On Tue, Jun 8, 2021 at 10:51 AM Tom Hughes <tom@xxxxxxxxxx> wrote: > > On 08/06/2021 14:51, Stephen Gallagher wrote: > > > I was thinking about suggesting a similar PAM module to convert > > existing hashes, but I suspect that we'd be coming up against some > > issues with security policy and separation of actions. Right now, I > > expect that SELinux permits PAM processes to have read-only access to > > /etc/shadow, but such a change would necessitate read/write access, > > which is riskier. It's also why PAM has separate activities for > > authentication, authorization and password-change. > > Surely it has to allow write as well because any authentication can > already prompt for a password change if the password is expired? > It's been a while, but I *think* I remember that PAM sends back an "expired password" message and the client application (eg. `login`) then calls the pam_chpass() stack. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
