thank you
On Wed, Jun 14, 2023 at 1:19 PM Gustaf Neumann <neum...@wu.ac.at> wrote:
> Dear Sassy,
>
> You are referring to a change that was released more than 3 years ago
> (4.99.19).
>
> Log file sanitizing works as expected, namely it prints invisible
> characters in a hex representation (in your case tab characters).
> Sanitizing was required by security audits, since otherwise, it would be
> possible to execute code by looking into the log file, one could obfuscate
> the log file, and confuse log file analyzer that alarm when suspect
> activities are noticed, etc.
>
> Certainly, the harm caused by a tab character alone is limited, but when
> debugging and analyze problems, it is often important to distinguish
> between a tab and some spaces.
>
> You can easily replace the hex notation in the log file via "sed", such as
> e.g.
>
> cat log/error.log | sed -En 's/\\x09/\t/p' | more
>
> or the like.
>
> all the best
>
> -gn
> On 13.06.23 20:51, Sassy Natan wrote:
>
> Hi All,
>
> After upgrading my server to the latest version, my log file is broken.
>
> For example I see UTF-8 as special characters.
>
> I check the readme but the sanitizelogfiles 2 doesn't seems to work as
> expected.
> I have in my configuration:
>
> set debug true
> ns_logctl severity "Debug(sql)" on
>
> Any ideas?
>
> Here is example:
> : ],is_break_pcols)) as hrs_wo_break
> : FROM wt_payroll_analysis_pp
> : join (select sid,agg_array(case when is_break_pcol=true then 99999
> else 0 end) as is_break_pcols
> : \x09\x09\x09from ( select * from wt_et_cols_defs where sid=410000
> order by pcol_number )pc_defs group by sid) pdefs using (sid)
> : \x09\x09\x09\x09WHERE sid=410000 and employee_id =40599
> : \x09\x09\x09\x09and to_date(pp_year||'-'||pp||'-01','yyyy-mm-dd')
> between to_date('2023-6-01','yyyy-mm-dd')- interval '6 month'
> : \x09\x09\x09\x09\x09\x09\x09and ( to_date('2023-6-01','yyyy-mm-dd')
> - interval '1 day' )::date
> : \x09\x09\x09\x09UNION
> : \x09\x09\x09\x09 select
> sid,employee_id,pp,pp_year,ppid,to_date(pp_year||'-'||pp||'-01','yyyy-mm-dd')
> as day,null2zero(hrs_wo_break)*3600
> : \x09\x09\x09\x09 from pp_pa_table
> : \x09\x09\x09\x09) ggg
> : \x09\x09\x09\x09group by sid,employee_id,pp,pp_year
>
>
> Thanks
> Sassy
>
> On Mon, May 1, 2023 at 6:55 PM Gustaf Neumann <neum...@wu.ac.at> wrote:
>
>> Dear all,
>>
>> I am glad to announce that the release of NaviServer 4.99.25 is
>> available at SourceForge [1]. This release is mostly a bug-fix
>> release. The forthcoming version 5.0 of NaviServer will contain
>> several new features omitted in this bug-fix branch. In case, you are
>> building NaviServer from the Bitbucket repository, please note that
>> the release 4.99.25 is in the branch release/4.99 (bug fix branch for
>> the NaviServer 4.99 family). New development happens in the "main"
>> branch of the repository, leading to NaviServer 5.*.
>>
>> See below for a summary of the changes.
>>
>> Many thanks to the contributors of this release:
>>
>> Andrew Piskorski
>> Antonio Pisano
>> Brian Fenton
>> Gustaf Neumann
>> Hector Romojaro
>> Joe Oldak
>> Khy Huang
>> Oleg Oleinick
>> Zoran Vasiljevic
>>
>> All the best!
>>
>> -gustaf neumann
>>
>> [1] https://sourceforge.net/projects/naviserver/files/naviserver/4.99.25/
>>
>> =======================================
>> NaviServer 4.99.25, released 2023-05-01
>> =======================================
>>
>> 132 files changed, 3957 insertions(+), 2068 deletions(-)
>>
>> New Features:
>> -------------
>>
>> - Added meta-information to configuration values
>>
>> NaviServer can now report, what configuration values provided in
>> the configuration file were actually used, what their default
>> values are, and whether these values were specified or not (using
>> the default values). With this information, administration
>> (e.g. migration) becomes easier. The NaviServer module "nsstats"
>> shows this meta information via the web interface.
>>
>> This functionality is provided via the new option "-filter" for the
>> command "ns_configsection ... section". When the "-filter" option
>> is used, different kinds of information about the parameters is
>> returned from the specified section.
>>
>> "-filter unread":
>>
>> Returns the parameters, which were set during configuration (i.e.,
>> in the configuration file) but which were not read in the startup
>> phase of the server. This option is useful to determine
>> e.g. typographical errors of specified parameter names.
>>
>> "-filter defaulted":
>>
>> Returns the parameters, from which the default values were read
>> (i.e., which were not explicitly set)
>>
>> "-filter defaults":
>>
>> Returns the defaults of the parameter. This is useful for
>> contrasting the actual values with the default values for
>> Parameters, e.g. in a web based interface.
>>
>> - ns_set reform (per default deactivated in 4.99, but activated in 5.*)
>>
>> The classical implementation for ns_sets uses separately malloced
>> storage for every attribute name and attribute value. So, e.g., for
>> 1000 ns_sets with 20 members each, this means 1,000*20*2 = 40,000
>> malloc/free operations, e.g., for a single db query! Although the
>> malloc implementations have improved over the years, these will
>> require many lock operations, especially under load, where many
>> threads might perform many concurrent malloc operations. One other
>> consequence is that the allocated memory will be scattered over
>> address space, which has bad implications for CPU caching.
>>
>> The new implementation uses for one "ns_set" a single Tcl_DString
>> keeping all attribute names and attribute values. This reduces the
>> malloc operations and improves memory locality, such that cache
>> hits will improve.
>>
>> One caveat of this change is that modules using "ns_set" have to be
>> recompiled, since the full C-level data structure of the "ns_set"
>> is exposed. Therefore, adding a member causes a binary
>> incompatibility. One other potential problem is that C-level
>> modules using the Ns_Set* API have to make sure that long-living
>> string values are copied (this was necessary before as well, but
>> was in many cases no problem, when the "ns_sets" were seldom
>> updated).
>>
>> For high compatibility, this feature is deactivated per default in
>> the 4.99.* series and can be activated by setting the compile-time
>> C macro "NS_SET_DSTRING".
>>
>>
>>
>> API changes:
>> ------------
>>
>> API extensions:
>> - Provide a new interface ending with *Sz to provide string sizes.
>> This reduces the need of strlen() operations.
>> * Ns_SetCreateSz()
>> * Ns_SetIUpdateSz()
>> * Ns_SetPutSz()
>> * Ns_SetPutValueSz()
>> * Ns_SetUpdateSz()
>>
>> - New API calls for "ns_set" reform
>> * Ns_SetClearValues(): clear the values for all keys
>> * Ns_SetDataPrealloc(): creating ns_sets with preallocated values
>> to avoid resize operations
>> * NsSetResize()
>> * NsHeaderSetGet()
>>
>> - Ns_ConfigSet(const char *section, const char *key, const char *name)
>> The last argument is new and allows one to create named sets
>> (previously, all such sets were unnamed)
>>
>> - NsHexPrint(): Print the potentially binary content of a buffer
>> in human-readable form.
>>
>> - Ns_RelativeTime(Ns_Time *relTimePtr, Ns_Time *timePtr)
>> This call implements the inverse operation of Ns_AbsoluteTime(),
>> and is used mostly to make debug messages eye-friendly.
>>
>>
>> Performance Improvements:
>> -------------------------
>>
>> - Replaced malloc operation per log entry by thread local variable in
>> system log implementation.
>>
>> - When NaviServer 4.99.25 is compiled with NS_SET_DSTRING supportm
>> the following preliminary performance results were measured from
>> the "ns_set" reform (see above). The tests were performed on
>> openacs.org (Xeon Gold 6226R CPU @ 2.90GHz, 32 cores,
>> hyper-threading enabled). The test executes the SQL query
>>
>> select * from acs_objects limit 1000
>>
>> 100 times in sequence. This test is run in 1 to 30 concurrent
>> threads. With 30 threads, 3mio tuples are retrieved, and 72 mio
>> malloc/free operations are needed alone for the retrieved values.
>>
>> Before (classical ns_set with many mallocs):
>>
>> threads 1 total 4606.787 ms avg 3285.25 ms
>> threads 5 total 4595.358 ms avg 3493.07 ms
>> threads 10 total 4804.193 ms avg 3755.93 ms
>> threads 20 total 6279.524 ms avg 4569.16 ms
>> threads 30 total 8966.427 ms avg 6618.58 ms
>>
>> After reform (using common Tcl_DString per tuple):
>>
>> threads 1 total 4524.645 ms avg 3242.54 ms
>> threads 5 total 4251.266 ms avg 3450.09 ms
>> threads 10 total 4656.795 ms avg 3665.31 ms
>> threads 20 total 5934.105 ms avg 4671.38 ms
>> threads 30 total 7384.591 ms avg 5642.76 ms
>>
>> To summarize, the improvement increases under higher load (with
>> more parallel threads). E.g., with 30 threads, the total time
>> improved by 17%.... leading also to a smaller RSS. These tests were
>> not performed under "clinical" conditions.
>>
>> The new Tcl API call "ns_set size" can be used to pre-allocate
>> larger ns_sets, such that the usual Tcl_DString growing policy does
>> not kick in, reducing further realloc() operations.
>>
>>
>> Bug Fixes:
>> ----------
>>
>> - Fixed potential crash in "ns_accesslog extendedheaders XXXX".
>> Setting extended headers via configuration file was correct, but
>> changing it dynamically via "ns_accesslog extendedheaders .." was
>> broken. (Issue https://sourceforge.net/p/naviserver/bugs/91/)
>>
>> - "ns_conn location": Fixed potential race condition
>>
>> It was possible that "ns_conn location" could return inconsistent
>> results in a single request, when the underlying sockPtr was
>> aggressively reused. Now, the value of the location member is
>> copied to the connection structure instead of being shared with
>> the socket structure (as before).
>>
>> - "ns_cache_eval -force": Fixed potential race condition
>>
>> There was a problem with "ns_cache_eval -force", where the system
>> relied on the existence of a pre-existing entry, but in case the
>> entry was flushed in the meantime problems a crash might have
>> happened. Now the value during the "-force" call is cleared exactly
>> like in the case of an unset operation. The null-value operations
>> are already protected until these are finished in various places
>> in the code.
>>
>> - "ns_socknread": Fix potentially wrong result for buffered channels
>>
>> - Bug fixes for problems showing up under MS Windows:
>>
>> * Make sure that the output variable of Ns_ObjvIndex() is always an
>> integer. Previously, the output variable was in two places a
>> character variable, causing crashes under MS Windows.
>>
>> * Handle incompatibility in setlocale() under MS Windows. Under
>> MS Windows, later calls to setlocale() overwrite the string
>> returned by former calls. So, it is necessary to copy of the
>> returned string of a setlocale() call under MS Windows.
>>
>> * Handling linking problems: MS Windows requires explicit handling
>> when importing symbols from .dll files (Ns_LogSqlDebug,
>> NS_intTypePtr)
>>
>> * Pass error codes from low-level function SockRecv() and
>> SockSend() via variables. This change makes sure the real error
>> code (immediately after the I/O operation) is passed to the
>> caller to avoid missed error cases and weird error message
>> (e.g. under windows).
>>
>>
>> - Bug fixes for ADP parser:
>>
>> * Support for greater than sign ">" inside attribute values.
>>
>> Previously, NaviServer determined the terminating end-of-tag
>> character as literally the first greater than sign, no matter if
>> this was used as attribute values between single or double
>> quotes.
>>
>> The new version supports such values, since the "Living Standard
>> of HTML" [1] allows the use of less than "<" and greater than
>> ">" signs inside attribute values as long these are between
>> single or double quotes. The guide [2] just recommends using
>> character escapes for "<", ">" and "&".
>>
>> [1]
>> https://html.spec.whatwg.org/multipage/syntax.html#syntax-attribute-value
>> [2] https://www.w3.org/International/questions/qa-escapes
>>
>> This problem was reported by Wolfgang Winkler
>>
>> * Clear ADP flags in case of errors (this error was present for
>> many years)
>>
>> Previously, The following ADP page could lead to a full
>> breakdown of the server, since the error states of the server
>> were never cleared, and subsequent requests served be the same
>> interpreter could lead to the old error states.
>>
>> Many thanks to Oleg Oleinick for reporting and the great test
>> cases.
>>
>> - Provide better HTTP status code for early errors: When the driver
>> terminates already a request, it might be the case that the error
>> flags were not read out. In such cases, we provide now more
>> specific status codes rather than 400.
>>
>> - ns_http:
>>
>> * Improved robustness with domain names resolving against many IP
>> addresses: When a domain name is resolved against many IP
>> addresses, and all these IP addresses block (connect returns "in
>> progress") then the old code might have looped infinitely. Now
>> the code respects the provided timeout (default set to 5s) per
>> resolved IP address.
>>
>> Many thanks to Joe Oldak for pointing out the problem and
>> leading us to the solution.
>>
>> * Fixed timeout handling during TLS handshake: This problem could
>> appear, when the TCP connection to a server succeeded quickly,
>> but the TLS handshake was taking a long time, without a raising
>> a timeout exception, although the timeout time has expired.
>>
>> - Set the default server before the init-scripts is called to make it
>> accessible from there
>>
>> - Provide compatibility between in-memory and file-based form-data
>> handling for invalid characters: Since the file based
>> implementation uses a fallback-charset of iso8859-1 when parsing
>> form data in POST requests (in order to be able to extract
>> "_charset_" data), the in-memory based variant does now the
>> same. The decision of which parser is used is taken based on the
>> size of the form data.... and should therefore be consistent.
>>
>> - nscp: Fixed problem, when the nscp module is activated but no
>> "users" section is specified. Many thanks to Andrew Piskorski for
>> reporting the problem.
>>
>> - Security Improvement: Added protection against sneaking in fake
>> NAME.tmpfile entries into form fields, when performing file upload
>> operations.
>>
>>
>> Documentation improvements:
>> ---------------------------
>>
>> - Improved the following man pages:
>>
>> doc/src/manual/adp-overview.man
>> doc/src/manual/tcl-lib-nstrace.man
>> doc/src/naviserver/commandlist.man
>> doc/src/naviserver/ns_adp.man
>> doc/src/naviserver/ns_adp_ctl.man
>> doc/src/naviserver/ns_config.man
>> doc/src/naviserver/ns_conn.man
>> doc/src/naviserver/ns_connchan.man
>> doc/src/naviserver/ns_cookie.man
>> doc/src/naviserver/ns_crypto.man
>> doc/src/naviserver/ns_http.man
>> doc/src/naviserver/ns_ictl.man
>> doc/src/naviserver/ns_locationproc.man
>> doc/src/naviserver/ns_parsehostport.man
>> doc/src/naviserver/ns_return.man
>> doc/src/naviserver/ns_set.man
>> doc/src/naviserver/ns_setprivileges.man
>>
>>
>> Configuration Files:
>> --------------------
>>
>> - New feature for the sample configuration file openacs-config.tcl
>>
>> The following variables (with prefix oacs_) can be taken from the
>> shell variables. This makes it easier to run similar variants of
>> NaviServer instances from a single configuration file, while
>> providing variables from the command line. This is e.g. useful for
>> Docker or cluster setups.
>>
>> CookieNamespace
>> bindir
>> cachingmode
>> db_host
>> db_name
>> db_port
>> db_user
>> homedir
>> hostname
>> httpport
>> httpsport
>> ipaddress
>> logroot
>> nscpport
>> server
>> serverroot
>> smtpdport
>>
>> One can use e.g.the following command to change some ports and the
>> log file during startup
>>
>> oacs_httpport=8000 oacs_httpsport=8443 oacs_smtpdport=2526 \
>> oacs_logroot=/var/www/XXXX/log-node1/ \
>> /usr/local/ns/bin/nsd -t /var/www/XXXX/etc/openacs-config.tcl ...
>>
>> - further updates for openacs-config.tcl:
>> * Added sample nssmtpd configuration
>> * Added placeholder for ClusterSecret
>> * Reflect recent Oracle requirements (tested with Oracle 19c)
>> * Added documentation for "StaticCSP", "CookieNamespace",
>> "NsShutdownWithNonZeroExitCode", "LogIncludeUserId"
>>
>> - Updated all sample configuration files
>>
>>
>> Code Changes:
>> -------------
>>
>> - Added and updated predefined MIME types based on
>> https://www.iana.org/assignments/media-types/media-types.xhtml
>>
>> - Added compile time macro NS_VERBOSE_MALLOC to identify frequent
>> *alloc operations
>>
>> - Print version of zlib during startup
>>
>> - OpenSSL maintenance:
>>
>> * Improved robustness for OCSP with OpenSSL 3.*
>>
>> The previous version crashed with OpenSSL 3.*, when OCSP was
>> tried on self-signed certificates. Aside of the fact that OCSP
>> does not make sense for self-signed certificates, the server
>> should not crash in such situations.
>>
>> * Fixed ns_crypto::aead::encrypt/decrypt test under OpenSSL 1.1.1
>> (as shipped per default, e.g. on Ubuntu 18.04.4)
>>
>> In short, the problem was that with this version of OpenSSL,
>> setting empty additional authenticated data (AAD) behaved
>> differently from other versions, namely it was clearing
>> incorrectly (forgetting) the information that the initialization
>> vector (IV) was already set. An upgrade of OpenSSL fixed the
>> problem. However, with these changes, also the stock version of
>> OpenSSL can be used. As a byproduct, better error messages are
>> now produced, the code received more cleanup (e.g. explicit
>> initialization, etc.)
>>
>>
>> - Automated testing:
>>
>> * Setup if Bitbucket + GitHub pipelines for automated regression
>> testing with multiple versions of components
>>
>> For NaviServer 4.99 the current setup performs tests with gcc-10
>> + gcc-11, Tcl 8.6.13 + 8.7a5, NSF 2.4,0 + 2.4.0, tDOM 0.9.1 +
>> 0.9.3, extra modules: nsdbpg nsdbi nsdbipg nsudp nscoap nssmtpd.
>>
>> https://github.com/nm-wu/naviserver-mirror/actions
>>
>> * Improved robustness of regression test when running with the
>> docker networking setup
>>
>> * Force nonzero exit code when regression test fails
>>
>> * Added parameter "-timeout" to call of regression test cases
>> Previously, the timeout was hard-wired to 3 seconds. One can now
>> call a test with e.g. "nstest::http -timeout 1s ... GET ..."
>>
>> * adp_compress.test: removed trailing newline to ease
>> cross-platform regression tests
>>
>> * Prefer standard Tcl test constraint "macOrUnix" over own solution
>>
>> * Extended regression tests with more test cases
>>
>> - Code management:
>> * Changed name of branch from "master" to "main"
>>
>> - Code Cleanup
>> * Improved type cleanness
>> * Removed deprecated calls to "sprintf"
>> * Improved portability for Tcl 8.7* (handling of binary data)
>>
>> - Improved comments, fixed typos
>>
>>
>> Changes in NaviServer Modules:
>> ==============================
>>
>> 39 files changed, 9658 insertions(+), 1781 deletions(-)
>>
>> General:
>> Adjust to necessary API changes in NaviServer (contains as well
>> support for the forthcoming release of NaviServer 5)
>>
>>
>> nsdbpg:
>> -------
>>
>> - new pg-driver specific command: ns_pg_prepare /sql/
>>
>> Return a dict building a prepared statement for the passed-in SQL
>> statement. The dict contains the keys "sql" and "args". The
>> function is used by e.g. OpenACS to generate prepared statements
>> from SQL commands with bind variables.
>>
>> - Raise exception when a value for a bind variable contains a NUL
>> character.
>> This value is explicitly forbidden in text strings passed to PostgreSQL.
>>
>> - Let "ns_pg" report available subcommands even when handle is not
>> specified. This makes the command compatible with the "icanuse"
>> feature in OpenACS.
>>
>>
>> nsstats:
>> --------
>>
>> - HTTP client log analysis:
>> * Provide charts for performance (using highcharts via CDN)
>> * Provide charts on request frequency (using highcharts via CDN)
>> * Provide a summary table for HTTP client requests
>> * Improved robustness against invalid URLs (containing unescaped
>> spaces)
>> * Added support for selection of different HTTP client log files
>> via web interface
>>
>> - "Process" page:
>> * Added percentage of request distribution over connection pools
>> * Added information about the connected client
>> * Added more detailed version information
>>
>> - Added cache configuration to output when looking at a single cache
>>
>> - Improved "log file" analysis
>> * Automated stripping of color codes
>>
>> * Added filter option. The filter can be used to grep for (ID)
>> strings in both the system and access logs, providing a summary
>> for the traces of a request in the access log and system log on
>> a single place.
>>
>> - Added default and usage information to "Config Parameters" page
>>
>>
>> nsoracle:
>> ---------
>>
>> - Fixed bug when streaming LOB content to connection. The old code
>> did not distinguish between binary and non-binary content. This
>> bug was discussed in
>> https://openacs.org/forums/message-view?message_id=5693661
>>
>> Bumped version number to 2.9
>>
>> - switched to plain Debug handling for debugging the driver
>>
>> The handling of Ns_LogSqlDebug is performed inside nsdb, including
>> also the printout of (long) SQL statements. Previously, the driver
>> was too chatty when Debug(sql) was turned on.
>>
>> - Added support for output columns of type SQLT_TIMESTAMP or
>> SQLT_TIMESTAMP_TZ
>>
>> This change fixes a bug, where SQL queries of the form
>>
>> SELECT TO_TIMESTAMP(sysdate) FROM dual
>>
>> lead to errors for the form:
>>
>> Database operation "getrow" failed (exception 1406,
>> "nsoracle.c:3659:Ns_OracleGetRow:
>> error in `OCIStmtFetch ()': ORA-01406: fetched column value was
>> truncated
>>
>> The driver needs for several output types special rules, where the
>> timestamp cases were not supported so far. It is also recommended
>> to set the according environment variables specifying the output
>> format in the configuration server of NaviServer, such as e.g.
>>
>> set ::env(NLS_TIMESTAMP_FORMAT) "YYYY-MM-DD HH24:MI:SS.FF6"
>> set ::env(NLS_TIMESTAMP_TZ_FORMAT) "YYYY-MM-DD HH24:MI:SS.FF6
>> TZH:TZM"
>>
>> For testing in you local Oracle installation, you might test the
>> output formats (and the required sizes with the following snippet
>> for sqlplus:
>>
>> COLUMN localtimestamp format a40
>> COLUMN systimestamp format a40
>> COLUMN ts_bytes format a80
>>
>> alter session set nls_timestamp_format='YYYY-MM-DD HH24:MI:SS.FF6';
>> select localtimestamp, length(localtimestamp), dump(localtimestamp)
>> ts_bytes from dual;
>>
>> alter session set nls_timestamp_tz_format='YYYY-MM-DD HH24:MI:SS.FF6
>> TZH:TZM';
>> select systimestamp, length(systimestamp), dump(systimestamp)
>> ts_bytes from dual;
>>
>> alter session set nls_timestamp_tz_format='YYYY-MM-DD HH24:MI:SS.FF6
>> TZR';
>> select systimestamp, length(systimestamp), dump(systimestamp)
>> ts_bytes from dual;
>>
>>
>> letsencrypt:
>> ------------
>>
>> - Added option to produce certificates with ECDSA:
>>
>> Prior to this change, all certificates were using RSA keys.
>> Since a while, keys based on elliptic curves became the preference
>> of letsencrypt.
>>
>>
>> nsshell:
>> --------
>>
>> - Fixed a bug in "ns_conn" emulation, when the "kernel" was not correctly
>> identified
>>
>>
>> _______________________________________________
>> naviserver-devel mailing list
>> naviserver-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/naviserver-devel
>>
>
>
> --
> Regards,
>
> Sassy Natan
> 972-(0)54-2203702
>
>
> _______________________________________________
> naviserver-devel mailing
> listnaviserver-devel@lists.sourceforge.nethttps://lists.sourceforge.net/lists/listinfo/naviserver-devel
>
> --
> Univ.Prof. Dr. Gustaf Neumann
> Head of the Institute of Information Systems and New Media
> of Vienna University of Economics and Business
> Program Director of MSc "Information Systems"
>
> _______________________________________________
> naviserver-devel mailing list
> naviserver-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/naviserver-devel
>
--
Regards,
Sassy Natan
972-(0)54-2203702
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