I think a valid way to handle long names this would be to allow full Kerberos name after the AS keyword
CREATE USER shortname IDENTIFIED WITH Kerberos AS "full@principal/NAME" If "AS" is omitted, then we can assume the Kerberos name is the same as shortname? Serg, would this work? Wlad > -----Original Message----- > From: Sergei Golubchik [mailto:[email protected]] > Sent: Freitag, 21. Juni 2013 10:39 > To: QIU Shuang > Cc: Vladislav Vaintroub; [email protected] > Subject: Re: [Maria-developers] [GSoC] Kerberize MariaDB -- some unclear > point about the project > > Hi, QIU! > > On Jun 21, QIU Shuang wrote: > > Hi Wlad, > > > > After thinking it over again, the maximum login name length in > > MariaDB, which is only 16 characters by default the same as in MySQL. > > I find this https://mariadb.atlassian.net/browse/MDEV-4332 in JIRA. > > Will the long username be well supported in subsequent releases? > > As you can see, this MDEV-4332 is already marked as "Fixed", with the > "Fix Version/s: 5.5.31". > > So this is already supported in the 5.5.31 release. > > But note that - see the task description - you need to change system > tables manually to enjoy longer user names. > > > A valid GNU/Linux username is a 32 character string (see useradd(8) man > page). > > And a valid Kerberos principal name length is in between 1 and 256 > inclusively. (see > http://pic.dhe.ibm.com/infocenter/iseries/v6r1m0/index.jsp?topic=/cl/addkrbt k > t.htm, I didn't find an official document) > > If we put a whole valid Kerberos principal name, I think it may cause > > problem someday for the unmatched name length. > > Right. Currently (starting from 5.5.31) the code supports up to 512 > bytes long usernames. But practically the limit is 80 characters, then > we hit a max index length limit in MyISAM. > > Regards, > Sergei _______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp
