Date: Tue, 23 Mar 1999 14:46:23 -0600 From: Benjamin Gavin <gavinb@supranet.net> To: freebsd-stable@freebsd.org Subject: Username size limit suggestion Message-ID: <4.1.19990323143242.00b423a0@mail.supranet.net>
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Hi all,
I believe that we can all agree that there is never going to be an agreed
upon limit on the username size. I have just finished rebuilding my system
to support 32-character usernames (I think, have to finish testing it). I
have a suggestion and also a couple of questions. First the suggestion:
Suggestion:
I noticed that the adduser script has the 16 character limit hard-coded
into the file. I was thinking that it might be a good idea to make that a
configurable global variable or something of that sort (i.e. $UT_NAMESIZE,
ala. sys/params.h, at the top of the file.) That way those of us who want
longer names could easily change the variable and be done with it. I
understand that it is probably done this way to force people to know what
they are doing when they change it.
Questions:
1. Are there performance issues relating the the length of the username?
2. Are these (listed below) the only changes necessary to get the new
username length to be active:
a. Have full source tree
b. change src/sys/sys/params.h (#define UT_NAMESIZE) to reflect the
new length
c. change src/include/utmp.h (#define MAXLOGNAME (UT_NAMESIZE+1))
d. make world
c. cat /dev/null > /var/log/wtmp
d. cat /dev/null > /var/run/utmp
e. cat /dev/null > /var/log/lastlog
f. edit /usr/sbin/adduser (change 16 to whatever)
d. recompile ports and other programs that use wtmp,utmp and lastlog
Is that it?? I am going to be completing testing, but I am wondering
what gotchas are waiting for me :)...
Thanks,
Ben Gavin
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