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expected_lines = {
"account required pam_unix.so",
"account sufficient @@pam_krb5@@/lib/security/pam_krb5.so",
"auth [default=die success=done] @@pam_ccreds@@/lib/security/pam_ccreds.so action=validate use_first_pass",
"auth [default=ignore success=1 service_err=reset] @@pam_krb5@@/lib/security/pam_krb5.so use_first_pass",
"auth required pam_deny.so",
"auth sufficient @@pam_ccreds@@/lib/security/pam_ccreds.so action=store use_first_pass",
"auth sufficient pam_rootok.so",
"auth sufficient pam_unix.so likeauth try_first_pass",
"password sufficient @@pam_krb5@@/lib/security/pam_krb5.so use_first_pass",
"password sufficient pam_unix.so nullok yescrypt",
"session optional @@pam_krb5@@/lib/security/pam_krb5.so",
"session required pam_env.so conffile=/etc/pam/environment readenv=0",
"session required pam_unix.so",
}
actual_lines = set(machine.succeed("cat /etc/pam.d/chfn").splitlines())
stripped_lines = set([line.split("#")[0].rstrip() for line in actual_lines])
missing_lines = expected_lines - stripped_lines
extra_lines = stripped_lines - expected_lines
non_functional_lines = set([line for line in extra_lines if line == ""])
unexpected_functional_lines = extra_lines - non_functional_lines
with subtest("All expected lines are in the file"):
assert not missing_lines, f"Missing lines: {missing_lines}"
with subtest("All remaining lines are empty or comments"):
assert not unexpected_functional_lines, f"Unexpected lines: {unexpected_functional_lines}"
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