[cs615asa] Assignment #4 Questions

[Sayre Blades]

Good questions,

The first time around I took the approach:
1. If there was an existing group with the same ID, I simply used that one.
 I did not validate group names.
2. I relied on useradd to tell me if there was a conflict with UID or
usernames and simply failed with no recourse if there was such a conflict.

Outside of Jan clarifying exactly what he wants in those cases, Im not sure
if there is a "right" approach (it really depends on how the script is
intended to be used).

Thats just my two cents though.

On Tue, Apr 20, 2010 at 7:48 PM, Teddy Reed <treed at stevens.edu> wrote:

> Hello Everyone,
>
> I'm running in to a bit if confusion. Is is necessary to preserve the UID
> and GID for each account?
>
> In class I asked what happened in the GID does not exist, and it was
> suggested to create the group (however if it was already created then don't
> bother, use the already existing group).
>
> Here's my though process:
>
> Given newUserName, newUID, newGID, newGroupName, gathered from the local
> system.
>
> On the remote system:
>
> 1) does a user with newUserName exist? (handle exception 'yes')
> Yes: (Answered in the man page for ec2-sync-users)
> 2) does a user with newUID exist? (handle exception 'yes')
>  Yes: Pick a different one or skip this user?
> 3) does the newGroupName exist? (handle exception 'no')
> No: check the newGID and decide then or add a group named {newGroupName}
> and update the value of newGID?
> 4) does the newGID exist? (handle exception 'no')
> No: (Answered in class, and above)
>
> So my two outstanding questions are:
>
> What to do if the UID is already assigned?
> What happens if the group name already exists and the GIDs (local and
> remote) do not match?
>
> Thanks a ton,
>
> --
> Theodore M. Reed V
>
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