CHANGES.md

CHANGES - OpenPrinting CUPS 2.4.2 - 2022-05-26

Changes in CUPS v2.4.3 (TBA)

• Added a title with device uri for found network printers (Issues #402, #393)
• Fixed --enable-libtool-unsupported (Issue #394)
• Fixed configuration on RISC-V machines (Issue #404)
• Fixed the device_uri invalid pointer for driverless printers with .local hostname (Issue #419)
• Fixed an OpenSSL crash bug (Issue #409)
• Fixed a potential SNMP OID value overflow issue (Issue #431)
• Use localhost when printing via printer application (Issue #353)
• Now localize HTTP responses using the Content-Language value (Issue #426)
• Raised file size limit for importing PPD via Web UI (Issue #433)

Changes in CUPS v2.4.2 (26th May 2022)

• Fixed certificate strings comparison for Local authorization (CVE-2022-26691)
• The cupsFileOpen function no longer opens files for append in read-write mode (Issue #291)
• The cupsd daemon removed processing temporary queue (Issue #364)
• Fixed delay in IPP backend if GNUTLS is used and endpoint doesn't confirm closing the connection (Issue #365)
• Fixed conditional jump based on uninitialized value in cups/ppd.c (Issue #329)
• Fixed CSS related issues in CUPS Web UI (Issue #344)
• Fixed copyright in CUPS Web UI trailer template (Issue #346)
• mDNS hostname in device uri is not resolved when installaling a permanent IPP Everywhere queue (Issues #340, #343)
• The lpstat command now reports when the scheduler is not running (Issue #352)
• Updated the man pages concerning the -h option (Issue #357)
• Re-added LibreSSL/OpenSSL support (Issue #362)
• Updated the Solaris smf service file (Issue #368)
• Fixed a regression in lpoptions option support (Issue #370)
• The scheduler now regenerates the PPD cache information after changing the "cupsd.conf" file (Issue #371)
• Updated the scheduler to set "auth-info-required" to "username,password" if a backend reports it needs authentication info but doesn't set a method for authentication (Issue #373)
• Updated the configure script to look for the OpenSSL library the old way if pkg-config is not available (Issue #375)
• Fixed the prototype for the httpWriteResponse function (Issue #380)
• Brought back minimal AIX support (Issue #389)
• cupsGetResponse did not always set the last error.
• Fixed a number of old references to the Apple CUPS web page.
• Restored the default/generic printer icon file for the web interface.
• Removed old stylesheet classes that are no longer used by the web interface.

Changes in CUPS v2.4.1 (27th January 2020)

• The default color mode now is now configurable and defaults to the printer's reported default mode (Issue #277)
• Configuration script now checks linking for -Wl,-pie flags (Issue #303)
• Fixed memory leaks - in testi18n (Issue #313), in cups_enum_dests() (Issue #317), in _cupsEncodeOption() and http_tls_upgrade() (Issue #322)
• Fixed missing bracket in de/index.html (Issue #299)
• Fixed typos in configuration scripts (Issues #304, #316)
• Removed remaining legacy code for RIP_MAX_CACHE environment variable (Issue #323)
• Removed deprecated directives from cupsctl and cups-files.conf (Issue #300)
• Removed purge-jobs legacy code from CGI scripts and templates (Issue #325)

Changes in CUPS v2.4.0 (29th November 2021)

• Added configure option --with-idle-exit-timeout (Issue #294)
• Added --with-systemd-timeoutstartsec configure option (Issue #298)
• DigestOptions now are applied for MD5 Digest authentication defined by RFC 2069 as well (Issue #287)
• Fixed compilation on Solaris (Issue #293)
• Fixed and improved German translations (Issue #296, Issue #297)

Changes in CUPS v2.4rc1 (12th November 2021)

• Added warning and debug messages when loading printers if the queue is raw or with driver (Issue #286)
• Compilation now uses -fstack-protector-strong if available (Issue #285)

Changes in CUPS v2.4b1 (27th October 2021)

• Added support for CUPS running in a Snapcraft snap.
• Added basic OAuth 2.0 client support (Issue #100)
• Added support for AirPrint and Mopria clients (Issue #105)
• Added configure support for specifying systemd dependencies in the CUPS service file (Issue #144)
• Added several features and improvements to ipptool (Issue #153)
• Added a JSON output mode for ipptool.
• The ipptool command now correctly reports an error when a test file cannot be found.
• CUPS library now uses thread safe getpwnam_r and getpwuid_r functions (Issue #274)
• Fixed Kerberos authentication for the web interface (Issue #19)
• The ZPL sample driver now supports more "standard" label sizes (Issue #70)
• Fixed reporting of printer instances when enumerating and when no options are set for the main instance (Issue #71)
• Reverted USB read limit enforcement change from CUPS 2.2.12 (Issue #72)
• The IPP backend did not return the correct status code when a job was canceled at the printer/server (Issue #74)
• The testlang unit test program now loops over all of the available locales by default (Issue #85)
• The cupsfilter command now shows error messages when options are used incorrectly (Issue #88)
• The PPD functions now treat boolean values as case-insensitive (Issue #106)
• Temporary queue names no longer end with an underscore (Issue #110)
• The USB backend now runs as root (Issue #121)
• Added pkg-config file for libcups (Issue #122)
• Fixed a PPD memory leak caused by emulator definitions (Issue #124)
• Fixed a DISPLAY bug in ipptool (Issue #139)
• The scheduler now includes the [Job N] prefix for job log messages, even when using syslog logging (Issue #154)
• Added support for locales using the GB18030 character set (Issue #159)
• httpReconnect2 did not reset the socket file descriptor when the TLS negotiation failed (Apple #5907)
• httpUpdate did not reset the socket file descriptor when the TLS negotiation failed (Apple #5915)
• The IPP backend now retries Validate-Job requests (Issue #132)
• Now show better error messages when a driver interface program fails to provide a PPD file (Issue #148)
• Added dark mode support to the CUPS web interface (Issue #152)
• Added a workaround for Solaris in httpAddrConnect2 (Issue #156)
• Fixed an interaction between --remote-admin and --remote-any for the cupsctl command (Issue #158)
• Now use a 60 second timeout for reading USB backchannel data (Issue #160)
• The USB backend now tries harder to find a serial number (Issue #170)
• Fixed @IF(name) handling in cupsd.conf (Apple #5918)
• Fixed documentation and added examples for CUPS' limited CGI support (Apple #5940)
• Fixed the lpc command prompt (Apple #5946)
• Now always pass "localhost" in the Host: header when talking over a domain socket or the loopback interface (Issue #185)
• Fixed a job history update issue in the scheduler (Issue #187)
• Fixed job-pages-per-set value for duplex print jobs.
• Fixed an edge case in ippReadIO to make sure that only complete attributes and values are retained on an error (Issue #195)
• Hardened ippReadIO to prevent invalid IPP messages from being propagated (Issue #195, Issue #196)
• The scheduler now supports the "everywhere" model directly (Issue #201)
• Fixed some IPP Everywhere option mapping problems (Issue #238)
• Fixed support for "job-hold-until" with the Restart-Job operation (Issue #250)
• Fixed the default color/grayscale presets for IPP Everywhere PPDs (Issue #262)
• Fixed support for the 'offline-report' state for all USB backends (Issue #264)
• Documentation fixes (Issue #92, Issue #163, Issue #177, Issue #184)
• Localization updates (Issue #123, Issue #129, Issue #134, Issue #146, Issue #164)
• USB quirk updates (Issue #192, Issue #270, Apple #5766, Apple #5838, Apple #5843, Apple #5867)
• Web interface updates (Issue #142, Issue #218)
• The ippeveprinter tool now automatically uses an available port.
• Fixed several Windows TLS and hashing issues.
• Deprecated cups-config (Issue #97)
• Deprecated Kerberos (AuthType Negotiate) authentication (Issue #98)
• Removed support for the (long deprecated and unused) FontPath, ListenBackLog, LPDConfigFile, KeepAliveTimeout, RIPCache, and SMBConfigFile directives in cupsd.conf and cups-files.conf.
• Stubbed out deprecated httpMD5 functions.
• Add test for undefined page ranges during printing.

CUPS v2.3.3op2 (February 1, 2021)

• Security: Fixed a buffer (read) overflow in the ippReadIO function (CVE-2020-10001)
• Clarified the documentation for the "Listen" directive (Issue #53)
• Fixed duplicate ColorModel entries for AirPrint printers (Issue 59)
• Fixed directory/permission defaults for Debian kfreebsd-based systems (Issue #60, Issue #61)
• Fixed crash bug in ppdOpen (Issue #64, Issue #78)
• Fixed regression in snprintf emulation function (Issue #67)
• The scheduler's systemd service file now waits for the nslcd service to start (Issue #69)
• The libusb-based USB backend now uses a simpler read timer implementation to avoid a regression in a previous change (Issue #72)
• The PPD caching code now only tracks the APPrinterIconPath value on macOS (Issue #73)
• Fixed segfault in help.cgi when searching in man pages (Issue #81)
• Root certificates were incorrectly stored in "~/.cups/ssl".

CUPS v2.3.3op1 (November 27, 2020)

• The automated test suite can now be activated using make test for consistency with other projects and CI environments - the old make check continues to work as well, and the previous test server behavior can be accessed by running make testserver.
• ippeveprinter now supports multiple icons and strings files.
• ippeveprinter now uses the system's FQDN with Avahi.
• ippeveprinter now supports Get-Printer-Attributes on "/".
• ippeveprinter now uses a deterministic "printer-uuid" value.
• ippeveprinter now uses system sounds on macOS for Identify-Printer.
• Updated ippfind to look for files in "~/Desktop" on Windows.
• Updated ippfind to honor SKIP-XXX directives with PAUSE.
• Updated IPP Everywhere support to work around printers that only advertise color raster support but really also support grayscale (Issue #1)
• ipptool now supports DNS-SD URIs like ipps://My%20Printer._ipps._tcp.local (Issue #5)
• The scheduler now allows root backends to have world read permissions but not world execute permissions (Issue #21)
• Failures to bind IPv6 listener sockets no longer cause errors if IPv6 is disabled on the host (Issue #25)
• The SNMP backend now supports the HP and Ricoh vendor MIBs (Issue #28)
• The scheduler no longer includes a timestamp in files it writes (Issue #29)
• The systemd service names are now "cups.service" and "cups-lpd.service" (Issue #30, Issue #31)
• The scheduler no longer adds the local hostname to the ServerAlias list (Issue #32)
• Added LogFileGroup directive in "cups-files.conf" to control the group owner of log files (Issue #34)
• Added --with-max-log-size configure option (Issue #35)
• Added --enable-sync-on-close configure option (Issue #37)
• Added --with-error-policy configure option (Issue #38)
• IPP Everywhere PPDs could have an "unknown" default InputSlot (Issue #44)
• The httpAddrListen function now uses a listen backlog of 128.
• Added USB quirks (Apple issue #5789, #5823, #5831)
• Fixed IPP Everywhere v1.1 conformance issues in ippeveprinter.
• Fixed DNS-SD name collision support in ippeveprinter.
• Fixed compiler and code analyzer warnings.
• Fixed TLS support on Windows.
• Fixed ippfind sub-type searches with Avahi.
• Fixed the default hostname used by ippeveprinter on macOS.
• Fixed resolution of local IPP-USB printers with Avahi.
• Fixed coverity issues (Issue #2)
• Fixed httpAddrConnect issues (Issue #3)
• Fixed web interface device URI issue (Issue #4)
• Fixed lp/lpr "printer/class not found" error reporting (Issue #6)
• Fixed xinetd support for LPD clients (Issue #7)
• Fixed libtool build issue (Issue #11)
• Fixed a memory leak in the scheduler (Issue #12)
• Fixed a potential integer overflow in the PPD hashing code (Issue #13)
• Fixed output-bin and print-quality handling issues (Issue #18)
• Fixed PPD options getting mapped to odd IPP values like "tray---4" (Issue #23)
• Fixed remote access to the cupsd.conf and log files (Issue #24)
• Fixed the automated test suite when running in certain build/CI environments (Issue #25)
• Fixed a logging regression caused by a previous change for Apple issue #5604 (Issue #25)
• Fixed fax phone number handling with GNOME (Issue #40)
• Fixed potential rounding error in rastertopwg filter (Issue #41)
• Fixed the "uri-security-supported" value from the scheduler (Issue #42)
• Fixed IPP backend crash bug with "printer-alert" values (Issue #43)
• Removed old Solaris inetconv(1m) reference in cups-lpd man page (Issue #46)
• Fixed default options that incorrectly use the "custom" prefix (Issue #48)
• Fixed a memory leak when resolving DNS-SD URIs (Issue #49)
• Fixed systemd status reporting by adopting the notify interface (Issue #51)
• Fixed crash in rastertopwg (Apple issue #5773)
• Fixed cupsManualCopies values in IPP Everywhere PPDs (Apple issue #5807)