protecting against rm -rf / is now POSIXLY_CORRECT
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Authored by bapt on Nov 6 2015, 8:07 AM.

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imp
des

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rS290634: MFC r290480
rS290480: Protecting against rm -rf / is now POSIXLY_CORRECT per posix 1003.1

Summary

Per POSIX 1003.1, 2013:

if an operand resolves to the root directory, rm shall write a diagnostic
message to standard error and do nothing more with such operands.

http://pubs.opengroup.org/onlinepubs/9699919799/utilities/rm.html

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rS FreeBSD src repository - subversion

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Buildable 1047
Build 1050: arc lint + arc unit

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bapt updated this revision to Diff 9980.Nov 6 2015, 8:07 AM

bapt retitled this revision from to protecting against rm -rf / is now POSIXLY_CORRECT.

bapt updated this object.

bapt edited the test plan for this revision. (Show Details)

bapt added a reviewer: des.

Herald added a subscriber: imp. · View Herald TranscriptNov 6 2015, 8:07 AM

bapt updated this object.Nov 6 2015, 8:08 AM

You need to update the man page to say this is expected to comply with the 2013 version in the standards section.

I'm a little sad to see POSIXLY_CORRECT go, but I would have been sadder if we had the off-color POSIX_ME_HARDER and it was going...

This revision is now accepted and ready to land.Nov 6 2015, 4:37 PM

Closed by commit rS290480: Protecting against rm -rf / is now POSIXLY_CORRECT per posix 1003.1 (authored by bapt). · Explain WhyNov 7 2015, 2:18 AM

This revision was automatically updated to reflect the committed changes.

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bin/

rm/

rm.c

3 lines

Diff 9980

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protecting against rm -rf / is now POSIXLY_CORRECTClosedPublicActions