Re: Broken executable-in-var

On 3 August 2015 at 10:16, Bart van Strien <[email protected]> wrote:
> On 03/08/15 11:05, Thomas Leonard wrote:
>
> Do you have any strange security policies in place (SELinux, etc)?
>
>
> Nothing special, no.
>
> What happens if you run this file directly? (it should run, but
> complain "Environment variable 'zeroinstall_runenv_ZEROINSTALL_GPG'
> not set")
>
>
> At least I found my previous error again, in both zsh and bash:
>
> zsh: ./test.sh: bad interpreter:
> /home/bartbes/.cache/0install.net/implementations/sha256new_YE: no such file
> or directory
> bash: ./test.sh:
> /home/bartbes/.cache/0install.net/implementations/sha256new_YEPNC3CZ7CVC6ZJNS:
> bad interpreter: No such file or directory
> bash3: ./test.sh:
> /home/bartbes/.cache/0install.net/implementations/sha256new_YEPNC3CZ7CVC6ZJNS3:
> bad interpreter: No such file or directory
>
>
> And of course the full path exists. I'm tempted to say this would be in
> execve but then I'd expect the cutoff points to be equal, where they even
> vary for different versions of bash. That said, a simple wrapper executable
> that tries to run it with execve also gets a "No such file or directory"
> error.

What does "strace -e process ./ZEROINSTALL_GPG" show?

Can you run other things in the #! line? "#!/bin/sh" obvious works...
what makes it stop working? Length of path? File-system where the
target lives?


-- 
Dr Thomas Leonard        http://roscidus.com/blog/
GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA

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