CHANGES.md

CHANGES - 2.3.1 - 2019-11-14

Changes in CUPS v2.3.1

• Documentation updates (Issue #5661, #5674, #5682)
• Fixed a crash bug in the web interface (Issue #5621)
• 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 --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)
• 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.

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)