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Re: [Help-bash] make function local
From: |
Greg Wooledge |
Subject: |
Re: [Help-bash] make function local |
Date: |
Mon, 13 Apr 2015 08:33:23 -0400 |
User-agent: |
Mutt/1.4.2.3i |
On Sat, Apr 11, 2015 at 01:27:53PM -0400, Chet Ramey wrote:
> On 4/10/15 11:09 AM, Greg Wooledge wrote:
> > - Fix the $"..." security hole (I tried and failed).
> > http://www.gnu.org/software/gettext/manual/html_node/bash.html
>
> Yeah, I didn't like the all-or-nothing choice the patch implemented. If
> command substitution is the problem, a better approach would have been to
> inhibit command substitution instead of every word expansion. That's just
> not easy to do at the point where locale transformation gets done -- it
> requires processing the translated string to insert some kind of quoting.
I'm skeptical about any substitutions being performed in a translated
string. While I don't have real-life experience writing localized
shell scripts, I would *think* the correct way to put variables in a
translated string is:
printf $"Hello, %s. Welcome to %s." "$LOGNAME" "$HOSTNAME"
As the script writer, I would want some guarantee that the translated
string won't undergo any substitutions at all (especially not command
substitutions, but even something like $1 in the translation, expanded to
whatever garbage is in the positional parameters, would make the output
appear wrong). But then I suppose I would also want some guarantee
that the translated string won't contain any extra % or \ characters
for printf to trip over. That may be outside of bash's scope.
It's a messy problem.
- Re: [Help-bash] make function local, Peng Yu, 2015/04/09
- Re: [Help-bash] make function local, Chet Ramey, 2015/04/10
- Re: [Help-bash] make function local, Eduardo A . Bustamante López, 2015/04/12
- Re: [Help-bash] make function local, Chet Ramey, 2015/04/13
- Re: [Help-bash] make function local, Chet Ramey, 2015/04/16
- Bash performance when declaring variables (was: Re: [Help-bash] make function local), Eduardo A . Bustamante López, 2015/04/16
- Re: Bash performance when declaring variables, Chet Ramey, 2015/04/17
- Re: Bash performance when declaring variables, Eduardo A . Bustamante López, 2015/04/17
- Re: [Help-bash] make function local, Chet Ramey, 2015/04/16
- Re: [Help-bash] make function local, Dan Douglas, 2015/04/16