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nixos/tests/postfix: add sasl authentication tests

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this was tricky to get set up correctly.  hopefully having it
documented in the tests will be helpful to future users (and help
ensure it keeps working for me).
This commit is contained in:
Matt McHenry 2025-09-06 11:22:42 -04:00
parent a771b27d21
commit 2b50f4e4d5
1 changed files with 61 additions and 0 deletions
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61
nixos/tests/postfix.nix
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@ -19,6 +19,19 @@ import ./make-test-python.nix {
certs.${domain}.key
certs.${domain}.cert
];
smtpd_sasl_auth_enable = "yes";
cyrus_sasl_config_path =
let
smtpdConf = pkgs.writeTextFile {
name = "smtpd.conf";
destination = "/etc/sasl2/smtpd.conf";
text = ''
pwcheck_method: saslauthd
mech_list: PLAIN LOGIN
'';
};
in
"${smtpdConf}/etc/sasl2";
};
submissionsOptions = {
smtpd_sasl_auth_enable = "yes";
@ -26,10 +39,17 @@ import ./make-test-python.nix {
milter_macro_daemon_name = "ORIGINATING";
};
};
services.saslauthd.enable = true;
security.pki.certificateFiles = [
certs.ca.cert
];
security.pam.services = {
# note: no 'd' on the end!
smtp = {
name = "smtp";
};
};
networking.extraHosts = ''
127.0.0.1 ${domain}
@ -72,11 +92,49 @@ import ./make-test-python.nix {
'Subject: Test SMTPS\n\nTest data.')
smtp.quit()
'';
auth = pkgs.writers.writePython3Bin "auth" { } ''
import smtplib
with smtplib.SMTP('${domain}') as smtp:
smtp.ehlo()
smtp.login("alice", "foobar")
smtp.quit()
'';
authStarttls = pkgs.writers.writePython3Bin "authStarttls" { } ''
import smtplib
import ssl
ctx = ssl.create_default_context()
with smtplib.SMTP('${domain}') as smtp:
smtp.ehlo()
smtp.starttls(context=ctx)
smtp.ehlo()
smtp.login("alice", "foobar")
smtp.quit()
'';
authSmtps = pkgs.writers.writePython3Bin "authSmtps" { } ''
import smtplib
import ssl
ctx = ssl.create_default_context()
with smtplib.SMTP_SSL('${domain}', context=ctx) as smtp:
smtp.ehlo()
smtp.login("alice", "foobar")
smtp.quit()
'';
in
[
sendTestMail
sendTestMailStarttls
sendTestMailSmtps
auth
authStarttls
authSmtps
];
};
@ -85,5 +143,8 @@ import ./make-test-python.nix {
machine.succeed("send-testmail")
machine.succeed("send-testmail-starttls")
machine.succeed("send-testmail-smtps")
machine.succeed("auth")
machine.succeed("authStarttls")
machine.succeed("authSmtps")
'';
}