Re: suidperl broken

["Erik P. Skaalerud" <erik@xxxxxxxxxxxx>]

As I got no response at all in dragonfly.bugs I thought I should forward 
this to kernel.

Erik

> Suidperl doesnt seem to work on DragonFly.
>
> DragonFly:
>
> [erik@dragon:~/public_html]$ perl -v
> This is perl, v5.6.1 built for i386-freebsd
>
> [erik@dragon:~]$ ls -la /usr/local/bin/suidperl
> -rws--x--x  2 root  wheel  706148 May 10 17:52 /usr/local/bin/suidperl
> [erik@dragon:~]$ ls -la /usr/local/bin/testsuid
> -rwsr-xr-x  1 root  wheel  271 May 10 20:52 /usr/local/bin/testsuid
> [erik@dragon:~]$ cat /usr/local/bin/testsuid
> #!/usr/bin/suidperl
>
> use strict;
> undef %ENV;
> $ENV{'PATH'} = '/sbin:/bin';
>
> print "real UID: $< \n";
> print "effective UID: $> \n";
>
> $< = $>; # set realuid to effective uid (root)
>
> print "Set real to effective uid\n";
> print "real UID: $< \n";
> print "effective UID: $> \n";
>
> [erik@dragon:~]$ testsuid
> Can't reswap uid and euid.
>
>
>
> FreeBSD (4.9):
> [erik@staid:~]$ perl -v
> This is perl, v5.6.1 built for i386-freebsd [erik@staid:~]$ ls -la 
> /usr/local/bin/suidperl-rws--x--x  2 root  wheel  705508 Dec 18 11:05 
> /usr/local/bin/suidperl[erik@staid:~]$ ls -la 
> /usr/local/bin/testsuid-rwsr-xr-x  1 root  wheel  271 May 10 21:04 
> /usr/local/bin/testsuid[erik@staid:~]$ cat 
> /usr/local/bin/testsuid#!/usr/bin/suidperluse strict;undef 
> %ENV;$ENV{'PATH'} = '/sbin:/bin';print "real UID: $< \n";print "effective 
> UID: $> \n";$< = $>; # set realuid to effective uid (root)print "Set real 
> to effective uid\n";print "real UID: $< \n";print "effective UID: $> 
> \n";[erik@staid:~]$ testsuidreal UID: 1000effective UID: 0Set real to 
> effective uidreal UID: 0effective UID: 0
>