1 Possible compatibility problems with earlier versions marked with '*'.
5 Add autoconf m4 macro YAZ_DOC for YAZ documentation setup (docbook).
7 SSL comstack now uses yaz.pem certificate file on server side
8 by default. Certificate filename can be configured by calling
9 comstack function cs_set_ssl_certificate_file before cs_bind is used.
11 Fix bug regarding multiple calls to ZOOM_connection_connect.
13 Implement cs_set_ssl_ctx which sets SSL_CTX for SSL comstack.
15 Do not create SSL_CTX in cs_create (ssl_type). Create in tcpip_bind,
16 tcpip_rcvconnect instead. This allows user to set custom SSL_CTX.
18 ZOOM now allows inspection of X509 peer certificate for verification.
19 The X509 buffer is retrived by reading ZOOM option "sslPeerCert".
21 Removed libyazssl.la. When SSL is enabled, libyaz.la has SSL support and
22 all programs have too (yaz-ztest, yaz-client, zoom..). May not be
23 as "modular" but it simplifies things.
25 Added cs_get_peer_certificate to that returns peer X509 PEM.
27 Added cs_get_ssl that returns SSL handle (SSL *) for SSL comstack; returns
28 NULL if SSL is unavailable.
30 Documentation about MARC decoding tools.
32 Fix --disable-tcpd to really disable tcpd. Patch by Robin H. Johnson.
36 Rename CHANGELOG to NEWS to follow GNU style packing.
38 Fix bug with missing initialization of member in init_diagnostics.
39 This bug affects threaded version of GFS server.
43 Use wrbuf_xmlputs_n instead of wrbuf_write_cdata to avoid clash with
46 Ensure zlib.dll is packed with Windows install.
50 Fix encoding of xsd:string to use text instead of CDATA.
52 Fix endless loop in CQL parser with unbalanced ".
54 Use a more compact way to store MARC-8 conversion tables.
56 --- 2.0.16 2004/03/16 Debian only
58 Oleg Kolobov Fixed a bug in yaz_iconv regarding conversion to
61 Update CQL parser to use new CQL 1.1 modifiers for booleans and
68 Another fix for decoding of XML packed records.
72 Fixes for Chunked encoding. White space not ignored after length spec.
74 Update NS and use default NS for SRW diagnostic elements.
78 Implement ZOOM_resultset_cache_reset which resets record cache.
80 Implement ZOOM_resultset_sort which sorts a result set.
82 Implement chunked HTTP transfer.
84 For SSL, use -lssl -lcrypto on systems that don't have pkg-config.
88 Added member 'schema' to bend_explain_rr structure so that backend
89 can specify explain record identifier. Defaults to Zeerex 2.0.
91 Fix encoding of OID's of form 1.0.X. Bug introduced in 2.0.11.
95 * SRW/SRU 1.1 updates: updated diagnostic in srw.h to use uri instead
98 Added init command for yaz-client which sends "extra" init request.
100 Fixed two bugs in OID codec - ber_oidc. Throw error when encoding/decoding
101 bad truncated OID. Fix decoding of OID X.Y... when X=2 and Y>39.
103 Fixed a bug in ASN.1 compiler that caused Type-1 Operator codec to fail.
105 Make ZOOM error code for "invalid query".
107 Fixed compilation for SSL which wasn't properly enabled for all platforms.
109 --- 2.0.10 2004/02/05
111 For yaz.m4, allow second argument for YAZ_INIT to hold minimal version of
114 * SRW/SRU 1.1 updates. Diagnostic code now a URI.
116 Added option -p <file> to make Generic Frontend Server to write PID file.
118 Added option -D to put Generic Frontend Server in background on its own.
120 Make ZOOM C recognize option "password". If unset, "pass" is used
121 (for backwards compatibility).
123 Fixed a bug in Generic Frontend Server that could make it crash if a
124 client sets characterSetNegotation bit, but didn't pass negotiation stuff
127 New YAZ client command, zversion, that sets Z39.50 version (1,2,3..).
128 Must be issued before open, in order to be in effect.
130 --- 2.0.9-6 2004/01/12 Debian/Windows
132 Make the SRU server more picky WRT unknown params, etc.
134 Bug fix: ZOOM scan response didn't return displayTerm - when present.
136 New YAZ client command, options, that sets Z39.50 options.
138 New utility functions yaz_init_opt_{encode,decode} to encode/decode Z39.50
139 options from a string of tokens (one token for each option bit).
141 Update SRW diagnostic code messages.
143 --- 2.0.9-5 2004/01/07 Debian/Windows
145 Handle user defined stylesheet for SRW/SRU.
147 --- 2.0.9-4 2004/01/06 Debian/Windows
149 Fix bug in decoding of Content-Length.
151 --- 2.0.9-3 2004/01/06 Debian/Windows
153 Fix a bug with decoding of XML packed records.
155 --- 2.0.9-2 2004/01/05 Debian only
157 Allow empty ODR (NMEM=0) for odr_oiddup and odr_getoidbystr.
159 Fix bug in SRW/SRU diagnostics decoding.
163 Fixed bug in Generic Frontend Server which could drop records exceeding
164 preferred message size. Reported and fixed by Irina Dijour.
166 Fixed calculation of package size for structured records in Generic
167 Frontend Server. Reported and fixed by Irina Dijour.
169 Fixed namespace for SRW/SRU diagnostics.
171 Fixed SEGV in yaz-client that occured for HTTP connection errors.
175 * SRW/SRU 1.1. Since the Namespace has changed for SRW/SRU, it means that
176 this version is incompatible with version 1.0 and older YAZ SRW/SRU
179 CQL changes to reflect recent changes to the specification:
180 * Documentation talks about context sets instead of index sets.
181 * Documentation talks about indexes instead of qualifiers.
182 * The CQL-to-PQF transformer's configuration file now uses
183 "index.set.name = <attributes>" instead of the old form
184 "qualifier.set.name = <attributes>". (Both forms are still
185 understood but the latter is deprecated.)
186 * CQL terms with no explicit index specified are now interpreted as
187 cql.serverChoice instead of srw.serverChoice (which of course
188 behaves exactly the same.)
192 MARC conversion can now generate ISO2709 output in another
193 character set. yaz-marcdump uses this facility if you invoke it
196 Added missing C decl macros for include/yaz/{soap.h,srw.h,cql.h}, so that
197 functions from there can be used from C++.
201 Frontend server now transfers memory from decoded packages to stream
204 NMEM now clears freed blocks with 'Y' (hex 59) to force bad memory
205 references to show up.
207 ZOOM-C now supports standard ZOOM option names as described in v1.4 of
208 the ZOOM Abstract API. The older names for the same options are still
209 also supported for the benefit of old applications.
211 ZOOM-C supports "implementationId" and "implementationVersion" options
212 to go along with "implementationName". These allow the user code to
213 specify identification strings to be sent to servers.
214 Add OID for the new ExtLite attribute set.
216 Add OIDs for NACSIS-CATP, FINMARC2000 and MARC21-fin record-syntaxes,
217 as requested/supplid by Ere Maijala <ere@atp.fi>
219 For generic frontend server, reverse the order of
220 "toolkit-supplied / application-supplied" strings sent as implementationId,
221 Name and Version. Also, remove the spaces around the slash. This brings
222 the GFS in line with the behaviour of ZOOM-C on the client side.
224 Add function ZOOM_scanset_display_term.
226 yaz-client shows scan displayTerm if present.
228 Utility yaz-iconv is now installed by default along with the man page
231 Extend configure check for OpenSSL to use pkg-config where available (such
234 Incorporate patch by Morten Bogeskov which allows a Unix file socket
235 server to specify uid/gid/mask for socket using the format
236 unix:[user=uid,][group=gid,][umask=mask,]file=path
237 If file= is omitted the existing format is assumed, e.g.
239 in which case the mask is 0666 (rw for everybody).
241 Major restructure of YAZ source. All source in libyaz is in src directory.
242 Programs in client (yaz-client), ztest (yaz-ztest), zoom (zoom programs),
243 util (utility programs such as ASN.1 compiler, yaz-marcdump).
245 Added man page for utility yaz-marcdump (used to be called marcdump).
246 yaz-marcdump is installed by 'make install'.
248 Fixed a memory leak in Generic Frontend Server that occurred when decoding
249 of incoming package failed.
251 Fixed a potential DOS attack vulnerability in COMSTACK/ODR.
253 Change prototype of odr_perror: add const to message string.
255 New function yaz_log_reopen which reopens log file (for log rotate, etc.)
257 * Blocking parameter for COMSTACK cs_create is now a bit mask rather
258 than a blocking flag. Bit 0 is set for blocking, reset for non-blocking.
259 Bit 1 is set if cs_addrstr should avoid DNS lookup; reset for full
260 DNS lookup. There should not be any compatibility problems with this
261 assuming that blocking=1 or 0 is used.
263 Fix bad reference in UNIX comstack in function cs_addrstr.
265 Fix for compilation on AIX.
267 The generic front-end server (server/seshigh.c) now supports returning
268 Init diagnostics to the client in User-information-field, in
269 accordance with Z35.90 Implementor Agreement 5 (Returning diagnostics
274 Allow any CQL relation (not just all,any,exact,scr).
276 Fixes for OCLC UI ASN.1 to make it work with SilverPlatter targets
277 that features the same UI.
279 Implemented command update0 in YAZ client which is equivalent to
280 update but uses old of Ext Update ASN.1.
282 Use OID 1.2.840.10003.15.1000.81.1 for privately defined charsets
283 in charset negotiation. Added VAL_ID_CHARSET in oid.h.
284 Previously no OID was used for this info.
286 ZOOM uses smallSetUpperBound=1 instead of 0 for piggyback searches.
287 It apparantely upsets EBSCO Publishing IR Z39.50 Server which
288 returns 'malformed search term' otherwise.
290 SortResponse member resultCount now set to NULL in sort handler of
293 OPAC support ZOOM. ZOOM_record_get returns OPAC info (as XML) if
296 Add three new utility functions for translating OIDs between various
297 formats -- symbolic name such as "Usmarc", minus-1-terminated int
298 arrays and dotted strings such as "1.2.840.10003.9.5.1":
299 int *oid_name_to_oid(oid_class oclass, const char *name, int *oid);
300 char *oid_to_dotstring(const int *oid, char *oidbuf);
301 char *oid_name_to_dotstring(oid_class oclass, const char *name, char *oidbuf);
303 Reverted modifications for ES Update definition for z_IU0Update
304 (OID 1.2.840.10003.9.5.1 and 1.2.840.10003.9.5). The definition
305 is back to YAZ 2.0.2.
307 String value attributes for CCL parser.
309 Support for OCLC's locally registered "OCLC-UserInformation" PDU,
310 which their FirstSearch server returns in Init responses, sometimes
311 carrying useful diagnostic information when Init fails. This has the
312 OID 1.2.840.10003.10.1000.17.1 and is defined in the file
313 "z39.50/oclcui.asn", where its definition is somewhat different from
314 what OCLC document on their web-site, as required to interoperate with
317 Support for anonymous authentication in yaz-client. Use the command
320 * Fix the OID of the Index Data-local "admin" Extended Service from
321 1.2.840.10003.9.81.1 to 1.2.840.10003.9.1000.81.1. The omission of
322 the 1000, which indicates a locally-defined OID, was a mistake.
326 Fix CCL directive @case handling so that it affects string match for
327 both CCL keywords and qualifiers.
329 * ESFormat-Update updates. Packages with OID 1.2.840.10003.9.5.1 and
330 1.2.840.10003.9.5 are now handled by the same decoder z_IU0Update .
331 Decoder has been updated with ASN.1 changes as listed in
332 http://lcweb.loc.gov/z3950/agency/defns/updateES.html
333 Note that the "latest" DB Update, OID 1.2.840.10003.9.5.1.1 , handler
334 z_IUUpdate, remains unchanged.
336 ZOOM_record_get may now return a record in a specific character set.
337 For type use "form; charset=from[,to]" where form (render, xml, ..) ,
338 "from" is the character set of record as returned by target. "to" is
339 the character set to be returned. If omitted, "to" is UTF-8.
341 YAZ ASN.1 compiler renamed from yaz-comp to yaz-asncomp
343 New ODR utility, odr_getelement, which returns name of element for
344 which encoding/decoding failed.
346 Fixed ODR so that it returns error code OREQUIRED rather than ONONE
347 in cases where a required element was omitted.
349 Bug fix: some MARC8 sequences were not converted.
351 New ZOOM option "step" which specifies number of records to be
352 retrieved in one chunk. Used in conjunction with "start" and "count".
354 SRW support for yaz-client. Use scheme http: to use it, e.g.
357 yaz-client no longer does (un)intelligent character set conversions
358 by default. Can be enabled with charset and marc_charset commands.
360 xmalloc trace fix for 64-bit systems such as DEC alpha.
362 Solaris 2.6 compile fix.
364 New function, cql_strerror() translates SRW error codes, as returned
365 by cql_transform_error(), into human-readable English strings. Used
366 in yaz-client diagnostics when appropriate.
368 New CQL2RPN query-type for the command-line yaz-client, parses CQL and
369 converts it into a type-1 query which is sent to the server. This
370 makes CQL available for use with all Z-servers, as opposed to the tiny
371 minority that can handle CQL queries themselves.
375 New Debian package layout similar to the Redhat Package layout.
377 New ZOOM events ZOOM_EVENT_RECV_{RECORD,SEARCH} for receiving a record
378 and search result respectively.
382 Redhat package is now several packages: libyaz (runtime libraries),
383 libyaz-devel (development and documentation, and yaz (utility programs).
384 Package spec file by Morten Bøgeskov.
386 New member 'schema' in struct bend_fetch_rr which the name of requested
387 schema (SRW/SRU) for record (or NULL if none was given). The fetch
388 handler MAY set this to reflect the schema of the returned record.
390 New member 'display_term' in struct scan_entry. GFS now sets member entries
391 and allocates scan entries to be filled by user scan handler. In previous
392 version, entries member was allocated by the scan handler. That still works,
393 but the GFS will ignore member display_term - assuming it was NOT set by
394 the handler. The fact that the GFS now allocates the entries both allows
395 for new members and makes a scan handler easier to write.
397 Fix CQL lex buffer overflow.
399 SRW/SRU recordPacking. For SRW default recordPacking is string. For
400 SRU default recordPacking is string.
402 SRU protocol support for frontend server.
404 Fix compile bug for systems that have nl_langinfo but CODESET undefined.
406 Added missing PQF transform rules for <= and >= . Thanks to Peter Popovics.
408 Added scan for the ZOOM shell (zoomsh).
412 * String Identifers for Schemas (Amendment 5).
413 http://lcweb.loc.gov/z3950/agency/amend/am5.html
414 Old definition for schema
415 Odr_oid *schema; /* OPT */
420 Z_InternationalString *uri;
421 #define Z_Schema_oid 1
422 #define Z_Schema_uri 2
425 * resultCount parameter to Sort Response (Amendment 1).
426 http://lcweb.loc.gov/z3950/agency/amend/am1.html
428 Support for SRW 1.0 over HTTP. This is an optional feature and
429 requires libxml2 to operate. Enable SOAP by specifying --with-xml2
432 Generic frontend server supports HTTP/SOAP/SRW and Z39.50/BER
433 on the same port. SRW SearchRetrieveRequests are mapped
434 to bend_init,bend_search,bend_fetch,bend_close.
436 Z39.50 Query Type-104 added - to facilitate CQL within Z39.50.
438 CQL support. Source is directory 'cql'. CQL is supported in ZOOM
439 (both SRW and Z39.50) and the YAZ client (Z39.50 only).
441 ZOOM connections are SRW based if schem http is used for hostname
442 in connect, e.g. z = ZOOM_connection_new("http://myserver");
443 ZOOM_query may be of type CQL, e.g. ZOOM_query_cql(q, "dc.title=x");
445 CCL proximity operators !n, %n converts to PQF @prox 0 n 1 2 k 2
446 and @prox 0 n 0 1 k 2 respectively, meaning: exlusion=false,
447 distance=n, order=true/false, relation=le, prox unit=word. If
448 n is omitted, distance 1 is used.
450 Fixed problem with C compiler include path in wrong order.
452 For TCP/IP COMSTACK, set recv buffer to an appropriate "large" value
453 on Solaris. Patch from Ko van der Sloot.
455 New MARC decode API. All new functions operate on a yaz_marc_t
456 handle. The most important new functions are: yaz_marc_create,
457 yaz_marc_decode_{buf,wrbuf}, yaz_marc_destroy, .. to create handler,
458 decode and destroy respectively. Decoder can produce formats
459 MARC line, simple XML, OAI MARC and MARC XML (LoC). See
460 include/yaz/marcdisp.h.
462 YAZ Iconv utility now supports MARC8 decoding (marc8.c). Converts
463 to UTF-8, UCS-32, wchar_t or Latin-1.
465 * Prototypes for yaz_iconv_-functions moved to separate header
466 include/yaz/yaz-iconv.h.
468 Make a few private functions 'static' in unix.c. This prevents
469 duplicate unix_close in PHP with YAZ and imap. PHP Bug 20977.
471 For ZOOM connection, the options targetImplementation{Id,Name,Version}
472 are set when Init Response is received.
474 New function ZOOM_connection_error_x similar to ZOOM_connection_error
475 but returns diagnostic set as well.
477 New function yaz_strerror which is a portable wrapper for
478 strerror/strerror_r/GetLastMessage.
480 * ZOOM_record_get supports type "xml" in which case MARC XML (from LOC)
481 is returned for MARC. If type is "oai", then OAI MARC is returned.
483 Fix creation of lib/yaz-config so it works if srcdir != objdir. Patch
488 yaz_marc_decode uses OAI MARC as XML format for ISO2709 records.
490 Fix bad race conditions on SIGTERM and terminate gracefully in
493 Move retrieval (data1) module to Zebra since nobody seems to be
496 Add GRS-1 render for ZOOM using same format as yaz-client.
500 Added man pages: yaz-client(1), yaz-ztest(8), yaz(7), zoomsh(1).
502 Fix broken ESpec handling in data1 module.
504 SGML reader parses comments and makes them part of the data1 tree.
506 Added several type casts so that YAZ compiles as C++ code.
508 ZOOM didn't handle PDU encoding failures properly.
510 Added more Bib-1 diagnostics (approved extensions).
512 GNU configure: better check for iconv.
514 More portable use of accept, getpeername. Check for socklen_t. Use
515 int/size_t if socklen_t is not defined.
519 PQF parser rejects bad queries - including those with extra
520 characters in them. PQF parser used to silently ignore that.
521 Cleaner API for PQF added, which allows you to get detailed
522 error information for bad queries (see yaz/pquery.h).
524 Fixed bug in ZOOM_record_get for type "database".
526 Implemented mini iconv library supporting conversions between
527 UTF-8, UCS4, UCS4LE and ISO-8859-1. Implemented in util/siconv.c.
529 * Removed XML reader (d1_expat.c). It's part of Zebra instead.
533 Fixed ZOOM C record cache so that preferredRecordSyntax and
534 elementSetName is used to check for already fetched records.
538 Added three members in bend_initrequest structure to facilitate
539 character set negotiation.
541 Fixed a bug in frontend server that could cause indefinite
542 loops under rare conditions.
544 Revised character set utilities (charneg.h) so that encoding
545 UCS-4, UCSA-4, UTF-16 and UTF-8 are encoded non-privately.
547 For PQF, directive @term <type> sets term type for Scan/Search.
548 Here <type> is general, string, numeric, null. The term type
549 is inherited - just like @attr.
551 New call odr_set_charset that sets character set conversion for
552 international-strings on a ODR stream. Prototype is:
553 int odr_set_charset(ODR o, const char *to, const char *from);
554 The InternationalString is still represented as C string in YAZ
555 so native strings of type UTF-8, ASCII, etc. will work (UTF-16
556 won't). On the protocol level, you can use any encoding.
558 Support for UNIX sockets in ZOOM.
560 Solaris recv sometimes returns errno == ENOENT. It is treated as
561 EINPROGRESS. COMSTACK patch by Ko van der Sloot.
563 New COMSTACK of type UNIX Socket. Use "unix:/path" as address for
564 both client and server. Code by Morten Bøgeskov.
568 On Windows ZOOM functions are of type __stdcall rather than __cdecl, so
569 that they can be used directly from Visual Basic. You must recompile
570 your windows APP if you're using ZOOM.
572 Character Set and Language Negotiation(3) for ZOOM API and YAZ client.
573 Commands "lang" and "charset" sets language and character set respectively.
574 Options "lang" and "charset" is interpreted by the ZOOM API. Note, these
575 are not part of the official ZOOM spec) All is due to Oleg Kolobov.
577 Attributes from multiple CCL fields may be OR'ed rather than merged
578 using directive "@field or". Fields are still merged by default -
579 equivalent to "@field merge".
581 Fixed bug in ZOOM connect that occurred on OpenBSD (maybe others). Patch
584 Fixed bug in zget for parameter ExtendedServicesResponse.
590 Added PQF feature: '@attr type=value' may be written as '@type=value'.
592 Client displays USR.1:SearchResult-1 (hits per term).
594 Additional Search Info for search in Generic Frontend Server.
596 Fixed CCL parsing of "field=s".
598 WIN32 installer - using the excellent NSIS software from nullsoft.
600 Fixed CCL parsing of "field = - <number>".
602 Added function yaz_marc_decode that decodes MARC for line mode
603 display or XML (similar to that used by JZKit).
605 Fixed BER decoding of OPTIONAL CHOICE. The bug didn't affect the
606 Z39.50. But ISO/ILL was, however.
608 Added patch by Rustam T. Usmanov that implements Z39.50 duplicate
609 detection service (Z39.50-1995 Amendment 2) and Language Negotiation (3).
611 http://lcweb.loc.gov/z3950/agency/amend/am2.html
612 http://lcweb.loc.gov/z3950/agency/defns/charneg-3.html
616 New YAZ client features: Command completion and new commands:
617 push_command, set_apdufile, set_marcdump, set_cclfields, register_oid.
618 Code provided by Jacob Poulsen.
620 New call oid_trav, that visits all registered OIDs via callback.
622 Function ZOOM_record_get now returns const char pointer rather than
623 void pointer. It saves a lot of type casts.
625 For YAZ client, command "auth" now allows you to set authentication
626 in IdPass style. It is enabled when three tokens are given - order
627 is user, group and password.
629 Fix memory leaks in MARC record handling for ZOOM.
631 New option for YAZ client, -k <kilobytes> that sets
632 maximum record size. Similar to -k option for generic frontend
633 server and yaz-ztest.
635 More fixes for scan. Non-zero stepSize handled. OID's fixes.
637 Prefix query parser reports "fail" when bad attribute set is given.
639 Fix in MARC decoder. Proximity logging. Fix for attribute set
640 in scan handler for server. Patches by Shigeru Ishida.
642 SSL/COMSTACK updates. cs_rcvconnect completes SSL handshake. ZOOM
645 Configure option --with-openssl=<dir> now works when a directory is
646 specified. Patch provided by Morten Bøgeskov.
648 New option for YAZ client, -u <auth>, that sets authentication.
650 ZOOM fix: error information was sometimes "missing", since error
651 was cleared/reset too when it shouldn't.
653 ZOOM_record_get returns ISO2709 buffer when "raw" is given.
657 Scan for ZOOM API. New object ZOOM_scanset. New functions
658 ZOOM_connection_scan, ZOOM_scanset_size, ZOOM_scanset_term and
659 ZOOM_scanset_destroy.
661 New ZOOM function, ZOOM_connection_last_event, that returns type
662 of last event (such as "receive data", "send data", "apdu received",
665 New ZOOM option, schema, that specifies schema for retrieval.
667 New CCL feature. Qualifiers can be aliases for one or more
668 other qualifiers (if more than one is given, OR is used).
670 ZOOM uses named result sets if target supports it.
672 Two new YAZ client commands: . (dot, which sources a script of YAZ
673 client commands), and ! (to execute shell command.). Implemented
676 Working on Debian packages.
680 YAZ client enables named result sets only if target supports it.
682 *** ZOOM. Prefix for ZOOM definitions changed from Z3950_ to ZOOM_.
684 * ZOOM. Removed Z3950_connection_host. Use Z3950_connection_option_get
685 with key="host" to get same result.
687 * ZOOM. Added Z3950_record_clone and removed Z3950_resultset_get.
688 Function Z3950_resultset_record(s) returns references to records
689 "owned" by resultset. To become owner use Z3950_record_clone.
691 Function z_ext_record handles Extended Services. Thanks to
696 CCL Parser fix: ignore token comma when dealing with and-lists.
698 Documentation updates for COMSTACK.
700 * ZOOM changes. Query object renamed from Z3950_search to Z3950_query.
701 Changed prototype Z3950_records. For some functions, int parameters
702 were changed to size_t.
704 TCP/IP COMSTACK no longer uses getprotobyname to avoid memory leak
707 New MARC decode/display function, marc_display_exl, which properly rejects
708 non-ISO2709 records. YAZ client uses it.
712 Fix bug: local attribute set wasn't set correctly in PQF strings.
716 * Old Z39.50 codecs no longer supported.
718 Added ZOOM C binding. See http://zoom.z3950.org/
720 Renamed states for COMSTACKs to avoid confusion with events.
722 Implemented cs_look and proper cs_rcvconnect.
724 Fixed COMSTACK error that occurred on HPUX. Fix by Giannis Kosmas.
726 Configure detects POSIX threads on OpenBSD.
728 When sort flag 'i' was specified in yaz-client the caseSensitivy flag
729 was set to a wrong value. Thanks to Robert Sanderson for reporting this.
731 When error is returned from present handler, non-surrogate diagnostic
732 is returned in present response (and fetch handler is no longer called).
734 * Minor adjustments to pquery parser (PQF). Token characters may be
735 escaped by using backslash (C-style).
737 PQF parser allows string attribute values to be specified. For @attr,
738 non-numeric characters after the equal-sign are treated as strings
739 (e.g. @attr 9=title).
741 CCL trunction character may be defined (@truncation in file)
743 * function zget_ExtendedServicesRequest sets waitAction to
744 waitIfPossible (was wait).
746 Added cs_set_blocking to set change blocking mode of a COMSTACK. Thanks
749 CCL operator names may be set in field definition files (CCL_bibset).
750 See ccl/bib1 for an example.
752 Fixes in ASN.1 compiler for C++ compatibility.
754 * Renamed members "and" and "or" in struct Z_Operator to "op_and"
755 and "op_or" to avoid conflict with C++.
757 Fixed problem with GNU readline detection on Redhat 7.0.
759 Added step-size for Scan backend handler.
761 Fixed bug that made the frontend server crash when no attribute
762 set was specified for scan.
764 Front-end server automatically switches to original working directory
765 when installed as an NT service. Previously -w had to be specified to
768 Added extended attributes for retrieval module (data1), so that data1
769 records carry d1_readXML/SGML attributes. d1_read also supports
770 null-data rules ( <tag/>)
772 On UNIX when POSIX threads are available, a separate library libyazthread
773 is created. Programmers should link with that library and the yaz library
774 when using threads. The reason for the split was that some applications
775 on Linux, such as Apache, doesn't work well when using shared objects that
778 Added SSL support for the COMSTACK. You start yaz-client and yaz-ztest
779 (or any frontend server) in SSL mode by specifying ssl: followed by
780 address. Only tested on UNIX.
782 Added feature for CCL module. Virtual structure s=al or s=ol generates
783 and-list and or-list respectively instead of phrase search.
787 * Added prefix "yaz_" for the functions log_init.., log_file.. and
788 log_mask_str. This was done to avoid name conflicts with other libraries
789 (such as other PHP extensions).
791 Added raw OID member for preferred record syntax (request_format_raw)
792 and returned record syntax (output_format_raw) for backend fetch method.
794 Config file yaz-config now accepts options so that it returns specific
795 compile settings, etc. Thanks to Morten Bøgeskov <morten@bogeskov.dk>
797 Shared library support for UNIX using GNU libtool.
799 * Modified backend interface. Request/Response struct's replaced by
800 one read/write C struct. For example bend_fetchrequest and
801 bend_fetchresult have been replaced by single bend_fetch_rr struct.
802 Every handler - even search has to be registered in bend_init
803 handler. This means that the YAZ library no longer refers to
804 external functions and it makes it possible to make the whole
805 thing a single DLL/SO.
807 Added Segment handler for backend server.
809 Added Zmbol/Zebra administrative functions to YAZ client.
811 Threaded frontend server on UNIX (when POSIX Threads are available).
812 Starting the server with option -T enables multi-threading.
816 Added configure option --enable-comp/disable-comp to control use
817 of YAZ ASN.1 compiler. Use --disable-comp to use the old *coders
818 located in sub directory asn.
820 YAZ ASN.1 compiler renamed to yaz-comp in sub directory. It's installed
821 in ${exec_prefix}/bin along with the other programs yaz-client and
824 GNU automake used to maintain makefiles.
828 Changed retrieval module so that we can load records with no abstract
829 syntax defined. Tagpaths in these records are fully composed of string
832 Implemented ISO ILL protocol. Refer to stuff in sub directory ill.
836 On UNIX, the generated makefile now supports a proper 'make install'.
837 The prefix can be set via GNU configure to set the install location
838 (default is /usr/local).
840 * YAZ programs client and ztest were renamed to yaz-client and
841 yaz-ztest to avoid conflicts when users install YAZ in "standard"
842 locations, such as /usr/bin,/usr/local/bin,etc.
844 * YAZ Header files were moved from include to include/yaz. YAZ Header
845 files are referred to as include <yaz/log.h> rather than <log.h>.
846 The YAZ include path (-I ..) is therefore the same as before. Programmers
847 should update their #include statements or use -Ipath/include/yaz
848 instead. The main motivation for doing this change is that YAZ header files
849 can be installed in "standard" locations /usr/include,/usr/local/include
850 without introducing conflicts, since ALL YAZ header files are stored
851 in subdirectory yaz (under /usr/include for example).
853 Compilation of YAZ for WIN32 is now handled by an nmake-style makefile
854 rather than project/workspace files. We switched because project files
855 are incompatible between Visual C++ 5 and 6. Refer to windows.txt for
858 Changed name of logging function, logf, to yaz_log, to prevent name
859 clash with some math-log functions. The YAZ header log.h defines logf
860 to yaz_log (#define) so there should be no incompatibilities by this
863 Added bend_start/bend_stop handlers for server. These handler are
864 called on start/stop of server. For windows they are called whenever
865 a service is started/stopped.
867 * YAZ now auto-generates decoders/encoders for the Z39.50 protocol using
868 a fairly small ASN.1 compiler written in Tcl. The compiler is located
869 in util/yc.tcl. The auto-generated C code structures are, in a few
870 cases, incompatible with the old decoders. There are differences in the
871 following C structures Z_DiagRec, Z_External, Z_SortRequest, Z_SortResponse,
872 Z_AttributesPlusTerm, Z_ProximityOperator, Z_DefaultDiagFormat.
873 The preprocessor variable ASN_COMPILED is defined when the compiled
874 ASN.1 is being used. Encoder/decoder routines as well as the Z39.50
875 protocol ASN.1 is located sub directory <tt>z39.50</tt>. If you
876 wish to use the old encoders/decoders you can specify --disable-yc
879 Assigned OID for old DB Update (VAL_DBUPDATE0). Updated YAZ compiled
880 version so that it supports both new - and old version of DB Update
882 * Added 'name' parameter to ODR encoder/decoder routines to facilitate
883 pretty ODR print. Updated whole Z39.50 encoder/decoder to reflect the
884 change. The name parameter can be set to 0 in which no name is specified
885 for the construction. The macros odr_implicit and odr_explicit sets name
886 parameter to zero for the construction involved. New macros
887 odr_implicit_tag and odr_explicit_tag are similar to the others,
888 except that a name parameter is added. For programmers' that don't use
889 ODR they probably only need to change the call to z_APDU and z_External.
891 Added access control facility by interfacing the TCP wrapper library.
892 YAZ automatically attempts to find the TCP wrapper Library (-lwrap) and
893 tcpd.h on Unix systems. For the server, option -d<daemon> specifies the
894 name of the daemon and enables the access control as specified in
895 hosts.allow/hosts.deny. Refer to man pages tcpd(8) and hosts_access(5).
897 Fixed memory leak in ccl_find_str and ccl_qual_rm. Thanks to Hans van
898 den Dool <H.M.vdnDool@kub.nl>.
900 Added reference ID parameter to most functions in server API - refer
901 to backend.h. Thanks to Hans van den Dool <H.M.vdnDool@kub.nl>.
903 Changed name of ccl library to libccl.a (was ccl.a).
905 Fixed bug in decoder for Explain (Category TargetInfo).
907 Added support for GNU readline in client. Thanks to Jacob Poulsen
908 <ja7@dbc.dk>. GNU configure attempts to detect if readline is available.
910 * CHANGED DEFINITION OF ES: UPDATE (INCLUDING THE OID) to reflect the
911 new definition from the ZIG. NOTE THIS IF YOU HAVE AN UPDATE
912 IMPLEMENTATION! This change was made to the development version before
913 the ZIG decided to retract the amendment. If any users MUST be
914 compatible with the original Update definition, PLEASE CONTACT US, and
915 we will include a separate definition corresponding to the old Update
916 ES. Note that because of the change to the ASN.1 of the
917 TaskPackageRecordStructure we cannot define a single structure that
918 will support both versions.
920 * Added const modifier to buffer parameter for some ODR/BER encoding
921 routines: ber_dectag, ber_declen, odp_more_chunks, completeBER,
922 completeWAIS, odr_dumpBER.
924 Fixed bug in client.c which caused a crash when a scanResponse didn't
925 contain positionOfTerm.
927 * Fixed inconsistency in the ScanResponse/ListEntries protocol. This
928 * will cause an error in a client if a non-YAZ target sends both a
929 * list of Scan entries and non-surrogate diagnostics.
931 Retrieval module enhancements. Tag sets may be typed in the reference
932 to it. From the .abs-file the "tagset" directive takes a third optional
933 integer type for the tag set referenced. From a .tag-file the "include"
934 directive takes a third optional type as well. The old "type" directive
935 in the tag set itself is still recognized but acts as the default type
938 Backend interface change. Individual Scan terms returned from bend_scan
939 may also be tagged as Surrogate Diagnostics. Refer to struct scan_entry
940 in include/backend.h.
942 Retrieval module enhancements. Multiple tag sets and attribute sets may
943 be specified in abstract syntax specs. Revised the error/warning for
944 logging messages reported by the retrieval module when reading the
947 Object Identifier system (oid_..) changed. The API is backwards
948 compatible but the oid-routines now allocates new OID's when needed.
949 Raw OID's may be specified in oid_getvalbyname.
951 YAZ now uses GNU configure to generate Makefile(s).
953 * Minor changes in some of the member names of DeleteResultSetRequest and
954 DeleteResultSetResponse. See include/proto.h.
956 * Changed some C definitions regarding EXPLAIN record syntax (prt-exp.h)
957 and added member 'languages' in TargetInfo (which was missing).
959 Changed the way attribute sets are handled in the retrieval
960 module. These are now cached, just like the abstract syntaxes
963 Changed YAZ so that it links with compiled ASN.1.
965 Added Explain-schema definitions and mapping routines. The following
966 Explain categories have been implemented: AttributeDetails,
967 AttributeSetInfo, DatabaseInfo, CategoryList and TargetInfo.
969 Fixed minor bug in Windows version of Server Library.
971 --- 1.4pl2+ 1998/4/17 (Released with Zebra)
973 Added Extended Services to server (backend.h). Thanks to Charles Woodfield.
975 Added EXTERNAL: UNIverse Resource Report (non-standard).
977 Implemened odr_enum and odr_set_of functions to handle ASN.1 types
978 ENUMERATED and SET OF.
980 * Added 'const' to some of the char pointer arguments for the
981 functions, data1_read_node, data1_getelementbytagname,
982 data1_insert_taggeddata, data1_getesetbyname, data1_getelementbyname,
985 Fixed bug in data1_insert_taggeddata - the last_child member of
986 parent wasn't initialised.
988 * Changed data1_read_record and data1_read_node so that the supplied
989 "SGML"-buffer is read-only. In particular the resulting data1 - tree
990 doesn't refer to any parts of the "SGML"-buffer.
992 Fixed bug in server library (Windows version of statserv_remove).
994 * Changed code so that it compiles as C++. The type definition
995 of Odr_fun which is a member of Odr_arm was changed. The result is,
996 that an explicit typecast is needed for the fun pointer when
997 using Odr_arm - as in:
998 {1, -1, -1, Z_IdAuthentication_idPass, (Odr_fun)z_IdPass},
1000 Updated TagSet-G and -M definitions (tagsetm.tag and tagsetg.tag).
1002 Implemented the new structured date and time definition as approved
1003 by the ZIG. Added schemaId element to the specificTag in Espec-1
1004 (also approved at the last ZIG). Thanks to RVDM.
1006 Added some Object identifiers (RVDM).
1008 Changed the Update Extended Service (RVDM).
1010 Added command "refid" to client which specifies referenceId for
1011 the following requests.
1013 Implemented extended service handling for server. See ztest.c
1014 for an example as well as backend.h. New handlers are registerd
1015 in the Init handler.
1017 * Changed interface for sort in server.
1019 Added new members to statserv_options_block. It allows a server
1020 to read options from another source than just the command line. Thanks
1021 to Charles Woodfield.
1023 * Changed definition of Z_Triple in file prt-grs.h - member boolean
1024 renamed to zboolean. Some C++ compilers complained about the name.
1026 Minor changes to gils.abs. Added index 's' (sort) on title
1027 and date/time-last-modified.
1029 --- 1.4pl2 1998/1/30
1031 Fixed bug in server library regarding inetd mode (-i). This bug
1032 was introduced by release 1.4.
1034 --- 1.4pl1 1998/1/29
1036 Added sort facility in client and backend server interface.
1038 Fixed problem with dependencies in Makefile(s).
1040 Fixed bugs for encoders/decoders of extended services and
1043 Implemented sub-tree feature for schemas. Sub-trees are
1044 referenced in *.abs-files. See explain.abs for an example
1045 of the use of this feature.
1047 Modified bib1.att; local attributes for ANY didn't include
1048 ANY itself (only affects use of the retrieval module).
1050 Fixed bug in plain SGML reader in function data1_read_node:
1051 tags with prefix "var" was incorrectly interpreted as variants.
1053 Added feature "sub-schemas" to enable references to - and definitions
1054 of - group of elements.
1056 * Removed member parent from type data1_element (in data1.h).
1058 Implemented function odr_nullval() that returns the value of
1061 * Removed member num_children from data1_node (in data1.h).
1063 Made NT service interface part of the server library. The
1064 function statserv_main uses the NT service when required and
1065 calls the statserv_start / statserv_close routines.
1067 Routine zget_SearchRequest and zget_PresentRequest fills
1068 resultSetName/Id member with "default" instead of "Default".
1070 Fixed memory leak in server. Request queue member wasn't freed.
1072 Fixed nmem_exit so that memory is freed.
1076 Revised the CCL parser utility to be thread safe.
1078 Added function, oid_ent_to_oid, to replace the function
1079 oid_getoidbyent, which is not thread safe.
1081 * Added nmem_init and nmem_exit to initialize and release
1082 NMEM resources. Function nmem_init should be called once in the
1083 initial thread before NMEM/ODR is used. statserv.c and client.c
1084 have been changed accordingly. The change was necessary to make
1085 NMEM thread safe. The NMEM memory pool is shared amongst threads
1086 in a process. Unix-based applications will still work fine without
1089 Added NT Services interface for the the Z39.50 (statserv) Server.
1090 Refer to the ztest.c source on the usage.
1092 Windows 95/NT port using MSVC5.0. Project files are included in the
1095 * Defined new 'global' handle for the retrieval (data1) system. The
1096 new handled, data1_handle, describes the state of the data1 system.
1097 This handle is passed as first argument to virtually all
1098 data1 related routines. The functions data1_create and data1_destroy
1099 creates and destroys a data1 handle respectively.
1101 Added ODR encode stream member to all backend request structures
1102 init, search, scan etc. This stream should be used to allocate all
1103 memory used for the response when thread safe operation is needed.
1105 Changed the comstack utility, cs_addstr, to be thread safe. The
1106 returned hostname string returned by the function is now part the
1109 Added comstack utility, cs_straddr, which replaces the tcpip_strtoaddr
1110 function. The cs_straddr takes a COMSTACK handle as argument, so this
1111 function must be used after cs_create and before bind/connect.
1112 This function is thread safe.
1114 Moved test server to 'ztest' directory - generic server code still
1115 in 'server' directory.
1117 Made prefix query (pquery.c) utility thread safe.
1119 Added new function modifier YAZ_EXPORT to 'export' public DLL
1120 functions when using windows (see include/yconfig.h).
1122 Added definitions to the OID database (util/oid.c) (RVDM).
1124 Added new BIB-1 diagnostic messages to the handler diagbib1_str.
1126 Added call to ccl_rpn_delete in client program.
1128 Added ODR argument to ccl_rpn_query and ccl_scan_query to provide
1129 release of RPN structure.
1131 Added support for C++, headers uses extern "C" for public definitions.
1132 With input from RVDM.
1134 In handling of SEQUENCE OF: Counter set to zero when SEQUENCE OF is absent.
1135 Thanks to Ronald van der Meer (RVDM).
1137 Added initializers (zget_ routines) for a number of PDUs. Thanks to RVDM.
1139 Added support for private extensions to the OID database
1140 (oid_setprivateoids()). Thanks to RVDM.
1142 Added optional, physical ANY (key replication)
1144 Fixed null-reference problem in GRS-1 output filter.
1146 Proximity operator added to Prefix Query Format (PQF).
1148 In test client command "base" accepts multiple databases.
1150 Fixed bug in cs_close stack that caused trouble with WINSOCK.
1154 Fixed tagging bug in ResourceReportResponse PDU encoder/decode.
1156 Smallish bug-fixes in the new encoders/decoders (explain).
1158 Bug fixed in DeleteRequest.
1160 Fixed tagging bug of type 101 query in SearchRequest-Query PDU encoder/decoder.
1162 Fixed tagging bug in ResourceReportResponse PDU encoder/decode.
1164 Added SOIF syntax (using private OID for now) to retrieval module and client.
1166 Added Update extended service.
1168 Added SearchResult-1 additional info structure.
1170 Added optional CCL (ISO8777) interpreter as separate module. Available
1173 --- 1.2 1996/6/10 (1st anniversary release)
1175 Added Summary record syntax. Lightly tested.
1177 Added OPAC record syntax. Untested.
1179 Added ResourceReport service encoders/decoders. Untested.
1181 Fixed bug in z_Unit - wrong tagging on unitSystem.
1183 Fixed bug in the DiagRecs decoder.
1185 Added options for max PDU size and session timeout to frontend-server.
1187 Added documentation of query-language parsers and other supporting utilities.
1189 [frontend-server] Added Attribute set to the bend_scanrequest API.
1191 [frontend-server] NextResultSetPosition was sometimes set incorrectly when
1192 surrogate diagnostics were generated.
1194 [retrieval] Allow multiple local values for attribute.
1196 [retrieval] Allow multiple attributes per element in .abs files. index type.
1198 [retrieval] Added Summary tagset, abstract syntax, and d1-node/ASN filter.
1200 --- 1.1pl2 1996/4/10
1202 Minor changes, mostly specific to Zebra's requirements (retrieval)
1206 Repaired bug in frontend server when running multiple listening
1207 endpoints in dynamic mode.
1209 z_External() now won't break if a known, ASN.1 value comes encapsulated
1210 in an octet-string. The value will pass through unmodified in an Odr_oct.
1212 Added a bit of code to the demo client to decode & display
1213 ASN.1-structured records represented in the octet-aligned branch of
1214 the EXTERNAL CHOICE. Thanks to CAS for prodding us to finally do this.
1216 Added z_ext_getentbyref() to the ASN module. Doc updated.
1218 * Completed the SCAN definition in the ASN module. This may break SCAN
1219 code based on older YAZ-versions at compile-time. The fix is easy -
1222 * Added 'displayTerm' and OtherInformation to the TermInfo structure
1223 under the SCAN definition. Remember to initialize this, server-people.
1225 Comstack should now support the WAIS protocol in TCP/IP mode. Note
1226 that this does not extend to ODR and ASN.
1228 Comstack allows insertion of established socket (primarily for
1229 inetd-operation of servers). Doc updated.
1231 Front-end server can now start from the inetd in TCP mode. Doc
1234 --- 1.0pl4 1996/1/24
1238 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
1239 the rank and record number.
1241 Adjustments to the frontend server.
1243 Fixed diagnostic BER dumper. It ignored the file argument.
1247 Various changes to retrieval module.
1249 Changed the union discriminators of the protocol files from enums to
1250 ints paired with #defines.
1252 *Changed oident.class to oident.oclass to avoid a reserved word in C++
1255 *Changed operator in the RPN structure to 'roperator', again to avoid a
1258 Fixed problems in Explain decoders/encoders.
1260 --- 1.0pl2 1995/12/6
1262 Memory bug in log module fixed.
1264 --- 1.0pl1 1995/12/5
1266 Occasional malloc() of 0 bytes fixed in d1_espec.c.
1268 Bug in Explain DatabaseInfo module fixed.
1270 Some '\r' snuck into one or two of the ret'l config tables. A curse on Windows.
1274 The shift to v1.0 signals that we now consider the *core* functionality
1275 of YAZ reasonably stable (the core being more or less equivalent to
1276 Z39.50-1992). Some of the really nifty v3 stuff is still not heavily
1277 tested (Explain not at all - though that will happen soonish).
1279 Minor changes to code to support Windows port.
1281 Various minor changes after we're getting to use GRS-1 & co. more.
1283 Added Espec-1 format.
1285 Added VisibleString field body type to GRS-1. It is illegal acc. to my copy
1286 of the protocol and it cannot be selected when encoding (maps into 'string'
1287 when decoding). Needed to talk to some servers.
1289 Demo client can request simple element set names.
1291 Added Diagnostic Format encoders/decoders.
1293 Added simple Close handling to frontend server (no hooks for resource
1294 reporting yet), and demonstration client.
1296 Added cs_addrstr() command to COMSTACK to retrieve peer hostname/address.
1298 --- 1.0b3 1995/08/24
1300 Fixed bug in the frontend-server. The numberOfRecordsReturned field was
1301 handled incorrectly when records were requested in the searchResponse. This
1302 will only affect you if you use the frontend-server.
1304 Added GRS-1 encoders/decoders to the service-level API. Lightly tested.
1305 Test-client will ask for and print GRS1. Ztest will return dummy records
1308 Added Explain encoders/decoders to the service-level API. Untested.
1310 Added Extended Services: Item Order encoders and decoders to the Service-
1311 level API. Untested. We could use a recent copy of the pertinent bits
1312 of the ILL protocol to add those bits.
1314 Added diagnostic format 1 encoders/decoders to the service-level API.
1317 Moved pretty-printing of structure-wrappers ({..}) from odr_seq.c to
1318 odr_cons.c, which causes a more correct output.
1320 Fixed handling of searchRequest in frontend server. NextResultSetPosition
1321 was always set to 0 when no records were requested in the searchRequest.
1323 * Added better external-handling. This shouldn't harm old code that
1324 *encodes* externals. It can break code that looks for a
1325 'single-ASN1-type' representation, since those types that are known
1326 are now decoded immediately. Look at the SUTRS sample code in
1327 seshigh.c and client.c. Documentation updated.
1329 Handling of structured records in bend_fetchresponse. Length -1 marks
1330 structured record, type is deduced from format field.
1332 --- 1.0b2 1995/06/27
1333 Fairly quick maintenance release to add SUTRS support.
1335 Fixed handling of SUTRS records in the demonstration client.
1337 * Added format field to the bend_fetchrequest and bend_fetchresponce
1338 structures of the backend API (frontend server). When the record is
1339 returned, the value of the format field is mapped to an OID. The
1340 value VAL_SUTRS will also cause a slightly different ASN.1 packaging
1341 of the record. The special value VAL_NONE in the bend_request means
1342 that no specific format was requested by the client. Documentation
1343 updated accordingly. Test server (ztest) will return a fixed dummy
1344 SUTRS record if your client requests SUTRS.
1346 Documentation updated accordingly.
1348 You can now set external libraries and RANLIB support in the top-level
1352 First public release.