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ChangeLog
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DOMjudge Programming Contest Judging System
Version 8.2.3 - 28 February 2023
--------------------------------
- [security] Close metadata file descriptor for the child in runguard.
- Various documentation & bugfixes.
Version 8.2.2 - 20 October 2023
-------------------------------
- Bugfix to prevent errors when running a bare-install or deleting all
contests.
Version 8.2.1 - 29 May 2023
---------------------------
- Set the default domjudge_user to the current user at configure time.
- Various bugfixes.
- Adhere to CLICS 2022-07 again.
- Prevent overwriting of local .netrc when installing examples.
- Fixed some w3c html violations.
- Clarify the need for cgroupv1 when chroot creating fails.
- Fix medal awards when skipping categories.
- Do not allow to delete problems from a locked contest in the UI.
- Disallow submitting to a problem when it does not have testcases at import.
- Fix handling of binary files when editing executables.
- Recalculate all immutable hashes since the algorithm changed in the past.
Version 8.2.0 - 6 March 2023
----------------------------
- Various bugfixes & UI improvements.
- Add support for Rust as submission language.
- Add teamphotos to scoreboard zip.
- Add jury option to to download ZIP with all problem samples, attachments
and problem statement.
- Extend team import with optional room and other API extensions, see the API
doc for further details.
- Drop support for shadowing a single contest from multiple sources.
- Log account logins via API separately.
- Add support for PHP v8.2.
- Upgraded library dependencies.
- Removed output of detected entry point to teams.
- Added option to add custom apt repositories to judge chroot.
- Added CLI script to configure the domserver with a yaml file.
- Changed activation behaviour of contests imported via UI to be directly
available.
- New option added to reset login status of teams between contests.
- Highlight submissions which were judged with compiler flags which since
have changed. Useful when you find wrong flags during the contest.
- Handle network errors for judgedaemon when domserver is unavailable.
- Added super lazy mode useful for ICPC analyst instances. Here nothing is
judged unless manually requested.
- Split problem import messages in info/warning/danger, to make sure errors
are not missed when importing.
- Store user login sessions in database.
- Contest import CLI script is now rewritten in python.
- The example test problems are now imported via the contest package format.
Version 8.1.0 - 1 June 2022
---------------------------
- Document that minimum PHP version is now 7.4.0.
- Add support for PHP 8.1.
- Upgrade Symfony to 5.4 LTS and upgrade other library dependencies.
- Replace calls to deprecated `strftime` with `date`. Note: if you have
configured a custom `time_format`, you need to update it to the format
supported by `date`.
- Dropped the presentation-error verdict, databases from before DOMjudge 5.0
will be altered to replace the verdict with wrong-answer.
- Changed API import to give admin users a team.
- Balloon users can now be created via the API.
- Shadow mode will now fix missing data by reading from the primary CCS.
- Fixed cgroup naming for docker to prevent sharing the same container.
- Removed python2 in the chroot, remove python3 in favor of pypy3 in chroot.
- Added support for sentry for logging.
- Added default external IDs on all places.
- Fixed medals on scoreboard for filtered scoreboards.
- Dropped old balloons CLI.
- Reimplementation of runpipe for interactive problems.
- Individual files can now be removed from executables.
- Added mysql socket option, for when port/IP is not used.
- Added support for accounts.{yaml,json} for import script.
- Added support for judgeremaining for problems.
- Add option to delete existing testcases/attachments/other data when
importing a problem.
- Dropped support for ICPC results HTML export feature.
- Balloon runners can now always see the frozen scoreboard.
- Custom CSS can now be used for the login page.
- Removed option to use multiple timezones in same contest.
- Fixed kotlin compile script for modern versions.
Version 8.0.0 - 30 January 2022
-------------------------------
- Compilation of submissions now happens inside the chroot.
NOTE when upgrading: you need to install compilers and other
dependencies for the compile phase inside the DOMjudge chroot.
Also you need to remove the '--tmpdir' switch from the mktemp
call in the java_javac_detect compile script (when using this).
- Python 3 now uses pypy by default and is default enabled on new
installations.
- Improve performance with large amounts of affiliations.
- Judging verifier is now also available to jury users.
- Search for @EXPECTED_RESULTS@ marker in all submitted files
to validate test submissions.
- Allow users to specify their full name in self-registration.
- Add metrics API endpoint for use with Prometheus.
- Always show banner.png, if present, on the public scoreboard.
- Upgrade bundled libraries.
- Add problem statistics to team/public problem pages.
- Add support for specifying database port.
- Update API documentation to OpenAPI 3.
- Add support for loading custom CSS and JavaScript.
- Speed up loading team pictures and affiliation logos.
- Add filter on result to jury submissions page.
- Add API actions to create single team, team affiliation, team category and user.
- Add problem attachment support.
- Judge a single submission on multiple judgedaemons in parallel if the
judging queue is empty.
- Limit the size of the program output stored by default in the database;
with a button in the UI to retrieve the full output.
- Add new clarification handler role.
- Reduce cost of the hash function to handle large amounts of accounts when
generating or storing passwords.
- Improve API action to add submission to adhere to the CCS spec.
- Add API action to create clarification following CCS spec.
- Add support for showing (pending) awards on the scoreboard. Thanks @shuibinlong!
- Remove JudgehostRestriction feature due to new Judgehost API.
- Replace C++ submit client with (standalone) Python version.
- Remove old way to run interactive problems.
NOTE when upgrading: if you have an old-style interactive problem, you need
to convert it to the new style (see 'boolfind' example) or change it to
include the old run_wrapper.
- Replace jscolor by coloris.
- Created insights page in current work queue
- Increase performance by not dynamically loading classes.
- Added alternative inplace install mode
- Added PHP8.0 support
- Add option to default pause new judgedaemons
- Added medals to scoreboard
- Warn contestants if file has not been modified for some time
- Make public/team pages mostly WCAG2A compliant
- Add support to import multiple accounts per team and IP addresses for users.
Version 7.3.2 - 23 November 2020
--------------------------------
- Be more tolerant of empty lines in restapi.secret.
- Fix team manual build failure with recent rst2pdf versions.
- Update URL for imports from ICPC CMS.
- Fix team count on jury contest overview screen.
- Truncate output for sample runs on team pages.
- Fix compatibility with MySQL 8.x.
Version 7.3.1 - 10 November 2020
--------------------------------
- Fix chroot install on Ubuntu 20.04.
- Fix results.hml and results.tsv output.
- Fix race condition in scoreboard related to a Doctrine bug.
- Fix having fresh data for scheduling repeated rejudgings.
- Fix clarification filter buttons when not using queues.
- Fix database user creation for MySQL >= 8.0.
- Fix warning about DataTables initialization on judgehosts page.
- Documentation improvements.
Version 7.3.0 - 26 June 2020
----------------------------
- Move specification of database configuration out of database and into
a YAML file. Also show select boxes when appropriate.
- Rename team.externalid to team.icpcid, since it is not an external ID in
the sense the other ones are.
- Add team display name support.
- Add support for importing teams, organizations and groups using JSON.
- Add script dj_judgehost_cleanup for maintenance on judgehosts.
- Team manual source is now RestructeredText.
- Log out an active user whose password is changed, and updates to the
roles of a logged in user are effective immediately.
- Allow to "delete" testcases even with associated judgings.
- Fix permissions on webapp/var/* by using group setsid bit.
- Allow public and team to view submissions, awards and clarifications
using the API.
- Allow users with API_READER role to fetch inactive contests
- Drop smart renaming for Java public classes.
- Show browser notifications also for new balloons to be handed out.
- Add option to allow teams to download their own submission.
- Change shadow import to read data from a configuration file and store
a copy of the feed.
- Pin scoreboard header to top when scrolling page.
- Add console command to reset the password of any user.
- Many code cleanups, improvements and tests.
- Upgrade Symfony to 4.4 LTS and upgrade other library dependencies.
Version 7.2.1 - 6 May 2020
--------------------------
- Various documentation fixes and improvements.
- Fix filtering balloons by affiliation (Thanks Michael Baer).
- Fix audit log entries for newly created entities.
- Small fix to make API delete events adhere to the specification.
- Fix some edge-case bugs in the scoreboard calculation.
- Fix arguments to UploadedFile().
- Fix SQL group by leading to errors on newer DB versions (Thanks
Michael Baer).
- Fix submit help to work when baseurl is invalid.
- Various small fixes to the build/install system.
- Fix user IP address field to accept IPv6 addresses.
- Fix and document static scoreboard contest selection feature.
- Fix a sed error message on internal compile error.
- Fix link to documentation from the admin index page.
- Fix problem text links from scoreboard header.
- Fix that country select fields are hidden when show_flags is off.
- Fix editing testcase descriptions.
- Fix encoding of multiline testcase descriptions in submit graphs.
- Fix hardcoded domjudge username in SystemD service file.
- Fix compatibilty with PHP 7.4.
- Document that minimum PHP version is now 7.2.5.
Version 7.2.0 - 4 January 2020
------------------------------
- Rewrote documentation into a completely new DOMjudge Manual.
- Reduce page load times and memory requirements, especially for contests
with many problems.
- Add DB indices to improve event log updates.
- Fix doctrine query that lead to a polluted query cache.
- Multiple bug fixes with respect to first to solve.
- Fix contest clock update.
- Improve submission and judging run display in jury interface.
- Always display a flash message for skipped submissions in rejudgings
- Restrict displayed balloons to currently selected contest.
- Show affiliation logo's on jury affiliation overview page.
- Fix AJAX refreshes with multiple active contests.
- Add support for testdata subgroups.
- Store original input filename of testcases.
- API: Add endpoint to get users.
- API: Improve awards endpoint.
- API: Add endpoint to upload contest.yaml, groups.tsv, teams2.tsv, and
accounts.tsv.
- Update compiler options in internal build scripts.
- Update default configuration values to modern system limits.
- Add simple script to import a whole contest from a CLICS compatible
ccsconfig directory.
- Add a command to merge scoreboards from multiple ICPC Contest API
endpoints (#632, thanks Ragnar Groot Koerkamp).
Version 7.1.1 - 20 October 2019
-------------------------------
- Update documentation for Fedora (Thanks Marc Furon!).
- Fix printing in jury interface.
- Fix registration action.
- Fix showing user last login info.
- Fix balloon page when we do not have award info.
- Fix logging events that require higher permissions than the user
that triggers the action has.
Version 7.1.0 - 25 September 2019
---------------------------------
- Minimum PHP version is now 7.1.3.
- Use optimized composer autoloader.
- During self-registration team name and affiliation can now be specified.
- Judgedaemon will now keep retrying when an endpoint is unavailable.
- Store external judgements and runs.
- Move external CCS submission detail URL to database configuration.
- Add support for showing shadow differences and external judgements.
- Reduce dependencies of Judgedaemon.
- Also install genrestapicredentials on judgehost.
- Submit client will error early and explicitly when API calls fail.
- Improve balloons page and make filtering persist when reloading.
- Split up contest.public into contest.public and contest.open_to_all_teams,
allow public contests with a limited set of teams and private contests
with all teams.
- Upgrade Symfony and dependencies to version 4.3.
- Use Doctrine for migrations and initial data.
- Add option (enabled by default) to limit files passed to
language compilers by langauge extension list.
- Add option to add a whole team category to a contest.
- Allow admin to specify print command using configuration setting.
- Show metadata for judging runs.
- Restrict some API endpoints to jury or API users.
- Allow to download statistic graphs as SVG.
Version 7.0.3 - 11 July 2019
----------------------------
- Fix printing: disable debugging code.
- Fix import/export SQL query to run with recent MySQL versions.
- Make forms more robust against misconfigured application hostname.
- Fix balloons page showing random balloon results.
- Fix results.tsv export to always use externalId of team.
- Fix contest edit form interfering with countdown clock on same page.
Version 7.0.2 - 4 June 2019
---------------------------
- Fix first-to-solve indicators after applying a rejudging.
- Fix the public interface when there are no active contests.
- Fix performance when using the update_judging_seconds option.
- Fix performance of applying a rejudging.
- Fix judgedaemon error message on missing chroot.
- Fix highlighting of own team row in team scoreboard.
- Fix some title elements on jury submission page.
- Fix type error on jury Analysis page.
Version 7.0.1 - 6 May 2019
--------------------------
- Fix affiliation checking in Configration Checker.
- Improve feedback on errors when uploading problem zip files.
- Fix adding a team to a contest by editing the team.
- Fix submitting when sourcefiles_limit is set to 1.
Version 7.0.0 - 28 April 2019
-----------------------------
- Initial admin password is now generated on database creation, and written
to etc/initial_admin_password.secret.
- Rewrite the interface in Symfony and Bootstrap. Add many UI
improvements in the process.
- Rewrite API in Symfony, expose Swagger docs.
- Rewrite jury analysis page.
- Make interactive problem support more robust.
- Fix first-to-solve check and make it consistent across UI and API.
- Change judging directory layout to be hierarchical, i.e. to
output/judgings/$judgehost-0/endpoint-default/$cid/$sid/$jid/.
- Add explicit config check for max test case size and max_allowed_packet.
- Add API endpoint to import problems to an existing contest.
- Improve judgedaemon performance. New setting update_judging_seconds that
allows to control how often updates are sent back; less often is faster.
- Improve IP authentication and add X-headers based auth method.
- Improve submit client usability.
- Add support for the R programming language (#516 thanks Michał Kaczanowicz).
- Add support for the Swift programming language.
- Add support for creating a writable tempdirectory for submissions.
- Add option to download all sample files of a problem in a single zip.
- Upgrade Symfony to 3.4.
- Upgrade jQuery to 3.3.
- Upgrade Bootstrap to 4.1.
- Remove old v3 API.
- Remove combined_scoreboard tool.
- Removed eventdaemon again and moved its logic to the event feed API
action and just before inserting other events.
Version 6.0.3 - 15 December 2018
--------------------------------
- Fix a race condition in runguard where in rare cases not all output was
read from a pipe, resulting in wrong-answer verdicts.
- Document that php-intl is now a requirement and fix results export.
- Fix problem name sanitizing in zip upload.
- Improve error detection while uploading test cases.
- Don't break judgedaemon if in/output are missing for a testcase.
- Fix scoreboard summary row when affiliation logos are enabled.
- Do not try to set session params, fixes notices in newer PHP versions.
- Remove mention of obsolete AUTH_METHOD configuration variable.
- Fix problem import from Baylor after API change.
- Set MySQL charset to UTF8mb4 for security and Emoji reasons.
- Fix for modifying a user when the user has no roles.
- Fix that users with balloons-only privileges could view more contest
data than was strictly necessary.
Version 6.0.2 - 22 October 2018
-------------------------------
- Fix config check for default admin password.
- Fix balloon daemon for changed database structure.
- Fix flash message on login page used after self-registration.
- Fix scoreboard layout issue by preferring Roboto over sans-serif.
- Fix a bug when submitting with entry_point containing spaces.
- A few more fixes for potential errors.
Version 6.0.1 - 23 September 2018
---------------------------------
- Security: disallow login for disabled user accounts.
Thanks Henk van der Laan for reporting.
- Fix eventlog for problems type.
- dj_make_chroot: also install pypy for Ubuntu variant.
- Finalise contest: fix all clarifications answered check.
Thanks Thomas Verwoerd for reporting.
- Clarify label for same-judgehost judgehost restriction.
- Allow to import jury submissions without entry points.
- Fix change contest dropdown when using Nginx.
- API now also returns non-public contests for jury users,
and non-public contests for users that are in them.
- Fix DOMjudge logo display on Jury home.
- Fix styling of navbar for non-started contest.
Version 6.0.0 - 4 September 2018
--------------------------------
- Do not show affiliations more than once in pre-contest list.
- Fix display of timelimits in team problem overview.
- Improve SQL migration script.
Version 6.0.0RC1 - 28 July 2018
-------------------------------
- Minimum PHP version is now 7.0.
- New layout for team and public web interface including improved
scoreboard layout.
- Add "entry point" field for submissions to override auto detected
main class or file.
- Add clarification queues and allow to send canned answers.
- Add eventdaemon to create some entries for event-feed API endpoint.
- Update API to conform to ICPC Contest API specification.
- Allow installing DB default data and examples separately.
- Add option to disable starttime (pause countdown).
- A contest can now be finalized (results declared final).
- Allow to disable affiliation logos if desired.
- Reduce memory reserved for JVM overhead and make stack size
configurable in Java compile script.
- Allow configuration variables to be publicly viewable or not.
- Judgedaemon will now report 'internal error' on more failure
conditions instead of just bailing out.
- Jury edited submissions will be automatically 'claimed' by that user.
- Include team location in header of documents printed.
- No longer pass ONLINE_JUDGE and DOMJUDGE directives to submissions.
- Fix runguard bug when stdout/stderr are not redirected to file.
- Add helper script dj_run_chroot to perform chroot operations.
- Support integration with ICPC Analytics' iCAT.
- Migrate (parts of) the API and webpages to Symfony.
- Use d3 charts instead of float for statistics.
- Update ACE editor to version 1.3.3.
- Removed likely unused Dutch translation of team manual.
- Removed static_scoreboard script, use static=1 URL parameter via HTTP.
- Many small issues fixed and documentation improvements.
Version 5.3.3 - 30 July 2018
----------------------------
- Executables: allow edits only by admin.
- Allow build with PHP >= 7.2.
Version 5.3.2 - 29 December 2017
--------------------------------
- Fix runguard crash when deleting cgroups (#311).
- Parse team IDs more flexible in accounts.tsv import (#310).
- Add documentation on Apache KeepAlive settings.
Version 5.3.1 - 2 November 2017
-------------------------------
- Fix runguard reusing cpuacct cgroup potentially giving wrong runtimes.
- Increase length of auditlog.action DB column, fixing SQL error when
updating some configuration settings (#308).
- Fix testcase download filename.
- Various small documentation fixes.
Version 5.3.0 - 21 October 2017
-------------------------------
- Add support for Kotlin by mounting /bin in chroot environment.
- Add options to have second scoreboard resolution and to suppress
problem information from the scoreboard. Thanks Marc Furon.
- Change judging feedback dir ownership after compare script ran.
Fixes a crash when output validators have stderr output.
- Fix display of user IP address on jury interface.
- Various fixes to compile scripts.
- Fix automatic setting of clarification category in jury interface.
- Allow jury to view problems before contest start.
- Various small fixes to test sources.
- Delete team scoreboard cache data when deleting a team.
Version 5.2.0 - 3 October 2017
------------------------------
- [security] bind PHP session cookie to specific web URI to prevent
sharing sessions between different websites on the same host.
- [security] Add RUNGROUP configure setting to make sure that submissions
do not have access to group root files. (#250 thanks Richard Lobb)
- Allow team to download testcase data marked as 'sample'.
- Add icons to menu bars.
- Allow to filter submissions on team, problem, language.
- Show when a problem can not be judged on any judgehost.
- Add "internal error" messages to deal more graceously with judgehost
problems e.g. due to faulty compile or compare scripts.
- Detect low disk space on judgehosts and decrease space usage.
- Support OpenID Connect as login authentication provider.
- Various improvements to the import/export functionality.
- Use current contest as default when uploading problem archive.
- Allow to add user during team creation in UI.
- Make problem texts always downloadable for jury.
- Decode HTML entities for proper display of error messages in
submit client.
- The event feed and REST API now comply with ICPC WF 2016 specs.
- Disallow deleting a judgehost that has performed judgings,
since the dangling reference from the judging table makes
submissions being rejudged again.
- Performance: merge jury and public versions of cache database
tables into single tables. Please refresh scoreboard cache after
upgrade.
- Make Linux cgroups a requirement: running Java without it has
become too painful with memory overheads, also when compiling.
- Add 'output-limit' verdict.
- Renamed dj-setup-database to dj_setup_database for consistency
with other script names.
- Update ACE editor to version 1.2.6, jQuery to version 2.2.4,
and JavaScript Cookie to version 2.1.3.
- Implement better password hashing (#237 thanks Bert Peters).
- Allow float timelimits (#235).
- Add filtering to balloons page (#251 thanks Michael Baer).
- Changed semantics of dj_file_contents_get() optional size argument.
- Make storage and display limits for output/error files configurable.
- Changed special case handling of color name/hex conversion functions.
- Update make_chroot, merge Debian and Ubuntu versions, and other fixes.
- Add option -y to force yes to some make_chroot script questions.
- Many smaller bugfixes, improvements and documentation updates.
Version 5.1.0 - 7 December 2015
-------------------------------
- Minimum PHP version is now 5.4.
- Minimum MySQL/MariaDB version is now 5.5.3.
- More pervasive UTF-8 support.
Also introduces new DJ_MYSQL_COLLATION configuration setting.
- Remove CHROOT_SCRIPT configuration setting: automatically run
chroot-startstop.sh if a pre-built chroot tree is found.
- Update ACE editor to version 1.2.2, JScolor to version 1.4.5.
- Support microsecond resolution contest times and timezones.
- Port XML event feed from ICPC-live branch.
- Port clarification categories feature from ICPC-live branch.
- Merge Debian/Ubuntu chroot scripts and add minor fixes.
- Fix float compare script output and relative checking.
- Fix various small bugs in problem ZIP import.
- Fix ACE editor to resize after tab change (#145).
- Fix variance calculation in judging_statistics script.
- [security] Disable GCC family automatic language detection to
prevent submitting other languages or object/executable code.
- Write compare script errors to logfile (#179).
- Substitute invalid Unicode characters instead of producing
blank output.
- Various smaller fixes and improvements to the jury interface.
Version 5.0.0 - 11 August 2015
------------------------------
- Removed support for 'presentation-error' judgement.
- Various documentation improvements.
- Preserve aspect ratio when creating testcase image thumbnails.
- Fixed bug that REST API scoreboard "solved" was always true.
Thanks Shuhei Takahashi.
- Make REST API return properly typed values. Thanks Shuhei Takahashi.
- Synchronise selected contest between jury/team/public interfaces.
- By default only refresh caches of the selected contest.
- Show differences of a resubmission with the original submission.
- Fix length of role DB field. Thanks pinkston3 for pointing out.
- Update ACE editor to version 1.2.0.
- Update jQuery to version 2.1.4.
- Update autoconf M4 macros from upstream.
- Miscellaneous smaller fixes.
Version 5.0.0 Release Candidate 1 - 7 July 2015
-----------------------------------------------
- Add support for the problemarchive.org problem package format, thereby
dropping support for our custom format. In particular, the specification
of compare scripts has changed.
- Add support for multiple simultaneous contests.
- Add support for HTML5 desktop notifications of clarifications,
judgings and judgehost status (#133).
- Add support for optional user self-registration.
- Add support for problem points, allowing one to assign different
scoring weights to diffent problems in a contest.
- Add selection options for rejudging, and preview rejudging results
before applying them.
- Add optional per problem memory/output limits (Closes #152).
- Apply runguard limits also to compare scripts (#68).
- In runguard, kill all remaing processes in the cgroup at the end
of the run; preventing leftover processes in corner cases like
detaching from itself.
- Allow to add restrictions on contests, problems and languages to
judgehosts.
- Allow judgedaemons to query multiple domservers.
- Allow storing optional descriptive image for each test case.
- Add support for accounts.tsv import, results.tsv and userdata.tsv export.
- Add support for additional per-team penalty time (can be negative).
- Move checktestdata to stand-alone repository.
- Update dj_make_ubuntu_chroot to Trusty (#139, thanks Ruud Koot).
- Fix diff display on team submission output page when showing the
result of sample testcases is enabled (#137, thanks Ruud Koot).
- In Haskell run script, set maximum stack size to someting small to
prevent ghc from running out of memory (#138, thanks Ruud Koot).
- Update ACE editor to 1.1.8, JScolor to 1.4.4.
- Improve installation on and documentation for Red Hat(like) Linux.
- Root is not required anymore for 'make install'.
- Raise minimum required PHP version to 5.3.3.
Version 4.0.0 - 22 July 2014
----------------------------
- Fix chroot create script when using an APT proxy.
- Fix broken link to problem download for teams and public.
- Small tweaks to new judgehost load display.
- Display problem/language name instead of ID above submission lists.
- Install ACE and flot Javascript library files.
- Rename SQL upgrade snippet to release name.
- A few miscellaneous minor code improvements.
Version 4.0.0 Release Candidate 1 - 8 July 2014
-----------------------------------------------
- checktestdata logical operators are now '&&' and '||'.
- Introduce REST API; used by judgedaemon and submit client to communicate
with domserver. API is not officially declared 'stable' at this point.
- Removed submitdeamon; submit client now always uses the REST API.
- Removed xml plugin interface; use the REST API instead.
- Move nearly all judgehost configuration to the database, making it
controllable centrally from the DOMjudge web interface, including all
compile and check scripts.
- Problem, team and affiliation now have a numeric auto-incrementing ID.
Problem short names now need to be unique per contest, but not globally.
- Redesign authentication system: there's a single set of users for all
interfaces, which may have different roles, such as team or admin.
- Submitclient now also works with user/password authentication.
- New authentication scheme 'external' leverages Apache to provide a
REMOTE_USER value.
- New scoreboard layout: more compact, affil. logos replaced by names.
- Store timestamps in database as Unix epoch, independent of time zones
with subsecond resolution.
- Store recognized language extensions in database and query from
submit client through REST API.
- Show diff of team and reference output even if run stopped prematurely.
- Make timelimit overshoot margin configurable.
- Judge too-late submissions without scoring them (Closes #99).
- Update jscolor and sorttable javascript to latest upstream versions.
- Misc. minor bugs fixed reported by Coverity scan.
- Replace flex++ by flexc++, fixes a missing build dep. and code cleanup.
- Add support for new languages: Prolog, Ruby, JavaScript.
- Replace GeSHi syntax highlighter with Ace javascript code editor.
- [security] Compile as unprivileged user to prevent compile-time access
to e.g. testdata files.
- Added rankcache_* tables to improve scoreboard page for large contests
(thanks to the Amrita people), renamed scoreboard_* tables to match.
- Added support for publicly visible sample testcases.
- Move compile/run/compare scripts to database (Closes #123).
- Add option to have compiler-error not add penalty time (Closes #127).
- Gather and store metadata from runguard and start work to completely
separate program/runguard stderr output (Closes #122).
- Add statistics page with a graph of submissions during the contest.
- Add ICPC import/export, both via TSV files and via their web service.
- Notify admin of judgehosts that are down by indicating this in the
menu bar.
- Overhauled layout of submission detail page.
- Changed Java classname detection to use reflection instead of javap.
- Added script misc-tools/judging_statistics to extract various
statistics (variations in judging results and runtimes, etc.).
Version 3.4.0 - (unreleased)
----------------------------
- Add problem text to database and support viewing in PDF/HTML/ASCII.
- Add optional printing support via DOMjudge web interface. Using
local system printing remains the preferred way.
- Change non-lazy evaluation to also return the result to the team
as soon as possible while continuing to judge the remaining test
cases.
- Display verification comment for previous run.
- Check IP address equivalence with inet_pton.
- Do not apply framing protection to public interface.
- Update GeSHi to upstream 1.0.8.11.
- Update JSColor to upstream 1.4.0.
- Increase highlighted source limit from 10 kB to 32 kB.
- Add mapping to GeSHi highlighting to translate DOMjudge language
ID's to their GeSHi counterparts.
- Move configuration data to separate SQL file.
- Store CPU/wall time limits in double to prevent overflows.
- Fix bug: CSS class missing in disabled balloon interfaces rows.
- Fix bug: link to CSS colour names reference was broken.
- Make Java class name detection compatible with Java 7.
- Make Haskell example source compatible with newer GHC versions.
- Make default colour for observers grey instead of yellow.
- Fix bug: buffer underflow bug in runguard when compiled on Ubuntu 12.04:
added check for closed pipe (file descriptor == -1). Thanks Keith Johnson.
- Fix bug: change absolute time strings for those times which are specified
as relative time when starttime was changed by "start now".
- Fix bug: long overflow in runguard / output_exit_time.
- Fix bug: add missing $pagename to check_judgings.php.
- Fix bug: race condition in runguard where the forked child terminates
before the parent could setup a signal handler.
- Fix bug: handle gracefully events deleted from the database.
- Fix bug: submitclient compile error with g++ (Debian 4.7.1-2) 4.7.1.
- Don't let sudo try to read passwords.
- Various documentation improvements.
- Add cascading delete on submitid to balloons table.
- Support stringwise token compare and ignoring whitespace in check_float.
- Add option to generate testdata and add ASSERT to checktestdata syntax.
- Extend checktestdata syntax: arrays, strings, UNIQUE, INARRAY tests.
- Correct mount bind option, see Debian bug #677815. Ported from
WISVCH/DOMjudge tree at GitHub.
- Add program to "relive" simulate original contest submissions.
- Add option to display favourite teams on top of the public scoreboard.
- Make format of timestamps in web interfaces configurable.
- Use PHP multibyte string functions where applicable. Thanks Vladimir
Vassiliev for the bug report.
- Use HTML5 for multiple file uploads and form validation, when available.
- Fix: close all file descriptors when daemonizing (no PHP solution yet).
- Upgrade to PHP's 'mysqli' extension instead of the legacy 'mysql'.
- Switch make_chroot to Debian 7.0 'Wheezy' and OpenJDK 7.
- Add support for memory control in rungard with Linux cgroups.
Patch provided by Keith Johnson.
- Prevent network access from runguard when cgroups are enabled.
- Pass ONLINE_JUDGE and DOMJUDGE directives to submissions.
- Add support for new languages: Python3, Ada, Fortran, Lua, Scala.
- Make it explicit that rejudging 'all' does not include CORRECT submissions.
- Allow to (de)activate judgehosts on the judgehosts overview page.
- Apply the z-index to the clock only, otherwise the refresh button
stops being clickable.
- Remove unnecessary sleep from submitting test sources.
- Run C preprocessor on Fortran source to be able to pass defines.
- Also install an Ubuntu chroot creation script.
- Support deleting a problem description.
- Move the balloon daemon configuration into domserver-config, and install
it by default.
- Mount lib64 in the chroot if it exists.
- Allow multiple judgedaemons to be run on the same host, and use cgroups
to bind each to a separate CPU core.
- Judgehosts will auto-register with the domserver and do not need to be
manually listed beforehand.
- Fix bug that teampage_first_visit would be updated on each visit.
- Update clock in web interface each second through JavaScript.
- Further tighten permissions on files written when judging submissions,
to make the case when not using chroot more secure.
- Add c++ as a language extension for C++.
- Display a total and maximum of all testcase runtimes for a submission,
and always print runtimes with two decimals.
- Judgehosts update their status after each testcase to prevent
warning/critical status with many testcases.
Version 3.3.0 - 29 May 2012
---------------------------
- Fix bug: don't show unverified submission details if verification is
required. Thanks Keith Johnson.
- Add sourcefiles_limit setting, upper bound on the number of source
files in one submission.
- Improve polishing of multifile submission handling.
- Preselect original text in clarification form.
- Remove judgehost from submission overview tables.
- Calculate team that first solved a problem per sortorder.
- Do not show submission form when contest has not yet started.
- Add button to submission list to view only unjudged submissions.
- Improve performance of checkconfig under large databases.
- Change runguard kill process to remove unnecessary sleep()s.
- Create chroot once per judging instead of once per testcase to
remove overhead of repeated chroot start/stopping.
- Make chroot bind mounts read-only for extra security.
- Refresh scoreboard cache only after a warning has been acknowledged.
- Add advisory locking to calcScoreRow() updating of scoreboard cache,
to prevent accidental high database load.
- Check for unfinished judgings on judgehost startup and give
them back to the queue.
- Display problem description in submit confirmation dialog.
- Add configure-variables-interpolated sudoers.d-snippet.
- Fix JS sorting on id for several tables.
- Sort problems from the current contest to the top on the problems
overview page.
- Add optional judge comment field to judging verification.
- Redirect to originating page after verification of submission.
- Move checktestdata grammar specification to separate file
and publish as public domain.
- Add possibility to export a problem to a zip-bundle.
- Add specification of DOMjudge problem format zip-bundle.
- Add admin button to rejudge all submissions in the current contest.
Version 3.3.0 Release Candidate 1 - 30 April 2012
-------------------------------------------------
- [INCOMPATIBLE CHANGE,security] enable cURL SSL host/peer verification
in the command line submit client. This requires any self-signed
certificates now to be available to libcURL on a team machine.
- Add compile script and test source for language 'bash'.
- Prioritize to team's last judging (port from ETH tree).
- Fix testing for empty output with strlen (port from ETH tree).
- Update M4 macro's from upstream, fixing some problems.
- Fix configure script to allow subdir customization in FHS mode.
- Upgrade included dash shell to version 0.5.7-2.
- Use Debian 6.0 Squeeze for building Java chroot.
- Fix warning of runguard trying to reset resource limits to infinity.
- Fix minor bug in diff output coloring due to line number overflow.
- Rename SQL upgrade snippets and add README file for these.
- Raise minimum required PHP version to 5.2.
- Judges now use individual accounts to access the jury webinterface,
which will be used to track claiming, verification, etc.
- Add auditlog for all actions changing contest state.
- Protect against clickjacking by forbidding framing using the
X-Frame-Options HTTP header supported in modern browsers.
- Reimplement balloon tracking and notification backend.
- Display current contest prominently on contests page and provide
button to have the next contest milestone happen now.
- Add script to automatically submit solutions and clarifications.
- Remove duplicate queries in scoreboard generation.
- Add team 'enabled' switch which defaults to true, but when
disabled makes a team to immediately disappear from the
scoreboard and renders their team interface unusable.
- Support 'first for contest/team/problem' comments for balloons.
- Change ISO 3166-1 country codes from alpha-2 to alpha-3.
- Use CPU time as primary limit (port from ETH tree).
- Move checktestdata code to separate library for easier use in
stand-alone checkers, and add 'IF() [ELSE] END' syntax.
- Add option to display pending submissions on the scoreboard.
- Remove 'identify daemon' experimental code. It hasn't been
working for years and no-one discovered that.
- Remove 'lib.config' experimental library for INI-file configuration.
It was unused and we're moving to DB stored config with lib.dbconfig.
- Merge all MySQL users into one omnipotent user (previously
domjudge_jury). The differences between the levels were
getting to a point where the separation provided not enough
added benefit anymore. You should remove the users
domjudge_{team,public,plugin} from MySQL and dbpasswords.secret.
- Add configuration page to admin interface and move various variables
from etc/*-config.php to the DB configuration table.
- Support inclusion of external libraries under the lib/ext/ path.
- Include a copy of the GeSHi syntax highlighter.
- Result remapping is now done on each testcase result, in order
to avoid surprising interactions with results_prio. A message
is logged for each remapping done.
- Transparant redirection of stdio through runguard, Closes: #89.
- Display first solved in scoreboard (suggested by Andrés Mejía).
- Fix source code diff function to work with resubmitting modified
source from the jury interface.
- Support submissions consisting of multiple source files.
- Replace check_judgings script by web page in jury interface ('judging
verifier').
- Add toggle link for showing/hiding verdicts of previous submission by same
team.
Version 3.2.0 - SVN r3594 (unreleased)
--------------------------------------
- Add better support for interactive problems, add sample problem.
- New, redesigned single page "dashboard" team web interface.
- Change execute() function for more flexible I/O redirection.
- Add runpipe program for connecting stdin/out of two processes.
- Rename compare_program.sh to *_wrapper, allow symlinked usage.
- Add FLOAT command and exponentiation to checktestdata program.
- Add countdown before contest and timezone to clock.
- Add daemon support in C/PHP libraries, use for submit/judgedaemon.
- Add category to balloons list and button to view only unsent.
- Lots of small changes to C/C++ sources and build system for better
POSIX compliance and portability; support LLVM clang compiler.
- Replace bash by POSIX shell in compile, testcase_run. (Closes: #1735673)
- Create separate execdir subdir for judging. (Closes: #3041492)
- Replace setuid root installation of runguard with invocation
via sudo.
- Fix missing permissions for plugin interface SQL user.
- Remove CHROOTDIR (mountpoint prefix) variable to avoid confusion
with the directory where the Java chroot was created.
- Redirect to submissions overview page after verification.
- Fix information leak in clarification problems list. (Closes: #3096018)
- In JS problem name detection, probid needs to be casenormalised too.
- Fix websubmit when using numeric problem ID's, thanks Vladimir Vassiliev.
- Allow specification of contest times relative to starttime.
- Add toggle button for autorefresh of jury pages (port from ETH tree).
- Add support for team authentication via LDAP server (port from ETH tree).
- Pass SYSLOG variable from PHP config to C/C++ programs via environment.
- Set MySQL connection encoding explicitly. Introduces a new option:
DJ_CHARACTER_SET_MYSQL.
- Add 'frozen' flag option to scoreboard plugin interface.
- Remove language 'extension' column from SQL database, langid is now
used for source file extensions.
- Add multiselect filters on scoreboard with javascript hiding.
- Add cascaded deletes to DB tables: most data can now be deleted from
the admin webinterface.
Version 3.1.0 - 14 July 2010
----------------------------
- Add multiple testcases support.
- Add PHP session support as alternative to IP address authentication.
Based on patches by Tobias Werth.
- Bugfixes and improvements to checktestdata program.
- Fix error trapping in subshells, thanks Jan Jergus. (Closes: #2866430)
- Fix bug in lib.database.php with array_map "class::method" notation.
- Add 'enabled' field to contest to allow for easier editing.
- Only show the configured submission methods in the team manual.
- Fix install of gendbpasswords and use /dev/urandom.
- Add documentation on static_scoreboard.
- Add problem subject to clarifications, idea from DomJudge@FAU.
- Add WHILE command and tests to checktestdata syntax.
- Move PENALTY_TIME variable out of common-config into domserver-config.
- Add combined_scoreboard script to view scoreboard of multiple sites.
- The judgedaemon now tries to restore a lost db connection (Closes: #2897130)
- Fix: check for both htpasswd{,2} binaries in configure.
- Fix white problem colour by adding a circle image with black border.
- Ports from ETH tree: use pipes with wc and gcc.
- Fix bug: typo in presentation-error exitcode, and add safeguard.
- Add security: check for stale judging directories (port from ETH tree).
- Bugfix: allow zero size testcases (port from ETH tree).
- Show config checker runtime (port from ETH tree).
- Make syntax highlighting more modular, and add support for the
GeSHi syntax highlighter.
- Add sample PDF problem texts for inclusion in the database.
- Fix bug in handling of libmagic cookie.
- Refactor team authentication code to allow for other methods.
- Eliminate WEBBASEURI setting.
- Add JavaScript colour picker to balloon colour edit box, using
jscolor 1.3.1 by Jan Odvárko.
- Improve layout and usability of displayed tables.
- Add "viewing" to verification status in jury submission list, idea
from DomJudge@FAU.
- Added AWK, C# and Python language support.
- Added upgrade support for the SQL database.
- Fix some HTML escaping issues found with skipfish.
- In chroot-startstop, cope properly with /lib64 being a symlink to
/lib. Thanks Christoph Dittmann.
- Enforce the previously implicit notion that probid may only consist
of characters in "a-zA-Z0-9_".
- Fix SQL syntax error in restore_sources2db script.
- Upgrade included dash shell to version 0.5.5.1-6.
- Fix swapped error messages in submit client.
- Correctly handle empty optional diff file argument.
- Include standard C headers in misc/scanner.h.
Version 3.0.0 Release Candidate 2 - 3 September 2009
----------------------------------------------------
- Fix directory install permissions.
- Only show languages that are not submitable as 'disabled'
and show a separator between contests on the problems page.
- Minor updates to team manual.
Version 3.0.0 Release Candidate 1 - 16 June 2009
------------------------------------------------
- Raise required PHP version to 5.
- Replace included static bash by dash shell.
- Revise team manual.
- Add missing link to add testcases to a new problem.
- Fix bug causing segfaults of submitdaemon. (Closes: #2046031)
- Added script to check results of submitted test-sources.
- Added 'checktestdata' script for checking testdata via grammar specification.
- Add support for FHS directory structure installation.
- Move all configure paths to globally included paths.mk file.
- Repair broken documentation build/install system.
- MySQL table types are now InnoDB. Define foreign key relations
between tables (Closes: #2144325).
- Use db values instead of the userinput. (Closes #2144718)
- Add a FLUSH PRIVILEGES statement after user grants during
installation, as this may be necessary to have MySQL pick up
all changes correctly.
- Don't use -fstack-protector under Cygwin. (Closes: #2144713)
- Distribute prebuilt versions of the admin and judge manuals and
remove svn,expdlist downloads for the team manual.
- New compactified layout of team manual.
- Add note about Java class naming in team manual. (Closes: #2153189)
- Add Java compile script that autodetects class name. (Closes: #1964765)
- Add binary file check in commandline submit. (Closes: #2046017)
- Make HTML tables sortable in the jury view.
- Removed "feature" of only allowing alnum chars in filename base
for submit client problem parsing.
- Show truncated team names instead of logins in submissions overview.
- Fix bug of submittime==endtime not showing as too-late, thanks Tobias Werth.
- Replace 'hostname --short' option, fixing inconsistent results.
- Merge changes in ipv6 branch to trunk, IPv6 comparison not yet functional.
- Show unread clafications in the title of the team clarifications page.
(Closes: #2148054)
- Added test sources for java class name, network and root user.
- Only wrap unquoted lines in clarification texts. (Closes: #2244652)
- Only build submit client/daemon on request via configure. (Closes: #2046029)
- Flush results in config checker for better feedback.
- Fixed DB installation support with script 'dj-setup-database'.
- Update included dash shell to version 0.5.5.1-2 (Debian upstream).
- Replace beep by alert plugin program. (Closes: #1878083)
- Add functionality and fix security issue in runguard, thanks Thomas Rast.
- Check for safe_mode before diff-ing tempfiles. (Closes: #1808354)
- Proper error message when entering a team ip that's already in use.
- Remove javascript sorting from table columns where it doesn't make sense.
- Commandline submitclient supports only http by default now.
- Remove redundant copies of testdata by symlinks. (Closes #2805385)
- Java chroot script now uses Sun's OpenJDK-headless, allowing for a leaner
chroot and more supported architectures.
- Reorder source tree: removed bin dir, move test-sources to tests, cleanup.
- Fix DEBUG_JUDGE option for debugging judging backend.
- FreeBSD porting fixes, making DOMjudge more POSIX compliant.
- Make DOMjudge work when PHP's short_open_tag = Off.
- Add support for staged installs (DESTDIR).
Version 2.2.0 - 11 August 2008
------------------------------
- Do not install domjudge straight in $HOME by default.
- [security] Add sanity check in jury interface whether basic authentication
is enabled, and lock down jury inferface also for non-GET/POST requests
- Fix race condition in team password check.
- Improved MySQL query performance.
- Move .htaccess config to apache config.
- Fix 'NONINTERACTIVE' undefined (Closes: #1814594, thanks Maks Verver)
- Moved beep system call to separate function in lib.misc.{c,php}.
- Switch to UTF-8 for output. (Closes: #1742460)
- Represent balloon colours with a symbol rather than filling the background,
making the scoreboard less cacophonic. (Closes: #1808561)
- Add a web based tool for tracking balloon handouts.
- Fix C compiler warnings by using 'const char *'.
- Fix noninteractive/logging code in websubmit to restore submitclient
error parsing (Closes: #1829621).
- Fix variable name in judge/compare_program.sh.
- Added make dist target and removed generated figures.
- Added cookie for last verifier in jury webinterface (Closes: #1742044).
- Added option to only show unverified submissions in jury interface.
- Fix bug that jury was not allowed to set clarifications (un)answered.
- Fix problem that runguard ignored SIGALRM on some distributions (thanks
Tobias Werth).
- New required activatetime field for a contest: defines the moment the
team/public displays start to display this contest, but no submissions
accepted yet. Solves the problem of testsession data still displayed upto
the second before a contest starts (Closes: #1825555).
- Rename contest.lastscoreupdate to freezetime to be more clear
and in line with other table attributes.
- Add salt to passwords' md5 hashes.
- Move setting resource limit from run script to runguard.
- Added signal detection to daemons for graceful shutdown (Closes: #1808478).
- Fixed bug in test-stacksize.c due to compiler optimization
(Closes: #1788820).
- Add some rudimentary tests.
- Remove websubmitdaemon, submit directly to database (Closes: #1737229).
- Add script to restore submission table from SUBMITDIR files.
- Complete implementation of syslog logging (now also for C/C++).
- Send jury user back to referrer page after edits (Closes: #1821543).
- Remove .php extensions from commandline scripts.
- Higher displayed precision in float compare.
- Fix submit_copy to use bash.
- Make it easier to return custom result codes for a judging.
- Added support for "presentation error" results.
- Enable GCC security features for compiling DOMjudge helper programs.
- Automatically generate apache.conf from global.conf (Closes: #1778059).
- Added work-in-progress code for eventdaemon (Working on: #1682761).
- Added printer friendly version of jury scoreboard.
- Restyle configchecker and also check MySQL version and max_connections.
- Explicitly use DBSERVER host with mysql install (Closes: #1955439).
- Display time left to end of contest on every page (Closes: #1960940).
- Move php files that shouldn't be served to lib/www (Closes: #1957891).
- The admin can exclude submissions from a team's score (Closes: #1742043).