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escapeshellarg() sometimes causes warning to appear if null/empty value is passed in #1560

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jagmeetbhinder opened this issue Apr 21, 2018 · 5 comments
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escapeshellarg() sometimes causes warning to appear if null/empty value is passed in #1560

jagmeetbhinder opened this issue Apr 21, 2018 · 5 comments
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bug Undesired behaviour

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@jagmeetbhinder
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I am noticing below errors in the log file after upgrade.

2018/04/21 14:53:22 - CMDPHP PHP ERROR Backtrace: (CactiShutdownHandler)(/lib/functions.php: 4628 cacti_debug_backtrace)

2018/04/21 14:53:22 - ERROR PHP ERROR: escapeshellarg(): Input string contains NULL bytes in file: /var/www/html/lib/functions.php on line: 3482
@cigamit
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cigamit commented Apr 21, 2018

There should be more of a backtrace. Can you please upload the entirety of the backtrace?

@cigamit cigamit changed the title Upgrade From 1.1.36 to 1.1.38 Warning that escapeshellarg() is escaping a null Apr 21, 2018
cigamit added a commit that referenced this issue Apr 21, 2018
@cigamit
Resolve Issue #1560
ec5608e 
Warning that escapeshellarg() is escaping a null
@cigamit
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cigamit commented Apr 21, 2018

I have resolved, but please do upload the backtrace.

@cigamit cigamit added the bug Undesired behaviour label Apr 21, 2018
@jagmeetbhinder
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jagmeetbhinder commented Apr 22, 2018 •
edited

These are the only two messages. Let me know if you want me to increase the logging level?

2018/04/21 14:46:30 - CMDPHP PHP ERROR Backtrace: (CactiShutdownHandler)(/lib/functions.php: 4628 cacti_debug_backtrace)

2018/04/21 14:46:30 - ERROR PHP ERROR: escapeshellarg(): Input string contains NULL bytes in file: /var/www/html/lib/functions.php on line: 3482

@jagmeetbhinder
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Validated...! this is fixed. Thanks for quick look into this issue.

@cigamit
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cigamit commented Apr 22, 2018

No worries. Just going to close. Thanks!

@cigamit cigamit closed this as completed Apr 22, 2018
@netniV netniV changed the title Warning that escapeshellarg() is escaping a null escapeshellarg() sometimes causes warning to appear if null/empty value is passed in Dec 27, 2018
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@cigamit @jagmeetbhinder