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Fix the -s and -i flags and add support for the "implied_shell"

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option.  If the user does not specify a command, sudo will now pass
in the path to the user's shell and set impied_shell=true.  The
plugin can them either check the command normally or return -2 to
cause sudo to print a usage message and exit.
This commit is contained in:
Todd C. Miller
2010-03-21 08:54:06 -04:00
parent 2e27226a0d
commit 6b180d24da
8 changed files with 284 additions and 190 deletions
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10
doc/sudo_plugin.pod
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@@ -180,6 +180,16 @@ the user wishes to preserve the environment.
Set to true if the user specified the C<-i> flag, indicating that
the user wishes to run a login shell.
=item implied_shell=bool
If the user does not specify a program on the command line, B<sudo>
will pass the plugin the path to the user's shell and set
I<implied_shell> to true. This allows B<sudo> with no arguments
to be used similarly to L<su(1)>. If the plugin does not to support
this usage, it may return a value of -2 from the C<check_policy>
function, which will cause B<sudo> to print a usage message and
exit.
=item preserve_groups=bool
Set to true if the user specified the C<-P> flag, indicating that