[drupal-devel] login once for multiple sites

[Daniel Convissor]

Hi:

I think it would be a good idea to provide administrators who use one 
Drupal installation for multiple sites and share users and sessions across 
those sites (via $db_prefix) with a new option that would let users who 
log into one of the sites to be automatically logged into some or all of 
the other companion sites.

I'm envisioning this working by adjusting user_login() function in 
user.module.  Once a login is successful, have the function send out 
PHPSESSID cookies for the desired sites, each containing the same session 
id.

Your thoughts?

--Dan

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