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ReleaseNotes.txt
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ReleaseNotes.txt
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======
XRootD
======
Release Notes
=============
--------------
Version 4.10.0
--------------
+ **New Features**
* **[POSIX]** Add methods to the cache mngt objecT to get status of a
cached file.
* **[Server]** Allow better handling for proxy caching clusters.
* **[Server]** Allow configurable posc sync level.
* **[Server]** Implement framework for a kXR_prepare plug-in.
* **[XrdCl]** Implement streaming dirls, closes #225
* **[XrdCl]** Retry policy changes: see details in #950.
* **[XrdCl]** Add switch/flag to enforce zip archive listing.
* **[XrdCl]** Preserve tried/triedrc cgi info on redirect for kXR_locate
request, #closes #944
* **[XrdCl]** Expose prepare abort and query prepare.
* **[Python]** Expose chunked dirlist API in Python.
* **[Python]** Support globbing.
* **[XrdClHttp]** Add XrdClHttp submodule.
* **[XCache]** Implement write-queue number of blocks / threads config
options. (#963)
* **[CMake]** Add switch for XrdCl builds only.
+ **Major bug fixes**
* **[XrdCl]** Allow to cancel classical copy jobs.
* **[XrdCl]** Fix race condition in error recovery.
* **[XCache]** Check for errors during XrdOssFile::FSync - do not write
cinfo file if it fails.
* **[XCache]** Deny write access to a file in initial Prepare() call,
fixes #663
* **[XCache]** Review and correct error handling in POSIX and XCache,
implement XCache::Unlink()
* **[XrdTpc]** Always query dual stack for HTTP TPC.
* **[XrdTpc]** Do not include authz header in the filename.
* **[XrdHttp]** Include provided opaque information in the redirection.
* **[XrdSecgsi]** Make proxy cache path aware.
+ **Minor bug fixes**
* **[XrdCl]** Use DirList with Locate and Merge flag in xrdcp
* **[CMake]** Enable by default rpaths on MacOSX.
* **[Server]** Use correct directory path creation flag in kXR_open
(compatible).
* **[Server]** Require localroot to exist and be a directory for default N2N.
* **[SSI]** Close loophole between internal "provision" and Finished()
calls.
* **[POSIX]** Correct pfn to lfn translation for the simple case.
+ **Miscellaneous**
* **[XrdCl]** Enhance redirect back-trace output.
* **[Python]** Respect pip python version when installing xrootd, fixes #955.
* **[Python]** Respect pip --user switch, fixes #952
* **[CMSD]** Allow redirect when limit exceeded in sched directive.
* **[Packaging]** Add support for Ubuntu disco.
* **[Packaging]** Discontinue support for Ubuntu artful.
* **[XrdCeph]** Replace XrdCeph source code with a submodule.
* **[XCache]** More reasonable defaults for pfc.writequeue parameters.
* **[CMake]** Declare CMake options, fixes #995
* **[CMake]** Set -Werror for debug and CI builds only.
-------------
Version 4.9.1
-------------
+ **Major bug fixes**
* **[POSIX]** Fix VMP issues with POSIX preload library causing SEGV.
* **[POSIX]** Additional hardening of POSIX functions for Xcache.
* **[XrdCl]** Make sure local destination path is not scrambled,
fixes #925
* **[XrdCl]** Fix memory leak in AsyncSocketHandler.
* **[XrdCl]** Fix recursive copy.
* **[XrdCl]** Make sure released SID is valid object.
* **[XrdCl]** Correctly calculate the offset of the last file in ZIP64.
* **[Server]** Liberalize character set allowed in login name (fixes
EOS issue).
* **[Server]** Save the proper ReqID for async responses on close.
* **[Server]** Handle waitresp sequencing to avoid early bridge
termination.
* **[XrdHttp]** Only consider running plugins for new requests.
* **[XrdHttp]** Handle clients that request multiple checksums.
* **[XrdHttp]** Do not accept more data than specified in the HTTP
request.
* **[XrdHttp]** Fix high memory usage caused by cached XrdHttpProtocol
objects.
* **[XrdSecgsi]** Fine tune message bucket content.
* **[XrdSecgsi]** Make sure options for proxy saving to file are honored.
* **[XrdSecgsi]** add missing entries in gsiClientStesp and gsiServerSteps.
* **[Python]** Ensure Python module doesn't deadlock/segv on exit,
fixes #330
* **[XrdMacaroon]** Create macaroon with proper caveats and path.
* **[Proxy]** Improve handling of failures during opening of local data
and cinfo files.
* **[Proxy]** Fix memory leak - block was not freed when writing to
disk failed.
* **[XrdTpc]** Only use Curl's low-speed-limit with libcurl v7.38
and later.
+ **Minor bug fixes**
* **[Server]** Fix bridge waitResp issues to allow merge of pull #902.
* **[Server]** Further simplify tracing, especially for var persistece.
* **[Server]** Fix strlcpy for Group null-string in XrdOfsTPC.
* **[XrdMacaroon]** Log user caveats with macaroon generation.
* **[XrdMacaroon]** Allow admin to customize default macaroons authz.
* **[XrdMacaroon]** Set the macaroons.onmissing default.
* **[XrdMacaroon]** Interact with json-c appropriately for request.
* **[XrdMacaroon]** Ensure we delete macaroon object after use.
* **[XrdHttp]** XrdHttp does not support chunked encoding; respond
appropriately.
* **[POSIX]** Fix string scoping issues in debug messages.
* **[XrdSecgsi]** Downgrade error msg from key file issues to DEBUG.
* **[XrdSecgsi]** Improve buffer content dumps for debugging purposes.
* **[XrdCl]** Use correct flag to remove handler in inqueue.
* **[XrdCl]** Log properly kXR_waitresp, closes #852
* **[XrdCl]** Fail ZIP extraction if file is compressed.
* **[XrdHttp]** Don't assume that a header "Depth: 1" means that the
resource is a directory.
* **[Python]** Expose parallel copy jobs in python bindings.
* **[Python]** Expose multi-source download in python.
+ **Miscellaneous**
* **[XrdHttp]** Add support for chunked encoding in uploads.
* **[XrdHttp]** Implement RFC 3230 digests for GET requests.
* **[Packaging]** Add xrootd-fuse deb package, closes #831
* **[XrdCl]** Add more descriptive error message on XrdCl::CopyProcess:run,
closes #849
* **[XrdCl]** Add special logs for future debugging of BNL problem.
-------------
Version 4.9.0
-------------
+ **New Features**
* **[XrdCl]** Provide operation pipelining API.
* **[XrdCl]** Redirect traceback dump.
* **[XrdCl]** Allow specifying plug-ins on protocol level
* **[XrdCl]** Pass # streams to TPC destination.
* **[XrdCl]** Enable proxy delegation.
* **[XrdCl]** Enable state redirection for local files.
* **[XrdCl]** Add an API to close connection.
* **[XrdCl/Server]** Implement TPC-Lite for delegated TPC copy.
* **[XrdCl/Server]** Implement kXR_writev operation.
* **[Server]** Allow tpc requests at destination endpoint to be redirected.
* **[Server]** Add &I=<iptype> to 'u' login monitoring record.
* **[Server]** Allow spaces in id's via acc.spacechar.
* **[Server]** Allow space preassignment of file creation paths.
* **[Server]** Identify type of IP connection in monitoring (&I=4|6 in
'u' record).
* **[Server]** Enable use of delegated credentials for 3rd party copy.
* **[Server]** Allow callbacks for close() and opague() requests.
* **[Server]** Allow the CKS manager to run on the redirector.
* **[Server]** Allow config continuation to files in a directory.
* **[Server]** Add 'query confg start' to find server start time.
* **[SSI]** Add ability to spread requests to increase parallism.
* **[SSI]** Add monitoring capabilities to SSI.
* **[SSI]** Properly handle Finished() calls prior to response posting.
* **[XrdSsi]** Provide summary monitoring information to report stream.
* **[TPC]** Allow number of streams to use to be passed to the server.
* **[TPC]** Support Http TPC.
* **[XrdHttp]** Added XrdHttp cipherlist filter string config option.
* **[XrdHttp]** Map Xrd error codes to HTTP status codes
* **[XrdHttp]** Add plumbing necessary for RFC3230 digest requests.
* **[XrdSecgsi]** Use hostname, not reverse DNS, for address comparison.
* **[XrdSecgsi]** Allow XrdSecGSITrustDNS setting to disable use of all
DNS lookups.
* **[XrdSecgsi]** Add option to save delegated proxies as credentials.
* **[XrdSecgsi]** Improved checking of CA expiration.
* **[XrdSecgsi]** Review proxy delegation mechanism.
* **[XrdSecgsi]** Support signing of server DH public parameters.
* **[XrdCrypto]** Allow XRootD client to accept subjectAltNames.
* **[XrdMacaroons]** Macaroons plugin for XRootD.
* **[Proxy]** Implement new options in pfc.diskusage for better control
of purging.
* **[Proxy]** Support origins that only talk http.
* **[Proxy]** Add 'pss.tid' CGI element to all outgoing URL's.
* **[Proxy]** Implement new options in pfc.diskusage for better control of purging.
* **[POSIX]** Implement Cache Context Management plugin.
* **[XrdApps]** Implement xrdqstats command to display summary monitoring.
+ **Major bug fixes**
* **[XrdCl]** Handle properly seerver disconnect.
* **[XrdCl]** apply TPC timeout to the 2nd sync, fixes #800
* **[XrdCl]** Parse correctly CDFH ZIP64 extension.
* **[XrdCl]** Correct ownership of virtual redirect msg.
* **[SSI]** Do not leak memory when a fatal error occurs. Fixes #775
* **[SSI]** Avoid race condition between Finish() and SetResponse().
* **[Server]** Avoid SEGV when the close operation fails.
* **[Server]** Fix SEGV when using delegation and VOMSFUN with raw creds.
* **[POSIX]** Avoid SEGV due to race condition between open() and close().
* **[POSIX]** Correct regression that broke POSIX preload.
* **[Proxy]** Support multiple IO objects working with the same file.
* **[Proxy]** Fix incorrect rc check when processing Fstat() (disabled progbar).
+ **Minor bug fixes**
* **[Server]** Follow protocol spec when returning file compression info.
* **[Server]** Fix checksumming on filesystems that don't support fattr.
* **[XrdOfs]** Prevent double-parsing of parameters for ofs.ckslib.
* **[XrdCl]** Correctly set path in case of state redirect.
* **[XrdCl]** Correct handling of --infiles option. Fixes #779
* **[XrdCl]** Don't read past buffer when parsing protocol response.
* **[XrdHttp]** Fix error codes in the case of PUT and MKDIR.
* **[XrdHttp]** Support mv for files with spaces.
* **[XrdHttp]** Return correct content-range header.
* **[Secsss]** Pass correct parameters when registering an ID. Fixes #689
+ **Miscellaneous**
* **[XrdCl]** Delete channel on TTL.
* **[Server]** Do not allow badly formed CGI to pollute subsequent tokens.
* **[TPC]** Do not take case into account for hostname matching.
* **[TPC]** Allow source protocol to be transmitted to server via tpc.spr CGI.
* **[TPC]** Set envars XRD_TRACEID, XRDTPC_SPROT, and XRDTPC_TPROT
* **[Proxy]** Avoid auth failure due to URL cgi directives.
* **[Proxy]** Add method to cache to get local file path of cached file.
* **[Proxy]** Fix wrong logic in cache purge algorithm.
* **[Proxy]** Resolve conflicts in URL rewriting.
* **[POSIX]** Avoid unnecessary cache open requests.
* **[XrdCrypto]** Replace C-style string manipulation with C++ equivalent.
* **[Secgsi]** Implement stricter version of RFC2818 (host name check) for
client.
* **[Secgsi]** Enable use of an unique IV in enc/dec cipher operations.
* **[XrdHttp]** Break XrdHttp into a module and a utility library.
* **[XrdHttp]** Expose query string in external req handler.
* **[XrdThrottle]** Update the throttle plugin to propogate underlying
errors.
* **[XrdThrottle]** Improve chaining behavior of throttle plugin.
* **[RPM]** Use OPENSSL_NO_FILENAMES flag.
* **[Docs]** Update Doxyfile, closes #743
* **[All]** Place protocol definition under a modified BSD license.
* **[All]** FreeBSD compatibility patch.
-------------
Version 4.8.6
-------------
+ **Major bug fixes**
* **[XrdCl]** Make sure released SID is valid object.
* **[XrdCl]** Handle properly server disconnect.
-------------
Version 4.8.5
-------------
+ **Major bug fixes**
* **[XrdCrypto]** add protection against missing extension.
* **[XrdCl]** Ensure DeepLocate counter doesn't overflow, fixes #758
* **[XrdCl]** Fix recursive copy, fixes #792
* **[XrdCl]** Correctly classify errno while reading/writing to
a socket.
* **[XrdCl]** Fix local checksum double I/O problem.
* **[XrdHttp]** Fix callback of protocol plugin after bridge delay.
* **[XrdHttp]** Obey the `Connection` request header.
* **[XrdHttp]** Reset filesize when the XrdHttpReq object is used.
* **[XrdHttp]** Do not increment reqstate when headers are incomplete.
* **[Proxy]** Fix incorrect rc check when processing Fstat().
+ **Minor bug fixes**
* **[XrdCl]** xrdfs ls: fix formatting issue,fixes #823
* **[XrdCl]** If stream is broken delete the in-message.
* **[XrdCrypto]** fix signatures of Export methods.
+ **Miscellaneous**
* **[XrdCl]** Expose kXR_cancel flag in FileSystem::Prepare, closes #699
* **[XrdCl]** Specify file for extraction from ZIP archive also
through opaque info.
* **[XrdCl]** Document xrdcp/xrdfs return codes, closes #628
* **[XrdCl]** Explicitly log request retries, closes #690
* **[XrdCl]** Remove redundant stat from ZIP open sequence.
* **[XrdCl/XrdSec]** Add CGI to specify 'sss' keytab.
* **[XrdSecsss]** Add possiblity to inject an endorsement string into an
SSS SecEntity object.
-------------
Version 4.8.4
-------------
+ **Major bug fixes**
* **[XrdCrypto]** Use consistently time_t.
* **[XrdCl]** Treat empty redirect response as error.
+ **Minor bug fixes**
* **[XrdCl]** Use NEED2SECURE macro properly.
+ **Miscellaneous**
* **[XrdSecgsi]** Improving checking of CA expiration.
* **[XrdCl]** Improve TPC key generation, fixes #662
-------------
Version 4.8.3
-------------
+ **Major bug fixes**
* **[XrdCl]** Release SIDs on PostMaster::Send() failure.
-------------
Version 4.8.2
-------------
+ **Major bug fixes**
* **[Proxy]** Make sure to use N2N even when only localroot specified,
fixes #650.
* **[Proxy]** Fully support third party copy in proxy servers.
* **[Server]** Correct faulty logic for sendq backlog warning message.
* **[XrdCl]** Correctly handler error/wait response to endsess request.
* **[XrdCl]** MsgHandler must not be enqueued in InQueue on virtual
redirect, fixes #682
* **[XrdCl]** Add ZIP64 support, fixes #402
* **[XrdHttp]** Always have OpenSSL read/write data through the XrdLink
object.
+ **Minor bug fixes**
* **[Net]** Optimize formatting corresponding to RFC 1178 and RFC 3696.
* **[XrdHttp]** Fix HTTP PUT flags, fixes #637.
* **[XrdHttp]** Close file handle for simple HTTP reads.
* **[All]** Fix compilation with gcc 8.
* **[CMake]** Make sure plugins are declared as MODULEs, fixes #653
* **[SSI]** Ruggedize server-side SSI interactions.
* **[SSI]** Prevent request ID conflicts with reusable resources.
* **[XrdCl]** Validate URLs comming from metalinks.
+ **Miscellaneous**
* **[Server]** Correct lock handling in commit 2c169141.
* **[Server]** Make endsess more reliable.
* **[Server]** Make sure no temporary opens occur during error recovery.
* **[Server]** Add method to get logging mask.
* **[XrdHttp]** Support HTTP chunked transfer encoding.
* **[XrdHttp]** Allow parsing of unknown HTTP verbs.
* **[XrdOss]** Improve XrdPosix 'rename' POSIX compliancy
* **[Proxy]** Make sure to pass through TPC requests in otgoing proxies.
* **[Proxy]** Support progress bar during TPC transfers.
* **[Proxy]** Do not fail a TPC fstat() due to bad timing.
-------------
Version 4.8.1
-------------
+ **Major bug fixes**
* **[XrdCl]** Try all IP addresses in case posix connect fails.
* **[XrdCl]** Fix checksuming in xrdcp for local files.
* **[Py]** Make sure FileSystem::Copy returns a tuple, fixes #633.
* **[Py]** Make sure empty strings are not converted to None.
* **[SSI]** Unbind the request prior to teardown.
* **[SSI]** Avoid SEGV when generating a request for a new TCP
connection.
* **[SSI]** Fix race condition that can cause a SEGV during parallel
execution.
* **[SSI]** Allow zero length requests to be passed to servers.
Fixes #640
* **[SSI]** Make sure to avoid object refs after Finished() is called
to avoid SEGV.
+ **Minor bug fixes**
* **[XrdPosix]** Fix various memory related issues.
* **[XrdCrypto]** Fix various small issues.
* **[Server]** Fix overlapping string copy. Fixes #643
* **[XrdCl]** Provide compatibility between root://localfile and file://.
-------------
Version 4.8.0
-------------
+ **New Features**
* **[XrdCl]** Local redirection and local file support.
* **[XrdCl]** merge xrdfs ls results if not unique, closes #541.
* **[XrdCl]** Provide client specific CGI info.
* **[XrdCl]** File::WriteV implementation, closes #388.
* **[XrdHttp]** Pass the HTTP verb to the external handler for path
matching.
* **[XrdHttp]** Allow one to access the XrdSecEntity object associated
with a request.
* **[XrdHttp]** Allow filtering based on HTTP verb in MatchesPath.
* **[XrdHttp]** Allow overwrites to be done on PUT.
* **[XrdHttp]** Allow multiple external handlers to be loaded by XrdHttp.
+ **Major bug fixes**
* **[Server]** Correctly handle monEnt on file close to avoid SEGV.
Fixes #618.
* **[Server]** Poperly handle file descriptors up to 65535.
Fixes #607.
* **[Server]** Fix handling of >65K attached files (active links).
Fixes #623.
* **[Server]** Make sure doPost does not become <0 (regression introduced
in 4.7.1).
* **[Proxy]** Avoid SEGV when localroot specified w/o remote root.
Fixes #627.
* **[XrdCl]** Connection Window should be applied per IP address.
Fixes #625.
* **[XrdCl]** Write request and raw data with single writev, fixes #609.
* **[XrdHttp]** Allow XrdSfsGetDefaultFileSystem to be called multiple
times.
* **[XrdHttp]** Correct external handling logic.
* **[XrdSecgsi]** Use stack for proper cleaning of invalidated CRLs and CAs.
+ **Minor bug fixes**
* **[Server]** Print error msg and close socket when a FD cannot.
be handled.
* **[Server]** Close additional loophole for fstream disconnect.
* **[Server]** Always unhook the statistcs object from xfr monitoring
if hooked.
* **[Server]** Ruggedize TPC to be less sensitive to protocol violations.
* **[Server]** Correct tpc directive scanning and make it more obvious.
Fixes #604.
* **[Server]** Enable url rewrites. Eliminates GSI roadblock.
* **[Server]** Do not reference a deleted object.
* **[XrdSsi]** Make sure to finalyze all requests upon disc, fixes #616.
* **[XrdHttp]** Handle properly http.secretkey.
* **[XrdCl]** various memory releated fixes.
* **[XrdPy]** Translate binary buffers into bytes objects, closes #632
+ **Miscellaneous**
* **[RPM]** Add python3 sub package.
* **[RPM]** Rename python sub-package, closes #614.
* **[Py]** Facilitate building python bindings with wheel.
-------------
Version 4.7.1
-------------
+ **Major bug fixes**
* **[XrdSecgsi]** Fix segv in cache checking, fixes #595
* **[XrdHttp]** Fix for the persistent connection issue.
* **[XrdHttp]** Fix FD leak when a socket error is encountered.
* **[XrdSsi]** Avoid race condition when response is posted.
* **[XrdSsi]** Avoid state conflict when request is being processed and
client asks for response.
* **[XrdCl]** Prevent segv in case user has no name.
* **[Server]** Close link on enable errors to prevent socket leaks.
+ **Minor bug fixes**
* **[XrdLink]** Increment the IOSemaphore once for each waiting thread.
* **[XrdHttp]** Make sure that the preexisting url tokens are properly
quoted when generating a redirection.
* **[XrdCl]** Fix invalid memory reads/writes when RAII finalizes mutex
after the object has been deleted.
+ **Miscellaneous**
* **[XrdCl]** Log last error in case redirect limit has been reached.
* **[XrdCl]** Add option to read credentials under different fsuid/fsgid.
* **[XrdCl]** Accept empty login response for protocol <= 2.8.9
(This is only to ensure compatibility with dCache, which
due to its inaccurate implementation of XRoot protocol in
some cases returns an empty login response for protocol
version <= 2.8.9.)
* **[XrdCl]** Add envar to config Nagle algorithm.
* **[XrdSsi]** Reinitializ response object after Finished() so it can
reused.
* **[XrdHttp]** Header2cgi directive.
-------------
Version 4.7.0
-------------
+ **New Features**
* **[Proxy]** Make cache I/O synchronization tunable.
* **[Proxy]** Allow caching of S3-style objects.
* **[Proxy/Posix]** Allow Name2Name to populate cache using the LFN.
* **[Posix]** Enable LITE feature in Posix preload library.
* **[Posix]** Implement serverless file caching (disk or memory).
* **[Server]** Allow storing S3-style objects in a file system.
* **[Server]** Add xrootd.fsoverload directive to handle filesystem overloads.
* **[Server]** Allow port to be specified for a supervisor.
* **[Server]** Add org and role types to AuthDB authorization.
* **[Server]** Allow definition and test of compound authorization identifiers.
* **[Server/Packaging]** Handle systemd socket inheritance.
* **[XrdApps]** Add XrdClProxyPlugin implementation.
* **[XrdCl]** Extreme copy implementation.
* **[XrdCl]** Delegate all callbacks to the thread-pool.
* **[XrdCl]** xrdfs: add recursive list, closes #421.
* **[XrdCeph]** Added support for namelib in ceph plugin .
* **[XrdFfs]** Implement xrootdfs_create.
* **[Python]** Python 3 support in C / Python interface.
* **[XrdHttp]** Make XrdHTTP able to forward HTTP requests to an external,
optional plugin (conceptually similar to CGI).
* **[Server]** XrdSsi V2 (scalable service interface) implementation.
+ **Major bug fixes**
* **[XrdCl]** Avoid deadlock between FSH deletion and Tick() timeout.
* **[XrdCl]** Process virtual redierections in the threadpool.
* **[Xrd] Fix handling of sendfile offset argument.
+ **Minor bug fixes**
* **[Server]** Make file locking independent of FS plugin. Fixes #533
* **[Server]** Correct debug message interval for free space report.
* **[XrdCeph]** Fixed internal (f)stat so that it sets S_IFREG in returned mode.
* **[XrdCeph]** properly return ENOENT when file does not exist in open for read.
* **[XrdCeph]** Fixed configuration of the XrdCephOss module.
* **[XrdCeph]** Fixed some resource leak when Posix_Open fails.
* **[XrdFfs]** Remove default fuse argument "allow_other" as it is impossible
to unset.
* **[XrdFfs]** Check file descriptor before using it in xrootdfs wcache.
* **[XrdFfs]** Add more error checks when creating write cache.
* **[XrdFfs]** Avoid using literal 1024, replace with MAXROOTURLLEN.
* **[XrdFfs]** Control allow_other by env XROOTD_NOALLOWOTHER.
* **[XrdFfs]** Rewrite xrootdfs_mknod, extract low-level function.
* **[XrdCl]** Check login resp size, fixes #530
* **[XrdCl]** Avoid FileStateHandler deadlock while forking.
* **[XrdCl]** Handle failed stateful operations without XrdCl::File lock
being locked.
* **[XrdPosix]** Use strncpy when copying checksum.
* **[RPM]** Fix init script bad exit code, fixes #536
* **[XrdBuffer]** Decrement total buffer count when freeing buffers.
+ **Miscellaneous**
* **[Server]** Re-enable the oss.fdlimit directive to allow POSIX preload+xrootd.
* **[Server]** Avoid thread pile-up durin slow close operations.
* **[Proxy]** Simplify delayed destruction on wait vs post.
* **[Posix]** Convert to using universal tracing facility.
* **[CI]** Add Travis CI configuration.
* **[CI]** Add .gitlab-ci.yml for gitlab CI.
* **[Packaging]** Add a sample XrdHttp config file.
* **[Packaging]** Make RPM version configurable by the user.
* **[Packaging]** Debian packaging.
* **[RPM/CMake]** Enable c++0x/c++11 by default.
* **[Crypto] Remove unused crypto code.
* **[XrdFileCache]** Add configuration parameter for flush frequency.
* **[XrdFileCache]** Alter ram limits and blocks size parameter if caching
is on the client side.
* **[XrdSut]** New XrdSutCache based on XrdOucHash.
* **[XrdSecgsi]** do not delete explicitely the CRL in Delete.
* **[XrdSut/Crypto]** Secgsi improvements: new version of XrdSutCache,
lightweith locking (PR #539).
-------------
Version 4.6.1
-------------
+ **Major bug fixes**
* **[Server/Proxy]** Avoid SEGV when close(), closedir() returns an error.
* **[cmsd]** Fix feature interaction causing improper file existence to be sent.
* **[XrdCrypto/XrdSecgsi]** Make sure the CRL is loaded for the right CA.
* **[XrdCrypto]** Support for OpenSSL 1.1
* **[XrdSecgsi]** do not build/package libXrdSecgsiGMAPLDAP-4.so.
* **[XrdSecgsi]** Improve detection of errors when loading CRL.
* **[XrdSecgsi]** Fix for valid legacy proxy detection (PR #469)
* **[XrdSecgsi]** Absent CRLs not an error (#465)
* **[XrdSecgsi]** Fix for CA chain verification segfault (issue #463)
* **[XrdSecgsi]** Two memory leaks (PR #503)
* **[XrdCl]** Make sure there is no request/response mismatch, when
the retry logics tries to recover from an error.
* **[XrdCl/Server]** Be case insensitive when it comes to checksum names.
* **[XrdCeph]** Fix ability to read back a file written with O_RDWR flags.
* **[XrdCeph]** Disable logging of every read and write operation. A proper
debug-level logging would be needed instead.
* **[XrdCeph]** Added statistics about read/write operations in the
close log.
+ **Minor bug fixes**
* **[XrdHttp]** Make the XrdHttpSecXtractor API backwards compatible.
* **[XrdFileCache]** Make caching proxy configuration backwards
compatible.
* **[XrdFileCache]** Fix cache v1 to cache v2 bridge after introducing
cache v2.
* **[XrdSec]** Use CommonCrypto header instead of openssl for SHA on OSX.
* **[XrdSeckrb5]** Fix memory leaks in client context and cache.
* **[Server/Logrotate]** Make sure XRootD logrotate does not interfire with
system logrotate, fixes #490
* ** [Server]** Avoid std::ABORT should a naked logfile path be specified.
* **[XrdCl]** Make sure ForkHandler doesn't segv if PostMaster is null,
fixes #489
* **[Packaging]** Set the working dir to /var/spool/xrootd on CC7,
fixes #365
* **[Packaging]** On platforms where systemd is available, manage files in
/var/run with tmpfiles.d, fixes #485
+ **Miscellaneous**
* **[XrdPosix]** Add new minpages option to pss.cache to support large pages.
* **[XrdPosix]** Make XrdPosix.hh a public header; closes #479
* **[XrdApps]** Remove XrdClient dependency from xrdadler32.
* **[Server]** Add XrdCksAssist functions to help handle XRootD checksums.
* **[Server/Proxy]** Move disk sync operations out of IO::ioActive() call.
* **[Server/Proxy]** Change severity IO::initLocalStat() log message.
* **[XrdFileCache]** Ease development of decision plugins.
* **[XrdFileCache]** Use ref-counts on File objects.
-------------
Version 4.6.0
-------------
+ **New Features**
* **[XrdCms]** Add non-blocking sends to avoid slow links.
* **[XrdFileCache]** File caching proxy V2 (and new pss async interface).
+ **Major bug fixes**
* **[XrdCeph]** Account for return Ceph xattr return codes.
* **[XrdCeph]** Fixed initialization of Ceph clusters when stripers are not used.
* **[XrdCrypto]** Improved determination of X509 certificate type,
including proxy version
* **[XrdHttp]** Fix memory leak in Bridge protocol (affects HTTP).
* **[XrdSecgsi]** Several improvements in the way CRLs are checked and reloaded.
* **[XrdCl]** Protect against spurious wakeups in SyncResponseHandler.
* **[XrdCl]** On read-timeout, if the stream is broken, make sure the request and
its handler are not double deleted.
+ **Minor bug fixes**
* **[XrdCl]** Check if the file was correctly closed upon ZipArchiveReader destruction.
* **[Server]** Add limits for prepare requests.
* **[Server]** Delete buffers when the buffer manager is deleted. Fixes #414
* **[Server]** Do not double count overlapping spaces. Fixes #425
* **[XrdHttp]** Allow unauthenticated https clients.
* **[XrdHttp]** Make Xrdhttp secure by default (rejecting proxy cert in the absence
of a proper SecXtractor plugin)
+ **Miscellaneous**
* **[XrdSecgsi]** Re-activate xrdgsitest
* **[RPM]** Include xrdgsitest in xrootd-client-devel package.
* **[XrdFileCache]** Add example of filecache configuration.
-------------
Version 4.5.0
-------------
+ **New Features**
* **[XrdCms]** Allow specifying a different timeout for null cached entries; fixes #413
* **[XProtocol/XrdSec/Server/XrdCl]** Implement request signing.
* **[XrdCl]** Add ZIP extracting capability to xrdcp.
* **[XrdCl]** Include the release number in client Login request cgi.
* **[XrdCl]** Add support for spaces in file names for mv operation.
+ **Major bug fixes**
* **[XrdCrypto/Secgsi]** Fix XrdCryptosslMsgDigest::Init ; set 'sha256' as
default algorithm.
* **[XrdCl]** Use posix semaphores for fedora >= 22. Disable
omit-frame-ponter for gcc >= 4.9.3 if custom semaphores are used.
+ **Minor bug fixes**
* **[XrdSecsss]** Fix memory leak in sss protocol.
* **[XrdNet]** Allow hostnames to begin with a digit.
* **[XrdCl]** Fix segfault in case a user cannot be mapped to a home directory.
* **[XrdCl]** Make sure a socket is always associated with a proper poller
object (not null).
* **[XrdCl]** Fix deadlock in XrdCl::PollerBuiltIn during finalize.
* **[XrdCrypto]** Do not use md5 checksum on OSX platform.
+ **Miscellaneous**
* **[RPM]** Include xrdacctest in xrootd-server package.
* **[RPM]** Add conditional BuildRequires for ceph >= 11.
* **[RPM]** Use compat-openssl10-devel for fedora>=26.
* **[XrdCl]** Make sure the Log class can be used by any client plugin implementation.
-------------
Version 4.4.0
-------------
+ **New Features**
* **[Server]** Add new [no]rpipa option to xrd.network directive.
* **[Server]** Allow objectid's to be specified in the authorization file.
* **[Server]** Add new logging plugin interface.
* **[Server]** Fixes #345 - add sid to TOD structure (ABI compliant).
* **[Server]** Implement resource selection affinity (primarily for ssi).
* **[XrdCl]** Add Metalink support (xrdcp & API).
* **[XrdCl]** Enable metalink processing on default.
* **[XrdCl]** xrdcp: use cks.type cgi tag to select the checksum type.
* **[XrdCl]** Support local metalink files.
* **[XrdCl]** Add support for GLFN redirector of last resort.
* **[XrdCeph]** Implemented pools of ceph objects.
+ **Major bug fixes**
* **[Posix]** Remove double unlock of a mutex.
* **[Client]** Serialize security protocol manager to allow MT loads.
* **[Authentication/sss]** Fix dynamic id incompatability introduced in 4.0.
* **[XtdHttp]** Removed the deprecated cipher SSLv3, in favor of TLS1.2
* **[XrdCl]** Close file on open timeout.
* **[XrdCl]** Differentiate between a handshake and an xrootd request/response
while processing an incoming/outgoing message.
* **[XrdCl]** Fix dangling pointer issue that occurs while forking.
* **[XrdCl]** Ensure DefaultEnv is finalized after last use of the object.
+ **Minor bug fixes**
* **[Proxy]** Avoid SEGV when printing memory cache statistics.
* **[Server]** Avoid XrdNetIF static initialization issues.
* **[Server]** Honor DFS setting when forwarding operations.
* **[Server]** Make sure lockfile time is updated in deprecated runmodeold.
* **[Server]** Fixes #344 - squash path before checking for static redirect.
* **[Server]** Free Entity before replacing it from the cache (memleak).
* **[XrdCl]** xrdfs ls does not include opaque info in a listing.
* **[XrdCl]** Eliminate unnecessary write notifications.
* **[XrdCl]** Forward xrd.* parameters from the original to the redirection URL.
* **[XrdCl]** Do not preset CWD in batch mode.
* **[XrdCl]** Be complaint with file URI scheme.
* **[XrdCl]** Fix wrong query string used for opaquefile code.
* **[XrdCl]** Translate XRootD error code to errno before passing to strerror.
* **[XrdCeph]** Fixed thread safety of filedescriptors in the ceph plugin.
* **[XrdCeph]** Protected initialization of ioCtx object and striper objects
by mutex in the ceph plugin.
* **[XrdCeph]** Fixed memory corruption in asynchronous read from ceph.
* **[XrdXml]** Make sure c-string buffes are properly terminated.
* **[XtdHttp]** Don't trim printable characters.
+ **Miscellaneous**
* **[XrdCl]** Change the way handlers and messages are matched (use maps).
* **[Apps]** Add xrdacctest to the tools set to test access control databases.
* **[Packaging/RPM]** Set max open files limit to 65k for systemd services.
-------------
Version 4.3.0
-------------
+ **New Features**
* Add option to query network configuration via configured interfaces.
* **[Proxy]** Default event loops to 3 and allow it to be set via config.
* **[Server]** Let client inform redirector why it's retrying a lookup
using the triedrc CGI element.
* **[Server]** Add cms.cidtag directive to qualify the global cluster id
(solves dpm problem).
* **[Server]** Make it possible to effeciently query an external database
for file existence via the statlib plug-in (largely for DPM).`
* **[Server]** Allow declaring extra large I/O buffers (mostly for Ceph).
* **[Server]** Allow iovec based data responses (no ABI changes).
* **[Misc]** Add back trace capability to the tool set.
* **[Misc]** Add generalized XML parsing ability.
* **[Misc]** Add metalink parsing for future integration.
* **[XrdCl]** xrdcp add env var to disable recovery
* **[XrdCl]** Add support for multiple event loops.
+ **Major bug fixes**
* **[Server]** Correct IP address matching between IPv4 and IPv6. Fixes #300.
* **[Server]** Ruggedize cmsd thread synchronization during node deletion.
* **[Server]** Delete extraneous semaphore wait to avoid deadlock (#290).
* **[Server]** Return correct response to a delayed open.
* **[Server]** Fix build of kXR_wait message in case of delayed open.
* **[XrdCl]** Detect whether client is dual stacked based on outgoing
connection in addition to DNS registration.
* **[XrdCl]** Avoid EAGAIN loop. Fixes #303.
* **[XrdCl]** Append opaque info in case we retry at a data server after
being redirected.
* **[XrdCl]** Fix: FileStateHandler::OnOpen seqfaults when both write timeout
and OpenHandler timeout at the same time.
* **[XrdCl]** Avoid SEGV when server fails after it responds waitresp.
* **[XrdCl]** Continue processing remaining files after error occurrence.
* **[XrdCl]** Fix for dangling pointer problem in deep locate, fixes #324
* **[Misc]** Add possibility to specify disk usage parameters in .. G, T units
using XrdOuca2x::a2sz().
* **[Python]** Fix lock inversion in python bindings.
* **[Python]** Check if python interpreter is still initialized.
+ **Minor bug fixes**
* **[All]** Fix numerous issues with space reporting (spaceinfo, query space,
statvfs) such a double counting, scaling, and format issues.
* **[Proxy]** Do not use the ffs code path if nothing is writable. This avoids
initialization failure when the origin is a large WAN cluster.
* **[Server]** Be agnostc NTP defaults when rotating logs (fixes new RH7 defaults).
* **[Server]** Pass correct total data length in iovec to Send().
* **[Server]** Avoid redirection loop during error recovery in a uniform cluster.
* **[Server]** Make sure N2N gets configured for the cmsd when actually needed.
* **[Server]** Properly handle an inifit NPROC limit. Fixes #288.
* **[Server]** Make sure the cluster ID is always formatted the same way.
* **[Server]** Correctly compute timeout wait.
* **[Server/Logrotate]** Make sure rotating pattern is not expanded in an if statement, fixes #302
* **[Misc]** Include XrdXmlReader in the spec file.
* **[Misc]** Fix bug in access statistics print.
* **[Misc]** Allow conversion of decimal numbers in XrdOuca2x::a2sz()
* **[XrdCl]** xrdfs prepare has to be provided with a filename, fixes #309
* **[XrdCl]** Make sure recursive copy is disallowed only for checksum with user provided value, fixes #304
* **[XrdCl]** Use the same timeout value for all close operations in xrdcp with TPC enabled.
* **[XrdCeph]** Fixed race condition in multistream access to files fo CEPH
+ **Miscellaneous**
* **[Server]** Prevent cmsd reconnect storm when things get way slow.
* **[Server]** Changes to allow for Solaris compilation.
* **[Server]** Changes to allow for OSX compilation.
* **[Server]** Detect cyclic DNS host registration when processing '+' hosts.
* **[Server]** Display manager IP addresses during '+' host resolution.
* **[Util]** Avoid compiler warning about unsafe mktemp.
* **[App]** Do not report expected errors as errors.
* **[App]** Always show any unusual node status in the display.
* **[Client/Python]** Add MANIFEST.in for python bindings.
* **[XrdFileCache]** Implement blacklisting in a FileCache decision plugin.
* **[XrdFileCache]** Make sure requested offset is reasonable.
* **[XrdFileCache]** Return -1 and set errno when bad offset is passed in.
* **[XrdFileCache]** Only generate error for negative offsets, as per posix.
* **[XrdFileCache]** Add startup protection for ReadV, too. It was already there for Read.
* **[XrdFileCache]** Fix bug in cache scanning; simplify deletion loop.
* **[XrdFileCache]** Use bytes to calculate how many files to purge, not blocks;
subtract actual size of the file, not the length of it returned by stat.
* **[XrdFileCache]** In cache purge, use stat.mtime of cinfo file if last access time can not
be determined from contents of cinfo file.
* **[XrdFileCache]** Fix argument type from int to long long (was n_blocks, is size_in_bytes now).
* **[XrdCl/XrdSys]** Use custom semaphores only for glibc<2.21.
* **[XrdCl]** Remove libevent-based poller implementaion.
* **[XrdCl]** Report reason for reselection via triedrc CGI element.
* **[XrdClient]** Changes to allow for Fedora rawhide C++11 compilation.
* **[XrdCeph]** Fixed XrdCeph compilation for C++11 enabled compilers
* **[XrdCeph/CMake]** Fix for undefined symbols (link XrdUtils).
-------------
Version 4.2.3
-------------
+ **Major bug fixes**
* **[Server]** Avoid SEGV if cmsd login fails very early.
* **[Server]** Avoid SEGV when an excessively long readv vector is presented.
* **[Server]** Rationalize non-specfic locate requests.
* **[XrdCl]** Process waitresp synchronously via Ignore return to avoid SEGV.
* **[XrdCl]** Avoid memory leak when a handler returns Ignore for a taken message.
* **[XrdCl]** Fix "tried" logic by forwarding the errNo
-------------
Version 4.2.2
-------------
+ **Major bug fixes**
* **[Proxy]** Protect forwarding proxy server from slow connections. This should
fix most, if not all, SEGV's that the server encountered under heavy load.
* **[Server]** Fixes #248 Prevent infinite loop when shift arg is negative.
* **[Server]** Complain when passed I/O length is negative.
* **[Server]** Avoid execution stall during node logout when the thread limit
has been reached.
* **[Server]** Make sure to capture return code for stat() to prevent random
results.
* **[XrdCl]** Make sure to get filestate lock during timeout processing to
avoid MT intereference and possible random results.
* **[XrdClient]** Restore commented out abort() when an attemp is made to index a
vector outside of its current bounds (avoids random results).
* **[Server/Proxy]** Delay deleting a file object if the close was not successful.
This avoids deleting objects that may have pending activity resulting in an
eventual SEGV. This is a bypass fix to another problem.
+ **Minor bug fixes**
* **[Server]** Fixes #234 Properly register all components in a mkpath request.
* Correctly handle copying into a non-existent directory when automatic
path creation is enabled.
* **[XrdCl]** xrdfs correctly handles quotations (fixes the problem with ALICE token)
+ **Miscellaneous**
* Fixes #245 Provide compatability when cmake version is > 3.0.
* Use atomics to manipulate unlocked variable pollNum.
* Bugfix: release lock when a file is closed before the prefetch thread is started.
Observed with xrdcp ran without -f option and an existing local file. Fixes #239.
* Protect from reads exceeding file size. Fixes #249.
* Release Stream lock before invoking callbacks. Fixes #216
* TPC: Fix deadlock in case of error in the TPC authentication
* Increase max size of write to disk queues.
* Fix bug in endswith. Fixes #260
* XrdCeph : fixed problem with files bigger than 2GB for synchronous writes
* **[XrdCl]** Change message loglevel from Error to Debug. Fixes #246.
* **[XrdCl]** Fix race condition in PostMaster initialization
* **[XrdCl]** Provide atomicity for PostMaster value using built-in functions
* **[XrdFileCache]** fixed deadlock on immediate file close (e.g. xrdcp to non-writable output)
* **[XrdFileCache]** fixed errors on some posix operations using virtual mount
-------------
Version 4.2.1
-------------
+ **Miscellaneous**
* **[Client/Cl]** Make sure kXR_mkpath is set for classic copy jobs when the
destination is xrootd (backward compatability fix).
-------------
Version 4.2.0
-------------
+ **New Features**
* **[Client/Python]** Integrate xrootd-python into the main package.
* **[Server]** Include a Ceph OSS plug-ing.
* **[Server]** Implement throttling.
* **[Server]** Detect redirect loops using "tried" token.
* **[Server]** Implement the "cid" option for config query to display the
unique cluster ID.
* **[Server]** Allow suspending and enabling remote debugging without a
restart.
* **[Server]** Implement black/whitelist with optional redirection.
* **[Server/Proxy]** Add the xrdpfc_print tool to print the caching
proxy metadata.
* **[Server/PlugIns]** Provide a mechanism to pass command line arguments
to plug-ins.
* **[Server/PlugIns]** Provide access to the native and the active extended
attribute implementation.
+ **Major bug fixes**
* **[All]** Fix various memory access issues.
* **[Server]** Fix various IPv4/IPv6 compatibility issues.
* **[Server]** Avoid disabling of frm notifications due to plug-in
initialization issues.
* **[Server/Proxy]** Avoid holding a global lock when opening/closing files
to solve timeout issues.
* **[Security/GSI]** Fix reloading of CA and CRLs.
+ **Minor bug fixrs**
* **[Server/HTTP]** Fix issues related to invalid chunk sizes.
* **[Server/Proxy]** Various logic and permission processing fixes.
+ **Miscellaneous**
* **[Client/Cl]** Make the compiler issue warnings when the return codes
from the File and FileSystem methods are unchecked. (issue #188)
* **[RPM]** Disable building of the compat package by default.
* **[Server/Proxy]** Avoid serializing stat() via the proxy to improve
performance.
* **[Tests]** Factor out the common testing code from the client tests so
that it can be re-used.
-------------
Version 4.1.2
-------------
+ **Major bug fixes**
* **[Utils]** Don't confuse -I and --tpc while parsing commandline parameters
for xrdcp. (issue #213)
* **[Server]** Fix various IPv4/IPv6 issues. (issues #164, #227)
+ **Minor bug fixes**
* **[Client/Cl]** Print mtime when doing xrdfs stat.
* **[All]** Fix some memory access issues. (issues #186, #197, #205)
* **[Server]** Recreate logfile fifo if it already exists and is a file.
(issue #183)
* **[Server]** Properly reset suspend state when reconnecting cmsd.
(issue #218)
* **[Server]** Avoid disabling async I/O when using an oss plugin that does
not implement file compression. (issue #219)
* **[Server]** Do not debit space when relocating a file within the same
partition.
* **[Server]** Fix meta-manager port directive ordering.
* **[Server/Logrotate]** Do not print anything to stdout to avoid making cron
send emails to admins. (issue #221)
+ **Miscellaneous**
* **[Server/Proxy]** Disable POSC processing when a proxy plugin is loaded.
-------------
Version 4.1.1
-------------
+ **Major bug fixes**
* **[RPM]** Remove the library patch from xrootd-config to enable multiarch
installations.
* **[RPM]** Move the user creation scriptlets to xrootd-server where they
belong. (issue #179)
* **[Server]** Fix PowerPC compilation. (issue #177)
* **[Server]** Avoid the pitfalls of infinite nproc hard limit in Linux.
* **[Server]** Correct flag definition to include cms plugin loading. (issue #176)
+ **Miscellaneous**
* **[Man]** Update documentation.
* **[Client/Cl]** Set the multi-protocol ability basing on an environment
variable.
-------------
Version 4.1.0
-------------
+ **New Features**
* **[Everyting]** Implement dynamic plugin shared library filename versioning
to allow multiple major versions to co-exist.
* **[Server]** Compelete IPv6/IPv6 and public/private network routing.
* **[Server]** Allow the checksum manager to use OSS layer to access data.
(issue #140)
* **[Server]** Allow the definition of subordinate clusters.
* **[Server]** Support multiple checksum types. Client can select non-default
checksum using the "cks.type=<algorithm>" cgi element.
* **[Server]** Provide plugin interface for handling extended attributes.
* **[Server]** Add options to xrd.network to control keepalive.
* **[Server]** Control core file generation via xrd.sched core directive.
* **[Server]** Add pss.permit directive to restrict outbound connections for
forwarding proxies.
* **[Server]** Allow xrootd to handle objectid names as exports.
* **[Server]** Install and package the cluster mapping utility: xrdmapc.
* **[Server]** Allow the specification of xrootd.seclib default.
* **[Server]** Pass along XRD_MONINFO setting and application name to
monitoring.
* **[Server/Proxy]** Implement a forwarding proxy option.
* **[Server/Proxy]** New configuration of XrdFileCache using 'pfc.' prefix.
* **[Sever/HTTP]** Support gridmap parsing.
* **[Client/Cl]** Inform the server about availability of local IP address
types (IPv6/IPv4, public/private) to in order to facilitate redirections.
* **[Client/Cl]** Make the client send kXR_endsess request when recovering
broken connection - avoids 'file already open' errors.
* **[Client/Cl]** Implement TCP keep-alive support.
* **[Client/Cl/xrdcp]** Optimize xrdcp uploads by compensating for latency.
* **[Client/Cl/xrdcp]** Make it possible for xrdcp to run multiple transfers
in parallel using the '--parallel' option.
* **[Client/Cl/xrdcp]** Make it possible for xrdcp to concatenate multiple
sources to stdout.
* **[Client/Cl/xrdfs]** Add xrdfs locate -i option to ignore network
dependencies (IPv6/IPv4).
* **[Security]** Add new security framework loader to allow external pacakges
that linked against security plugins to dynamically load them instead.
* **[Security/sss]** Allow forwardable sss tokens when ecrypted with a
forwarding key as defined by the xrdsssadmin command.
* **[Plugins]** Implement generic matching rules to version check 3rd party
plug-ins.
* **[Packaging/RPM]** Add SystemD configuration files for RHEL7.
* **[Packaging/RPM]** Introduce compat RPM packaging providing xrootd 3.3.6
daemons and libraries with the ability to switch between desired versions
using the sysconfig file.
* **[Packaging/RPM]** The RPM naming has been switched back to xrootd
(from xrootd4).
* **[Utils]** Add xrootd-config utility.
+ **Major bug fixes**
* **[Server/HTTP]** Make it possible to handle files larger than 2GB.
* **[Server]** Prevent blacklisting of all connctions when role is supervisor.
* **[Server]** Fix bug in handling cms.dfs redirect verify that would keep
the client is an infinite wait loop. This also affected locate requests
regardless of what the redirect option was set to.
* **[Server/Proxy]** Avoid SEGV when no environment has been passed in the
proxy server.
+ **Minor bug fixes**
* **[C++ API]** Provide complete portability and correct behaviour across
platforms with and without Atomics. This patch does not change any ABI's.