| Commit message (Collapse) | Author | Age | Files | Lines |
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Remove the runuser applet, leaving only drop. Move drop from
util-linux to miscutils.
A command of the form 'drop -c command' causes the BusyBox shell
to be used, just like 'drop' without any arguments. A simple
OpenSSH configuration with 'drop.exe' as DefaultShell and no
DefaultShellArguments now works both for interactive login and
to run a command. This is useful for older versions of OpenSSH
which don't support DefaultShellArguments.
Saves 208-232 bytes.
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Make quote_arg() always return an allocated string so we can free
it unconditionally.
Always use argv[1] as the first part of the command string.
Saves 48 bytes.
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The 'drop' alias for 'runuser' relaxes a number of constraints
that were introduced for compatibility:
- It works even if the current process doesn't have elevated
privileges.
- It isn't necessary to specify the name of the user.
- Any command can be invoked, not just the BusyBox shell.
- If the command doesn't specify a path 'drop' will first look for
a BusyBox applet then search PATH.
Adds 320-336 when built along with runuser.
(GitHub issue #240)
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Add a cut down, Windows-specific implementation of `runuser` from
util-linux.
This allows elevated privileges to be dropped when running in an
SSH session. It also works when using `su` or starting busybox-w32
'as administrator'.
There are complications:
- The method used to drop privileges leaves the access token in the
TokenIsElevated state. Detecting this is likely to be fragile.
- The unprivileged shell is started by CreateProcessAsUserA(). In
older versions of Windows this has to be loaded dynamically.
Adds about 900 bytes.
(GitHub issue #240)
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