Modify PAM to allow SSH key based logins with locked passwords #835
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Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de> Make changes portable Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
schurzi
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schurzi
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rndmh3ro
approved these changes
Dec 23, 2024
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Add PAM option to skip password expiry checks when other auth mechanisms are used. Also added some tests to verify that plain password logins till trigger the warnings and blocks from pasword expiry.
This solutions works for all supported Linux distributions and should not genereate problems. IT will only work thou when our users also apply our suggestion for PAM configuration.
If everything is left to defaults the configuration will work with our roles and solve the standing problem of user accounts being locked out while still having a valid SSH key.
One minor open problem:
For Suse we directly modify PAM configuration, this is theoretically not supported and might be overwritten by
pam-configif the user updates settings.