checkpw.c crypt patch
David van Geest
davidv at spindance.com
Wed Jul 22 14:07:19 EDT 2009
CC'ing list for posterity...
Dan White wrote:
> David van Geest wrote:
>>> I personally haven't used "saslauthd -> PAM -> pam:mysql" before, so
>>> I can't
>>> give you any first hand experience. Maybe someone else can share their
>>> knowledge on this.
>>> p at rick
>> Digging into this more, seems like using a salt isn't even possible.
>> Looking at the pam_mysql options on this page
>> I don't see any way to add a salt from the DB into the crypt()
>> function. However, if somebody knows more about this, I'm all ears.
> I also have not used mysql in this type of environment, but I think
> you should be able to accomplish what you want by doing saslauthd ->
> PAM -> NSS (pam_unix) -> NSS-MySQL
> The nss library should have the knowledge of how to find the salt in
> the first two bytes of the crypt'd password.
> I use an ldap nss module in a similar fashion, and my
> /etc/nsswitch.conf looks like:
> passwd: compat ldap
> group: compat ldap
> shadow: compat ldap
> and in my /etc/pam.d/imap:
> auth required pam_unix.so nullok_secure
> and my saslauthd uses PAM for authentication.
> Then you should be able to insert any password into MySQL that would
> be valid for your /etc/shadow file.
> - Dan
Thanks Dan, after looking at it some more I think we're going to go a
different route (see upcoming list post...)
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