CHANGES - 2.3.3 - 2020-04-24 ============================ Changes in CUPS v2.3.3 ---------------------- - CVE-2020-3898: The `ppdOpen` function did not handle invalid UI constraint. `ppdcSource::get_resolution` function did not handle invalid resolution strings. - CVE-2019-8842: The `ippReadIO` function may under-read an extension field. - Fixed WARNING_OPTIONS support for GCC 9.x Changes in CUPS v2.3.2 ---------------------- - Localization updates. Changes in CUPS v2.3.1 ---------------------- - Documentation updates (Issue #5661, #5674, #5682) - CVE-2019-2228: The `ippSetValuetag` function did not validate the default language value. - Fixed a crash bug in the web interface (Issue #5621) - The PPD cache code now looks up page sizes using their dimensions (Issue #5633) - PPD files containing "custom" option keywords did not work (Issue #5639) - Added a workaround for the scheduler's systemd support (Issue #5640) - On Windows, TLS certificates generated on February 29 would likely fail (Issue #5643) - Added a DigestOptions directive for the `client.conf` file to control whether MD5-based Digest authentication is allowed (Issue #5647) - Fixed a bug in the handling of printer resource files (Issue #5652) - The libusb-based USB backend now reports an error when the distribution permissions are wrong (Issue #5658) - Added paint can labels to Dymo driver (Issue #5662) - The `ippeveprinter` program now supports authentication (Issue #5665) - The `ippeveprinter` program now advertises DNS-SD services on the correct interfaces, and provides a way to turn them off (Issue #5666) - The `--with-dbusdir` option was ignored by the configure script (Issue #5671) - Sandboxed applications were not able to get the default printer (Issue #5676) - Log file access controls were not preserved by `cupsctl` (Issue #5677) - Default printers set with `lpoptions` did not work in all cases (Issue #5681, Issue #5683, Issue #5684) - Fixed an error in the jobs web interface template (Issue #5694) - Fixed an off-by-one error in `ippEnumString` (Issue #5695) - Fixed some new compiler warnings (Issue #5700) - Fixed a few issues with the Apple Raster support (rdar://55301114) - The IPP backend did not detect all cases where a job should be retried using a raster format (rdar://56021091) - Fixed spelling of "fold-accordion". - Fixed the default common name for TLS certificates used by `ippeveprinter`. - Fixed the option names used for IPP Everywhere finishing options. - Added support for the second roll of the DYMO Twin/DUO label printers. Changes in CUPS v2.3.0 ---------------------- - CVE-2019-8696 and CVE-2019-8675: Fixed SNMP buffer overflows (rdar://51685251) - Added a GPL2/LGPL2 exception to the new CUPS license terms. - Documentation updates (Issue #5604) - Localization updates (Issue #5637) - Fixed a bug in the scheduler job cleanup code (Issue #5588) - Fixed builds when there is no TLS library (Issue #5590) - Eliminated some new GCC compiler warnings (Issue #5591) - Removed dead code from the scheduler (Issue #5593) - "make" failed with GZIP options (Issue #5595) - Fixed potential excess logging from the scheduler when removing job files (Issue #5597) - Fixed a NULL pointer dereference bug in `httpGetSubField2` (Issue #5598) - Added FIPS-140 workarounds for GNU TLS (Issue #5601, Issue #5622) - The scheduler no longer provides a default value for the description (Issue #5603) - The scheduler now logs jobs held for authentication using the error level so it is clear what happened (Issue #5604) - The `lpadmin` command did not always update the PPD file for changes to the `cupsIPPSupplies` and `cupsSNMPSupplies` keywords (Issue #5610) - The scheduler now uses both the group's membership list as well as the various OS-specific membership functions to determine whether a user belongs to a named group (Issue #5613) - Added USB quirks rule for HP LaserJet 1015 (Issue #5617) - Fixed some PPD parser issues (Issue #5623, Issue #5624) - The IPP parser no longer allows invalid member attributes in collections (Issue #5630) - The configure script now treats the "wheel" group as a potential system group (Issue #5638) - Fixed a USB printing issue on macOS (rdar://31433931) - Fixed IPP buffer overflow (rdar://50035411) - Fixed memory disclosure issue in the scheduler (rdar://51373853) - Fixed DoS issues in the scheduler (rdar://51373929) - Fixed an issue with unsupported "sides" values in the IPP backend (rdar://51775322) - The scheduler would restart continuously when idle and printers were not shared (rdar://52561199) - Fixed an issue with `EXPECT !name WITH-VALUE ...` tests. - Fixed a command ordering issue in the Zebra ZPL driver. - Fixed a memory leak in `ppdOpen`. Changes in CUPS v2.3rc1 ----------------------- - The `cups-config` script no longer adds extra libraries when linking against shared libraries (Issue #5261) - The supplied example print documents have been optimized for size (Issue #5529) - The `cupsctl` command now prevents setting "cups-files.conf" directives (Issue #5530) - The "forbidden" message in the web interface is now explained (Issue #5547) - The footer in the web interface covered some content on small displays (Issue #5574) - The libusb-based USB backend now enforces read limits, improving print speed in many cases (Issue #5583) - The `ippeveprinter` command now looks for print commands in the "command" subdirectory. - The `ipptool` command now supports `$date-current` and `$date-start` variables to insert the current and starting date and time values, as well as ISO-8601 relative time values such as "PT30S" for 30 seconds in the future. Changes in CUPS v2.3b8 ---------------------- - Media size matching now uses a tolerance of 0.5mm (rdar://33822024) - The lpadmin command would hang with a bad PPD file (rdar://41495016) - Fixed a potential crash bug in cups-driverd (rdar://46625579) - Fixed a performance regression with large PPDs (rdar://47040759) - Fixed a memory reallocation bug in HTTP header value expansion (rdar://problem/50000749) - Timed out job submission now yields an error (Issue #5570) - Restored minimal support for the `Emulators` keyword in PPD files to allow old Samsung printer drivers to continue to work (Issue #5562) - The scheduler did not encode octetString values like "job-password" correctly for the print filters (Issue #5558) - The `cupsCheckDestSupported` function did not check octetString values correctly (Issue #5557) - Added support for `UserAgentTokens` directive in "client.conf" (Issue #5555) - Updated the systemd service file for cupsd (Issue #5551) - The `ippValidateAttribute` function did not catch all instances of invalid UTF-8 strings (Issue #5509) - Fixed an issue with the self-signed certificates generated by GNU TLS (Issue #5506) - Fixed a potential memory leak when reading at the end of a file (Issue #5473) - Fixed potential unaligned accesses in the string pool (Issue #5474) - Fixed a potential memory leak when loading a PPD file (Issue #5475) - Added a USB quirks rule for the Lexmark E120n (Issue #5478) - Updated the USB quirks rule for Zebra label printers (Issue #5395) - Fixed a compile error on Linux (Issue #5483) - The lpadmin command, web interface, and scheduler all queried an IPP Everywhere printer differently, resulting in different PPDs for the same printer (Issue #5484) - The web interface no longer provides access to the log files (Issue #5513) - Non-Kerberized printing to Windows via IPP was broken (Issue #5515) - Eliminated use of private headers and some deprecated macOS APIs (Issue #5516) - The scheduler no longer stops a printer if an error occurs when a job is canceled or aborted (Issue #5517) - Added a USB quirks rule for the DYMO 450 Turbo (Issue #5521) - Added a USB quirks rule for Xerox printers (Issue #5523) - The scheduler's self-signed certificate did not include all of the alternate names for the server when using GNU TLS (Issue #5525) - Fixed compiler warnings with newer versions of GCC (Issue #5532, Issue #5533) - Fixed some PPD caching and IPP Everywhere PPD accounting/password bugs (Issue #5535) - Fixed `PreserveJobHistory` bug with time values (Issue #5538) - The scheduler no longer advertises the HTTP methods it supports (Issue #5540) - Localization updates (Issue #5461, Issues #5471, Issue #5481, Issue #5486, Issue #5489, Issue #5491, Issue #5492, Issue #5493, Issue #5494, Issue #5495, Issue #5497, Issue #5499, Issue #5500, Issue #5501, Issue #5504) - The scheduler did not always idle exit as quickly as it could. - Added a new `ippeveprinter` command based on the old ippserver sample code. Changes in CUPS v2.3b7 ---------------------- - Fixed some build failures (Issue #5451, Issue #5463) - Running ppdmerge with the same input and output filenames did not work as advertised (Issue #5455) Changes in CUPS v2.3b6 ---------------------- - Localization update (Issue #5339, Issue #5348, Issue #5362, Issue #5408, Issue #5410) - Documentation updates (Issue #5369, Issue #5402, Issue #5403, Issue #5404) - CVE-2018-4300: Linux session cookies used a predictable random number seed. - All user commands now support the `--help` option (Issue #5326) - The `lpoptions` command now works with IPP Everywhere printers that have not yet been added as local queues (Issue #5045) - The lpadmin command would create a non-working printer in some error cases (Issue #5305) - The scheduler would crash if an empty `AccessLog` directive was specified (Issue #5309) - The scheduler did not idle-exit on some Linux distributions (Issue #5319) - Fixed a regression in the changes to ippValidateAttribute (Issue #5322, Issue #5330) - Fixed a crash bug in the Epson dot matrix driver (Issue #5323) - Automatic debug logging of job errors did not work with systemd (Issue #5337) - The web interface did not list the IPP Everywhere "driver" (Issue #5338) - The scheduler did not report all of the supported job options and values (Issue #5340) - The IPP Everywhere "driver" now properly supports face-up printers (Issue #5345) - Fixed some typos in the label printer drivers (Issue #5350) - Setting the `Community` name to the empty string in `snmp.conf` now disables SNMP supply level monitoring by all the standard network backends (Issue #5354) - Multi-file jobs could get stuck if the backend failed (Issue #5359, Issue #5413) - The IPP Everywhere "driver" no longer does local filtering when printing to a shared CUPS printer (Issue #5361) - The lpadmin command now correctly reports IPP errors when configuring an IPP Everywhere printer (Issue #5370) - Fixed some memory leaks discovered by Coverity (Issue #5375) - The PPD compiler incorrectly terminated JCL options (Issue #5379) - The cupstestppd utility did not generate errors for missing/mismatched CloseUI/JCLCloseUI keywords (Issue #5381) - The scheduler now reports the actual location of the log file (Issue #5398) - Added USB quirk rules (Issue #5395, Issue #5420, Issue #5443) - The generated PPD files for IPP Everywhere printers did not contain the cupsManualCopies keyword (Issue #5433) - Kerberos credentials might be truncated (Issue #5435) - The handling of `MaxJobTime 0` did not match the documentation (Issue #5438) - Fixed a bug adding a queue with the `-E` option (Issue #5440) - The `cupsaddsmb` program has been removed (Issue #5449) - The `cupstestdsc` program has been removed (Issue #5450) - The scheduler was being backgrounded on macOS, causing applications to spin (rdar://40436080) - The scheduler did not validate that required initial request attributes were in the operation group (rdar://41098178) - Authentication in the web interface did not work on macOS (rdar://41444473) - Fixed an issue with HTTP Digest authentication (rdar://41709086) - The scheduler could crash when job history was purged (rdar://42198057) - Fixed a crash bug when mapping PPD duplex options to IPP attributes (rdar://46183976) - Fixed a memory leak for some IPP (extension) syntaxes. - The `cupscgi`, `cupsmime`, and `cupsppdc` support libraries are no longer installed as shared libraries. - The `snmp` backend is now deprecated. Changes in CUPS v2.3b5 ---------------------- - The `ipptool` program no longer checks for duplicate attributes when running in list or CSV mode (Issue #5278) - The `cupsCreateJob`, `cupsPrintFile2`, and `cupsPrintFiles2` APIs did not use the supplied HTTP connection (Issue #5288) - Fixed another crash in the scheduler when adding an IPP Everywhere printer (Issue #5290) - Added a workaround for certain web browsers that do not support multiple authentication schemes in a single response header (Issue #5289) - Fixed policy limits containing the `All` operation (Issue #5296) - The scheduler was always restarted after idle-exit with systemd (Issue #5297) - Added a USB quirks rule for the HP LaserJet P1102 (Issue #5310) - The mailto notifier did not wait for the welcome message (Issue #5312) - Fixed a parsing bug in the pstops filter (Issue #5321) - Documentation updates (Issue #5299, Issue #5301, Issue #5306) - Localization updates (Issue #5317) - The scheduler allowed environment variables to be specified in the `cupsd.conf` file (rdar://37836779, rdar://37836995, rdar://37837252, rdar://37837581) - Fax queues did not support pause (p) or wait-for-dialtone (w) characters (rdar://39212256) - The scheduler did not validate notify-recipient-uri values properly (rdar://40068936) - The IPP parser allowed invalid group tags (rdar://40442124) - Fixed a parsing bug in the new authentication code. Changes in CUPS v2.3b4 ---------------------- - NOTICE: Printer drivers are now deprecated (Issue #5270) - Kerberized printing to another CUPS server did not work correctly (Issue #5233) - Fixed printing to some IPP Everywhere printers (Issue #5238) - Fixed installation of filters (Issue #5247) - The scheduler now supports using temporary print queues for older IPP/1.1 print queues like those shared by CUPS 1.3 and earlier (Issue #5241) - Star Micronics printers need the "unidir" USB quirk rule (Issue #5251) - Documentation fixes (Issue #5252) - Fixed a compile issue when PAM is not available (Issue #5253) - Label printers supported by the rastertolabel driver don't support SNMP, so don't delay printing to test it (Issue #5256) - The scheduler could crash while adding an IPP Everywhere printer (Issue #5258) - The Lexmark Optra E310 printer needs the "no-reattach" USB quirk rule (Issue #5259) - Systemd did not restart cupsd when configuration changes were made that required a restart (Issue #5263) - The IPP Everywhere PPD generator did not include the `cupsJobPassword` keyword, when supported (Issue #5265) - Fixed an Avahi crash bug in the scheduler (Issue #5268) - Raw print queues are now deprecated (Issue #5269) - Fixed an RPM packaging problem (Issue #5276) - The IPP backend did not properly detect failed PDF prints (rdar://34055474) - TLS connections now properly timeout (rdar://34938533) - Temp files could not be created in some sandboxed applications (rdar://37789645) - The ipptool `--ippserver` option did not encode out-of-band attributes correctly. - Added public `cupsEncodeOption` API for encoding a single option as an IPP attribute. - Removed support for the `-D_PPD_DEPRECATED=""` developer cheat - the PPD API should no longer be used. - Removed support for `-D_IPP_PRIVATE_STRUCTURES=1` developer cheat - the IPP accessor functions should be used instead. Changes in CUPS v2.3b3 ---------------------- - More fixes for printing to old CUPS servers (Issue #5211) - The IPP Everywhere PPD generator did not support deep grayscale or 8-bit per component AdobeRGB (Issue #5227) - Additional changes for the scheduler to substitute default values for invalid job attributes when running in "relaxed conformance" mode (Issue #5229) - Localization changes (Issue #5232, rdar://37068158) - The `cupsCopyDestInfo` function did not work with all print queues (Issue #5235) Changes in CUPS v2.3b2 ---------------------- - Localization changes (Issue #5210) - Build fixes (Issue #5217) - IPP Everywhere PPDs were not localized to English (Issue #5205) - The `cupsGetDests` and `cupsEnumDests` functions no longer filter out local print services like IPP USB devices (Issue #5206) - The `cupsCopyDest` function now correctly copies the `is_default` value (Issue #5208) - Printing to old CUPS servers has been fixed (Issue #5211) - The `ppdInstallableConflict` tested too many constraints (Issue #5213) - All HTTP field values can now be longer than `HTTP_MAX_VALUE` bytes (Issue #5216) - Added a USB quirk rule for Canon MP280 series printers (Issue #5221) - The `cupsRasterWritePixels` function did not correctly swap bytes for some formats (Issue #5225) - Fixed an issue with mapping finishing options (rdar://34250727) - The `ppdLocalizeIPPReason` function incorrectly returned a localized version of "none" (rdar://36566269) - The scheduler did not add ".local" to the default DNS-SD host name when needed. Changes in CUPS v2.3b1 ---------------------- - CUPS is now provided under the Apache License, Version 2.0. - Documentation updates (Issue #4580, Issue #5177, Issue #5192) - The `cupsCopyDestConflicts` function now handles collection attribute ("media-col", "finishings-col", etc.) constraints (Issue #4096) - The `lpoptions` command incorrectly saved default options (Issue #4717) - The `lpstat` command now reports when new jobs are being held (Issue #4761) - The `ippfind` command now supports finding printers whose name starts with an underscore (Issue #4833) - The CUPS library now supports the latest HTTP Digest authentication specification including support for SHA-256 (Issue #4862) - The scheduler now supports the "printer-id" attribute (Issue #4868) - No longer support backslash, question mark, or quotes in printer names (Issue #4966) - The scheduler no longer logs pages as they are printed, instead just logging a total of the pages printed at job completion (Issue #4991) - Dropped RSS subscription management from the web interface (Issue #5012) - Bonjour printer sharing now uses the DNS-SD hostname (or ServerName value if none is defined) when registering shared printers on the network (Issue #5071) - The `ipptool` command now supports writing `ippserver` attributes files (Issue #5093) - The `lp` and `lpr` commands now provide better error messages when the default printer cannot be found (Issue #5096) - The `lpadmin` command now provides a better error message when an unsupported System V interface script is used (Issue #5111) - The scheduler did not write out dirty configuration and state files if there were open client connections (Issue #5118) - The `SSLOptions` directive now supports `MinTLS` and `MaxTLS` options to control the minimum and maximum TLS versions that will be allowed, respectively (Issue #5119) - Dropped hard-coded CGI scripting language support (Issue #5124) - The `cupsEnumDests` function did not include options from the lpoptions files (Issue #5144) - Fixed the `ippserver` sample code when threading is disabled or unavailable (Issue #5154) - Added label markup to checkbox and radio button controls in the web interface templates (Issue #5161) - Fixed group validation on OpenBSD (Issue #5166) - Improved IPP Everywhere media support, including a new `cupsAddDestMediaOptions` function (Issue #5167) - IPP Everywhere PPDs now include localizations of printer-specific media types, when available (Issue #5168) - The cups-driverd program incorrectly stopped scanning PPDs as soon as a loop was seen (Issue #5170) - IPP Everywhere PPDs now support IPP job presets (Issue #5179) - IPP Everywhere PPDs now support finishing templates (Issue #5180) - Fixed a journald support bug in the scheduler (Issue #5181) - Fixed PAM module detection and added support for the common PAM definitions (Issue #5185) - The scheduler now substitutes default values for invalid job attributes when running in "relaxed conformance" mode (Issue #5186) - The scheduler did not work with older versions of uClibc (Issue #5188) - The scheduler now generates a strings file for localizing PPD options (Issue #5194)