Afternoon,
A few months ago I raised a bug against the "chown" applet
https://bugs.busybox.net/show_bug.cgi?id=16039 as I was hitting a problem with
users with a "." in their username.
In uidgid_get.c there is a parse_chown_usergroup_or_die() function which
continues to implement a very old BSD(?) notation of user.group as well as
user:group -- the code assumes that the first "." is a separater.
I don't know what else calls it but, for the chown applet, the implementation
precludes support of users with "."s in (such as "test.test") when invoked with
"chown test.test file":
# chown test.test /tmp/test
chown: unknown user/group test:test
https://github.com/mirror/busybox/blame/master/libpwdgrp/uidgid_get.c#L96
There is no reference to this interpretation in the code comment of the usage
string:
Usage: chown [-RhLHPcvf]... USER[:[GRP]] FILE...
Given that this notation appears to have been deprecated back in 2001, is now
the time to remove this?
There's a potential patch attached to the bug report.
--
Matthew
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