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New purpose of 'lpadmin -i' is confusing #5111

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leoarnold opened this issue Sep 12, 2017 · 2 comments
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New purpose of 'lpadmin -i' is confusing #5111

leoarnold opened this issue Sep 12, 2017 · 2 comments
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@leoarnold
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CUPS V2.2b1 dropped support for SysV interface scripts. If one still tries to use such a script with CUPS in the traditional way, they now get the error message:

$ lpadmin -p Office -i sysVinterface.sh -v /dev/null
lpadmin: Unable to open PPD "sysVinterface.sh": Missing PPD-Adobe-4.x header on line 0.

or

$ lpadmin -p Office -i sysVinterface.sh -v /dev/null
lpadmin: Unable to open PPD "sysVinterface.sh": Missing asterisk in column 1 on line 1.
lpadmin: Bad PPD file.

This is rather confusing, because a shell script obviously is not the same as a PPD file. It would be more helpful if the error message would say that support of this feature was dropped. Having '-i' be the same as '-P' is superfluous and unintuitive.

@michaelrsweet michaelrsweet self-assigned this Sep 12, 2017
@michaelrsweet michaelrsweet modified the milestones: CUPS 2.2.x Updates, CUPS 2.3.x Release Sep 12, 2017
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Will see what we can do to clear up the error messages and documentation.

michaelrsweet pushed a commit that referenced this issue Nov 1, 2017
@michaelrsweet
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[master d0df9cd] Update lpadmin documentation and show a meaningful error message for interface scripts (Issue #5111)

michaelrsweet added a commit that referenced this issue Mar 7, 2018
- Fixed a compile issue when PAM is not available (Issue #5253)
- Documentation fixes (Issue #5252)
- Star Micronics printers need the "unidir" USB quirk rule (Issue #5251)
- 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)
- The `cupsRasterWritePixels` function did not correctly swap bytes for some formats (Issue #5225)
- Added a USB quirk rule for Canon MP280 series printers (Issue #5221)
- The `ppdInstallableConflict` tested too many constraints (Issue #5213)
- More fixes for printing to old CUPS servers (Issue #5211)
- The `cupsCopyDest` function now correctly copies the `is_default` value (Issue #5208)
- The scheduler did not work with older versions of uClibc (Issue #5188)
- The scheduler now substitutes default values for invalid job attributes when running in "relaxed conformance" mode (Issue #5186)
- Fixed PAM module detection and added support for the common PAM definitions (Issue #5185)
- Fixed a journald support bug in the scheduler (Issue #5181)
- The cups-driverd program incorrectly stopped scanning PPDs as soon as a loop was seen (Issue #5170)
- Fixed group validation on OpenBSD (Issue #5166)
- Fixed the `ippserver` sample code when threading is disabled or unavailable (Issue #5154)
- The `cupsEnumDests` function did not include options from the lpoptions files (Issue #5144)
- The `SSLOptions` directive now supports `MinTLS` and `MaxTLS` options to control the minimum and maximum TLS versions that will be allowed, respectively (Issue #5119)
- The scheduler did not write out dirty configuration and state files if there were open client connections (Issue #5118)
- The `lpadmin` command now provides a better error message when an unsupported System V interface script is used (Issue #5111)
- The `lp` and `lpr` commands now provide better error messages when the default printer cannot be found (Issue #5096)
- No longer support backslash, question mark, or quotes in printer names (Issue #4966)
- The CUPS library now supports the latest HTTP Digest authentication specification including support for SHA-256 (Issue #4862)
- The `lpstat` command now reports when new jobs are being held (Issue #4761)
- The `lpoptions` command incorrectly saved default options (Issue #4717)
- The `ppdLocalizeIPPReason` function incorrectly returned a localized version of "none" (rdar://36566269)
- TLS connections now properly timeout (rdar://34938533)
- The IPP backend did not properly detect failed PDF prints (rdar://34055474)
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