/usr/share/doc/libpam-smbpass/examples/password-mature is in libpam-smbpass 2:3.6.3-2ubuntu2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 | #%PAM-1.0
# password-mature
#
# A sample PAM configuration for a 'mature' smbpasswd installation.
# private/smbpasswd is fully populated, and we consider it an error if
# the smbpasswd doesn't exist or doesn't match the Unix password.
auth requisite pam_nologin.so
auth required pam_unix.so
account required pam_unix.so
password requisite pam_cracklib.so retry=3
password requisite pam_unix.so shadow md5 use_authtok try_first_pass
password required pam_smbpass.so use_authtok use_first_pass
session required pam_unix.so
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