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CUPS 1.5 Documentation

Release Notes

CUPS 1.5.4 (July 25, 2012)

• Documentation updates (STR #4112, STR #4130, STR #4134)
• Fixes for libusb-based USB backend (STR #4128)
• The lpq command did not show the owner or title of jobs unless passed a username on the command-line (STR #4135)
• Localized empty strings contained the message catalog metadata (STR #4119)
• Fixed a crash in the libusb-based USB backend (STR #4099)
• The cups-lpd mini-daemon no longer handled jobs with multiple copies (STR #4118)
• Multiple libusb backend fixes (STR #4098, STR #4100)
• The IPP backend no longer tries to get the job status for printers that do not implement the required operation (STR #4083)
• Sending a document in an unsupported format to an IPP printer now automatically cancels the job (STR #4093)
• Fix some error reporting issues when printing from /dev/null and other unusual situations (STR #4015)
• The scheduler now sets the CUPS_MAX_MESSAGE environment variable for filters (STR #4074)
• Fixed a build issue when using older versions of autoconf (STR #4084)
• The IPP backend now treats the client-error-not-possible status code as a job history issue, allowing IPP printing to Windows to work (STR #4047)
• The IPP backend incorrectly included the document-format and compression attributes in Create-Job requests (STR #4086)
• The libusb-based USB backend did not work on non-Linux platforms (STR #4088)

CUPS 1.5.3 (May 15, 2012)

• httpReconnect() did not reset the read/write buffers (STR #4065)
• Compiling without threading support failed (STR #4060)
• Fixed compile problem with old versions of OpenSSL (STR #4036)
• The network backends did not check SNMP supply levels regularly (STR #4040)
• The online help always included the "help on help" text (STR #4042)
• Fixed a SSL handshake issue on OS X (STR #4045)
• The scheduler could crash if a PPD file contained an invalid paper size (STR #4049)
• The CUPS polling daemon did not reinitialize its connection to the remote server on errors in all cases (STR #4031)
• PostScript auto-configuration was slow and unreliable with some printers (STR #4028)
• Missing localizations caused empty output (STR #4033)
• The cups-driverd program could temporarily "forget" a PPD file if it was updated in place.
• The dnssd backend now prefers IPPS over IPP.
• The USB backend now uses and requires LIBUSB 1.0 or later (STR #3477)
• The LIBUSB-based USB backend now supports the back-channel (STR #2890)
• Changed how timeouts are implemented in the LPD backend (STR #4013)
• Added more supported color names for SNMP supplies (STR #3981)
• The default InputSlot setting was never used (STR #3957)
• POSIX ACLs are now set properly on certificate files (STR #3970)
• Supplies with commas in their names were not reported correctly (STR #4020)
• The cupsGetPPD3() function created a temporary file when one was not needed (STR #4018)
• The scheduler now ensures that job notifications contain a value for the notify-printer-uri attribute (STR #4014)
• The lp and lpr commands did not cancel jobs queued from stdin on an error (STR #4015)
• Fixed the IPP backend's handling of HTTP/1.0 compatibility (STR #3988)
• The IPP backend did not always setup username/password authentication for printers (STR #3985)
• The IPP backend no longer re-queues print jobs that are too large for the printer/server (STR #3977)
• The RPM spec file did not work (STR #4021, STR #4057)
• Encryption did not work when the server name ended with "." (STR #4011)
• The multi-purpose tray is now mapped to the IPP "by-pass-tray" (STR #4009)
• The correct media size was not always passed to IPP printers (STR #4001)
• Finishing options were not passed to IPP printers (STR #3995)
• Fixed iCloud-based Back to My Mac printing (STR #3996)

CUPS 1.5.2 (February 5, 2012)

• Reposted what should have been CUPS 1.5.1.

CUPS 1.5.1 (February 3, 2012)

• Documentation updates (STR #3885, STR #3886, STR #3946, STR #3969)
• Localization updates (STR #3840, STR #3989, STR #3997)
• Build fixes (STR #3956, STR #3999)
• The SNMP backend did not validate the device URIs reported by printers (STR #4004)
• cupsBackendReport() did not handle newlines in 1284 Device IDs (STR #4005)
• USB backend fixes for libusb (STR #3965, STR #3978)
• The DBUS notifier did not validate string parameters (STR #3984)
• Group quota ACLs did not work with Kerberos (STR #3972)
• The IPP backend did not retry when a printer responded with client-error-not-possible (STR #3963)
• PostScript PPDs with filters used the wrong command filter (STR #3973)
• The scheduler incorrectly used free() on a POSIX ACL value, which could cause a crash (STR #3970)
• PPD files using the MacStandard encoding did not work.
• The web interface did not work on some platforms (STR #3902)
• The lpstat command would crash when then "-u" option was used by a non-administrator (STR #3953)
• Japanese supply level reporting did not always work.
• The DBUS notifier could crash (STR #3947)
• Relaxed some of the page size checks in cupstestppd.
• The ipptool program now reports attributes that are repeated within the same attribute group.
• Updated the PWG raster support to match the current draft specification.
• Fixed some IPP conformance issues in the scheduler.
• Added ipptool support for repeating requests.
• Added IPP/2.2 conformance tests and greatly improved the IPP/1.1, IPP/2.0, and IPP/2.1 conformance testing.
• IPP messages containing mixed integer/rangeOfInteger values did not work (STR #3942)
• The ipptool program now provides additional diagnostics for badly- formatted responses (STR #3857)
• When possible, the IPP backend now stops sending job data early on a cancel.
• cupsSendRequest and cupsWriteRequestData did not properly read all HTTP headers, preventing authentication and encryption upgrades from working in all cases.
• The client.conf Server directive is no longer supported on Mac OS X 10.7 and later.
• The IPP backend sent the wrong margins in media-col.
• The scheduler did not save or restore large Kerberos credentials for jobs.
• The dnssd backend did not properly browse for secure IPP printers.
• httpAssembleURI* did not properly escape all special characters in the username/password field.
• The scheduler now logs config file errors to stderr (STR #3936)
• The configure script incorrectly used bundle-based localizations on Linux (STR #3938)
• The cups-driverd helper program did not cache .drv files properly, sometimes leading to a crash (STR #3921)
• CUPS did not build on stock Mac OS X installations.
• Encryption was broken with OpenSSL.
• ipptool's XML output used date/time values with timezone offsets, which are not supported by Mac OS X's NSDate class.
• Several programs did not support the cupsFilter2 keyword in PPD files.
• The IPP backend incorrectly reported spool-area-full states.
• cupsMarkOptions() did not protect against a bad PPD that was missing one or more standard Duplex options.
• The PostScript filter did not mirror N-up output properly.
• The ipptool program did not validate UTF-8 strings in XML output.
• Fixed supply level reporting for some printers.
• The scheduler no longer automatically logs debug messages for jobs that were held or canceled.
• The cupsSendRequest function did not flush remaining response data from a previous request, leading to apparent chunking issues.
• The scheduler did not report the correct version in the Server: header (STR #3903)
• The scheduler did not support 1284 device IDs reported by driver interface programs longer than 127 characters (STR #3871)
• The image filters did not support loading images larger than the RIPCache setting (STR #3901)
• "PAGE: total NNN" messages did not get logged properly (STR #3887)
• Updated the PWG Raster support to conform to the current draft of the PWG Raster Format specification.
• The PWG Raster filter did not always write the correct number of padding lines on the bottom of the page (STR #3904)
• When reporting a denial-of-service attack from the domain socket, the address reported does not always contain the correct path (STR #3888)
• Badly formed GIF files could cause the image filters to crash (STR #3914)
• Jobs canceled at the printer were retried by the IPP backend.
• "cupsfilter -u" deleted the input file instead of the PPD file.
• The scheduler did not compute the cost of PPD filters defined using the cupsFilter2 keyword properly.
• The scheduler did not correctly support the maxsize() attribute for PPD filters.

CUPS 1.5.0 (July 25, 2011)

• Documentation updates.
• Localization update (STR #3865)
• Needed to limit TLS to v1.0 on some versions of Mac OS X.
• The snmp backend did not work with some printers.

CUPS 1.5rc1 (June 14, 2011)

• Compile fixes (STR #3849, STR #3850)
• The scheduler didn't check for empty values for several configuration directives (STR #3861)
• ipptool didn't generate valid XML when a test was skipped.
• Added additional error checking to the 1284 device ID code (STR #3858)
• Fixed some compatibility issues migrating from the old usblp backend to the libusb backend (STR #3860)
• Fixed the wake-from-sleep printing behavior on Mac OS X.
• The scheduler incorrectly allowed jobs to be held from a terminating state.
• The cups-driverd program could crash when a PPD was renamed.
• The dnssd backend took too long to discover printers on large or busy networks with the new default timeout used by lpinfo and the web interface. This resulted in "lost" printers.

CUPS 1.5b2 (May 26, 2011)

• Documentation updates.
• Localization updates (STR #3845)
• Compiler warning cleanup.
• Fixed PIE support for Linux (STR #3846)
• Made httpSetTimeout API public and use it in the IPP backend to avoid timeout errors.
• The scheduler incorrectly set the "authenticated" printer-type bit for remote queues using authentication.

CUPS 1.5b1 (May 22, 2011)

• The CUPS library now supports per-connection HTTP timeouts and callbacks.
• The CUPS library now supports (limited) SSL/TLS X.509 certificate validation and revocation (STR #1616)
• Updated the PostScript filter to support IncludeFeature in more circumstances (STR #3417)
• The schedule did not correctly parse some IPv6 addresses and masks in the cupsd.conf file (STR #3533)
• Fixed a case-insensitive string comparison issue for locales that do not treat "I" and "i" as equivalent (STR #3800)
• The scheduler reported an incorrect job-printer-uri value when sharing was not enabled (STR #3639)
• The scheduler now allows the ServerAlias directive to contain multiple hostnames separated by spaces or commas (STR #3813)
• The scheduler now sets the process group for child processes and manages the group (STR #2829)
• Fixed some minor issues discovered by a Coverity scan (STR #3838)
• The scheduler now more carefully creates and removes configuration, cache, and state files (STR #3715)
• The lpadmin command now allows default option values to be deleted (STR #2959)
• The lpadmin command now allows the cupsIPPSupplies and cupsSNMPSupplies keywords to be set in a PPD file (STR #3825)
• Moving a held job no longer releases it (STR #3839)
• Restored support for GNU TLS and OpenSSL with threading enabled (STR #3605)
• Fixed a confusing error message from cups-polld (STR #3806)
• Increased the default RIPCache value to 128MB (STR #3535)
• MIME errors are now routed to the error_log file (STR #2410)
• Updated PDF filter to support new Ghostscript ps2write device (STR #3766)
• Updated PDF filter to support new Poppler option to preserve page sizes in PDF files when the user has not selected a particular media size (STR #3689)
• Added new PWG Raster filter for IPP Everywhere printer support.
• Added job-uuid, printer-uuid, and subscription-uuid attributes.
• Added support for the cupsSingleFile PPD keyword.
• Dropped support for the printer-state-history attribute (STR #3654)
• Added support for a new cupsIPPSupplies keyword in PPD files to allow drivers to disable IPP supply level reporting.
• Added support for a new cupsFilter2 keyword in PPD files to allow for the propagation of the actual MIME media type produced by a filter.
• The scheduler did not always get the correct Kerberos username when authenticating (STR #3670)
• Added new cupsRasterOpenIO function and CUPS_RASTER_WRITE_PWG to the CUPS imaging library to support printing to IPP Everywhere raster printers.
• The scheduler now provides default values for the pages-per-minute and pages-per-minute-color attributes for PPD files that lack a Throughput keyword.
• Email notifications did not work on Mac OS X.
• The cupstestppd program now shows an error for files missing a CloseGroup keyword (STR #3668)
• Name resolution errors no longer cause queues to stop (STR #3719, STR #3753)
• Added a new cups-exec helper program that applies security profiles to filters, port monitors, backends, CGI programs, and mini-daemons.
• The web interface can now be disabled using the WebInterface directive in cupsd.conf (STR #2625)
• The scheduler now provides privacy controls for jobs and subscriptions (STR #2969)
• Added new cupsArrayNew3 API which offers memory management of array elements.
• Added several new color spaces to the CUPS raster format (STR #3419)
• The Validate-Job operation now uses the same policy as Print-Job by default.
• CUPS now uses iconv to implement all of its character encoding support (STR #3097)
• The scheduler now implements the Cancel-Jobs, Cancel-My-Jobs, and Close-Job operations along with the job-ids operation attribute from PWG 5100.11.
• The main CUPS header (<cups/cups.h>) no longer includes the PPD header (<cups/ppd.h>).
• The scheduler and CUPS API now support the print-quality job template attribute.
• The scheduler no longer supports the old Mac OS X Server quota plugin.
• The scheduler now allows writing to /Users/Shared from print filters on Mac OS X.
• CUPS no longer supports the old ~/.cupsrc or ~/.lpoptions files from CUPS 1.1.x. The ~/.cups/client.conf and ~/.cups/lpoptions files that were introduced in CUPS 1.2 must now be used.
• The ipptest tool is now a first-class user program and has several improvements along with new documentation (STR #3484)
• The cupstestppd tool now warns about non-unique filenames and provides a way to ignore all filename warnings.
• Dropped support for the recoverable: and recovered: message prefixes.
• The scheduler now requires that filters and backends have group write permissions disabled.
• The PPD compiler now checks for overlapping filenames when writing PPD files.
• The HP-GL/2 filter is no longer included with CUPS (STR #3322)
• The SCSI backend is no longer included with CUPS (STR #3500)