[Bug 287615] Minor fix to quoting in jail.c

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 17 Jun 2025 22:23:08 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287615

            Bug ID: 287615
           Summary: Minor fix to quoting in jail.c
           Product: Base System
           Version: 14.3-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: freebsd-bugzilla@umpquanet.com

Created attachment 261352
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=261352&action=edit
jail.c: Simple patch to quote strings that contain pipe symbol

I'm writing a helper script that will allow me to inspect jail.conf files set
eval-able strings so my script can examine jail configuration variables.

The primary mechanism for this is "jail -e" however there is one quoting
deficiency in ./usr.sbin/jail/jail.c.  Strings containing a vertical bar or
pipe symbol are not quoted, such as:

ip4.addr=private|192.168.1.9/24

The attached patch corrects this behaviour.

Thank you for all your work on the project!

Regards,

Jim

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