| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, The Hermit Hacker <scrappy(at)hub(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: [HACKERS] TODO list updated |
| Date: | 2000-01-13 17:22:23 |
| Message-ID: | 200001131722.MAA02514@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >> You can't securely do
> >> echo $PASSWORD | backend
> >> or
> >> echo $PASSWORD > allegedly-secure-temp-file
>
> > This is secure. echo is a shell builtin, and does not invoke a separate
> > process with arguments.
>
> echo is a builtin in ksh and derivatives, but I don't think it's safe
> to assume it is a builtin everywhere...
I believe it is safe. csh and sh have it built in. Does anyone know of
a shell that does not have echo builtin? How do you tell? Not sure.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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