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[screen-devel] [bug #28448] screen infloops/hangs when running it with u
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From: |
Axel Beckert |
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Subject: |
[screen-devel] [bug #28448] screen infloops/hangs when running it with username "none" |
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Date: |
Thu, 04 Jun 2015 08:45:46 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 conkeror/1.0pre1 (Debian-1.0~~pre-1+git141025-1) |
Follow-up Comment #2, bug #28448 (project screen):
>From acl.c:
/*
* Add a new user. His password may be NULL or "" if none. His name must not
* be "none", as this represents the NULL-pointer when dealing with groups.
* He has default rights, determined by umask.
*/
Is this "none" a POSIX thing or is it a screen-specific reserved word?
I see "none" also being used in other places as keyword, too. Especially this
code from process.c looks scary to me:
if (!strcmp(user->u_password, "none"))
{
if (n)
OutputMsg(0, "Password checking disabled");
free(user->u_password);
user->u_password = NullStr;
}
Does that mean that screen handles any user (or screen lock) whose password is
"none" different?
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