[Bug 168158] [zfs] incorrect parsing of sharenfs options in zfs (fsshare.c)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=168158

eborisch+FreeBSD at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |eborisch+FreeBSD at gmail.com

--- Comment #3 from eborisch+FreeBSD at gmail.com ---
Created attachment 158168
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=158168&action=edit
Patch to support hyphenated host names in sharenfs zfs property.

Simple patch that only ignores leading hyphens in options.

With this change:

    '-ro,a-server -alldirs' -> '-ro a-server -alldirs'

instead of (current behavior):

    '-ro,a-server -alldirs' -> '-ro a server -alldirs'

Changed by removing '-' from strsep() call, and handling (skipping) hyphen if
first character immediately after strsep() call.

All test cases listed immediately prior to the code still work; I'm not aware
of any supported forms that are broken by this change.

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