Fixes in ASN.1 compiler for C++ compatibility.
750 * Renamed members "and" and "or" in struct Z_Operator to "op_and"
751 and "op_or" to avoid conflict with C++.
753 Fixed problem with GNU readline detection on Redhat 7.0.
755 Added step-size for Scan backend handler.
757 Fixed bug that made the frontend server crash when no attribute
758 set was specified for scan.
760 Front-end server automatically switches to original working directory
761 when installed as an NT service. Previously -w had to be specified to
764 Added extended attributes for retrieval module (data1), so that data1
765 records carry d1_readXML/SGML attributes. d1_read also supports
766 null-data rules ( <tag/>)
768 On UNIX when POSIX threads are available, a separate library libyazthread
769 is created. Programmers should link with that library and the yaz library
770 when using threads. The reason for the split was that some applications
771 on Linux, such as Apache, doesn't work well when using shared objects that
774 Added SSL support for the COMSTACK. You start yaz-client and yaz-ztest
775 (or any frontend server) in SSL mode by specifying ssl: followed by
776 address. Only tested on UNIX.
778 Added feature for CCL module. Virtual structure s=al or s=ol generates
779 and-list and or-list respectively instead of phrase search.
783 * Added prefix "yaz_" for the functions log_init.., log_file.. and
784 log_mask_str. This was done to avoid name conflicts with other libraries
785 (such as other PHP extensions).
787 Added raw OID member for preferred record syntax (request_format_raw)
788 and returned record syntax (output_format_raw) for backend fetch method.
790 Config file yaz-config now accepts options so that it returns specific
791 compile settings, etc. Thanks to Morten Bøgeskov <morten@bogeskov.dk>
793 Shared library support for UNIX using GNU libtool.
795 * Modified backend interface. Request/Response struct's replaced by
796 one read/write C struct. For example bend_fetchrequest and
797 bend_fetchresult have been replaced by single bend_fetch_rr struct.
798 Every handler - even search has to be registered in bend_init
799 handler. This means that the YAZ library no longer refers to
800 external functions and it makes it possible to make the whole
801 thing a single DLL/SO.
803 Added Segment handler for backend server.
805 Added Zmbol/Zebra administrative functions to YAZ client.
807 Threaded frontend server on UNIX (when POSIX Threads are available).
808 Starting the server with option -T enables multi-threading.
812 Added configure option --enable-comp/disable-comp to control use
813 of YAZ ASN.1 compiler. Use --disable-comp to use the old *coders
814 located in sub directory asn.
816 YAZ ASN.1 compiler renamed to yaz-comp in sub directory. It's installed
817 in ${exec_prefix}/bin along with the other programs yaz-client and
820 GNU automake used to maintain makefiles.
824 Changed retrieval module so that we can load records with no abstract
825 syntax defined. Tagpaths in these records are fully composed of string
828 Implemented ISO ILL protocol. Refer to stuff in sub directory ill.
832 On UNIX, the generated makefile now supports a proper 'make install'.
833 The prefix can be set via GNU configure to set the install location
834 (default is /usr/local).
836 * YAZ programs client and ztest were renamed to yaz-client and
837 yaz-ztest to avoid conflicts when users install YAZ in "standard"
838 locations, such as /usr/bin,/usr/local/bin,etc.
840 * YAZ Header files were moved from include to include/yaz. YAZ Header
841 files are referred to as include <yaz/log.h> rather than <log.h>.
842 The YAZ include path (-I ..) is therefore the same as before. Programmers
843 should update their #include statements or use -Ipath/include/yaz
844 instead. The main motivation for doing this change is that YAZ header files
845 can be installed in "standard" locations /usr/include,/usr/local/include
846 without introducing conflicts, since ALL YAZ header files are stored
847 in subdirectory yaz (under /usr/include for example).
849 Compilation of YAZ for WIN32 is now handled by an nmake-style makefile
850 rather than project/workspace files. We switched because project files
851 are incompatible between Visual C++ 5 and 6. Refer to windows.txt for
854 Changed name of logging function, logf, to yaz_log, to prevent name
855 clash with some math-log functions. The YAZ header log.h defines logf
856 to yaz_log (#define) so there should be no incompatibilities by this
859 Added bend_start/bend_stop handlers for server. These handler are
860 called on start/stop of server. For windows they are called whenever
861 a service is started/stopped.
863 * YAZ now auto-generates decoders/encoders for the Z39.50 protocol using
864 a fairly small ASN.1 compiler written in Tcl. The compiler is located
865 in util/yc.tcl. The auto-generated C code structures are, in a few
866 cases, incompatible with the old decoders. There are differences in the
867 following C structures Z_DiagRec, Z_External, Z_SortRequest, Z_SortResponse,
868 Z_AttributesPlusTerm, Z_ProximityOperator, Z_DefaultDiagFormat.
869 The preprocessor variable ASN_COMPILED is defined when the compiled
870 ASN.1 is being used. Encoder/decoder routines as well as the Z39.50
871 protocol ASN.1 is located sub directory <tt>z39.50</tt>. If you
872 wish to use the old encoders/decoders you can specify --disable-yc
875 Assigned OID for old DB Update (VAL_DBUPDATE0). Updated YAZ compiled
876 version so that it supports both new - and old version of DB Update
878 * Added 'name' parameter to ODR encoder/decoder routines to facilitate
879 pretty ODR print. Updated whole Z39.50 encoder/decoder to reflect the
880 change. The name parameter can be set to 0 in which no name is specified
881 for the construction. The macros odr_implicit and odr_explicit sets name
882 parameter to zero for the construction involved. New macros
883 odr_implicit_tag and odr_explicit_tag are similar to the others,
884 except that a name parameter is added. For programmers' that don't use
885 ODR they probably only need to change the call to z_APDU and z_External.
887 Added access control facility by interfacing the TCP wrapper library.
888 YAZ automatically attempts to find the TCP wrapper Library (-lwrap) and
889 tcpd.h on Unix systems. For the server, option -d<daemon> specifies the
890 name of the daemon and enables the access control as specified in
891 hosts.allow/hosts.deny. Refer to man pages tcpd(8) and hosts_access(5).
893 Fixed memory leak in ccl_find_str and ccl_qual_rm. Thanks to Hans van
894 den Dool <H.M.vdnDool@kub.nl>.
896 Added reference ID parameter to most functions in server API - refer
897 to backend.h. Thanks to Hans van den Dool <H.M.vdnDool@kub.nl>.
899 Changed name of ccl library to libccl.a (was ccl.a).
901 Fixed bug in decoder for Explain (Category TargetInfo).
903 Added support for GNU readline in client. Thanks to Jacob Poulsen
904 <ja7@dbc.dk>. GNU configure attempts to detect if readline is available.
906 * CHANGED DEFINITION OF ES: UPDATE (INCLUDING THE OID) to reflect the
907 new definition from the ZIG. NOTE THIS IF YOU HAVE AN UPDATE
908 IMPLEMENTATION! This change was made to the development version before
909 the ZIG decided to retract the amendment. If any users MUST be
910 compatible with the original Update definition, PLEASE CONTACT US, and
911 we will include a separate definition corresponding to the old Update
912 ES. Note that because of the change to the ASN.1 of the
913 TaskPackageRecordStructure we cannot define a single structure that
914 will support both versions.
916 * Added const modifier to buffer parameter for some ODR/BER encoding
917 routines: ber_dectag, ber_declen, odp_more_chunks, completeBER,
918 completeWAIS, odr_dumpBER.
920 Fixed bug in client.c which caused a crash when a scanResponse didn't
921 contain positionOfTerm.
923 * Fixed inconsistency in the ScanResponse/ListEntries protocol. This
924 * will cause an error in a client if a non-YAZ target sends both a
925 * list of Scan entries and non-surrogate diagnostics.
927 Retrieval module enhancements. Tag sets may be typed in the reference
928 to it. From the .abs-file the "tagset" directive takes a third optional
929 integer type for the tag set referenced. From a .tag-file the "include"
930 directive takes a third optional type as well. The old "type" directive
931 in the tag set itself is still recognized but acts as the default type
934 Backend interface change. Individual Scan terms returned from bend_scan
935 may also be tagged as Surrogate Diagnostics. Refer to struct scan_entry
936 in include/backend.h.
938 Retrieval module enhancements. Multiple tag sets and attribute sets may
939 be specified in abstract syntax specs. Revised the error/warning for
940 logging messages reported by the retrieval module when reading the
943 Object Identifier system (oid_..) changed. The API is backwards
944 compatible but the oid-routines now allocates new OID's when needed.
945 Raw OID's may be specified in oid_getvalbyname.
947 YAZ now uses GNU configure to generate Makefile(s).
949 * Minor changes in some of the member names of DeleteResultSetRequest and
950 DeleteResultSetResponse. See include/proto.h.
952 * Changed some C definitions regarding EXPLAIN record syntax (prt-exp.h)
953 and added member 'languages' in TargetInfo (which was missing).
955 Changed the way attribute sets are handled in the retrieval
956 module. These are now cached, just like the abstract syntaxes
959 Changed YAZ so that it links with compiled ASN.1.
961 Added Explain-schema definitions and mapping routines. The following
962 Explain categories have been implemented: AttributeDetails,
963 AttributeSetInfo, DatabaseInfo, CategoryList and TargetInfo.
965 Fixed minor bug in Windows version of Server Library.
967 --- 1.4pl2+ 1998/4/17 (Released with Zebra)
969 Added Extended Services to server (backend.h). Thanks to Charles Woodfield.
971 Added EXTERNAL: UNIverse Resource Report (non-standard).
973 Implemened odr_enum and odr_set_of functions to handle ASN.1 types
974 ENUMERATED and SET OF.
976 * Added 'const' to some of the char pointer arguments for the
977 functions, data1_read_node, data1_getelementbytagname,
978 data1_insert_taggeddata, data1_getesetbyname, data1_getelementbyname,
981 Fixed bug in data1_insert_taggeddata - the last_child member of
982 parent wasn't initialised.
984 * Changed data1_read_record and data1_read_node so that the supplied
985 "SGML"-buffer is read-only. In particular the resulting data1 - tree
986 doesn't refer to any parts of the "SGML"-buffer.
988 Fixed bug in server library (Windows version of statserv_remove).
990 * Changed code so that it compiles as C++. The type definition
991 of Odr_fun which is a member of Odr_arm was changed. The result is,
992 that an explicit typecast is needed for the fun pointer when
993 using Odr_arm - as in:
994 {1, -1, -1, Z_IdAuthentication_idPass, (Odr_fun)z_IdPass},
996 Updated TagSet-G and -M definitions (tagsetm.tag and tagsetg.tag).
998 Implemented the new structured date and time definition as approved
999 by the ZIG. Added schemaId element to the specificTag in Espec-1
1000 (also approved at the last ZIG). Thanks to RVDM.
1002 Added some Object identifiers (RVDM).
1004 Changed the Update Extended Service (RVDM).
1006 Added command "refid" to client which specifies referenceId for
1007 the following requests.
1009 Implemented extended service handling for server. See ztest.c
1010 for an example as well as backend.h. New handlers are registerd
1011 in the Init handler.
1013 * Changed interface for sort in server.
1015 Added new members to statserv_options_block. It allows a server
1016 to read options from another source than just the command line. Thanks
1017 to Charles Woodfield.
1019 * Changed definition of Z_Triple in file prt-grs.h - member boolean
1020 renamed to zboolean. Some C++ compilers complained about the name.
1022 Minor changes to gils.abs. Added index 's' (sort) on title
1023 and date/time-last-modified.
1025 --- 1.4pl2 1998/1/30
1027 Fixed bug in server library regarding inetd mode (-i). This bug
1028 was introduced by release 1.4.
1030 --- 1.4pl1 1998/1/29
1032 Added sort facility in client and backend server interface.
1034 Fixed problem with dependencies in Makefile(s).
1036 Fixed bugs for encoders/decoders of extended services and
1039 Implemented sub-tree feature for schemas. Sub-trees are
1040 referenced in *.abs-files. See explain.abs for an example
1041 of the use of this feature.
1043 Modified bib1.att; local attributes for ANY didn't include
1044 ANY itself (only affects use of the retrieval module).
1046 Fixed bug in plain SGML reader in function data1_read_node:
1047 tags with prefix "var" was incorrectly interpreted as variants.
1049 Added feature "sub-schemas" to enable references to - and definitions
1050 of - group of elements.
1052 * Removed member parent from type data1_element (in data1.h).
1054 Implemented function odr_nullval() that returns the value of
1057 * Removed member num_children from data1_node (in data1.h).
1059 Made NT service interface part of the server library. The
1060 function statserv_main uses the NT service when required and
1061 calls the statserv_start / statserv_close routines.
1063 Routine zget_SearchRequest and zget_PresentRequest fills
1064 resultSetName/Id member with "default" instead of "Default".
1066 Fixed memory leak in server. Request queue member wasn't freed.
1068 Fixed nmem_exit so that memory is freed.
1072 Revised the CCL parser utility to be thread safe.
1074 Added function, oid_ent_to_oid, to replace the function
1075 oid_getoidbyent, which is not thread safe.
1077 * Added nmem_init and nmem_exit to initialize and release
1078 NMEM resources. Function nmem_init should be called once in the
1079 initial thread before NMEM/ODR is used. statserv.c and client.c
1080 have been changed accordingly. The change was necessary to make
1081 NMEM thread safe. The NMEM memory pool is shared amongst threads
1082 in a process. Unix-based applications will still work fine without
1085 Added NT Services interface for the the Z39.50 (statserv) Server.
1086 Refer to the ztest.c source on the usage.
1088 Windows 95/NT port using MSVC5.0. Project files are included in the
1091 * Defined new 'global' handle for the retrieval (data1) system. The
1092 new handled, data1_handle, describes the state of the data1 system.
1093 This handle is passed as first argument to virtually all
1094 data1 related routines. The functions data1_create and data1_destroy
1095 creates and destroys a data1 handle respectively.
1097 Added ODR encode stream member to all backend request structures
1098 init, search, scan etc. This stream should be used to allocate all
1099 memory used for the response when thread safe operation is needed.
1101 Changed the comstack utility, cs_addstr, to be thread safe. The
1102 returned hostname string returned by the function is now part the
1105 Added comstack utility, cs_straddr, which replaces the tcpip_strtoaddr
1106 function. The cs_straddr takes a COMSTACK handle as argument, so this
1107 function must be used after cs_create and before bind/connect.
1108 This function is thread safe.
1110 Moved test server to 'ztest' directory - generic server code still
1111 in 'server' directory.
1113 Made prefix query (pquery.c) utility thread safe.
1115 Added new function modifier YAZ_EXPORT to 'export' public DLL
1116 functions when using windows (see include/yconfig.h).
1118 Added definitions to the OID database (util/oid.c) (RVDM).
1120 Added new BIB-1 diagnostic messages to the handler diagbib1_str.
1122 Added call to ccl_rpn_delete in client program.
1124 Added ODR argument to ccl_rpn_query and ccl_scan_query to provide
1125 release of RPN structure.
1127 Added support for C++, headers uses extern "C" for public definitions.
1128 With input from RVDM.
1130 In handling of SEQUENCE OF: Counter set to zero when SEQUENCE OF is absent.
1131 Thanks to Ronald van der Meer (RVDM).
1133 Added initializers (zget_ routines) for a number of PDUs. Thanks to RVDM.
1135 Added support for private extensions to the OID database
1136 (oid_setprivateoids()). Thanks to RVDM.
1138 Added optional, physical ANY (key replication)
1140 Fixed null-reference problem in GRS-1 output filter.
1142 Proximity operator added to Prefix Query Format (PQF).
1144 In test client command "base" accepts multiple databases.
1146 Fixed bug in cs_close stack that caused trouble with WINSOCK.
1150 Fixed tagging bug in ResourceReportResponse PDU encoder/decode.
1152 Smallish bug-fixes in the new encoders/decoders (explain).
1154 Bug fixed in DeleteRequest.
1156 Fixed tagging bug of type 101 query in SearchRequest-Query PDU encoder/decoder.
1158 Fixed tagging bug in ResourceReportResponse PDU encoder/decode.
1160 Added SOIF syntax (using private OID for now) to retrieval module and client.
1162 Added Update extended service.
1164 Added SearchResult-1 additional info structure.
1166 Added optional CCL (ISO8777) interpreter as separate module. Available
1169 --- 1.2 1996/6/10 (1st anniversary release)
1171 Added Summary record syntax. Lightly tested.
1173 Added OPAC record syntax. Untested.
1175 Added ResourceReport service encoders/decoders. Untested.
1177 Fixed bug in z_Unit - wrong tagging on unitSystem.
1179 Fixed bug in the DiagRecs decoder.
1181 Added options for max PDU size and session timeout to frontend-server.
1183 Added documentation of query-language parsers and other supporting utilities.
1185 [frontend-server] Added Attribute set to the bend_scanrequest API.
1187 [frontend-server] NextResultSetPosition was sometimes set incorrectly when
1188 surrogate diagnostics were generated.
1190 [retrieval] Allow multiple local values for attribute.
1192 [retrieval] Allow multiple attributes per element in .abs files. index type.
1194 [retrieval] Added Summary tagset, abstract syntax, and d1-node/ASN filter.
1196 --- 1.1pl2 1996/4/10
1198 Minor changes, mostly specific to Zebra's requirements (retrieval)
1202 Repaired bug in frontend server when running multiple listening
1203 endpoints in dynamic mode.
1205 z_External() now won't break if a known, ASN.1 value comes encapsulated
1206 in an octet-string. The value will pass through unmodified in an Odr_oct.
1208 Added a bit of code to the demo client to decode & display
1209 ASN.1-structured records represented in the octet-aligned branch of
1210 the EXTERNAL CHOICE. Thanks to CAS for prodding us to finally do this.
1212 Added z_ext_getentbyref() to the ASN module. Doc updated.
1214 * Completed the SCAN definition in the ASN module. This may break SCAN
1215 code based on older YAZ-versions at compile-time. The fix is easy -
1218 * Added 'displayTerm' and OtherInformation to the TermInfo structure
1219 under the SCAN definition. Remember to initialize this, server-people.
1221 Comstack should now support the WAIS protocol in TCP/IP mode. Note
1222 that this does not extend to ODR and ASN.
1224 Comstack allows insertion of established socket (primarily for
1225 inetd-operation of servers). Doc updated.
1227 Front-end server can now start from the inetd in TCP mode. Doc
1230 --- 1.0pl4 1996/1/24
1234 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
1235 the rank and record number.
1237 Adjustments to the frontend server.
1239 Fixed diagnostic BER dumper. It ignored the file argument.
1243 Various changes to retrieval module.
1245 Changed the union discriminators of the protocol files from enums to
1246 ints paired with #defines.
1248 *Changed oident.class to oident.oclass to avoid a reserved word in C++
1251 *Changed operator in the RPN structure to 'roperator', again to avoid a
1254 Fixed problems in Explain decoders/encoders.
1256 --- 1.0pl2 1995/12/6
1258 Memory bug in log module fixed.
1260 --- 1.0pl1 1995/12/5
1262 Occasional malloc() of 0 bytes fixed in d1_espec.c.
1264 Bug in Explain DatabaseInfo module fixed.
1266 Some '\r' snuck into one or two of the ret'l config tables. A curse on Windows.
1270 The shift to v1.0 signals that we now consider the *core* functionality
1271 of YAZ reasonably stable (the core being more or less equivalent to
1272 Z39.50-1992). Some of the really nifty v3 stuff is still not heavily
1273 tested (Explain not at all - though that will happen soonish).
1275 Minor changes to code to support Windows port.
1277 Various minor changes after we're getting to use GRS-1 & co. more.
1279 Added Espec-1 format.
1281 Added VisibleString field body type to GRS-1. It is illegal acc. to my copy
1282 of the protocol and it cannot be selected when encoding (maps into 'string'
1283 when decoding). Needed to talk to some servers.
1285 Demo client can request simple element set names.
1287 Added Diagnostic Format encoders/decoders.
1289 Added simple Close handling to frontend server (no hooks for resource
1290 reporting yet), and demonstration client.
1292 Added cs_addrstr() command to COMSTACK to retrieve peer hostname/address.
1294 --- 1.0b3 1995/08/24
1296 Fixed bug in the frontend-server. The numberOfRecordsReturned field was
1297 handled incorrectly when records were requested in the searchResponse. This
1298 will only affect you if you use the frontend-server.
1300 Added GRS-1 encoders/decoders to the service-level API. Lightly tested.
1301 Test-client will ask for and print GRS1. Ztest will return dummy records
1304 Added Explain encoders/decoders to the service-level API. Untested.
1306 Added Extended Services: Item Order encoders and decoders to the Service-
1307 level API. Untested. We could use a recent copy of the pertinent bits
1308 of the ILL protocol to add those bits.
1310 Added diagnostic format 1 encoders/decoders to the service-level API.
1313 Moved pretty-printing of structure-wrappers ({..}) from odr_seq.c to
1314 odr_cons.c, which causes a more correct output.
1316 Fixed handling of searchRequest in frontend server. NextResultSetPosition
1317 was always set to 0 when no records were requested in the searchRequest.
1319 * Added better external-handling. This shouldn't harm old code that
1320 *encodes* externals. It can break code that looks for a
1321 'single-ASN1-type' representation, since those types that are known
1322 are now decoded immediately. Look at the SUTRS sample code in
1323 seshigh.c and client.c. Documentation updated.
1325 Handling of structured records in bend_fetchresponse. Length -1 marks
1326 structured record, type is deduced from format field.
1328 --- 1.0b2 1995/06/27
1329 Fairly quick maintenance release to add SUTRS support.
1331 Fixed handling of SUTRS records in the demonstration client.
1333 * Added format field to the bend_fetchrequest and bend_fetchresponce
1334 structures of the backend API (frontend server). When the record is
1335 returned, the value of the format field is mapped to an OID. The
1336 value VAL_SUTRS will also cause a slightly different ASN.1 packaging
1337 of the record. The special value VAL_NONE in the bend_request means
1338 that no specific format was requested by the client. Documentation
1339 updated accordingly. Test server (ztest) will return a fixed dummy
1340 SUTRS record if your client requests SUTRS.
1342 Documentation updated accordingly.
1344 You can now set external libraries and RANLIB support in the top-level
1348 First public release.